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Sanyo 85464359982001 Air Conditioner User Manual

1. 1 Main tubing length LM LA LB x 262 ft 2 Main distribution tubes LC LG are selected according to the capacity after the distribution joint 3 The outdoor connection main tubing 2B portion is determined by the total capacity of the outdoor units that are connected to the tube ends 4 Sizes of indoor unit connection tubing 1 040 are determined by the connection tubing sizes on the indoor units R L1 3 I Xi L5 L2 Balance tubing L3 1 4 H1 Explanation of symbols 038 039 d For 1T gi TENES LE extension Distribution joint cc APR purchased separately For R410A distribution joint I extension 2 APR CHP6BOBA for outdoor unit ph Ball valve field supply ae LG APR CHP1350BA for outdoor unit m SUC t APR P160BA for indoor unit T joint field supply APR P680BA for indoor unit 02 i i s Solidly welded shut LF Hg Y Y APR P1350BA for indoor unit pinch weld LA Note Do not use commercially available T joints for the liquid tubing ees and CS parts Be sure to use special R410A distribution joints APR purchased separately for outdoor unit connections and tubing branches Table 1 8 Ranges that Apply to Refrigerant Tubing Lengths and to Differences in Installation Heights
2. settings No of indoor units System address 10 units setting system 1 setting oon S002 S003 Z T S005 i d de ON QN No 2 sub unit No 3 Sub unit 4 A Q settings settings 1 2 3 OFF No of 5005 oh Unit S007 Unit b S007 outdoor ON n Unit number number ON ON number ON n units 3 units Bg 3 setting BG T setting afd de setting ll Q setting 23 loFF Unit No 1 ote Unit No 2 28 Unit No 3 1 2 ofr Leave the socket that is used to short circuit m the terminal plug ni Outdoor Unit CN003 pug No 3 Outdoor main sub Outdoor main sub Sub control wiring control wiring X Inter unit control wirin Y M Indoor Unit 1 1 1 2 1 3 1 10 t n Remote controller Remote controller cross over wiring Case 1 Fig 8 5 1 Automatic Address Setting from the Outdoor Unit 1 To set the number of outdoor units on the outdoor main unit control PCB set the No of outdoor units DIP switch S006 to ON T TIE 8 units and set the unit No DIP switch S007 to hi g Un No 1 c main outdoor unit V 1 2 3 OFF T 2 3 ON On the No 2 sub unit control PCB set the unit No switch S007 to E g unit No 2 1 2 3 ON On the No 3 sub unit control PCB set the unit No switch S007 to E H g
3. Item Mark Contents Length ft Actual length lt 492 L1 Max tubing length E Equivalent length lt 574 Difference between max length and min lt 131 AL L2 L4 length from the No 1 distribution joint FE dede tubing LM Max length of main tubing at max diameter lt 262 3 3 91 12 040 Max length of each distribution tube lt 98 L1 01 92 939 Total max tubing length including length of lt 984 QA LE LF LG_ each distribution tube only liquid tubing L5 Distance between outdoor units lt 32 H1 When outdoor unit is installed higher than indoor unit lt 164 Allowable elevation When outdoor unit is installed lower than indoor unit lt 131 difference H2 Max difference between indoor units lt 49 H3 Max difference between outdoor units lt 13 Allowable length of L3 T joint tubing field supply Max tubing length between lt 66 joint tubing the first T joint and solidly welded shut end point ud L Length H Height 1 The outdoor connection main tubing 2B portion is determined by the total capacity of the outdoor units that are connected to the tube ends 2 If the longest tubing length L1 exceeds 295 ft equivalent length increase the sizes of the main tubes LM by 1 rank for gas tubes and liquid tubes Use a field supply reducer Select the tube size from the table of main tube sizes Table 1 9 on the following page LA table and from the tabl
4. HH Bead Fig 3 39 Packing supplied PVC adhesive Drain insulator supplied Fig 3 40 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 34 F N sss Do not install an air bleeder as this may cause water to spray from the drain pipe outlet Fig 3 41 In cases where it is necessary to raise the height of the drain piping the drain piping can be raised to a maximum height of 33 15 32 above the bottom Fig 3 41 surface of the ceiling Under no conditions attempt to raise it higher than 33 15 32 above the bottom surface of the ceiling Doing so will result in water pe X Air bleed valve 11 13 16 in or less leakage Fig 3 42 1 Do not use natural drainage 0 FW ae Do not install the pipe with an upward gradient from the connection port This will cause the drain water Length of supplied drain hose 9 27 32 in to flow backward and leak when the unit is not Fig 3 42 operating Fig 3 43 Do not apply force to the piping on the unit side when connecting the drain pipe The pipe should not be 5 idetilieiape allowed to hang unsupported from its connection to the unit Fasten the pipe to a wall frame or other support as close to the unit as possible Fig 3 44 Provide insulation for any pipes that are run indoors Fig 3 43 3 11 Checking the Drainage After wiring and drain piping are completed use the al following proced
5. Setting a Air shield material for use with 3 direction discharge Air shield material for use when a discharge duct is connected b Air shield material for use with 2 direction discharge Setting a Go to 2 Use field supply air shield material Setting b Go to 3 2 Setting a Indoor unit control PCB Open the cover of the electrical component box PCB model No CR SXRP56B B Short the short circuit pin TP3 2P yellow on the F a indoor unit control PCB 3 Setting b Open the cover of the electrical component box Short the short circuit pin TP6 2P white on the indoor unit control PCB 2p UTER tt 302 FAN TAP s de gg TP6 TP3 TP1 Fig 3 28 30 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 31 F E 1 Way Air Discharge Semi Concealed Type A Type 29 59 64 Panel outer dimensions Te SR i 28 47 64 Ceiling opening dimension e DIEM 95 uspending thelhdobr Uni 1 27 64 25 63 64 Suspension bolt pitch 1 27 64 S 1 Follow the diagrams to make th
6. 7 Request that the customer be present for the trial run Explain the contents of the instruction manual then have Balance tube the customer actually operate the system Liquid tube Gas tube 8 Be sure to give the instruction manual and warranty certificate to the customer Fig 8 2 9 When replacing the control PCB be sure to make all the same settings on the new PCB as were in use before replacement The existing EEP ROM is not changed and is connected to the new control PCB 70 07 007 W 2WAY II NA 1 23 07 6 09 8 2 Test Run Procedure PM Page 71 Items to Check Before the Test Run 2 Outdoor unit control PCB gt Unit No setting switch S007 lt Outdoor unit control PCB gt Unit No setting switch S006 lt Outdoor unit control PCB gt Unit No setting switch S004 and S005 Check the link wiring lt Outdoor unit control PCB gt Unit No setting switch S002 and S003 Recheck the items to check before the test run Have the outdoor sub units been connected 4 Set the unit address Y Set the No of outdoor units t Y Setthe No of indoor units 1 The unit with the unit No set to 1 is the main unit All other units are sub units NO Are the inter unit control wires CASE 1 1 Turn the remote power switch on at least 5 hours before the test in ord
7. The minimum space for installation and service is shown in BG GM Fig 3 61 and Table 3 3 uu It is recommended that space is provided 17 23 32 x 17 23 32 in min 25 19 32 for checking and servicing the electrical system Air outlet duct flange Fig 3 62 and Table 3 4 show the detailed dimensions of the indoor Unit in unit Fig 3 61 Table 3 3 Unit in mm Type 7 12 18 24 36 A Length 30 23 32 780 42 17 32 1 080 61 13 32 1 560 Number of duct flanges 2 3 4 Table 3 4 Unit in Dimension No of holes Type A B C D E F G H l J K L M 7 12 18 26 1 16 ibe 27 9 16 30 23 32 11 13 32 10 5 16 26 25 32 28 5 32 7 3 32 1323 8 8 12 35 7 16 9 21 32 24 37 7 8 7 3 82 x 5 39 3 8 42 17 32 11 13 32 10 23 32 38 19 32 39 31 32 5 1 8 9 21 32 x 1 9 27 32 12 16 54 11 32 19 9 32 36 56 25 32 91 16 x 6 58 9 32 61 13 32 13 3 16 12 7 32 57 15 32 58 27 32 5 1 8 9 21 32 x 2 9 7 16 16 18 Jy Refrigerant tubing joint liquid tube r4 A 4 Q Refrigerant tubing joint gas tube SG Sg S L o1 4 T Upper drain port O D 1 1 4 in eL yg Foe UL 4 Bottom drain port O D 1 1 32 in i P z z z Suspension lug S S l J L K i J i I Power supply outlet 2 01 3 16 hole a d 34 A O D nl Fresh air intake port 95 29 32 hole H Duct suspension bolt pitch Flange for the flexible air outlet duct 07 7 8 hole 5 3 IL G Ceiling opening dimension 9 Tube cover 2 aly 4 015 3
8. eo Lo 07 007 W 2WAY II NA 1 23 07 Examples of the No of indoor units settings S005 S004 6 09 PM Page 73 No of indoor units Indoor unit setting S005 3P DIP switch blue 10 20 30 Indoor unit setting S004 Rotary switch red ON ON 7 1 unit factory setting ALOFF RE 2 RE Set to 1 1 2 3 OFF ON ON 7 11 units 1 ON VEU KX Set to 1 1 2 OFF ON 31 ON 7 21 units 20N y P i n RE Set to 1 1 2 OFF ON ON 7 31 units 3oON MEM RE Set to 1 123 OFF ON ON z 40 units 1 amp 30N A QA en Set to 0 12 3j OFF Examples of refrigerant circuit R C address settings required when link wiring is used S003 S002 System address 5003 System address S002 system address NO 2P DIP switch blue Rotary switch ach 102 System 1 factory setting Both OFF l 2 RE Set to 1 OFF oT ON 2 System 11 10N Bg RE Set to 1 12 OFF ON ON 7 System 21 20N i E 2 RE Set to 1 1 2 OFF ION ON 0 ia E System 30 1 amp 20ON nin oo Set to 0 Examples of the No of outdoor units settings S006 No of outdoor units Outdoor unit setting S006 3P DIP switch blue
9. Use sufficient care in handling the tubing Seal the tubing ends with caps or tape to prevent dirt moisture or other foreign substances from entering These substances can result in system malfunction Unit in mm Material O Copper t bs Outer diameter 1 4 6 35 3 8 9 52 1 2 12 7 5 8 15 88 3 4 19 05 Wall thickness 1 32 0 8 1 32 0 8 1 32 0 8 5 128 1 0 over 5 128 1 0 Unit in mm Material 1 2 H H opns db Outer diameter 7 8 22 22 1 25 4 1 1 8 28 58 1 1 4 31 75 1 1 2 38 1 1 5 8 41 28 Wall thickness 5 128 1 0 5 128 1 0 5 128 1 0 3 64 1 1 over 3 64 1 15 over 3 64 1 20 1 2 Prevent impurities including water dust and oxide from entering the tubing Impurities can cause R410A refriger ant deterioration and compressor defects Due to the features of the refrigerant and refrigerating machine oil the prevention of water and other impurities becomes more important than ever 2 Be sure to recharge the refrigerant only in liquid form 2 1 Since R410A is a non azeotrope recharging the refrigerant in gas form can lower performance and cause defects in the unit 2 2 Since refrigerant composition changes and performance decreases when gas leaks collect the remaining refriger ant and recharge the required total amount of new refrigerant after fixing the leak 3 Different tools required 3 1 Tool specifications have been changed du
10. packaging that was supplied with the unit to Ped dmendos TA determine the positioning of the unit on the ceiling Ceiling side surface If the positions of the ceiling surface and Fig 3 13 unit do not match air leakage water leakage flap operation failure or other problems may result Never place the panel face down Either hang it vertically or place it on top of a projecting object Placing it face down will damage the surface Do not touch the flap or apply force to it This may cause flap malfunction Remove the air intake grille and air filter from the ceiling panel Figs 3 16 3 17 and 3 18 a Remove the 2 screws on the latch of the air intake grille Fig 3 16 b Slide the air intake grille catches in the direction shown by the arrows 1 to open the grille Fig 3 17 c With the air intake grille opened remove the grille Fig 3 15 hinge from the ceiling panel by sliding it in the direc tion shown by the arrow 2 Fig 3 18 Air intake grille Ceiling panel Removing the corner cover a Slide the corner cover to the direction shown by the arrow 1 to remove the corner cover Fig 3 18 ES Air intake grille hinge NY Fig 3 16 Fig 3 17 pur Ceiling panel SS Corner cover RE Corner cover 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 28 3 6 2 Installing the Ceiling Panel After completing the wiring process install the supplied wiring cover before installing
11. Are LEDs 1 and 2 on the outdoor unit PCB OFF 2 Aminimum of 5 hours must have passed after the power was turned ON to the outdoor unit 3 All indoor units operate in all refrigerant systems where the power is ON Check that test run preparation is OK Do not allow the short circuited pins to remain short circuited Set the wired remote controller for test run Refer to the remote controller test run settings Does system operate YES Check and make corrections according to Table of Self Diagnostic Functions Return remote control to normal mode End test run Fig 8 3 71 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 72 F 8 3 Main Outdoor Unit PCB Setting S003 S002 S004 S005 S006 S007 im noo ADY AGY Mov2 0N237 C Ix Bags gee ZEEE ZEZE CN100 Str Base BESS MEEES BS i L 5 CN101 L on a 5 e 7 CN003 N rwr PO gm mm 4 1 Aii TR y oova 4 1 1 52C1 MG SW nnd i an f FU2 VANS A EY 52c2 L020 Ai i DISH DISH imm cs 1 EXG2 or 3 T QU 8 g Cnt i S 8 i E i HICt wr li HIC2 yer e g LIT E B ox Qi on2 ois o 1FA4B1B100400 0 HONOL L1 NOQ n LL i edo O j om pee assy NN NH amp VOLZAOSZ 104 CR CHDX14053 sz o g i NI 20 DEN p LET T E Od h co ah
12. Fig 3 6 Drain insulator supplied Air bleed hibited ir bleeder prohibite 2 After checking the drainage wrap the supplied packing and drain pipe insulator around the pipe Fig 3 7 CAUTION 9 Do not install an air bleeder NOTE Ness as this may cause water to Make sure the drain pipe has a downward gradient 1 100 spray from the drain pipe or more and that there are no water traps outlet Fig 3 8 25 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 26 F CAUTION 11 3 16 in or less as short as possible TRA 33 15 32 in or less In cases where it is necessary to raise the height of the drain piping the drain piping can be raised 0 457 X to a maximum height of 33 15 32 above the bottom surface of the ceiling Under no Run Rx conditions attempt to raise it higher than Length of supplied drain hose 9 27 32 in 33 15 32 above the bottom surface of the ceiling Fig 3 9 Doing so will result in water leakage Fig 3 9 Do not install the pipe with an upward gradient from the connection port This will cause the Upward gradient prohibited drain water to flow backward and leak when the unit is not operating Fig 3 10 Do not apply force to the piping on the unit side when connecting the drain pipe The pipe should not be allowed to hang unsupported from its Fig 3 10 connection to the unit Fasten the pipe to a wall frame or other support as close to the
13. fC Fig 3 23 m 28 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 29 F 3 6 3 Wiring the Ceiling Panel Direction that the unit faces has been changed to 1 Open the cover of the electrical component box facilitate explanation B ues component 2 Connect the 7P wiring connector red from the box cover ceiling panel to the connector in the unit electrical Tat component box 2 D Y X KAS Ceiling panel e f the connectors are not connected the Auto flap will Sor j wiring connector not operate Be sure to connect them securely 8 locations Check that the wiring connector is not caught sup D usus between the electrical component box and the cover Check that the wiring connector is not caught between the unit and the ceiling panel 3 6 4 How to Attach the Corner amp Air Intake Grille Pass the wiring connector through the clamp to fasten it in place as shown in the figure Attaching the corner cover and air intake grille Fig 3 24 A Attaching the corner cover 1 Check that the safety cord from the corner cover is fastened to the ceiling panel pin as shown in the figure 2 Use the supplied screws to attach the corner cover to the ceiling panel B Attaching the air intake grille To install the air intake grille follow the steps for Removing the grille in the reverse order By rotating the air intake grille it is possible to attach the
14. D72 D75 on the outdoor unit PCB They are also displayed on the wired remote controller Viewing the LED 1 and 2 D72 and D75 alarm displays LED 1 LED 2 Alarm contents x 3A Alarm display Alternating LED 1 blinks M times then LED 2 blinks N times The cycle then repeats M 2 Palarm 3 Halarm 4 E alarm 5 Falarm 6 L alarm N Alarm No Example LED 1 blinks 2 times then LED 2 blinks 17 times The cycle then repeats Alarm is P17 3 Blinking Connect the outdoor maintenance remote controller to the RC socket on the outdoor main unit control PCB 3P blue and check the Alarm Messages on the remote controller display Alarm Possible cause of malfunction message Serial Remote controller is detecting Error in receiving serial communication signal communication error signal from indoor unit Signal from main indoor unit in case of group control E01 errors Ex Auto address is not completed Mis setti re setlng Error in transmitting serial communication signal lt E02 gt Indoor unit is detecting error signal from remote controller and system controller lt lt E03 gt gt Indoor unit is detecting error Error in receiving serial communication signal signal from main outdoor unit When turning on the power supply the number of connected E04 indoor units does not correspond to the number set Except R
15. Dirty or clogged air filter Heat source or many people in room Doors and or windows are open Obstacle near air intake or air discharge port Thermostat is set too high for cooling or too low for heating Defrosting system does not work a kWONM Clean air filter to improve the airflow Eliminate heat source if possible Shut them to keep the heat or cold out Remove it to ensure good airflow Set the temperature lower or higher Consult your dealer B Tips for Energy Saving Avoid Do Do not block the air intake and outlet of the unit If either is obstructed the unit will not work well and may be damaged Donotlet direct sunlight into the room Use sunshades blinds or curtains If the walls and ceiling of the room are warmed by the sun it will take longer to cool the room Always try to keep the air filter clean Refer to Care and Cleaning A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed NOTE Should the power fail while the unit is running If the power supply for this unit is temporarily cut off the unit will automatically resume operation once power is restored using the same settings before the power was interrupted 88 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 89 F 9 3 Concealed Duct High Static Pressure Type U D Type B NAME OF PARTS CON
16. ON ON 1 unit factory setting 10N IM kE 2 1 2 9 OFF ON ON 2 units 20N WB 8 1 2 3 OFF ON ON 3 units 1 amp 20N B AU 8 1 2 3 OFF ON ON 4 units 30N a 8 1 2 3 OFF Address setting of main outdoor unit S007 Unit No setting Address setting of outdoor unit S007 3P DIP switch blue Unit No 1 main unit factory setting ON fall i OFF Address setting of sub outdoor unit Unit No setting Address setting of outdoor unit S007 3P DIP switch blue ON ON Unit No 2 sub unit m hi factory setting ZON T i OFF ON ON Unit No 3 sub unit 1 amp 820N B AG 3 1 2 3 OFF ON ON Unit No 4 sub unit 30N wi D 12 3 OFF The sub unit control PCB contains the same switches as the main unit control PCB for No of indoor units No of outdoor units and system address However it is not necessary to set these switches 73 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 74 8 4 Auto Address Setting Basic wiring diagram Example 1 If link wiring is not used The inter unit control wires are not connected to multiple refrigerant systems Indoor unit addresses can be set without operating the compressors No 1 main outdoor unit
17. Slight Fig 3 115 PVC pipe angle 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 52 F 2 Check with a tape measure or carpenter s level This is important so that the unit is correctly installed Fig 3 117 E E 3 Make sure the panel is flush against the wall Any space x O x between the wall and unit will cause noise and vibration b If the Wall is Brick Concrete or Similar Drill 3 16 dia holes in the wall Insert Rawl plugs for I appropriate mounting screws Fig 3 118 e 3 32 Removing the Grille to Install the Indoor Unit LR In principle with this model wiring can be completed without jo fce removing the grille 7 Rawl plug However if it is necessary to change the settings on the PCB ree follow the procedure below Nei Removing the grille Fig 3 118 1 Lift up on both sides of the air intake grille to open it iniakerdiia Fig 3 119 2 Remove the filter Fig 3 119 SS 7 3 Adjust the flap so that it is horizontal Fig 3 120 l l l OX Tx 7 Iss EE 4 4 Open the installation screw covers below the grille P 3 locations Fig 3 120 Filter 7 A Fig 3 120 Pura 5 Remove the screws Fig 3 120 Open the grille 6 Remove the grille Fig 3 121 Fig 3 119 Attaching the grille 1 Close the flap 2 Keep the grille installation tabs aligned with the top portion of the g
18. do not leave the valve cap off 3 Applying refrigerant oil to the flare surface can be effective in preventing gas leakage however be sure to use a refrigerant oil which is suitable for the refrigerant that is used in the system This unit utilizes R410A refrigerant and the refrigerant oil is ether oil synthetic oil However hub oil synthetic oil can also be used Be sure to replace the air inside the tube with nitrogen to prevent oxide film from forming during the brazing process Be sure to use a damp cloth or other means to cool the valve unit during brazing Work method Field supply tube a 0 l 1 Brazing locations Taping E Remote valve Pressure reducing valve regulator QO ueBDoN 1 CAUTION 2 Be sure to use nitrogen Oxygen CO and CFC must not be used Use a pressure reducing valve on the nitrogen tank Do not use agents intended to prevent the formation of oxide film They will adversely affect the refrig eration oil and may cause equipment failure The balance tube is not used if only 1 outdoor unit is installed Use the unit in the same conditions as when it was shipped from the factory 3 58 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 59 F 5 ELECTRICAL WIRING 5 1 General Precautions on Wiring 1 Before wiring confirm the rated voltage of the unit as 7 Regulations on wire diameters differ from locality to shown on its na
19. form and snow proof ducting field supply Fig 2 9 2 4 Installing the Outdoor Unit in Heavy Snow Areas In locations where wind blown snow can be a problem snow proof ducting field supply should be fitted to the unit and direct exposure to the wind should be avoided as much as possible Fig 2 10 The following problems may occur if proper countermeasures are not taken The fan in the outdoor unit may stop running causing the unit to be damaged There may be no air flow The tubing may freeze and burst The condenser pressure may drop because of strong AVOID wind and the indoor unit may freeze a The platform should be higher than the maximum snow i Fl so depth Fig 2 9 Without E With snow b The 2 anchoring feet of the outdoor unit should be used a S pin anes for the platform and the platform should be installed beneath the air intake side of the outdoor unit 2 5 Precautions When Installing in Heavy Snow Areas Fig 2 9 c The platform foundation must be solid and the unit must be secured with anchor bolts 2 When installing on a roof subject to strong wind coun termeasures must be taken to prevent the unit from being overturned 21 ing 09 PM Page 22 1 23 07 6 f Wind Duct Imensions o Reference diagram for air discharge chamber field supply 07 007 W 2WAY II NA 2 6 D unit in
20. lt Density limit oz ft 3 The density limit of refrigerant which is used in multi air condi tioners is 0 3 oz ft 3 ISO 5149 1 If there are 2 or more refrigerating systems in a single refrigerating device the amount of refrigerant should be as charged in each independent device For the amount of charge in this example Outdoor unit e g charged amount 353 oz e g charged amount 529 oz Indoor unit Es C es E Room B Room C Room D Room E Room F The possible amount of leaked refrigerant gas in rooms A B and C is 353 oz The possible amount of leaked refrigerant gas in rooms D E and F is 529 oz Room A 2 The standards for minimum room volume are as fol lows 1 No partition shaded portion 22 227 2 When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas opening without a door or an opening 0 15 or larger than the respective floor spaces at the top or bottom of the door Outdoor unit Refrigerant tubing m Indoor unit 3 If an indoor unit is installed in each partitioned room and the refrigerant tubing is interconnected the small est room of course becomes the object But when mechanical ventilation is installed interlocked with a gas leakage detector in the smallest room where the density limit is exceeded the volume of the next small est ro
21. washer Screw Ring pressure d terminal XQ ID Screw and wt Special washer Wire Terminal plate Ring 2 lt gt 4 pressure Z Z terminal N Wire ee Fig 5 6 62 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 63 F 6 HOW TO PROCESS TUBING Deburring The liquid tubing side is connected by a flare nut and the Before After gas tubing side is connected by brazing 6 1 Connecting the Refrigerant Tubing Use of the Flaring Method Many of conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between y nl f indoor and outdoor units In this method the copper tubes are flared at each end and connected with flare nuts f Flaring Procedure with a Flare Tool Fig 6 1 1 Cut the copper tube to the required length with a tube cutter It is recommended to cut approx 1 2 ft longer ing h imate than the tubing length you estimate opa 2 Remove burrs at the end of the copper tube with a tube tubing reamer or file This process is important and should be s done carefully to make a good flare Fig 6 1 Reamer NOTE oe oN f o When reaming hold the tube end downward and be sure S aM that no copper scraps fall into the tube Fig 6 2 Fig 6 2 3 Remove the flare nut from the unit and be sure to mount it on the copper tube 4 Make a flare at the end of copper tube with a flare tool Fig 6 3 WE es Flare nut iR e um insi
22. 09 52 89 52 09 52 09 52 812 7 012 7 015 88 019 05 019 05 Note In case the total capacity of connected indoor units exceeds the total capacity of the outdoor units select the main tubing size for the total capacity of the outdoor units Especially the main tubing segments of LA LB and LF Table 1 11 Outdoor Unit Tubing Connection Size f a c BTU h 95 500 153 600 kW 28 0 45 0 97 8 01 1 8 Gas tubing 022 22 028 58 aO P Brazing connection Liquid tubing 93 8 09 52 91 2 912 7 E Flare connection Balance tube 21 4 96 35 Liquid tube Flare connection Gas tube Balance tubing Unit in mm Table 1 12 Indoor Unit Tubing Connection Size Unit in mm Indoor unit type 7 9 12 18 24 36 48 Gas tubing 91 2 012 7 95 8 015 88 Liquid tubing 91 4 96 35 23 8 09 52 Note Use C1220T 1 2H material for tubing over 03 4 022 22 12 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 13 1 7 Straight Equivalent Length of Joints Design the tubing system by referring to the following table for the straight equivalent length of joints Table 1 13 Straight Equivalent Length of Joints Unit ft EE 1 2 5 8 3 4 7 8 1 1
23. 1 8 1 1 4 1 1 2 Gas tubing size in mm 12 7 15 88 19 05 22 22 25 4 28 58 31 8 38 1 90 elbow amp 1 1 1 14 1 6 dur 1 9 2 3 2 6 45 elbow 0 8 0 9 1 1 2 1 3 1 4 1 7 1 9 U shape tube bent R2 3 8 4 60 100 UJ 3 3 4 4 1 4 7 5 1 5 6 6 9 7 8 Trap bend UNI 75 92 105 125 141 154 164 14 0 Y branch distribution joint zd Equivalent length conversion not needed Ball valve for service Equivalent length conversion not needed Table 1 14 Refrigerant tubing Existing tubing can be used Tubing size in mm Material O Material 1 2H H 21 4 96 35 t1 32 0 8 97 8 022 22 t5 128 1 0 93 8 99 52 t1 32 0 8 g1 025 40 t5 128 1 0 91 2 812 7 t1 32 0 8 g1 1 8 028 58 t5 128 1 0 95 8 915 88 t5 128 1 0 g1 1 4 631 75 t3 64 1 1 93 4 019 05 over t5 128 1 0 e1 1 2 238 10 over t3 64 1 15 g1 5 8 041 28 over t3 64 1 20 1 8 Additional Refrigerant Charge When bending the tubes use a bending radius that is at least 4 times the outer diameter of the tubes In addition take sufficient care to avoid crushing or damaging the tubes when bending them Additional refrigerant charge amount is calculated from the liquid tubing total length as follows Table 1 15 Amount of Refrigerant Charge Per Meter According to Liquid Tubing Size Required amount of charge Amount of
24. Air intake causing them to spray or drip ie locations where the remote controller will be splashed with water or affected by dampness or humidity installing the remote controller behind curtains or furniture Side view Max 10 in Obstacle locations where high frequency emissions are generated Fig 2 1 DO Concealed Duct High Static Pressure Type 4 Way Air Discharge Semi Concealed Type select an appropriate position from which every corner of the room can be uniformly cooled dA select a location where the ceiling is strong enough to LN support the weight of the unit o e select a location where tubing and drain pipe have the ap shortest run to the outdoor unit v7 allow room for operation and maintenance as well as unrestricted air flow around the unit Fig 2 2 install the unit within the maximum elevation difference above or below the outdoor unit and within a total tubing 1 Way Air Discharge Semi Concealed Type length L from the outdoor unit as detailed in Table 1 8 Ceiling allow room for mounting the remote controller about 3 ft off the floor in an area that is not in direct sunlight nor in mn min 2 in min 3 ft the flow of cool air from the indoor unit Air delivery will be degraded if the distance from the floor to Air A discharge Obstacle Air 4 intake min 2 in the ceiling is greater than 10 ft Side view Fig 2 3
25. Care Before a prolonged idle period B TROUBLESHOOTING blockage remove it Check the indoor and outdoor unit air intakes and outlets for blockage if there is a Operate the fan for half a day to dry out the inside Disconnect the power supply and also turn off the circuit breaker Clean the air filter and replace it in its original position Outdoor unit internal components must be checked and cleaned periodically Contact your local dealer for this service If your air conditioner does not work properly first check the following points before requesting service If it still does not work properly contact your dealer or a service center Trouble Possible Cause Remedy Air conditioner does not run at all a ROI 1 Power failure Leakage circuit breaker has tripped Line voltage is too low Operation button is turned off The wired remote control unit or heat pump is malfunctioning The inspection mark and the letters E F H L P in combination with numbers appear on the LCD of the wired remote control unit ae a ROI After a power outage press ON OFF operation button Contact service center Consult your electrician or dealer Press the button again Consult your dealer on the wired remote control unit Compressor runs but soon stops Obstruction in front of condenser coil Remove obstruction Poor cooling or heating performance
26. Eliminate heat source if possible 3 Doors and or windows are open 3 Shut them to keep the heat or cold out 4 Obstacle near air intake or air discharge port 4 Remove it to ensure good airflow 5 Thermostat is set too high for cooling 5 Set the temperature lower or higher or too low for heating 6 Defrosting system does not work 6 Consult your dealer E Tips for Energy Saving Avoid Do not block the air intake and outlet of the unit If either is obstructed the unit will not work well and may be damaged Donotlet direct sunlight into the room Use sunshades blinds or curtains If the walls and ceiling of the room are warmed by the sun it will take longer to cool the room Do Always try to keep the air filter clean Refer to Care and Cleaning A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed NOTE Should the power fail while the unit is running If the power supply for this unit is temporarily cut off the unit will automatically resume operation once power is restored using the same settings before the power was interrupted 94 Lo 1 Lo e 1
27. Lu H W Fan motor socket M M At shipment Booster cable installed L L Fig 3 7 0 0 0 0 gaS 177 353 353 530 Air Flow ft 3 minute Air Flow ft 3 minute How to read the diagram The vertical axis is the external static pressure psi 10 psi 36 Type in Aq in Aq while the horizontal axis represents the air flow 24 Type i H H 1 amp amp p i in A R ft 3 minute The characteristic curves for HT H M 10 psi E uai 10 6 and L fan speed control are shown The nameplate S values are shown based on the H air flow For the 24 type the air flow is 635 ft 3 minute while the external 5 E X D static pressure is 7 1 x 10 psi at H position If exter Bm Dm amp jos fi nal static pressure is too great due to long extension of 2 2 S i ducts for example the air flow volume may drop too a a H low at each air outlet This problem may be solved by S 73 73 10 2 E E M increasing the fan speed as explained above 5 35 L 0 0 0 353 706 706 1059 Air Flow ft 3 minute Air Flow ft 3 minute NOTE HT Using the booster cable L H At shipment e Fig 3 76 42 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 43 Bl Concealed Duct High Static Pressure Type D Type 3 19 Required Minimum Space for Installation and Service e This air conditioner is usually installed above the ceiling so that the indoor unit and ducts are not visible Only the air intake and air outlet por
28. P E a Y s loo Sp u zm i ues Power supply outlet Fig 3 3 Inter unit control wiring Unit in mm 3 3 Placing the Unit Inside the Ceiling T I 1 When placing the unit inside the ceiling determine 3c the pitch of the suspension bolts using the supplied a full scale installation diagram Fig 3 4 6 as Tubing and wiring must be laid inside the ceiling Ea H when suspending the unit If the ceiling is already constructed lay the tubing and wiring into position i Supplied bolt s Full scale installation diagram iti for connection to the unit before placing the unit Miocene S e mmm inside the ceiling Fig 3 4 24 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 25 F 2 The length of suspension bolts must be appropriate Suspension bolt for a distance between the bottom of the bolt and the 77 bottom of the unit of more than 19 32 in as shown in Nuts and washers Suspension lug Fig 3 5 use for upper and lower 3 Thread the 3 hexagonal nuts and 2 washers field Ww supply onto each of the 4 suspension bolts as shown in Fig 3 5 Use 1 nut and 1 washer for the upper side L T and 2 nuts and 1 washer for the lower side so that the Double nut unit will not fall off the suspension lugs E 5 32 4364 12 17 4 Adjust so that the distance between the unit and the Unit in mm ceiling bottom is 15 32 to 43 64 in Tighte
29. Page 75 s Basic wiring diagram Example 2 If link wiring is used When multiple outdoor main units exist remove the socket that No 1 Refrigerant circuit is used to short circuit the terminal plug CN003 from all No 1 main outdoor unit settings outdoor main unit PCBs except for one unit Alternatively move the sockets to the OPEN side System address No of indoor units system 1 setting 13 units setting S002 S003 S004 7 ON vw i Ms 1 OFF 6005 ON L m a Q No 2 sub unit No 3 sub unit 1 2 3 OFF E No of odd Unit settings m settings 3j outdoor units S007 Unit S007 ni 8007 3 units JT Hi ieu Fa ON number ON ON number ON ON setting Z 3JOFF unit No 1 Aili ofr setting WAE o seting BB 2 unit No 2 1 2 3 OFF unit No 3 1 2 3 OFF Unit Leave the socket that Unit Unit scd No 1 is used to short circui
30. Page 76 F Case 2 Automatic Address Setting no compressor operation Indoor and outdoor unit power can be turned ON for each system separately Indoor unit addresses can be set without operating the compressors Automatic Address Setting from Outdoor Unit Li k 1 On the No 1 main unit control PCB set the unit No switch S007 to i 2 3 unit No 1 On the No 2 sub unit control PCB set the unit No switch S007 to ON B unit No 2 Dag 1 2 3 On the No 3 sub unit control PCB set the unit No switch S007 to hi i unit No 3 1 23 2 To set the number of outdoor units on the outdoor main unit control PCB set the No of outdoor units DIP switch S006 to 4 Sunits Waal 1 OFF 3 On the outdoor main unit control PCB check that the system address rotary switch S002 is set to 1 and that the DIP switch S003 is set to 0 ON n These are the settings at the time of factory shipment TN 1 2 OFF 4 To set the number of indoor units that are connected to the outdoor unit to 13 on the outdoor main unit control PCB set the No of indoor units DIP switch S005 to 1 QN E and set the rotary switch S004 to 3 ga o 1 2 3 OFF 5 Turn on power to all indoor and outdoor units in the system 6 Short circuit the automatic address pin at the outdoor main unit CN100 for 1 second o
31. Right side view Air direction Right direction 22 o c G Qa D S 5 2 guosueuup reyoeuq nune 2 D PIG TSE 5 Y suoisueuuip jaued Dura lt G gi W z v9 G6 Z 62 L6 o E z ITEE E Sexe T V9 C9 69 7 5 il E 2 E i Hu 9 9s MAE CUM TUI Ton 3 zi an os c oS SSSI 2 66 E 7 as RRS E 2 zo gt E co EE T ERORIRQIE o D tc 5 RRR Ss 5 S N Oa e ERR Rd 25 Ns 323232320202 5 o ES S aL o e J E S V BEES E WIZE v9 CG G9 d I c 6c 6 T D S 3 m gt Ni o v jg youd ejou uonejjeisur E o i c TY tS A F f Mi TF 9 Ld 3 E 2 T 5 A e S 3 8 9 f mx O 9 ES l 5 x 9 B zs 2 Oe o 5 e NIc H o E Se o 75 o e Ez 9 Dg o S S 8 8 Gls J ESSERE aa 2 Q SIISII eia B Bo S SKERRY zd Es 8 SRG ZW ISISI lt E J oD S E RREI z S o i SKS 8 6 cao E y Jag eX J o Y c z 2 o G S um t z d 8 44 p LOCOS E
32. Size Part A Part B Part C Part D Part E Part F Part G Part H Part in mm g1 1 2 g1 1 4 g1 1 8 g1 97 8 93 4 95 8 91 2 93 8 838 1 031 75 9028 58 925 4 922 22 919 05 915 88 912 7 99 52 15 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 16 3 APR P160BA Insulation Distribution Joint SN Use For indoor unit Capacity after distribution joint is 76 400 BTU h 22 4 kW or less Example Liquid tubing 4 21 64 3 13 16 4 EF Jc 5 LIB g Distribution Insulation Joint C Table 1 21 Size of connection point on each part Shown are inside diameters of tubing Size Part A Part B Part C Part D Part E in mm g3 4 95 8 91 2 93 8 g1 4 j 819 05 915 88 812 7 99 52 96 35 Unit in 4 APR P680BA Example Use For indoor unit Capacity after distribution joint is greater than 76 400 BTU h 22 4 kW and no more than 232 000 BTU h 68 0 kW Gas tubing Liquid tubing 4 21 64 crt 3 13 16 MEN amp E Ee IE o M ELI R E Distribution Joint M B E ay i Cl ut DE Reducing Ha JEURSNUIUSISNN Redu
33. Use 2 lengths of rope 25 ft long or longer When passing the ropes through the square holes of the bottom plate Place the rope in the outer edge of the square holes Use protective panels or padding at all locations where the rope contacts the outer casing or other parts to prevent scratching In particular use protective material such as cloth or cardboard to prevent the edges of the top panel from being scratched Be careful of the fan There is danger of injury if the fan starts to turn during inspection Be sure to turn OFF the remote power switch before beginning inspection 4 2 Installing the Outdoor Unit 1 Use anchor bolts M12 or 15 32 or similar to securely anchor the unit in place Fig 4 2 2 Be sure the rubber vibration insulator and platform extend to the inside of the legs In addition the washers used to anchor the unit from the top must be larger than the installation anchor holes Figs 4 2 and 4 3 Positions where anchor bolts are fastened Installation anchor hole 4 19 32 x 25 32 oval holes 35 3 64 Ceiling panel dimensions 36 7 32 Installation hole pitch 37 13 32 Maximum dimensions 31 7 64 Installation hole pitch 35 3 64 Ceiling panel dimensions 74 1 64 Ceiling panel dimensions 35 3 64 Ceiling panel dimensions 135 3 64 Ceiling panel dimensions RAR elal a lolt amp 2 Ea a A j 8 8 5 Wwe oS EE
34. Wall Mounted Type p min 6 in 7 Front View Fig 2 4 19 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 20 s 2 2 Outdoor Unit Exhaust fan AVOID Hot air a c heat sources exhaust fans etc 27 Heat damp humid or uneven locations Out source indoors no ventilation location und unt DO p choose a place as cool as possible choose a place that is well ventilated Fig 2 5 allow enough room around the unit for air intake exhaust and possible maintenance Example of installation of 2 units When wall height is below 6 ft Installation Space Install the outdoor unit where there is enough space for ven tilation Otherwise the unit may not operate properly Fig 2 6 Pa More than 4 in shows the minimum space requirement around the outdoor units when 3 sides are open and only 1 side is shuttered with open space above the unit The mounting base should Wiorethan be concrete or a similar material that allows for adequate 2 in if More than drainage Make provisions for anchor bolts platform height Tue and other site specific installation requirements More than 4 in More than 4 in Leave space open above the ja CAUTION unit However be sure to ensure a space of 1 ft or more at Construct louvers or other either the right side or the rear of the unit
35. against the amount WARNING limit for the room In which the of refrigerant is roughly as given in the following table unit is installed E ft 3 ft 2 1 10 Check of Limit Density 10000 1136 T 107 When installing an air conditioner in a room it is necessary to S000 Hangs m 1023 ensure that even if the refrigerant gas accidentally leaks out its 8500 the density limit of arc 2 density does not exceed the limit level for that room 2 7500 0 3 oz ft 3 852 9 If the density could exceed the limit level it is necessary to provide re E Maple a 733 5 S an opening between the unit and the adjacent room or to install 6000 eee 682 mechanical ventilation which is interlocked with a leak detector 8 5500 625 o 2 5000 568 F Total refrigerant charged amount oz c 4900 511 85 4000 454 c 2 Min indoor volume where the indoor unit is installed ft 3 aod M 25 lt Limit density 0 3 oz ft 3 2500 ange above 284 2000 the density limit of 227 The limit density of refrigerant R410A which is used in this unit is 1500 I es 170 3 1000 countermeasures 114 0 3 Bel ISO 5149 500 needed 57 The shipped outdoor unit comes charged with the amount of refrig 0 0 erant fixed for each type so add it to the amount that is charged in 0 500 1000 1500 2099 2500 P the field For the refrigerant charge amount at shipment refer to the Total amount of refrigerant unit s nameplate Pay special attention to any loc
36. and outdoor unit power ON at all systems 1 6 To perform automatic address setting in Heating mode on the outdoor main unit control PCB in the refrigerant system where you wish to set the addresses short circuit the automatic address pin CN100 for 1 second or longer then release it Be sure to perform this process for one system at a time Automatic address settings cannot be performed for more than one system at the same time J Communication for automatic address setting begins the compressors turn ON and automatic address setting in Heating mode begins All indoor units operate To cancel again short circuit the automatic address pin CN100 for 1 second or longer then release it D The LED that indicates automatic address setting is in progress turns OFF and the process is stopped Be sure to perform automatic address setting again Automatic address setting is completed when the compressors stop and LEDs 1 and 2 on the main unit control PCB turn OFF 7 At the outdoor main unit in the next different system short circuit the automatic address pin CN100 for 1 second or longer then release it Repeat the same steps to complete automatic address setting for all units l 8 Operation from the remote controllers is now possible To perform automatic address setting from the remote controller perform steps 1 5 then use the remote controller and complete automatic address settin
37. edge to the outside edge and cut the PVC pipe at a slight angle 15 64 shorter than the thickness of the wall Fig 3 114 6 Place the plastic cover over the end of the pipe for indoor side only and insert in the wall Fig 3 115 The hole should be made at a slight downward gradient to the outside N CAUTION Avoid areas where electrical wiring or conduits are located 3 31 Installing the Rear Panel onto the Wall Confirm that the wall is strong enough to support the unit See either Item a or b below depending on the wall type a If the Wall is Wooden Screws used during transportation Es Press A f Remove the rear panel Fig 3 110 Left rear tubing Right rear tubing recommended Left tubing Center of left rear tubing hole Center of right rear tubing hole Tubing hole diameter 03 5 32 Fig 3 112 Outdoor side Fig 3 113 PVC pipe locally purchased p 6 8 Cut at slight angle Fig 3 114 1 Attach the rear panel to the wall with the 10 screws provided Fig 3 116 If you are not able to line up the holes in the rear panel with the beam locations Plastic marked on the wall use Rawl plugs or cover toggle bolts to go through the holes on the panel or drill 3 16 dia holes in the panel over the stud locations and then mount the rear panel lt INSIDE Wall 51 OUTSIDE TL
38. fed a little at a time in order to prevent liquid refrigerant from backing up After charging is completed turn all valves to the fully open position Replace the tubing covers as they were before 1 R410A additional charging absolutely must Balance tube CAUTION be done through liquid charging Use a flathead screwdriver and E open by turning the part with the 2 The R410A refrigerant cylinder has a gray screw groove to the right base color and the top part is pink from to 3 The R410A refrigerant cylinder includes a E g y Q 5 siphon tube Check that the siphon tube is H present This is indicated on the label at the top of the cylinder a 4 Due to differences in the refrigerant pres l sure and refrigerant oil involved in installa Liquid tube Use a hex wrench width 5 32 inch tion it is not possible in some cases to use and turn to the left to open the same tools for R22 and for R410A Example Gas tube Outdoor unit Use a flathead screwdriver and open by turning the part with the 09053 09053 screw groove to the right model model from to ii ii I LB LC i T Te Te 14 48 model 48 model 48 model 36 model Example of each tubing length Main tubing Distribution joint tubing LA 131 ft Outdoor side Indoor s
39. grille Fig 3 25 onto the ceiling panel from any of 4 directions Coordinate the directions of the air intake grilles when installing multiple units and change the directions according to customer requests When attaching the air intake grille be careful M that the flap lead wire does not become caught ru Be sure to attach the safety cord that prevents 3 the air intake grille from dropping off to the ceiling panel unit as shown in the figure at right e With this ceiling panel the directions of the air intake wae z P Hook that prevents grille lattices when installing multiple units and the ihe orile from dropping position of the label showing the company name on the corner panel can be changed according to Fig 9 26 customer requests as shown in the figure below However the optional wireless receiver kit can only be installed at the refrigerant tubing corner of the ceiling unit Place the corner cover so that the 3 tabs fit into the holes in the ceiling panel Then fasten it in place with the supplied screws Locations of the air intake grille catches at the time the product is shipped The grille can be installed with these Unit drain hose side _ Unit refrigerant tube side catches facing in any of 4 directions Optional wireless receiver kit Can only be installed in this position Unit electrical component box 07 007 w 2WAY II NA 1 23 07 6 09 PM
40. openings in the wall if nec Fig 2 6 essary to ensure adequate ventilation NOTE 74 1 64 Ceiling panel dimensions 3 15 16 Do not do any wiring or tubing within 1 ft of the front e V 35 3 64 Ceiling panel dimensions 35 3 64 Ceiling panel dimensions panel because this space is needed as a servicing FA aG 3 space for the compressor 37 13 32 Maximum dimensions Ensure a base height of 4 in or more to ensure that drainage water does not accumulate and freeze around the bottom of the unit If installing a drain pan install the drain pan prior to installing the outdoor unit 35 3 64 Ceiling panel dimensions 36 7 32 Installation hole pitch Make sure there is at least 6 in between the outdoor 1 Y unit and the ground 31 7 64 Installation hole pitch 31 7 64 Installation hole pitch Also the direction of the tubing and electrical wiring 70 5 64 m should be from the front of the outdoor unit 5 IDEE l Unit in Fig 2 7 20 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 21 F 2 3 Shield for Horizontal Exhaust Discharge It is necessary to install an air discharge chamber field supply to direct exhaust from the fan horizontally if it is diffi cult to provide a minimum space of 7 ft between the air dis charge outlet and a nearby obstacle Fig 2 8 In regions with heavy snowfall the outdoor unit should be provided with a solid raised plat
41. outlet Drain connection 25A O D 1 1 4 Duct connection for suction Duct connection for discharge Inter unit control wiring Fig 3 78 43 Drain pan Min 5 1 8 Min 22 53 64 Unit in 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 44 F 3 20 Suspending the Indoor Unit Hole in anchor Depending on the ceiling type DE e Insert suspension bolts as shown in Fig 3 79 ae OLE or fa Fat Use existing ceiling supports or construct a suitable support as shown in Fig 3 80 Suspension bolt M10 or 3 8 ER field supply WARNING It is important that you use extreme care Fig 3 79 in supporting the indoor unit inside the ceiling Ensure that the ceiling is strong enough to suport the weight of the unit Before hanging the unit test the strength of each attached suspension bolt Ceiling tiles Ceiling support 1 When placing the unit inside the ceiling determine the pitch of the suspension bolts referring to the dimensional data given previously Figs 3 77 and 3 78 Tubing must be laid and connected inside the ceiling when suspending the unit If the ceiling is already constructed lay Fig 3 80 the tubing into position for connection to the unit before placing the unit inside the ceiling Bubbenslom bah 2 Screw in the suspension bolts allowing them to protrude from oe the ceiling as shown in Fig 3 79 Cut the c
42. refrigerant charge per meter of each size of liquid tube x its tube length Liquid tubing size Amount of refrigerant in mm charge oz ft 91 4 06 35 0 279 93 8 09 52 0 602 91 2 912 7 1 38 95 8 015 88 1 99 93 4 019 05 2 78 97 8 022 22 3 93 Always charge accurately using a scale for weighing If the existing tubing is used and the amount of on site additional refrigerant charge exceeds the value listed below then change the size of the tubing to reduce the amount of refrigerant Max additional charge for 1 outdoor unit 62 Ibs Max additional charge for 2 outdoor units 111 lbs Max additional charge for 3 outdoor units 133 lbs Table 1 16 Refrigerant Charge Amount at Shipment for outdoor unit DC CHDX09053 CHDX14053 oz 423 458 1 9 System Limitations Table 1 17 System Limitations Max No allowable connected outdoor units 24 Max capacity allowable connected outdoor units 307 100 BTU h 32 hp 90 kW Max connectable indoor units 40 Max allowable indoor outdoor capacity ratio 50 130 1 Up to 2 units can be connected if the system has been extended 13 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 14 F Always check the gas density Minimum indoor volume amp floor area as
43. size is two ranks higher 2 The balance tube outdoor unit tube diameter is e 1 4 8 Type 1 tubing should be used for the refrigerant tubes 4 If the length of the longest tube L1 exceeds 295 ft equivalent length increase the main tube LM size by 1 rank for the gas and liquid tubes Use field supply reducers Select from Table 1 9 and Table 1 14 5 If the longest main tube length LM exceeds 164 ft increase the main tube size at the portion before 164 ft by 1 rank for the gas tubes For the portion that exceeds 164 ft set based on the main tube sizes LA listed in the table above E Size of tubing LO between outdoor units Select the size of tubing between outdoor units based on the main tubing size LA as given in the table above Unit in mm Table 1 10 Main Tubing Size After Distribution LB LC hp horsepower Below BTU h 24 200 54 600 76 800 102 400 143 300 178 800 238 900 334 400 B Total capacity 2 5 hp 6 hp 8 1 hp 11 hp 15 hp 19 hp 25 hp 35 hp after distribution Over BTU h B 24 200 54 600 76 800 102 400 143 300 178 800 238 900 334 400 2 5 hp 6 hp 8 1 hp 11 hp 15 hp 19 hp 25 hp 35 hp Gas tubing 91 2 95 8 93 4 97 8 g1 91 1 8 1 1 8 1 1 4 gi1 1 2 Tubing size 012 7 015 88 019 05 022 22 025 4 028 58 028 58 931 75 038 1 Liquid tubing 93 8 93 8 23 8 93 8 91 2 91 2 95 8 93 4 93 4
44. the event that is refrigerant gas leaks during the installation Be careful not to allow contact of the refrigerant gas with a flame as this will cause the generation of poisonous gas Keep all tubing runs as short as possible Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free con nection Check carefully for leaks before starting the test run When Servicing Turn the power OFF at the main power box mains before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm after installation that no refrigerant gas is leak ing If the gas comes in contact with a burning stove gas water heater electric room heater or other heat source it can cause the generation of poisonous gas 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 3 Check of Density Limit The room in which the air conditioner is to be installed requires a design that in the event of refrig erant gas l
45. unit Liquid tube Balance tube 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 68 F 4 Do a leak test of all joints of the tubing both indoor and outdoor and both gas and liquid service valves Bub bles indicate a leak Wipe off the soap with a clean cloth after a leak test 5 After the system is found to be free of leaks relieve the nitrogen pressure by loosening the charge hose con nector at the nitrogen cylinder When the system pres sure is reduced to normal disconnect the hose from the cylinder Evacuation 1 Attach the charge hose end described in the preceding steps to the vacuum pump to evacuate the tubing and indoor unit Confirm that the Lo knob of the manifold valve is open Then run the vacuum pump The opera tion time for evacuation varies with the tubing length and capacity of the pump The following table shows the amount of time for evacuation Required time for evacuation when 30 gal h vacuum pump is used If tubing length is If tubing length is less than 49 ft longer than 49 ft 45 min or more 90 min or more 68 Pressure Manifold valve Gas tube Outdoor unit Liquid tube Balance tube 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 69 F Manifold valve The required time in the above table is calculated based on the gauge assumption that the ideal or target vacuum condition is less than 14 7 psig 755 mmHg 5 Torr 2 When the desired vacuum is reach
46. 007 W 2WAY II NA 1 23 07 6 09 PM Page 17 F 1 13 Example of Tubing Size Selection and Refrigerant Charge Amount Additional refrigerant charging Based on the values in Tables 1 9 10 11 12 and 15 use the liquid tubing size and length and calculate the amount of additional refrigerant charge using the formula below Required additional refrigerant charge oz 3 93 x a 2 78 x b 1 99 x c 1 38 x d 0 602 x e 0 279 x f a Liquid tubing Total length of 97 8 ft d Liquid tubing Total length of 1 2 ft b Liquid tubing Total length of 93 4 ft e Liquid tubing Total length of 23 8 ft c Liquid tubing Total length of 25 8 ft f Liquid tubing Total length of e 1 4 ft Charging procedure Be sure to charge with R410A refrigerant in liquid form 1 After performing a vacuum charge with refrigerant from the liquid tubing side At this time all valves must be in the fully closed position 2 If it was not possible to charge the designated amount operate the system in Cooling mode while charging with refrigerant from the gas tubing side This is performed at the time of the test run For this all valves must be in the fully open position However if only one outdoor unit is installed a balance tube is not used Therefore leave the valves fully closed Charge with R410A refrigerant in liquid form With R410A refrigerant charge while adjusting the amount being
47. 07 007 W 2WAY II NA 1 23 07 6 09 PM Page a F INSTALLATION INSTRUCTIONS W 2WAY System Air Conditioner for Refrigerant R410A B R410A Models Indoor Units Class 7 9 12 18 24 36 48 X 4 Way Air Discharge Semi Concealed Type XHX1252 XHX1852 XHX2452 XHX3652 A 1 Way Air Discharge Semi Concealed Type AHX0752 AHX0952 AHX1252 U Concealed Duct Type UHX0752 UHX1252 UHX1852 UHX2452 UHX3652 Concealed Duct E High Static Pressure Type DHX9652 DHX4852 T Ceiling Mounted Type THX1252 THX1852 THX2452 K Wall Mounted Type KHX0752 KHX0952 KHX1252 KHX1852 KHX2452 Outdoor Units HEHHHEE Class 90 140 C ECO i W 2WAY CHDX09053 CHDX14053 Refrigerant R410A is used in the outdoor units Optional Controllers Timer Wired Remote Controller RCS TM80BG Wireless Remote Controller For U D Type RCS BH80AAB WL Wireless Remote Controller For X Type RCS SH80AAB WL Wireless Remote Controller For A T Type RCS TRP80AAB WL RC Wireless Remote Controller For K Type RCS SH1AAB Simplified Remote Controller RCS KR1AGB System Controller SHA KC64UG Intelligent Controller SHA KT256BA Communication Adaptor SHA KA128AAB Remote Sensor ART K45AGB LonWorks Interface SHA LN16UAB 85464359982001 SANYO 2006 SANYO Electric Co Ltd Gunma Japan w 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 2 IMPOR
48. 1 1 2 638 1 over t3 64 1 15 1 5 8 041 28 over t3 64 1 20 4 5 Connect the Tubing Use the supplied connector tubing See figure below 09053 type 10 hp H M E Refrigerant tubing Connection method Supplied parts used Gas tubing Brazing Yes 93 4 97 8 Liquid tubing Flare connection No Balance tube Flare connection No 14053 type 16 hp Refrigerant tubing Connection method Supplied parts used Gas tubing Brazing Yes 091 91 1 8 Liquid tubing Flare connection No Balance tube Flare connection No 57 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 58 Refrigerant tube port Use caulking putty or a similar material to fill any gaps at the refrigerant tube port in order to prevent rainwater dust or foreign substances from entering the unit Perform this work even if the tubing is routed out in a downward direction Tighten each cap as specified below Tightening torque for each cap Cap tightening torque Tubing routed out through the bottom Tubing routed out through the front side Service port cap width 19 32 43 64 60 100 Ibs in 70 120 kgf cm Be careful of the cap sizes The sizes of the service port cap a
49. 22 Electrical component box Boa 217 Hole 9 Flange for the air intake duct s LA 7 Option or field supply eo 1 I M es ly IA 2 Inter unit control wiring 9512 iJ 2 z YY HA 12 7 32 3 ejo 31 32 8 9 32 31 32 21782 S 1 7132 B 11 782 18 91 8 EIS i _ 6 7 8 77 Bosco Ki a i X A 3 o Inspection acess 5 O 5 N a7 qe E en 1 AJS aN AT 25182 9 AField supply z J x n e 1 E ja e m RERE Id 8 D anh 5 29 32 S Ed Suspension bolt pitch 72a 5 1 8 2715 18 B 1782 2 946 7 iss on al t Inspection access panel Unit in 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 40 F 3 15 Suspending the Indoor Unit Hoisiianchor Depending on the ceiling type Hole in plug Concrete Insert e Insert suspension bolts as shown in Fig 3 63 v AIAT Use existing ceiling supports or construct a suitable support as shown in Fig 3 64 Suspension bolt M10 or 3 8 field supply WARNING It is important that you use extreme care N in supporting the indoor unit inside the Fig 3 63 ceiling Ensure that the ceiling is strong enough to support the weight of the unit Before hanging the unit test the strength of each attached suspension bolt Ceiling tiles 1
50. 7 6 09 PM Page 93 t 9 5 Wall Mounted Type K Type B NAME OF PARTS K Type Wall Mounted Air intake Air outlet m CARE AND CLEANING NE Air intake and outlet side Indoor unit For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning Do not pour water on the indoor unit to clean it This will damage the internal compo nents and cause an electric shock hazard Clean the air intake and outlet side of the indoor unit with a vacuum cleaner brush or wipe them with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When clean ing the air outlet side be careful not to force the vanes out of place Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe plastic parts using very hot water Some meta edges and the fins are sharp and may cause injury if handled improperly be especially careful when you clean these parts The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center Air filter The air filter collects dust and other particles from the air and should be cleaned at regular intervals as indicated in the table below or when the filter indication on the display of the remote control unit wired type shows that the filter needs cleaning If the filter gets blocked the efficie
51. 91 brc dues NOTE Fig 3 91 Since the diagram is made of paper it may shrink or stretch slightly because of high temperature or humidity e Me d Ponce iisen For this reason before drilling the holes maintain the E correct dimensions between the markings A 2 Drill holes at the 4 points indicated on the full scale ee diagram 3 Depending on the ceiling type AP d Spencing On Me coring ype Suspension bolt M10 or 3 8 a Insert suspension bolts as shown in Fig 3 92 field supply or Fig 3 92 b Use existing ceiling supports or construct a suitable support as shown in Fig 3 93 It is important that you use extreme care in supporting the indoor unit from the ceiling Ensure that the ceiling is strong enough to support the weight of the unit Before hanging the ceiling unit test the strength of each attached suspension bolt Pull out the air intake grille E 4 Screw in the suspension bolts allowing them to pushing claws i rl ey Hinge protrude from the ceiling as shown in Figs 3 92 of the hinges and 3 93 The distance of each exposed bolt must PN PEERS be of equal length within 1 15 16 Fig 3 94 d 2 Ceiling tiles Ceiling support Air intake grille Fixture Fig 3 94 47 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 48 5 Before suspending the indoor unit remove the 2 or 3 screws on the latch of the air intake grilles open the gr
52. C address is 0 Error of the main outdoor unit in receiving serial communication E06 signal from the indoor unit SEM Improper setting of indoor unit or Indoor unit address setting is duplicated E08 remote controller Remote controller address connector RCU ADR is duplicated ia lt lt E09 gt gt Duplication of main remote controller During auto address setting Starting auto address setting is prohibited number of connected units does This alarm message shows that the auto address connector CN100 E12 not correspond to number set is shorted while other RC line is executing auto address operation Error in auto address setting Number of connected indoor units E15 is less than the number set When turning on the power Error in auto address setting Number of connected indoor units E16 supply number of connected is more than the number set Mo correspond to No indoor unit is connected during auto address setting E20 number set Except R C address is 0 Main outdoor unit is detecting error signal from sub outdoor unit E24 Error of outdoor unit address setting E25 The number of connected main and sub outdoor units do not E26 correspond to the number set at main outdoor unit PCB Error of sub outdoor unit in receiving serial communication signal E29 from main outdoor unit Indoor unit communication error Error of main indoor unit in receiving serial communication signal E18 of group control wiring from sub indoo
53. CEALED DUCT CONCEALED DUCT U type standard static pressure D type high static pressure Air intake sideduct flange rear Flexible duct optional Water drain Water drain Canvas duct optional Electrical box Air intake grille Air outlet side air intake duct flange optional Air outlet grille optional B CARE AND CLEANING T WARNING 1 For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning 2 Do not pour water on the indoor unit to clean it This will damage the internal compo nents and cause an electric shock hazard Air intake and outlet side Clean the air intake and outlet side of the indoor unit with a vacuum cleaner brush or wipe them Indoor unit with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When clean ing the air outlet side be careful not to force the vanes out of place 1 Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe plastic parts using very hot water 2 Some metal edges and the fins are sharp and may cause injury if handled improperly be especially careful when you clean these parts 3 The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center Concealed duct type U D Type Period f U D Depends on filter An air filter is n
54. E 5 L J o i hoe 2 S C p9 S 28 v9 ES G9 s 2 OO N i gt c 62 16 z z 2s 95 eo I oO Oo B m oD P 7 TE N 5 a7 5 i 9 i x c 2 5 OO z t FEE Oo c o 4g 5 4 5 Sis Bs gt B Dg us t t 9 9815 e E e x c N 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 23 2 7 Dimensions of Snow Ducting e Reference diagram for snow proof ducting field supply S 31 17 32 3l ry ry Air direction Air direction Front direction Right direction 8 S i i Ceiling panel i 8 Ceiling panel e lt eio LO e 1 Y Y i Y A 31 17 32 Air intake duct 3117 92 aes 53 55 64 9 36 33 3 16 Air outlet duct am Es 9 13 32 35 3 64 9 13 32 9 13 22 35 3 64 913 82 9 13 32 35 364 9 13 22 9 3 O unit in Ceiling panel dimensions Ceiling panel dimensions Ceiling panel dimensions 8 la 53 55 64 32 7 8 32 7 8 ns 15 16 15 16 zz EI j a oOo moo Yn 0 ceo 32 5 64 va 97 29 32 65 53 64 O 4 pc Q 2 unit installation Front view n P 4 Right side view Front view Right side view Note Can be installed so that the air dire
55. EMI CONCEALED A type 1 WAY Water drain Air outlet Air intake Ceiling panel optional B CARE AND CLEANING 1 For safety be sure to turn the air conditioner off and also to disconnect the power WARNING before cleaning Do not pour water on the indoor unit to clean it This will damage the internal compo nents and cause an electric shock hazard Air intake and outlet side Clean the air intake and outlet side of the indoor unit with a vacuum cleaner brush or wipe them Indoor unit with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When cleaning the air outlet side be careful not to force the vanes out of place 1 Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe plastic parts using very hot water 2 Some metal edges and the fins are sharp and may cause injury if handled improperly be especially careful when you clean these parts 3 The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center Air filter The air filter collects dust and other particles from the air and should be cleaned at regular intervals as indicated in the table below or when the filter indication EB on the display of the remote control unit wired type shows that the filter needs cleaning If the filter gets blocked the efficiency of the air conditioner drop
56. F08 Compressor intake port temperature sensor RDT F12 High pressure sensor Negative defective N phase F16 Low pressure sensor failure F17 Compressor 3 discharge temp sensor failure DISCH3 F22 Outdoor No 2 coil gas temp sensor EXG2 F23 Outdoor No 2 coil liquid temp sensor EXL2 F24 EEP ROM on indoor unit PCB failure F29 Protective Protective device for compressor EEP ROM on the main or sub outdoor unit PCB has failed F31 device for No 1 is activated Current is not detected when comp No 1 is ON H03 compressor is Discharge gas temperature of the comp No 1 is not detected H05 activated Temp sensor is not seated at the sensor holder Protective device for compressor Overload current is detected H11 No 2 is activated Lock current is detected H12 Current is not detected when comp No 2 is ON H13 Discharge gas temperature of comp No 2 is not detected H15 Protective device for compressor Compressor No 3 current trouble overcurrent H21 No 3 is activated Compressor No 3 current trouble locked H22 Compressor No 3 CT sensor disconnected or short circuit H23 Compressor No 3 discharge temp sensor disconnected H25 Low pressure switch is activated H06 Low oil level H07 Oil sensor fault Comp No 1 oil sensor H08 Disconnection etc Comp No 2 oil sensor H27 Oil sensor connection failure H28 Continued 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 84 Alarm messages displayed on system contr
57. Page 30 F 3 6 5 Checking After Installation Check that there are no gaps between the unit and the ceiling panel or between the ceiling panel and the ceiling surface Gaps may cause water leakage and condensation Check that the wiring is securely connected If it is not securely connected the auto flap will not operate PO9 is displayed on the remote controller In addition water leakage and condensation may occur 3 6 6 When Removing the Ceiling Panel for Servicing When removing the ceiling panel for servicing remove the air intake grille and air filter disconnect the wiring connector inside the electrical component box and then remove the 4 mounting screws 3 6 7 Adjusting the Auto Flap The air direction louver on the ceiling panel outlet can be adjusted as follows Adjust the louver to the desired angle using the remote controller The louver also has an automatic air sweeping mechanism Never attempt to move the louver by hand Proper air flow depends on the location of the air conditioner the layout of the room and furniture etc If cooling or heating seems inadequate try changing the direction of the air flow 3 7 Special Remarks DC Fan Tap Change Procedure Steps Be sure to turn OFF the power at mains before beginning the work below 1 In the table below check the field supply parts that will be used If this setting is not made the airflow may decrease and condensation may occur
58. SECA DSBS SS AE E sla E s uL y o L dep 31 7 64 Installation hole pitch iz 70 5 64 Installation hole pitch Top view Unit in Fig 4 4 55 Anchor bolts Washer 3 29 64 25 32 EET a 8 15 16 F8 M Vibration insulator 1 31 32 Base Unit in The vibration insulator base or platform must be large enough to bear the full surface of the base plate legs Fig 4 2 o 9 o 5 E S o Detailed view of legs zo o x29 oo TEE BESS o g 2 Gl bens es i Y Unit in 4 19 32 x 25 32 hole A 1 33 64 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 56 F 4 3 Routing the Tubing The tubing can be routed out either from the front or from the bottom Fig 4 6 The connecting valve is contained inside the unit Therefore remove the front panel Fig 4 6 1 If the tubing is routed out from the front use cutting pliers or a similar tool to cut out the tubing outlet slit part indicated by RS from the tubing cover Figs 4 5 and 4 6 Remove 11 panel screws from front Fig 4 5 2 If the tubing is routed out from the bottom remove the slit part SS Use a drill bit approximately 13 64 dia to create holes at the 4 slit hole indentations openings Punch out the slit part Be careful not to damag
59. Suspending the Indoor Unit 1 Fix the suspension bolts securely in the ceiling using the method B zz Jat t shown in the diagrams Figs 3 1 and 3 2 by attaching them to the ceiling support structure or by any other method that ensures that the unit will be securely and safely suspended Suspension bolt M10 or 3 8 field supply 2 Follow Fig 3 2 and Table 3 1 to make the holes in the ceiling Fig 3 1 Table 3 1 Unit in mm Type Length A B C D 31 1 32 28 15 32 34 27 32 34 27 32 12 18 24 36 788 723 885 885 3 Determine the pitch of the suspension bolts using the supplied full scale installation diagram The diagram and table Fig 3 3 and Table 3 2 show the relationship between the positions of the suspension fitting unit and panel b suspension bolt qo X Table 3 2 Unit in mm A suspension bolt pitch Type Length A B C D E L J 12 18 24 4 29 64 6 13 16 10 5 64 8 17 64 3 15 32 C ceiling opening dimension dix 113 173 256 210 88 Fig 3 2 36 4 29 64 6 13 16 12 9 16 8 17 64 3 15 32 113 173 319 210 88 Drain outlet other side VP25 Refregerant tubing joint liquid side Refregerant tubing joint gas side F T e eX m e s Li Suspension lug Oo Oo O 2 a QUEE L e si
60. TANT Please Read Before Starting This air conditioning system meets strict safety and operat ing standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual Nu NS If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including fail ure to follow the instructions in this document SPECIAL PRECAUTIONS ETE when wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not suppl
61. When placing the unit inside the ceiling determine the pitch of the suspension bolts referring to the dimensional data on the previous page Fig 3 61 and Table 3 3 Tubing must be laid and connected inside the ceiling when suspending the unit If the ceiling is already constructed lay the tubing into position for connection to the unit before placing the Fig 3 64 unit inside the ceiling Suspension bolt 2 Screw in the suspension bolts allowing them to protrude from the ceiling as shown in Fig 3 63 Cut the ceiling material if Nuts and washers Suspension lug necessary use for upper and lower 3 Thread the 3 hexagonal nuts and 2 washers field supply onto each of the 4 suspension bolts as shown in Figs 3 65 and 3 66 Use 1 nut and 1 washer for the upper part and 2 nuts and 1 washer for the lower part so that the unit will not fall off the suspension lugs Double nuts Notch Fig 3 65 Suspension bolt Hexagonal nut Fig 3 67 shows an example of installation Double nuts AM Bolt anchor DANT Fig 3 66 Suspension bolt i Air intake grille 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 41 F 3 16 Installing the Drain Piping 7 Align the hose band with end of the 1 Prepare standard hard PVC pipe O D 1 1 4 for the drain hose and tighten so that it does not and use the supplied hose band to Contacting bead Dr
62. ade Next bend the tubing with a pipe bender and connect them Insulation 2 After performing a leak test wrap the refrigerant tubing and drain Pig 3 127 hose together with insulating tape as shown in the figure at right Fig 3 128 Then fit the tubing into the tubing storage space in the rear of the Insulating tape 4 Rear panel indoor unit and clamp in place OY 3 Adjust the indoor unit so that it is securely installed onto the rear iy O I inter unit wiring panel Vs Drain hose Fig 3 128 Refrigerant tubing 3 35 Installing the Drain Hose a The drain hose should be slanted downward to the outside Fig 3 129 Indoor unit b Never form a trap in the course of the hose c If the drain hose will run in the room insulate the hose so that A chilled condensation will not damage furniture or floors Slant Foamed polyethylene or its equivalent is recommended A NE Do not supply power to the unit or operate Refrigerant it until all tubing and wiring to the outdoor tubing unit are completed Fig 3 129 53 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 54 dE 3 36 When Using Wireless Remote Controller Instead Of Wired Remote Controller When the wireless remote controller is to be used slide the switch on the indoor unit control PCB If this setting is not made an alarm will occur The operation lamp on the display blinks This setting i
63. ain pan keep the drain hose separate from the refrigerant tubing 2 Wrap the armoring tape from the bottom of the outdoor unit to the top of the tubing where it enters the wall As Clamp Insulated tubes Drain hose you wrap the tubing overlap half of each previous tape turn 3 Clamp the tubing bundle to the wall using 1 clamp approx each ft Fig 6 10 Do not wind the armoring tape too tightly since this will decrease the heat insulation effect Also ensure that the condensation drain hose splits away from the bundle and Fig 6 10 drips clear of the unit and the tubing 6 5 Finishing the Installation Apply putty here After finishing insulating and taping over the tubing use sealing putty to seal off the hole in the wall to prevent rain and draft from entering Fig 6 11 Tubing Fig 6 11 66 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 67 7 AIR PURGING Air and moisture in the refrigerant system may have undesirable effects as indicated below pressure in the system rises operating current rises cooling or heating efficiency drops moisture in the refrigerant circuit may freeze and block capillary tubing water may lead to corrosion of parts in the refrigerant system Therefore the indoor unit and tubing between the indoor and outdoor unit must be leak tested and evacuated to remove any noncondensables and moisture from the system B Air Purging with a Vacuum Pump
64. ainage check Hard PVC prevent water leaks section on drain port Drain hose Hard PVC pipe i ar The PVC pipe must be purchased separately transparent supplied socket VP 25 VP 25 not supplied not supplied The transparent drain part on the unit allows you to check drainage Fig 3 68 Bead Packing supplied Do not use adhesive at the drain connection port on the indoor unit Fig 3 68 e Insert the drain pipe until it contacts the socket as shown in the figure at right then secure it tightly with the hose band Do not use the supplied drain hose bent at a 90 angle The maximum permissible bend is 45 Tighten the hose clamps so their locking nuts face upward Drain insulator supplied Flg 3 68 Vinyl clamps 2 After connecting the drain piping securely wrap the supplied f TON l Fig 3 69 packing and drain pipe insulator around the pipe then secure it with the supplied vinyl clamps Fig 3 69 m NOTE Make sure the drain pipe has a downward gradient 1 100 or more ek COCO and that there are no water traps i Fig 3 7 ANa Do not install an air bleeder as this may eve cause water to spray from the drain pipe outlet Fig 3 70 lt gt 11 13 16 or less 19 11 16 or If it is necessary to increase the height of the drain pipe the Good section directly after the connection port can be raise
65. ation Tube branching methods horizontal use CAUTION such as a basement etc where leak os ing refrigerant can accumulate since refrigerant gas is heavier than air 1 11 Installing Distribution Joint Horizontal A 1 Refer to HOW TO ATTACH DISTRIBUTION JOINT enclosed B A line Vidw as sean with the optional distribution joint kit me from arrow APR CHP680BA APR CHP1350BA APR P160BA Arrow view APR P680BA APR P1350BA 2 When creating a branch using a commercially available T joint header joint system orient the main tubing so that it is Types of vertical trap specifications either horizontal level or vertical In order to prevent accumu When using ball valve lation of refrigerant oil in stopped units if the main tubing is Main tubing horizontal then each branch tubing length should be at an angle that is greater than horizontal If the main tubing is verti cal provide a raised starting portion for each branch Ball valve Indoor unit more than 2 units BV h J If only 1 unit is connected a ball valve 3 If there are height differences between indoor units or if branch aaa kae deeded onithis sida tubing that follows a distribution joint is connected to only 1 Indoor unit 1 unit a trap or ball valve must be added to that distribution joint When adding the ball valve locate it When nopusingSell Valve within 1 3 ft of the distributio
66. authorized changes 5 2 Recommended Wire Length and Wire Diameter for Power Supply System Outdoor unit Type A Power supply Time delay fuse or Wire size Max length circuit capacity CHDX09053 AWG 8 64 ft 60 A CHDX14053 AWG 4 100 ft 80A Indoor unit T B Power supply Time delay fuse or ype AWG 14 circuit capacity K Max 492 ft 15A A X T U Max 426 ft 15A D Max 196 ft 15A Control wiring C Inter unit between outdoor and D Remote control wiring E Control wiring for group control indoor units control wiring AWG 18 0 75 mm AWG 18 0 75 mm AWG 18 0 75 mm Use shielded wiring Use shielded wiring Use shielded wiring Max 3 280 ft Max 1 640 ft Max 1 640 ft Total F Inter outdoor unit control wiring NOTE AWG 18 0 75 mm With ring type wire terminal Use shielded wiring Max 1 640 ft 59 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 60 F 5 3 Wiring System Diagram Indoor unit No 1 Power supply L1 E i 208 230V 10 60Hz L2 Es A e PHI
67. below may occur Be sure to tighten the screws securely Air leakage f a gap remains between the ceiling surface and the ceiling panel even after the screws are tightened adjust the height of the unit again Inter unit control wiring Screw supplied M4 8 or 5 32 5 16 Fig 3 19 1 Wiring cover supplied Power supply outlet Fig 3 19 2 Square hole in unit Push when w you rem Temporary fastener Temporary fastener Fig 3 20 1 Drain tubing corner Refrigerant tubing corner After completing the wiring process install the supplied wiring cover before installing the panel It is not possible to install the wiring cover after installing the panel DRAIN mark Panel installation hole 4 locations REF PIPE mark Washer head screws Fig 3 20 2 Insert a wrench or other tool into the corner cover Do not allow installation hole 2 gaps and make fine Main un adjustments to 3 z the unit nut Ceiling surface Ceiling panel EN Fig 3 21 Fig 3 22 The height of the unit can be adjusted from the ceiling panel corner hole with the ceiling panel attached to an extent that does not affect the unit levelness the drain hose or other elements Air leakage from N t At ceiling surface D z ee a Staining A 6 Condensation water leakage Adjust so that there are no gaps
68. cable external static A Not good Fig 3 84 pressure Max 24 2 x 10 to 31 3 x 10 psi 0 68 0 88 in Aq In the case of small pressure resistance for instance a short duct install a damper for adjusting air flow volume as air flow volume air flow noise increases e If the air conditioner is to be installed in a room such as an office or meeting room which needs a low sound level provide a supply and return noise absorption chamber with an acoustic liner e Include an air filter field supply at the return duct 3 15 16 in Min Inspection plug Min 1 31 32 in 3 23 Indoor Fan Performance Fig 3 85 How to Read the Diagram The vertical axis is the External Static Pressure ps psi e pe en pus per diu iu psi in Aq while the horizontal axis represents RS the Air Flow ft 3 minute The characteristic e iat curve for the H Med and Lo fan speed 29 0 S 0 8 290 10 8 control fs x The nameplate values are shown based on the 2 Z 2 ANN H air flow Therefore in the case of 36 Type 21 8 DNO 0 6 218 128 the flow is 1059 ft 3 minute while the External I I Static Pressure is 0 72 in Aq at H position If E od l a the external static pressure is too great due to 5 long extensio
69. cal wiring Screw 4 For full scale installation diagram Washer 8 For suspending indoor unit from ceiling Screw 1 For fixing the wiring cover Table 1 3 1 Way Air Discharge Semi Concealed Part Name Figure Q ty Remarks Full scale installation diagram E o 1 Printed on container box Drain hose G3 2 1 For securing drain hose Hose band amp 1 For securing drain hose Drain insulator O 1 For drain joint 1 For liquid tube Flare insulator 1 Forgas tube Insulating tape White heat resisting e 2 For gas tube joint Packing 1 For drain joint Washer 8 Forsuspending indoor unit from ceiling Screw 4 For full scale installation diagram Bushing 1 For electrical junction box Table 1 4 Concealed Duct Part Name Q ty Remarks Drain hose 1 For securing drain hose Hose band 1 For securing drain hose Packing 1 For drain joint Drain insulator 1 For drain joint Flare insulator Q TIS E eser Bl 1 For liquid tube Insulating tape White heat resisting e 2 For gas and liquid tubes flare nuts Flare insulator 1 For gas tube Washer 8 For suspending indoor unit from ceiling Sealing putty 2 1 For sealing recessed portion of power supply Vinyl clamp E 8 For flare and drain insulators e Use 3 8 for suspending bolts e Field supply for suspending bolt
70. cations and following local electrical codes and regulations Inter unit control wiring 1 9 32 knock out Eyelet Supplied Powe supply outlet Fig 3 109 50 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 51 E Wall Mounted Type K Type 3 29 Removing the Rear Panel from the Unit 1 Remove the set screws used to fasten the rear panel to the indoor unit during transportation 2 Press up on the frame at the 2 locations shown by the arrows in the figure at right and remove the rear panel Tubing can be extended in 4 directions as shown in Fig 3 111 Select the direction which will provide the shortest run to the outdoor unit 3 30 Selecting and Making a Hole 1 Remove the rear panel from the indoor unit and place it on the wall at the location selected Fix the rear panel and hook the unit onto it temporarily Make sure the unit is horizontal using a carpenter s level or tape measure to measure down from the ceiling 2 Determine which notch of the rear panel should be used Fig 3 112 3 Before drilling a hole check that there are no studs or pipes behind the determined location The above precautions are also applicable if tubing goes through the wall in any other location 4 Using a sabre saw key hole saw or hole cutting drill attach ment make a hole dia 3 5 32 in the wall Fig 3 113 5 Measure the thickness of the wall from the inside
71. ce power is restored using the same settings before the power was interrupted 90 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 91 F 9 4 Ceiling Mounted Type T Type B NAME OF PARTS CEILING MOUNTED Air outlet Water drain Drain pipe can be connected to either the left or right side Air intake grille air intake B CARE AND CLEANING WARNING 1 For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning 2 Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard Air intake and outlet side Clean the air intake and outlet side of the indoor unit with a vacuum cleaner brush or wipe them Indoor unit with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When clean ing the air outlet side be careful not to force the vanes out of place 1 Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe plastic parts using very hot water 2 Some metal edges and the fins are sharp and may cause injury if handled improperly be especially careful when you clean these parts 3 The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center Air filter The air filter collects dust and other particles from the air and should be cleaned at regular
72. cing E l4 Joints Insulation Joints Insulation F Table 1 22 Size of connection point on each part Shown are inside diameters of tubing ULL Size Part A Part B Part C Part D Part E Part F Part G Part H in mm 1 1 8 g1 97 8 93 4 95 8 91 2 93 8 g1 4 i 028 58 925 4 022 22 919 05 015 88 812 7 09 52 26 35 5 APR P1350BA Use For indoor unit Capacity after distribution joint is greater than 232 000 BTU h 68 0 kW and no more than 460 700 BTU h 135 0 kW Example Gas tubing Liquid tubing 6 57 64 4 21 64 MEME MEME 3 13 16 SUM ME j F a TEEST DONS seo B i N H 7 a s A B CD E ius HH rti H i19 Mie G JE Ej Distribution CIB Pisirib tion DC Joint Joint Lj E mcs E i ee JF EE E Insulation TERN EE ae ELI n d i le Reducing oints Insulation 88 E Joints Unit in Table 1 23 Size of connection point on each part Shown are inside diameters of tubing Size Part A Part B Part C Part D Part E Part F Part G Part H Part I Part J in mm g1 1 2 g1 1 4 g1 1 8 g1 97 8 93 4 95 8 91 2 93 8 91 4 i 238 1 031 75 028 58 925 4 922 22 919 05 915 88 912 7 99 52 96 35 16 07
73. cs be easy to use be age resistant and must not easily absorb moisture After a tube has been insulated never try to bend it into a narrow curve because it can cause the tube to break or crack 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 65 F Two tubes arranged together Liquid tubing Gas tubing EE QO Insulation Three tubes arranged together Cosmetic finishing tape Gas tubing Liquid tubing ys Insulation Balance tubing Fig 6 7 Sealer supplied D Insulation tape white supplied a Flare insulator supplied NN insulator Unit ST Y not supplied insulator eat resistant 248 F or above ut Flare n Vinyl clamps supplied Fig 6 8 Refrigerant tubing and insulator not supplied Drain insulator and clamp Drain pipe and insulator Large not supplied supplied a CY Packing _ clamp Small tape hose band Vinyl supplied Flare clamp PU insulator Insulation The procedure used for installing the insulator for both gas and liquid ff tubes is the same Fig 6 9 Never grasp the drain or refrigerant connecting outlets when moving the unit 65 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 66 F 6 4 Taping the Tubes 1 Atthis time the refrigerant tubes and electrical wiring if local codes permit should be taped together with gt et armoring tape in 1 bundle To prevent the condensation from overflowing the dr
74. ction is to the front right left or rear direction 74 1 64 Ceiling panel dimensions 35 3 64 35 3 64 Ceiling panel dimensions unit in Ceiling panel dimensions xw 90S I cN Top Before installation of snowfall protection duct 1 N MN on 317 64 31 7 64 Installation hole pith 7 7 8 aal Installation hole pitch Installation hole pitch _ 0 g 8 n a a A de a 35 3 64 I l Ceiling panel 9 29 64 9 29 64 gt tt gt a ef d 2 11 64 7 8 p 3 p 2 2 H H L p e i g o Md Eee S9 st MEER er DEED lt 2 NI pou o LO T Q Q s dj mo S a M H J S IR Y Y ELSE 92 53 64 Front view 23 Right side view 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 24 F 3 HOW TO INSTALL THE INDOOR UNIT E 4 Way Air Discharge Semi Concealed Type X Type Note For DC Fan Tap Change Procedure 3 1 Preparation for Suspending for 4 Way Cassette see page 30 This unit uses a drain pump Use a carpenters level to check that the E In ancnor X unit is level in plug Concrete Insert W 77 1 7 77 TW 7 77 74 7 3 2
75. d a maximum of 19 11 16 Do not raise it any higher than 19 11 16 as this could result in water leaks Fig 3 71 Do not install the pipe with an upward gradient from the connec Fig 3 71 tion port This will cause the drain water to flow backward and leak when the unit is not operating Fig 3 72 Upward gradient Do not apply force to the piping on the unit side when connecting RI the drain pipe The pipe should not be allowed to hang unsupport Prohibited OCO ed from its connection to the unit Fasten the pipe to a wall frame or other support as close to the unit as possible Fig 3 73 E Fig 3 72 3 17 Checking the Drainage After wiring and drain piping are completed use the following proce S ppo t pisces dure to check that the water will drain smoothly For this prepare a y I bucket and wiping cloth to catch and wipe up spilled water 1 Connect power to the power terminal board R S terminals inside the electrical component box a 2 Remove the tube cover and through the opening slowly pour Fig 3 73 about 0 3 gal of water into the drain pan to check drainage 8 Short the check pin CHK on the indoor control board and oper ate the drain pump Check the water flow through the transparent drain port and see if there is any leakage 41 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 42 F Power supply outlet Be careful si
76. de surface is glossy and smooth Flare tool edge is smooth Fig 6 3 Use RIGID or equivalent A good flare should have the following characteristics tapered sides are of uniform length 63 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 64 Caution Before Connecting Tubes Tightly 1 Apply a sealing cap or water proof tape to prevent dust or water from entering the tubes before they are used 2 Be sure to apply refrigerant lubricant to the matching surfaces of the flare and union before connecting them together This is effective for reducing gas leaks Fig 6 4 3 For proper connection align the union tube and flare tube straight with each other then screw in the flare nut lightly at first to obtain a smooth match Fig 6 5 Adjust the shape of the liquid tube using a tube bender at the installation site and connect it to the liquid tubing side valve using a flare Cautions During Brazing Replace air inside the tube with nitrogen gas to prevent copper oxide film from forming during the brazing process Oxygen carbon dioxide and Freon are not acceptable Do not allow the tubing to get too hot during brazing The nitrogen gas inside the tubing may overheat causing refrigerant system valves to become damaged Therefore allow the tubing to cool when brazing Use a reducing valve for the nitrogen cylinder Do not use agents intended to prevent the formation of oxide film Th
77. door unit upwards until the gap with the ceiling is eliminated Fig 3 56 Ceiling panel f the adjustment is small enough that it will not affect the levelness of the indoor unit or the drain piping then the unit height can be adjusted from the side panel installation holes with the ceiling panel still attached Washer head screw Must be no gap Indoor unit Insert a wrench or other standard tool into the side 1 EZ panel installation holes and make fine adjustments P to the indoor unit nuts Ceiling surface Ceiling panel Fig 3 55 CAUTION If the screws are not fully tightened If there is a gap between the ceiling problems such as those shown below surface and the ceiling panel even may occur Be sure to tighten the when the screws are fully tightened Screws securely readjust the height of the indoor unit Fig 3 56 Air leakage N j Ceiling panel k amp air leakage 3 CEO pe zj 1 Stains oo 0 Adjust so that there is no gap Condensation and water leakage 37 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 38 3 13 3 Wiring the ceiling panel 1 Loosen the 2 screws on the electrical component box lid and remove the lid Fig 3 57 2 Fasten the wiring connector 7P red which comes out from the ceiling panel using the lead wire clamps 2 locations on the unit Then connect it to th
78. e connector 7P red inside the indoor unit electrical component box Fig 3 58 e f the connector is not connected P09 is displayed on the remote controller and the automatic flap will not operate Be sure to securely connect the connec tor Check that the wiring connector is not pinched between the electrical component box and the lid Check that the wiring connector is not pinched between the indoor unit and the ceiling panel 3 13 4 Installing the side panel and intake grille A Installing the side panel 1 Grasp the side panel finger grip and slide the panel in the direction of the arrow to install the side panel Fig 3 59 2 Fasten the side panel onto the ceiling panel using the supplied screws 4 x 12 or 5 32 x 15 32 B Installing the intake grille To install the intake grille follow the procedure for removing it in the reverse order Fig 3 60 When installing the intake grille be careful that the flap lead wire does not become pinched Fig 3 60 3 13 5 Other A Check after installation Check again that there is no gap between the indoor unit and the ceiling panel or between the ceiling panel and the ceiling surface If there is a gap then water leakage and condensa tion may occur Check that the wiring connections are secure If the wiring is not connected the automatic flap will not operate PO9 is displayed on the remote controller In addition wate
79. e holes in the ceiling at al Figs 3 29 and 3 30 ET SESS 2 Depending on the ceiling type os d 83 2 2 Insert suspension bolts as shown in Fig 3 31 S a ee 2 3 5 Use existing ceiling supports or construct a suitable i z x support as shown in Fig 3 32 e e Make sure that the length of suspension bolts from the T a bottom of the unit is 19 32 in or more Fig 3 33 s 9 e Fig 3 29 WARNING Drain pipe connection Be sure to connect the supplied flexible hose 22 3 64 a It is important that you use extreme care in 10 1 32 1 19 64 supporting the indoor unit from the ceiling Ensure that the ceiling is strong enough to support the r weight of the unit Before hanging the unit test the rm ei i strength of each attached suspension bolt S a a3 T eI O O c Oo eo 8 Calculate the suspension bolt pitch using the full N Ong us size installation diagram printed on the package The relationship between the positions of the Flared refrigerant Flared bal o qi connection outlet connection outlet suspension lugs unit and ceiling panel is as liquid tube gas tube Power supply outlet shown in Fig 3 30 Uae Fig 3 30 2 4 Cut the ceiling material if necessary Figs 3 29 and 3 30 If the system requires fresh air to be drawn into the unit Hole in anchor Concret cut and remove the insulation both externally and as meet internally at the location shown as A in Figs 3 34 and i 3 35 lt
80. e of refrigerant tubing sizes Table 1 14 on the second following page 3 Ifthe longest main tube length LM exceeds 164 ft increase the main tube size at the portion before 164 ft by 1 rank for the gas tubes Use a field supply reducer For the portion that exceeds 164 ft set based on the main tube sizes LA listed in the table on the following page 4 Ifthe size of the existing tubing is already larger than the standard tubing size it is not necessary to further increase the size If the existing tubing is used and the amount of on site additional refrigerant charge exceeds the value listed below then change the size of the tubing to reduce the amount of refrigerant Max additional charge for 1 outdoor unit 62 lbs Max additional charge for 2 outdoor units 111lbs 11 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 12 F 1 6 Tubing Size Table 1 9 Main Tubing Size LA Unit in mm BTU h 95 500 153 600 191 100 249 100 307 100 kW 28 0 45 0 56 0 73 0 90 0 Total system horsepower 10 16 20 26 32 10 16 16 Combined outdoor units 10 16 10 10 16 97 8 g1 1 8 g1 1 4 Gas tubing 022 22 028 58 031 75 PERE 93 8 21 2 95 8 g3 4 Liquid tubing 09 52 012 7 015 88 019 05 1 If future extension is planned select the tubing diameter based on the total horsepower after extension However extension is not possible if the resulting tubing
81. e the base plate Indentation 4 locations Slit hole Fig 4 6 56 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 57 4 4 Prepare the Tubing Material Use C1220 phosphorous deoxidized copper as described in JIS H3300 Copper and Copper Alloy Seamless Pipes and Tubes For tubes that are 97 8 222 22 mm or larger use 1 2H material or H material For all others use O material Tubing size Use the tubing size indicated in the table below When cutting the tubing use a tube cutter and be sure to remove any burrs The same applies to distribution tubing optional When bending the tubes bend each tube using a radius that is at least 4 times the outer diameter of the tube When bending use sufficient care to avoid crushing or damaging the tube For flaring use a flare tool and be sure that flaring is performed correctly Refrigerant tubing Existing tubing can be used Use sufficient caution during preparation of the tubing Seal the tube ends by means of caps or taping to prevent dust moisture or other foreign substances from entering the tubes Tubing size in mm Material O Material 1 2H H 21 4 96 35 t1 32 0 8 97 8 022 22 15 128 1 0 93 8 99 52 t1 32 0 8 91 025 4 5 128 1 0 91 2 912 7 t1 32 0 8 1 1 8 028 58 t5 128 1 0 95 8 015 88 t5 128 1 0 g1 1 4 031 75 t3 64 1 1 93 4 019 05 over t5 128 1 0 2
82. e to the characteristics of R410A Some tools for R22 and R407C type refrigerant systems cannot be used New R407C tools Manifold gauge Item tool compatible Remarks with R410A Manifold gauge Yes No Types of refrigerant refrigerating machine oil and pressure gauge are different Charge hose Yes No To resist higher pressure material must be changed Vacuum pump Yes Yes Use a conventional vacuum pump if it is equipped with a check valve If it has no check valve purchase and attach a vacuum pump adapter Leak detector Yes No Leak detectors for CFC and HCFC that Vacuum pump react to chlorine do not function because R410A contains no chlorine Leak detector for HFC134a can be used for R410A Outlet Flaring oil Yes No For systems that use R22 apply mineral oil Suniso oil to the flare nuts on the tubing to prevent refrigerant leakage For machines that use R407C or R410A apply synthetic oil ether oil to the flare nuts Using tools for R22 and R407C and new tools for R410A together can cause defects 4 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 5 F 3 2 Use R410A exclusive cylinder only Valve Single outlet valve with siphon tube Liquid refrigerant should be recharged with the cylinder standing on end as shown New refrigerant R410A cannot be used for earlier models 1 Compressor specifications are different If recha
83. eaking out its density will not exceed a set limit The refrigerant R410A which is used in the air condition er is safe without the toxicity or combustibility of ammonia and is not restricted by laws imposed to protect the ozone layer However since it contains more than air it poses the risk of suffocation if its density should rise excessively Suf focation from leakage of refrigerant is almost non existent With the recent increase in the number of high density buildings however the installation of multi air conditioner systems is on the increase because of the need for effec tive use of floor space individual control energy conserva tion by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared to conventional individual air conditioners If a single unit of the multi air conditioner system is to be installed in a small room select a suitable model and installation pro cedure so that if the refrigerant accidentally leaks out its density does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the density may exceed the limit create an opening with adjacent rooms or install mechanical ventilation combined with a gas leak detection device The density is as given below Total amount of refrigerant Ibs Min volume of the indoor unit installed room ft 3
84. ed close the Lo knob of the manifold valve and turn off the vacuum pump Please confirm that the gauge pressure is under 14 7 psig 7755 mmHg 5 Torr after 4 to 5 minutes of vacuum pump operation CAUTION Use a cylinder designed for use with R410A respectively Charging additional refrigerant Charging additional refrigerant calculated from the liquid tube length as shown in Section 1 8 Additional Refrigerant Gas Charge using the liquid tube service valve Fig 7 5 tube Use a balance to measure the refrigerant accurately If the additional refrigerant charge amount cannot be charged at once charge the remaining refrigerant in liquid form by Liquid using the gas tube service valve with the system in cooling tube operation mode at the time of test run Fig 7 6 Outdoor unit Finishing the job 1 With a hex wrench turn the liquid tube service valve stem counter clockwise to fully open the valve i CAUTION To avoid gas from leaking when Fig 7 5 removing the charge hose make sure the stem of the gas tube is J turned all the way out BACK SEAT position 2 Turn the gas tube service valve stem counter clockwise to fully open the valve 3 Loosen the charge hose connected to the gas tube service Gas port 5 16 slightly to release the pressure then remove the tube hose 4 Replace the 1 4 in flare nut and its bonnet on the gas tube service port and fasten the
85. eiling material if 2 sets E necessary Q eo 8 Suspend and fix the indoor unit using the 2 hexagonal nuts TA field supply and special washers supplied with the unit as E shown in Fig 3 81 A Fig 3 81 cA Fig 3 82 44 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 45 F 3 21 Installing the Drain Piping 1 Prepare standard hard PVC pipe O D 1 1 4 for the drain and use the supplied drain socket to prevent water leaks The PVC pipe must be purchased separately Ew When doing this apply adhesive for the PVC pipe at the s connection point 2 If connecting a drain joint supplied to the threaded inis drain port first wrap the drain port threads with sealing tape then connect the joint Fig 3 83 3 After connecting the drain pipe securely wrap insulator field supply around the pipe 4 Ensure the drain pipe has a downward gradient 1 100 or more and prepare traps as indicated in Fig 3 84 5 Also in another part of the pipe arrangement prepare Drain opening 25A or 1 11 32 male screw Fig 3 83 Sealing tape C Drain joint supplied Downward gradient Min 1 100 traps with an inspection plug to clean dust or debris that O Good may cause leaking of water Fig 3 85 6 After connecting the drain piping slowly pour water into the drain pan to check that the water drains smoothly 3 22 Caution for Ducting Work e This unit has high static pressure appli
86. eiling surface and indoor unit are as shown in Fig 3 47 If the positions of the ceiling surface and indoor unit are not correct problems such as air leakage water leakage and flap operation trouble may occur Do not rest the panel facing downwards lean up against a wall or leave it sitting on top of a protruding object Doing so may scratch the panel surface Do not apply excessive force to the flap Doing so may damage the flap Ceiling surface Fig 3 47 35 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 36 F Removing the intake grille Slide the intake grille hooks 2 locations in the direction of the arrow to open the intake grille fig 3 49a When the intake grille is open press a flathead screwdriver against the rear tabs 2 locations and pull Fig 3 49a out the intake grille Fig 3 49b Removing the side panel Grasp the finger grip on the side panel and slide the panel in the direction of arrow 1 to remove the panel There are 2 panels 1 each on the left and right sides Fig 3 51 d A A Intake grille Press on the tabs with a flathead minus screwdriver while pulling out the intake grille Side panel Fig 3 51 3 13 2 Installing the ceiling panel Hook receiver Press to remove 1 Fasten the hooks on both sides of the ceiling panel to the indoor unit The hooks on one side 2 locations are stationary while the hook on the other Stat
87. er of indoor units does not match the number that was set Automatic address setting is in progress Alternating o o Automatic address setting completed At time of automatic address setting the number of indoor units did not match the number that was set Simultaneous AN when indoor units are operating indication appears on the display Refer to Table of Self Diagnostic Functions and Description of Alarm Displays Alternating Note A indicates that the solenoid is fused or that there is a CT detection current failure current is detected when the compressor is OFF Remote controller display SANA is blinking 79 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 80 F Request concerning recording the indoor outdoor unit combination Nos After automatic address setting has been completed be sure to record them for future reference List the outdoor main unit system address and the addresses of the indoor units in that system in an easily visible location next to the nameplate using a permanent marking pen or similar means that cannot be abraded easily Example Outdoor 1 Indoor 1 1 1 2 1 3 Outdoor 2 Indoor 2 1 2 2 2 3 These numbers are necessary for later maintenance Please be sure to indicate them Checking the indoor unit addresses Use the remote controller to check the indoor unit address If 1 indoor unit is connected to 1 remote controller 1 Press and hold t
88. er to energize the crank case heater After performing the leak inspection applying vacuum and performing refrigerant charge for the tubing which is connected on site fully open the outdoor unit service valve However if only one outdoor unit is installed a balance tube is not used Therefore leave the valve fully closed When replacing the control PCB be sure that the settings on the new PCB match those on the old PCB Use caution when making the settings If there are duplicated system addresses or if the settings for the Nos of the indoor units are not consistent an alarm will occur and the system will not start These settings are not made on the indoor unit PCB connected to more than 1 refrigerant System Set the system address d Refer to Fig 8 4 When multiple outdoor main units exist disconnect the terminals extended from the shorted plugs CN003 at all outdoor main unit PCBs except for 1 Alternatively move the sockets to the OPEN side Note It is not necessary to remove the socket that is used to short circuit the terminal plugs from the outdoor sub unit PCBs YES ls it possible to turn ON the power only CASE 2 for the 1 refrigerant system where the test run will paroma NO Y Will automatic address setting be NO performed in Heating mode D CASE 3B pe CASE 3A Is it OK to start the co
89. erformance B Ceiling Mounted Type T Type 3 24 Required Minimum Space for Installation and Service 3 25 Suspending the Indoor Unit 3 26 Duct for Fresh Air 3 27 Shaping the Tubing 3 28 Installing the Drain Piping B Wall Mounted Type K Type 3 29 Removing the Rear Panel from the Unit 3 30 Selecting and Making a Hole 3 31 Installing the Rear Panel onto the Wall 3 32 Removing the Grille to Install the Indoor Unit 3 33 Preparing the Tubing 3 34 Shaping the Tubing 3 35 Installing the Drain Hose 3 36 When Using Wireless Remote Controller Instead of Wired Remote Controller 4 HOW TO INSTALL THE OUTDOOR UNIT 55 4 1 Transporting 4 2 Installing the Outdoor Unit 4 3 Routing the Tubing 4 4 Prepare the Tubing 4 5 Connect the Tubing 5 ELECTRICAL WIRING 59 5 1 General Precautions on Wiring 5 2 Recommended Wire Length and Wire Diameter for Power Supply System 5 8 Wiring System Diagram 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 7 s 6 HOW TO PROCESS TUBING 63 6 1 Connecting the Refrigerant Tubing 6 2 Connecting Tubing Between Indoor and Outdoor Units 6 3 Insulating the Refrigerant Tubing 6 4 Taping the Tubes 6 5 Finishing the Installation 7 AIR PURGING eee 67 Wi Air Purging with a Vacuum Pump for Test Run Preparation 8 TEST RUN eI ak ee eee a Soe 70 8 1 Preparing for Test Run 8 2 Test Run Procedure 8 3 Main Outdoor Unit PCB Setting 8 4 Aut
90. ese agents adversely affect the refrigerant and refrigerant oil and may cause damage or malfunctions 6 2 Connecting Tubing Between Indoor and Outdoor Units 1 Tightly connect the indoor side refrigerant tubing extended from the wall with the outdoor side tubing 2 To fasten the flare nuts apply specified torque as at right When removing the flare nuts from the tubing connections or when tightening them after connecting the tubing be sure to use 2 monkey wrenches or spanners as shown Fig 6 6 If the flare nuts are over tightened the flare may be damaged which could result refrigerant leakage and cause in injury or asphyxiation to room occupants For the flare nuts at tubing connections be sure to use the flare nuts that were supplied with the unit or else flare nuts for R410A type 2 The refrigerant tubing that is used must be of the correct wall thickness as shown in the table at right 64 9 Apply refrigerant lubricant here and here Fig 6 4 A Union Flare nut Fig 6 5 Torque wrench Spanner Indoor unit Outdoor unit Fig 6 6 Tube diameter mes Vr Tube thickness LLL RTI NE IER RN LLLI x T7 NE sss EO oben NUT 03 4 019 05 mm pog 1200 Wg om omm Because the pressure is approximately 1 6 times higher than conventional refrigerant pressure the use of ordinary flare nuts type 1 or thin walled tubes may result in tube rupture injur
91. ess Do not use adhesive when connecting the supplied drain hose to the drain port either on the main unit or the PVC pipe Attach so that the hose band fastener is Wrap the hose with the supplied drain hose insulation and use the on the side of the drain port Fig 3 108 4 twist ties so that the hose is insulated with no gaps Attach the hose bands so that each is Connect the drain piping so that it slopes downward from the unit approximately 13 64 63 64 in from the to the outside Fig 3 107 end of the supplied drain hose 49 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 50 Never allow traps to occur in the course of the piping e Insulate any piping inside the room to prevent drip ping After the drain piping pour water into the drain pan to check that the water drains smoothly e If the drain hose is to be raised use the optional drain up kit The drain hose can be raised 23 5 8 above the top of the main unit For details refer to the manual of the optional part fthe drain hose is routed through the left side refer to Fig 3 105 and follow the procedure above to install the hose Re attach the rubber stopper that was earlier removed onto the right side The rubber stopper can be inserted easily by using a screwdriver or similar tool to press the stopper into the drain port on the main unit Press the stopper into the main unit drain port as far as it will go Drai
92. ets for blockage if there is a blockage remove it Care Before a prolonged idle period Operate the fan for half a day to dry out the inside Disconnect the power supply and also turn off the circuit breaker Clean the air filter and replace it in its original position Outdoor unit internal components must be checked and cleaned periodically Con tact your local dealer for this service E TROUBLESHOOTING If your air conditioner does not work properly first check the following points before requesting service If it still does not work properly contact your dealer or a service center Trouble Possible Cause Remedy Air conditioner does not run at all 1 Power failure 1 After a power outage press ON OFF operation button on the wired remote control unit 2 Leakage circuit breaker has tripped 2 Contact service center 3 Line voltage is too low 3 Consult your electrician or dealer 4 Operation button is turned off 4 Press the button again 5 The wired remote control unit or heat pump is 5 Consult your dealer malfunctioning The inspection mark A and the letters E F H L P in combination with numbers appear on the LCD of the wired remote control unit Compressor runs but soon stops 1 Obstruction in front of condenser coil 1 Remove obstruction Poor cooling or heating performance 1 Dirty or clogged air filter 1 Clean air filter to improve the airflow 2 Heat source or many people in room 2
93. flare nut securely with an Outdoor unit adjustable wrench or box wrench This process is very Liquid important to prevent gas from leaking from the system tube 5 Replace the valve caps at both gas and liquid service valves and fasten them securely This completes air purging with a vacuum pump The air condi T alance tioner is now ready for a test run tube 69 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 70 F 8 TEST RUN 8 1 Preparing for Test Run Before attempting to start the air conditioner check the following 1 All loose matter is removed from the cabinet especially steel filings bits of wire and clips ON Power must be turned ON at least 5 hours before attempting test run 2 The control wiring is correctly connected and all electrical connections are tight 3 The protective spacers for the compressor used for transportation have been removed If not remove them now Power mains switch 4 The transportation pads for the indoor fan have been Fig 8 1 removed If not remove them now 5 The power has been connected to the unit for at least 5 hours before starting the compressor The bottom of the compressor should be warm to the touch and the crankcase heater around the feet of the compressor should be hot to the touch Fig 8 1 6 Both the gas and liquid tube service valves are open If e OD not open them now Fig 8 2
94. for Test Run Preparation Check that each tube both liquid and gas tubes between the indoor and outdoor units have been properly connected and all wiring for the test run has been completed Remove the valve caps from both the gas and liquid service valves on the outdoor unit Note that both liquid and gas tube service valves on the outdoor unit are kept closed at this stage Leak test 1 With the service valves on the outdoor unit closed remove the 5 16 flare nut and its bonnet on the gas tube service valve Save for reuse 2 Attach a manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses CAUTION Use a manifold valve for air purging If it is not available use a stop valve for this purpose The Hi knob of the manifold valve must always be kept closed 3 Pressurize the system to no more than 469 psig 33 kgf cm2G with dry nitrogen gas and close the cylinder valve when the gauge reading reaches 469 psig 33 kgf cm2G Then test for leaks with liquid soap CAUTION To avoid nitrogen entering the refrigerant system in a liquid state the top of the cylinder must be higher than the bottom when you pressurize the system Usually the cylinder is used in a vertical standing position 67 Manifold gauge Vacuum pump Outlet Pressure gauge _L Nitrogen gas cylinder In vertical standing position Gas tube Outdoor
95. frigerant tubing drain hose power inlet port remote controller wiring inlet port Rear outlet port Inter unit control wiring 10 5 16 Left side drain hose biis Eun d e 4 50 64 2 53 64 Right side drain outlet port 03 15 16 knock out hose outlet port 4 ee ad sk r E TNE Power supply outlet A 5 01 3 16 knock out J i d 2 Rear tubing hole uoc 4 Left side drain 13 21 32 Side panel Position of plate hose outlet port inside side panel Side panel Unit in 1 Use a compass saw jig saw or similar tool and cut along the indented portion of the side panel Fig 3 89 46 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 47 F 4 Wall and ceiling side opening position Figure shows view from front Figure shows view from top 4 Ceiling Wall LI B 93 15 16 ceiling opening D 3 15 16 wall side opening 3 35 64 93 15 16 wall side opening S 9 16 3 15 16 ceiling opening for left side drain hose If the optional drain up kit is installed create a 3 15 16 hole along the dotted line part marked with in figure Fig 3 90 3 25 Suspending the Indoor Unit zum eiling 1 Place the full scale diagram supplied on the ceiling P at the spot where you want to install the indoor unit o Q Wall Use a pencil to mark the drill holes Fig 3
96. g Refer to Automatic Address Setting from Remote Controller 77 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 78 Case 3B Automatic Address Setting in Cooling Mode Indoor and outdoor unit power cannot be turned ON for each system separately In the following automatic setting of indoor unit addresses is not possible if the compressors are not operating Therefore perform this process only after completing all refrigerant tubing work Automatic address setting can be performed during Cooling operation Automatic Address Setting from Outdoor Unit 1 Case 2 Perform steps 1 4 in the same way as for 5 Turn the indoor and outdoor unit power ON at all systems 6 To perform automatic address setting in J Cooling mode on the outdoor main unit control PCB in the refrigerant system where you wish to set the addresses short circuit the mode change 2P pin CN101 At the same time short circuit the automatic address pin CN100 for 1 second or longer then release it Be sure to perform this process for one system at a time Automatic address settings cannot be performed for more than one system at the same time 4 Communication for automatic address setting begins the compressors turn ON and automatic address setting in Cooling mode begins All indoor units operate To cancel again short circuit the automatic address pin CN100 for 1 second or longe
97. he PVC pipe in the wall Fig 3 103 Fig 3 100 The hole should be made at a slight downward slant to the outside Outdoor side Fig 3 102 48 Suspension bolt H field supply 4 Washer field supply Unit We Washer supplied Double nut field supply Fig 3 98 A A 7 d Washer supplied field supply Suspension bolt Fig 3 99 mw PVC pipe locally purchased pipe locally p INSIDE lt gt Wall oe Muro an _ Slight Cut at slight angle Fig 3 103 OUTSIDE PVC pipe 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 49 F 3 26 Duct for Fresh Air There is a duct connection port knock out hole at the right Rear outlet port rear of the top panel of the indoor unit for drawing in fresh air initer unit control wiring siis h b 91 3 16 knock out use rubber grommet If it is necessary to draw in fresh air remove the cover y Outside ridi ducteornecien pon opening the hole and connecting the duct to the indoor unit 3 15 16 knock out mS through the connection port Fig 3 104 LIS ae E Power supply outlet oye 91 3 16 knock out 1 3 27 Shaping the Tubing Rear tubing A E i The positions of the refrigerant tubing connections are S jeji HMM EE shown in the figure below The tubing can be routed in 3 directions When routing the tubing out through the t
98. he button and button for 4 seconds or longer simple settings mode 2 The address is displayed for the indoor unit that is connected to the remote controller Only the address of the indoor unit that is connected to the remote controller can be checked 3 Press the button again to return to normal remote controller mode If multiple indoor units are connected to 1 remote controller group control 1 Press and hold the button and 1 button for 4 seconds or longer simple settings mode ALL is displayed on the remote controller 2 3 Next press the button 4 The address is displayed for 1 of the indoor units which is connected to the remote controller Check that the fan of that indoor unit starts and that air is discharged 5 Press the button again and check the address of each indoor unit in sequence 6 Press the button again to return to normal remote controller mode Number changes to indicate which indoor unit is currently selected 8 5 Remote Controller Test Run Settings 1 Press the remote controller button for 4 seconds or longer Then press the button TEST RUN appears on the LCD display while the test run is in progress The temperature cannot be adjusted when in Test Run mode This mode places a heavy load on the machines Therefore use it only when performing the test run 2 The test run can be performed using the HEAT COOL or FAN operation modes Note The outdoor units will not o
99. he indoor unit until a click sound is heard and the gt indoor unit is securely fastened to the installation tabs on the Press lower side of the rear panel Fig 3 124 Raising the clamp to lift up the indoor unit will facilitate this work Fig 3 124 Fig 3 125 To remove the indoor unit press up on the 2 locations A marks on the lower part of the unit frame to disconnect the installation tabs Refer to Section 3 1 Removing the Rear Panel from the Unit Fig 3 110 Then lift up the indoor unit to remove it Clamp SSG 3 34 Shaping the Tubing Right rear tubing Fig 3 125 1 Shape the refrigerant tubing so that it can easily go into the hole Rear panel tab Fig 3 126 a Insulating tape f 2 After performing a leak test wrap both the refrigerant tubing and Rond drain hose together with insulating tape The drain hose should be positioned below the refrigerant tubes SSNNSAAANAS and should be given sufficient space so that no strong tension is applied to it Indoor and outdoor unit connection wiring 3 Push the wiring refrigerant tubing and drain hose through the hole Plasticicover in the wall Adjust the indoor unit so it is securely seated on the rear panel Fig 3 126 Left or left rear tubing 1 Pass the tubing and drain hose into the rear of the indoor unit Provide sufficient length for the connections to be m
100. heating performance 1 Dirty or clogged air filter 1 Clean air filter to improve the airflow 2 Heat source or many people in room 2 Eliminate heat source if possible 3 Doors and or windows are open 3 Shut them to keep the heat or cold out 4 Obstacle near air intake or air discharge port 4 Remove it to ensure good airflow 5 Thermostat is set too high for cooling 5 Set the temperature lower or higher or too low for heating 6 Defrosting system does not work 6 Consult your dealer B Tips for Energy Saving Avoid Do not block the air intake and outlet of the unit If either is obstructed the unit will not work well and may be damaged Donotlet direct sunlight into the room Use sunshades blinds or curtains If the walls and ceiling of the room are warmed by the sun it will take longer to cool the room Do Always try to keep the air filter clean Refer to Care and Cleaning A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed NOTE Should the power fail while the unit is running If the power supply for this unit is temporarily cut off the unit will automatically resume operation once power is restored using the same settings before the power was interrupted 86 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 87 F 9 2 1 Way Air Discharge Semi Concealed Type A Type E NAME OF PARTS S
101. ide LB 16 ft l A 7ft Q 1 98ft LC 16 ft l B 7ft l 2 16ft l 3 16ft l 4 65ft 17 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 18 F Obtain liquid tubing size from Tables 1 9 10 11 12 and 15 Main tubing LA 95 8 ft Total capacity of indoor unit is 179 400 BTU h The longest tubing length in this example LB 21 2 ft Total capacity of indoor unit is 131 600 BTU h LA 131 ft LC 93 8 ft Total capacity of indoor unit is 83 800 BTU h Distribution joint tubing Outdoor side l A g3 8 ft 1 B e3 8 ft from outdoor unit connection tubing Indoor side l 1 93 8 ft 9 2 03 8 ft 1 3 93 8 f L 4 3 8 ft from indoor unit connection tubing Obtain charge amount for each tubing size Note that the charge amounts per 1 meter are different for each liquid tubing size 95 8 ft gt LA 181 ft x 1 99 oz ft 261 oz 91 2 ft gt LB 16 ft x 1 38 oz ft 220z 93 8 ft gt LC 28A B 21 4 225ft x 0 602 oz ft 1350z Total 418 oz Additional refrigerant charge amount is 418 oz CAUTION Be sure to check the limit density for the room in which the indoor unit is installed Checking of limit density Density limit is determined on the basis of the size of a room using an indoor unit of minimum capacity For instance when an indoor unit is used in a room floor area 161 ft x ceiling ft 3 ft 2 height 8 8 ft room volume 1417 ft 3 the graph at righ
102. illes and remove them by pushing the claws of the hinges as shown in Fig 3 95 Then remove both side panels sliding them along the unit toward the front after removing the 2 attachment screws Fig 3 96 6 Carry out the preparation for suspending the indoor unit The suspension method varies depending on whether there is a suspended ceiling or not Figs 3 97 and 3 98 7 Suspend the indoor unit as follows a Mount 1 washer and 2 hexagonal nuts on each suspension bolt as shown in Fig 3 99 b Lift the indoor unit and place it on the washers through the notches in order to fix it in place Fig 3 100 c Tighten the 2 hexagonal nuts on each suspension bolt to suspend the indoor unit as shown in Fig 3 101 The ceiling surface is not always level Please confirm that the indoor unit Slide toward front side NU N Side panel Fig 3 96 Suspension bolt field supply LALLA t q SO caino surface Washer supplied Double nut Fixture field supply Fig 3 97 is evenly suspended For the installation to be correct leave a clearance of about 3 8 between the ceiling panel and the ceiling surface and fill the gap with an appropriate insulation or filler material 8 If the tubing and wiring are to go towards the rear of the unit make holes in the wall Fig 3 102 9 Measure the thickness of the wall from the inside to the outside and cut PVC pipe at a slight angle to fit Insert t
103. ini Address setting can be executed by remote controller BAAN automatically Refer to page 74 78 CDD CDKDKDI 4 L1 2 L2 U1 U2 Power Inter unit supply control wiring K Type 60 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 61 F 1 When linking outdoor units in a network S net link system disconnect the terminal extended from the short plug CN003 2P Black location right bottom on the outdoor main control PCB from all outdoor units except any one of the outdoor units When shipping In shorted condition Otherwise the communication of S net link system is not performed For a system without link no connection wiring between outdoor units do not remove the short plug 2 Do not install the inter unit control wiring in a way that forms a loop Fig 5 1 N im Prohibited P 7A a e XK Prohibited Indoor unit Indoor unit Fig 5 1 3 Do not install inter unit control wiring such as star branch wiring Star branch wiring causes mis address setting Outdoor unit 4 NO gt 3 T Branch point Fig 5 2 Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit 4 If branching the inter unit control wiring the number of branch points should be 16 or fewer Branches less than 3 3 ft are not included in the total branch number Fig 5 3 77 7 7 77 77 of of Crem Rat wu Cr lt more than 3 3 ft Indoor unit Indoor u I
104. intervals as indicated in the table below or when the filter indication EB on the display of the remote control unit wired type shows that the filter needs cleaning If the filter gets blocked the efficiency of the air conditioner drops greatly Type Period NOTE T 2 weeks The frequency with which the filter should be cleaned depends on the environment in which the unit is used lt How to clean the filter gt 1 Remove the air filter from the air intake grille 2 Use a vacuum cleaner to remove light dust If there is sticky dust on the filter wash the filter in lukewarm soapy water Air filter finger hold rinse it in clean water and dry it vd Air intake grill How to remove the filter 1 Take hold of the finger hold on Air intake grill the air intake grille and press it finger hold to the rear and the grille will open downward 2 Take hold of the finger hold on the air filter pull it toward you Air filter finger hold Take hold of the finger hold on the air filter pull it toward you 91 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 92 F 1 Certain metal edges and the condenser fins are sharp and may cause injury if handled CAUTION improperly special care should be taken when you clean these parts 2 Periodically check the outdoor unit to see if the air outlet or air intake is clogged with dirt or soot 3 The internal coil and other components of the outdoor uni
105. ionary hook C side is moveable Fig 3 52 a 2 2 Angle the panel somewhat and fasten the stationary Moveable hook hook into the fastener on the side of the unit Fig 3 53 3 After verifying that the hook is fastened press the other end up until the ceiling panel is level Then press upwards until the moveable hook is fastened into the fastener on the unit 4 Verify that the hooks on both sides of the ceiling Moveable hook panel are securely fastened to the unit If the hooks are not securely fastened the panel may fall At this Fig 3 52 point the panel is now provisionally fastened to the unit When removing the panel press the movable hook toward the inside while supporting the panel Fig 3 53 36 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 37 F 5 Align the installation holes on the panel with the bolt holes on the unit Indoor unit 6 Insert the supplied washer head bolts into the 4 Ae panel installation holes and tighten until the panel is securely fastened against the unit Fig 3 54 7 Verify that the panel is securely fastened against the unit Atthis time make sure that there is no gap between the indoor unit and the ceiling panel or between the ceiling panel and the ceiling surface Fig 3 55 f there is a gap between the ceiling panel and the ceiling leave the panel attached and adjust the installation height of the in
106. iquid tubing ees 6 59 64 4 21 64 Ba Pee o dao beeen pee aaa THO E i 5 5 16 j i o mei i J 1 j F i Ie E ey vs IEE32 B D DEF ge G B i S bct E 9 w WM oko o tes aera eee o tEB R IH re ae eee me Distribution Distribution O Joint OH Joint LL l TEE Reducing Jo Insulation Joints Reducing a Joints Insulation Unit in Table 1 19 Size of connection point on each part Shown are inside diameters of tubing Size Part A Part B Part C Part D Part E Part F Part G Part H Part in mm g1 1 2 g1 1 4 g1 1 8 g1 97 8 93 4 95 8 91 2 93 8 i 38 1 031 75 028 58 925 4 922 22 g19 05 915 88 912 7 99 52 2 APR CHP1350BA For outdoor unit Capacity after distribution joint is greater than 232 000 BTU h 68 0 kW and no more than 460 700 BTU h 135 0 kW Example Gas tubing Liquid tubing 6 57 64 4 21 64 i H A n B F R T a N CD E NN EP fFE 2 Distribution B pee Joint Distribution Dn EDI IE Joint y ES een l 4 Insulation So Reducing 7 9 V Me eu 7 Reducing Unit in Insulation Joints Table 1 20 Size of connection point on each part Shown are inside diameters of tubing
107. meplate then carry out the wiring locality For field wiring rules please refer to your closely following the wiring diagram LOCAL ELECTRICAL CODES before beginning 2 Provide a power outlet to be used exclusively for each You must ensure that installation complies with all unit and a power supply disconnect and circuit breaker relevant rules and regulations for overcurrent protection should be provided in the 8 To prevent malfunction of the air conditioner caused by exclusive line electrical noise care must be taken when wiring as 3 To prevent possible hazards from insulation failure the follows unit must be grounded The remote control wiring and the inter unit control wiring 4 Each wiring connection must be done in accordance should be wired apart from the inter unit power wiring with the wiring system diagram Wrong wiring may Use shielded wires for inter unit control wiring between cause the unit to misoperate or become damaged units and ground the shield on both sides b Do not allow wiring to touch the refrigerant tubing 9 If the power supply cord of this appliance is damaged it must be replaced by a repair shop appointed by the 6 Unauthorized changes in the internal wiring can be very manufacturer because special purpose tools are dangerous The manufacturer will accept no required compressor or any moving parts of the fan responsibility for any damage or misoperation that occurs as a result of such un
108. mpressors ls it OK to start the compressors Turn ON the indoor and outdoor unit power Turn ON the indoor and gt Y urn ON the indoor and outdoor unit power for that refrigerant system only Make necessary corrections A Short circuit the automatic address pin CN100 on the outdoor main unit PCB for 1 second or longer then release it NO outdoor unit power 5 Make necessary Turn OFF the indoor and outdoor unit power Y A LED 1 and 2 blink alternately Check the alarm contents about 2 or 3 minutes A Are LEDs 1 and 2 on the outdoor unit PCB OFF CN v Short circuit the mode change pin 01 on the outdoor main unit PCB At the same time short circuit the utomatic address pin CN100 for 1 second or longer then release it Short circuit the automatic address pin CN100 on the outdoor main unit PCB for 1 second or longer then release it 3 i 8 Y corrections Refer to Table of Self Diagnostic Functions and Description of Alarm Displays YES Turn OFF the indoor and outdoor unit power Start indoor and outdoor unit cooling operation LED 1 and 2 blink alternately Start indoor and outdoor unit LED 1 and 2 blink alternately heating operation Check the alarm contents
109. n joint vee Fiorizont l If a trap or ball valve is not added do not operate the sys Indoor unit Each unit is connected tem before repairs to a malfunctioning unit are Branch tubing is a directed upward completed The refrigerant oil sent through the tubing to P downward the malfunctioning unit will accumulate and may damage More than 8 inch the compressor inc Indoor unit is directed downward 14 07 007 W 2WAY II NA 1 23 0 7 6 09 PM Page 15 1 12 Optional Distribution Joint Kits See the installation instructions packaged with the distribution joint kit for the installation procedure Table 1 18 Model name Cooling capacity after distribution Remarks 1 APR CHP680B A 232 000 BTU h 68 0 kW or less For outdoor unit 2 APR CHP1350 BA 460 700 BTU h 135 0 kW or less For outdoor unit 3 APR P160BA or less For indoor unit 4 APR P680BA 5 APR P1350BA 76 400 BTU h 22 4 kW 232 000 BTU h 68 0 kW or less 460 700 BTU h 135 0 kW or less For indoor unit For indoor unit B Tubing size with thermal insulation 1 APR CHP680BA For outdoor unit Capacity after distribution joint is 232 000 BTU h 68 0 kW or less Example Gas tubing L
110. n of duct for example the air flow ui ui Ww volume may drop too low at each air outlet 7 8 MHI o2 7 8 102 T ne vai e 0 883 1059 1236 Air Flow ft 3 minute H At shipment Fig 3 86 1059 1236 1412 Air Flow ft 3 minute 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 46 F E Ceiling Mounted Type T Type 3 24 Required Minimum Space for Installation and Service 1 Dimensions of suspension bolt pitch and unit e T it in d B C able 3 6 Unit in z poem Dimension A B c 4 i Type Air intake 12 18 33 21 32 35 53 64 8 17 64 i NES 24 44 19 64 46 29 64 8 17 64 SE i we Ceilin S E amp By rm A 15 64 A 1 5 64 Suspension bolt pitch Air outlet Fig 3 87 Unit in 2 Refrigerant tubing drain hose position Rear figure shows view from front 2 21 64 3 61 64 Left si g eft side zelek T 313 16 3 Right side 8 112 _ i E Liquid tubing 1 e 2 e Gas tubing Y ry ox 3 J amp p D T gt i p Y S S 9 7 8 S e Left drain position Right drain position Closed with rubber stopper at time of shipment Unit in Fig 3 88 3 Unit opening position Re
111. n port Screwdriver _ EE d Rubber stopper How to carry out power supply wiring 1 Wiring connection ports The power inlet ports are located at the rear and top The remote controller wiring inlet ports are located at the rear and top for use with the wired remote controller For details refer to Fig 3 104 For the method used to insert the wiring refer to the figure below Fig 3 109 When removing the fastening bracket from the cover of the electrical component box use caution to avoid dropping the bracket Twist tie 4 ties supplied i de Hard PVC pipe Unit drain port ni nose equivalentto Position to ae nied VP 20 fasten hose pp Field supply bands D s ERI Drain hose supplied 13 64 3 64 Mz 63 64 163 64 5 33 64 Hose band 2 bands supplied Unit drain pan ind P Unit in Fig 3 108 Check local electrical codes and regulations before wiring Also check any specified instruction or limitations 2 How to carry out wiring Open the knock out hole on the rear or top of the main unit Attach the supplied rubber grommet and pull the power wiring into the main unit Feed the wiring into the wiring inlet port on the electrical component box Connect the wiring to the terminal plate and fasten in place with the supplied clamp Perform electrical and grounding work in accordance with the package A C power specifi
112. n the nuts on Fig 3 5 the upper side and lower side of the suspension lug 5 Remove the protective polyethylene used to protect the fan parts during transport socket Hard PVC pipe 3 4 Installing the Drain Piping TS um ds Supplied VP28 VP 25 ii 1 Prepare a standard hard PVC pipe O D 1 1 4 in for drain port 4 drain hose ee Field supply the drain and use the supplied drain hose and hose band to prevent water leaks The PVC pipe must be purchased separately The Y l unit s transparent drain port allows you to check Align the Pose packing vv adhesive drainage Fig 3 6 band with the end supplied of the pipe N CAUTION T e Insert the drain pipe until it contacts the socket as shown in Fig 3 6 then secure it tightly with the hose band Do not use adhesive when connecting the supplied hose Reasons 1 It may cause water to leak from the connection Since the connection is slippery just after the adhesive has been applied the pipe easily slips off 2 The pipe cannot be removed when maintenance is needed Fig 3 7 Do not bend the supplied drain hose 90 or more The hose may slip off Align the hose bands with the end of the hose Tighten the hose band firmly Please make sure that the bead is not covered by the hose band Fig 3 6 Tighten the hose clamps so their locking nuts face upward Fig 3 8 Fig 3 6 ay
113. nce the fan will start when you short the pin on the indoor control board Inter unit control wiring 4 When the check of drainage is complete open the check pin CHK and remount the insulator and drain cap onto the drain inspection port 3 18 Increasing the Fan Speed If external static pressure is too great due to long extension of ducts for example the air flow volume may drop too low at each air outlet This problem may be solved by increasing the fan speed using the following procedure 1 Remove 4 screws on the electrical component box and remove the cover plate 2 Disconnect the fan motor sockets in the box 8 Take out the booster cable sockets at both ends clamped in the box Indoor Fan Performance 4 Securely connect the booster cable sockets between the disconnected fan motor sockets in step 2 as shown in Qd03ps 12 TYPE nag xtosps TB TYPE is Ag Fig 3 75 21 8 0 6 21 8 0 6 5 Place the cable neatly in the box and reinstall the cover plate S e e S 9 14 5 S 0 4 9 14 5 Bj 0 4 amp J Electrical component box E TA pn K 2 ES 2 x Boosier cable ry HT ry T N T N Booster cabl ooster cable 73 0 2 E 7 3 HT 0 2
114. ncy of the air conditioner drops greatly Type Period 2 weeks The frequency with which the filter should be cleaned depends on the environment in which the How to clean the filter How to remove the filter 1 1 unit is used Remove the air filter from the air intake grille 2 Use a vacuum cleaner to remove light dust If there is sticky dust on the filter wash the filter in lukewarm soapy water rinse it in clean water and dry it Move the flap on the air outlet grille to its lowest position with the remote control unit 2 The filter is disengaged by pushing the tab up gently Hold the air filter by the tab at the bottom and pull downward Air intake grille When replacing the filter make sure that the FRONT mark is facing you Push it up until you hear it click back into position 93 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 94 F 1 Certain metal edges and the condenser fins are sharp and may cause injury if handled improperly special care should be taken when you clean these parts 2 Periodically check the outdoor unit to see if the air outlet or air intake is clogged with dirt or soot 3 The internal coil and other components of the outdoor unit must also be cleaned periodi cally Consult your dealer or service center Care After a prolonged idle period Check the indoor and outdoor unit air intakes and outl
115. nd valve cap on the 14053 type liquid tube valves are different from other valve caps Valve cap Width 55 64 15 16 170 220 Ibs in 200 250 kgf cm 0905 Type Service port cap width 19 32 Valve cap width 55 64 Valve cap width 55 64 Service port cap 1405 Type Service port cap width 43 64 Valve cap width 15 16 Valve cap width 55 64 Service port cap width 19 32 width 19 32 Flare nut Valve cap 91 4 width 55 64 Flare nut Service port cap width 19 32 Flare nut 91 4 Flare nut 93 8 Valve cap width 55 64 Service port cap width 19 32 Do not apply a monkey wrench to the hexagonal part Do not use two monkey wrenches when removing or installing the balance tube flare nut In particular do not apply a monkey wrench to the hexagonal part at the top of the valve If force is applied to this part gas leakage will occur Precautions for brazing Unit in Use two monkey wrenches as shown in the figure when removing the liquid tube valve flare nut 1 Do not apply a wrench to the valve cap when removing or installing the flare nuts Doing so may damage the valve 2 If the valve cap is left off for a long period of time refrigerant leakage will occur Therefore
116. ndoor unit Indoor unit nit 16 or fewer Indoor unit teless than 3 3 ft Indoor unit Fig 5 3 61 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 62 F 5 Use shielded wires for inter unit control wiring c and ground the shield on both sides otherwise misoperation from noise may occur Fig 5 4 Connect wiring as shown in Section 5 3 Wiring System Diagram Loose wiring may cause the Fig 5 4 au terminal to overheat or result in unit malfunction A fire hazard may also exist Therefore ensure that all wiring is tightly connected When connecting each power wire to the terminal follow the instructions on How to connect wiring to the terminal and fasten the wire securely with the fixing screw of the terminal plate How to connect wiring to the terminal E For stranded wiring a _Stranded wire_ 1 Cut the wire end with cutting pliers then strip the insulation to expose the stranded wiring about 3 8 in g and tightly twist the wire ends Fig 5 o Ring ghtly twist the wire ends Fig 5 5 a ae 2 Using a Phillips head screwdriver remove the terminal 5 terminal screw s on the terminal plate 3 Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring pressure terminal Fig 5 5 4 Place the ring pressure terminal and replace and tighten the removed terminal screw using a screwdriver Special Fig 5 6
117. ng Fig 3 46 JA Power supply outlet 2 Wiring HOO Conn oT Se me j Route the power wiring into the indoor unit through the power inlet on the side of the unit At this time be sure that the wiring passes through the power inlet in the unit power section If the wiring does not pass through this inlet it may become pinched by the ceiling panel and may result in fire Pass the wiring through the power inlet on the electrical component box and connect it to the terminal plate Then fasten the wiring in place with the clamp 3 13 How to Install the Ceiling Panel Component Parts Part name Quantity Appearance Part name Quantity Appearance M5 x 40 N x Washer head 4 W or ae 5 16 x 9 16 4 x 12 or 5 32 x 15 32 Screw 2 C For fastening side panel Ceiling panel 1 3 13 1 Before Installing the Ceiling Panel Checking the position of the indoor unit Be sure that this distance is within the range of 25 32 1 in 2x i If it is not within this range malfunction or other problems may result 1 Check that the dimensions of the ceiling opening are g P d the following 28 47 64 x 23 17 64 For details refer to the installation manual that was supplied with the indoor unit Indoor unit 25 32 1 in 4d PTT feing opening dimension 77 2 Check that the positions of the c
118. not less than 5 16 in 3 Use insulated copper wire for field wiring Wire size varies with the total length of wiring Refer to 5 ELECTRICAL WIRING for details Check local electrical codes and CAUTION regulations before obtaining wire Also check any specified instructions or limitations 1 4 Additional Materials Required for Installation 1 Refrigeration armored tape 2 Insulated staples or clamps for connecting wire See your local codes 3 Putty 4 Refrigeration tubing lubricant 5 Clamps or saddles to secure refrigerant tubing 6 Scale for weighing Table 1 1 Outdoor Unit Q ty Part name Figure 09053 Model 14053 Model 10 hp 16 hp Outer Inner diameter C diameter 0 1 Connection tubing biis n Outer Inner diameter diameter 1 0 97 8 93 4 Instruction manual E paper 1 1 hp horse power 07 007 W 2WAY II NA 1 23 07 Table 1 2 4 Way Air Discharge 6 09 PM Page 9 Semi Concealed Part Name Figure Q ty Remarks Full scale installation diagram 1 Printed on container box Drain hose 1 For securing drain hose Hose band 1 For securing drain hose Drain insulator 1 For drain joint Flare insulator 1 For liquid tube 300 Bo 1 For gas tube Insulating tape White heat resisting 2 For gas tube joint Packing PA 1 For drain joint Wiring cover R 1 For covering erectri
119. o nents and cause an electric shock hazard Air intake and outlet side Clean the air intake and outlet side of the indoor unit with a vacuum cleaner brush or wipe them Indoor unit with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When clean ing the air outlet side be careful not to force the vanes out of place 1 Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe plastic parts using very hot water 2 Some metal edges and the fins are sharp and may cause injury if handled improperly be especially careful when you clean these parts 3 The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center Air filter The air filter collects dust and other particles from the air and should be cleaned at regular intervals as indicated in the table below or when the filter indication E on the display of the remote control unit wired type shows that the filter needs cleaning If the filter gets blocked the efficiency of the air conditioner drops greatly Type Period NOTE a 6 months The frequency with which the filter should be cleaned depends on the environment in which the unit is used lt How to clean the filter gt 1 Remove the air filter from the air intake grille 2 Use a vacuum cleaner to remove light dust If there is stick
120. o Address Setting 8 5 Remote Controller Test Run Settings 8 6 Caution for Pump Down 8 7 Meaning of Alarm Messages 9 APPENDIX 200 cece eee ees 85 9 1 4 Way Air Discharge Semi Concealed Type X Type 9 2 1 Way Air Discharge Semi Concealed Type A Type 9 3 Concealed Duct High Static Pressure Type U D Type 9 4 Ceiling Mounted Type T Type 9 5 Wall Mounted Type K Type 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 8 1 GENERAL This booklet briefly outlines where and how to install the air conditioning system Please read over the entire set of instructions for the outdoor unit and make sure all accessory parts listed are with the system before beginning 1 1 Tools Required for Installation not supplied ee ee ee ee M OR OMA OPAN DAF WN Standard screwdriver Phillips head screwdriver Knife or wire stripper Tape measure Carpenter level Sabre saw or key hole saw Hacksaw Core bits Hammer Drill Tube cutter Tube flaring tool Torque wrench Adjustable wrench Reamer for deburring 1 2 Accessories Supplied See Tables 1 1 1 7 1 3 Type of Copper Tube and Insulation Material If you wish to purchase these materials separately from a local source you will need 1 Deoxidized annealed copper tube for refrigerant tubing 2 Foamed polyethylene insulation for copper tubes as required to precise length of tubing Wall thickness of the insulation should be
121. of Limit Density 1 11 Installing Distribution Joint 1 12 Optional Distribution Joint Kits 1 13 Example of Tubing Size Selection and Refrigerant Charge Amount 2 SELECTING THE INSTALLATION SITE 19 2 1 Indoor Unit 2 2 Outdoor Unit 2 3 Shield for Horizontal Exhaust Discharge 2 4 Installing the Outdoor Unit in Heavy Snow Areas 2 5 Precautions When Installing in Heavy Snow Areas 2 6 Dimensions of Wind Ducting 2 7 Dimensions of Snow Ducting 3 HOW TO INSTALL THE INDOOR UNIT 24 B 4 Way Air Discharge Semi Concealed Type X Type 3 1 Preparation for Suspending 3 2 Suspending the Indoor Unit 3 8 Placing the Unit Inside the Ceiling 3 4 Installing the Drain Piping 3 5 Checking the Drainage 3 6 How to Install the Ceiling Panel 3 7 Special Remarks E 1 Way Air Discharge Semi Concealed Type A Type 3 8 Suspending the Indoor Unit 3 9 Placing the Unit Inside the Ceiling 3 10 Installing the Drain Piping 3 11 Checking the Drainage 3 12 Electrical Power Wiring 3 13 How to Install the Ceiling Panel 3 14 Required Minimum Space for Installation and Service 3 15 Suspending the Indoor Unit 3 16 Installing the Drain Piping 3 17 Checking the Drainage 3 18 Increasing the Fan Speed Bl Concealed Duct High Static Pressure Type D Type 3 19 Required Minimum Space for Installation and Service 3 20 Suspending the Indoor Unit 3 21 Installing the Drain Piping 3 22 Caution for Ducting Work 3 23 Indoor Fan P
122. of condenser coil 1 Remove obstruction Poor cooling or heating performance Dirty or clogged air filter Heat source or many people in room 1 Clean air filter to improve the airflow 2 3 Doors and or windows are open 4 5 Eliminate heat source if possible Shut them to keep the heat or cold out Obstacle near air intake or air discharge port Remove it to ensure good airflow Thermostat is set too high for cooling or too low for heating 6 Defrosting system does not work 6 Consult your dealer c Ron Set the temperature lower or higher B Tips for Energy Saving Avoid Do not block the air intake and outlet of the unit If either is obstructed the unit will not work well and may be damaged Donotlet direct sunlight into the room Use sunshades blinds or curtains If the walls and ceiling of the room are warmed by the sun it will take longer to cool the room Do Always try to keep the air filter clean Refer to Care and Cleaning A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed NOTE Should the power fail while the unit is running If the power supply for this unit is temporarily cut off the unit will automatically resume operation once power is restored using the same settings before the power was interrupted 92 07 007 W 2WAY II NA 1 23 0
123. oller Indoor or main outdoor unit is not operating correctly Serial Error in transmitting serial communication communication signal Mis wiring of control wiring between indoor unit main outdoor unit C05 errors and system controller Mis setting Error in receiving serial Indoor or main outdoor unit is not operating correctly communication signal Mis wiring of control wiring between indoor unit main outdoor unit C06 and system controller CN1 is not connected properly Activation of Protective device of sub indoor When using wireless remote controller or system controller in protective unit in group control is activated order to check the alarm message in detail connect wired P30 device remote controller to indoor unit temporarily 1 Alarm messages in do not affect other indoor unit operations 2 Alarm messages in sometimes affect other indoor unit operations depending on the fault 84 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 85 F 9 APPENDIX 9 1 4 Way Air Discharge Semi Concealed Type X Type m NAME OF PARTS X type 4 WAY Water drain Ceiling panel optional Air outlet 4 locations Air intake grille air intake m CARE AND CLEANING WARNING 1 For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning 2 Do not pour water on the indoor unit to clean it This will damage the internal comp
124. om becomes the object Refrigerant tubing Outdoor unit Indoor unit Large room Mechanical ventilation device Gas leak detector 3 The minimum indoor floor space compared with the amount of refrigerant is roughly as follows When the ceiling is 8 8 ft high ft 3 ft 2 4000 454 3500 Range below the density limit of 3000 0 3 oz ft 3 countermeasures not needed 398 341 2500 2000 1500 Min indoor volume Range above the density limit of 4 114 0 3 oz ft 3 countermeasures 57 needed 1000 ine N N Min indoor floor area when the ceiling is 8 8 ft high 500 0 200 400 Total amount of refrigerant 600 800 1000 1200 Oz 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 4 F Precautions for Installation Using New Refrigerant 1 Care regarding tubing 1 1 Process tubing e Material Use C1220 phosphorous deoxidized copper specified in JIS H3300 Copper and Copper Alloy Seamless Pipes and Tubes For tubes of 97 8 022 22 mm or larger use C1220 T 1 2H material or H material and do not bend the tubes e Tubing size Be sure to use the sizes indicated in the table below e Use a tube cutter when cutting the tubing and be sure to remove any flash This also applies to distribution joints optional e When bending tubing use a bending radius that is 4 times the outer diameter of the tubing or larger
125. op or right sides knock out the appropriate parts in the top panel and cut notches in the side panel as shown in Fig 3 89 ifthe tubing s tob outed oui When routing the tubing out through the top the optional together use a box cutter or simi L shape tubing kit is required lar tool to cut out the part of the rear cover indicated by the marked area in the figure below to match the positions of the tubes Then draw out the tubing Left side drain hose outlet port Fig 3 104 Fig 3 105 Fig 3 106 3 28 Installing the Drain Piping Prepare standard PVC pipe for the drain and connect it to the indoor unit drain pipe with the supplied hose clamps to prevent water leaks Donward gradient Min 1 100 1 Drain hose connection The drain hose is connected below the refrigerant tubing Q iN Good 2 Installing the drain hose To install the drain hose first place 1 of the 2 hose bands over the unit drain port and the other hose band over the hard PVC pipe not supplied Then connect both ends of the supplied drain hose L N On the unit drain side grasp the hose band with pliers and insert the drain hose all the way to the base X Not good e f other commercially available hose bands are used the drain Fig 3 107 hose may become pinched or wrinkled and there is danger of water leakage Therefore be sure to use the supplied hose bands When sliding the hose bands be careful to avoid scratching the Plain N
126. opped status Approximately 4 5 minutes is required During automatic address setting NOW SETTING is displayed on the remote con troller This message disappears when automatic address setting is completed Repeat the same steps to perform automatic address setting for each successive system 78 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 79 F Display during automatic address setting On outdoor main unit PCB LED 2 1 Do not short circuit the automatic address setting pin CN100 again while automatic address set 6 B ting is in progress Doing so will cancel the setting operation and will cause LEDs 1 and 2 to turn Ra OFF Blink alternately When automatic address setting has been successfully completed both LEDs 1 and 2 turn OFF LED 1 is D72 LED 2 is D75 If automatic address setting is not completed successfully refer to the table below and correct the problem Then perform automatic address setting again Display details of LEDs 1 and 2 on the outdoor unit control PCB Xt ON JX Blinkng OFF LED 1 LED 2 Display meaning xt Xt After the power is turned ON and automatic address setting is not in progress no communication with the indoor units in that system is possible e xt After the power is turned ON and automatic address setting is not in progress 1 or more indoor units are confirmed in that system however the numb
127. ot provided with this air conditioner at the time of shipment To get clean air specifications and to extend the service life of the air conditioner an air filter must be installed in the air intake For installation and cleaning the air filter consult your dealer or service center The frequency with which the filter should be cleaned depends on the environment in which the unit is used How to clean the filter gt 1 Remove the air filter from the air intake grille 2 Use a vacuum cleaner to remove light dust If there is sticky dust on the filter wash the filter in lukewarm soapy water rinse it in clean water and dry it 89 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 90 F B TROUBLESHOOTING If your air conditioner does not work properly first check the following points before requesting service If it still does not work properly contact your dealer or a service center Trouble Possible Cause Remedy Air conditioner does not run at all 1 Power failure After a power outage press ON OFF operation button on the wired remote control unit Contact service center Consult your electrician or dealer Press the button again ak Leakage circuit breaker has tripped Line voltage is too low Operation button is turned off The wired remote control unit or heat pump is malfunctioning The inspection mark N and the letters E F H L P in combination with numbers appear on the LCD of the wi
128. perate for approximately 3 minutes after the power is turned ON and after operation is stopped 3 If correct operation is not possible a code is displayed on the remote controller LCD display Refer to Table of Self Diagnostic Functions and correct the problem 4 After the test run is completed press the button again Check that TEST RUN disappears from the LCD display To prevent continuous test runs this remote controller includes a timer function that cancels the test run after 60 minutes If the test run is performed using the wired remote controller operation is possible even if the cassette type ceiling panel has not been installed PO9 display does not occur 80 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 81 F 8 6 Caution for Pump Down Pump down means refrigerant gas in the system is returned to the outdoor unit Pump down is used when the unit is to be moved or before servicing the refrigerant circuit Refer to the Service Manual This outdoor unit cannot collect more than the rated refrigerant amount as shown by the nameplate on the back If the amount of refrigerant is more than that recommended do not conduct pump down In this case use another refrigerant collecting system 81 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 82 s 8 7 Meaning of Alarm Messages Table of Self Diagnostics Functions and Description of Alarm Displays Alarm messages are indicated by the blinking of LED 1 and 2
129. r then release it l The LED that indicates automatic address setting is in progress turns OFF and the process is stopped Be sure to perform automatic address setting again Automatic address setting is completed when the compressors stop and LEDs 1 and 2 on the outdoor main unit control PCB turn OFF At the outdoor main unit in the next different system short circuit the automatic address pin CN100 for 1 second or longer then release it Repeat the same steps to complete automatic address setting for all units 4 8 Operation from the remote controllers is now possible Automatic address setting in Cooling mode cannot be done from the remote controller Automatic Address Setting from the Remote Controller Selecting each refrigerant system individually for automatic address setting Automatic address setting for each system Item code A1 1 Next press either the temperature setting LA Use either the UNIT or f Then press the button Press the remote controller timer time 4 button and button at the same time Press and hold for 4 seconds or longer or button Check that the item code is A1 button to set the system No to perform automatic address setting Automatic address setting for one refrigerant system begins When automatic address setting for one system is completed the system returns to normal st
130. r leakage condensation and other problems may occur B If a wireless remote controller is used For details concerning the installation procedure refer to the installation manual which was supplied with the optional wireless remote controller and indoor unit internal receiver Electrical compornent box cover Inter unit control wiring Electrical compornent box Power supply outlet Indoor unit connector Fig 3 58 Fasten with screws 4 x 12 or 5 32 x 15 32 Slide the side panel so that the side panel tabs are fastened to the ceiling panel Then fasten in place with the supplied screws 4 x 12 or 5 32 x 15 32 Fig 3 59 s 4 Screw 3 crew 2 ZS 75 7 Yi Z 38 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 39 E Concealed Duct Type U Type j 3 14 Required Minimum Space for 2 A Suspension bolt pitch ge Electrical ar Installation and Service component Box This air conditioner is usually installed above the ceiling so that the E Iipeeiioni indoor unit and ducts are not visible Only the air intake and air outlet mn access ports are visible from below 22782 A ingoor unit E M
131. r longer then release it i Communication for automatic address setting begins To cancel again short circuit the automatic address pin CN100 for 1 second or longer then release it j The LED that indicates automatic address setting is in progress turns OFF and the process is stopped Be sure to perform automatic address setting again Automatic address setting is completed when LEDs 1 and 2 on the outdoor main unit control PCB turn OFF L 7 Next turn the power ON only for the indoor and outdoor units of the next different system Repeat steps 1 5 in the same way to complete automatic address settings for all systems J 8 Operation from the remote controllers is now possible To perform automatic address setting from the remote controller perform steps 1 5 then use the remote controller and complete automatic address setting Refer to Automatic Address Setting from Remote Controller 76 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 77 s Case 3A Automatic Address Setting in Heating Mode Indoor and outdoor unit power cannot be turned ON for each system separately In the following automatic setting of indoor unit addresses is not possible if the compressors are not operating Therefore perform this process only after completing all refrigerant tubing work Automatic Address Setting from Outdoor Unit 1 Perform steps 1 4 in the same way as for Case 2 5 Turn the indoor
132. r units Improper setting This alarm message shows when an indoor unit for multiple use L02 is not connected to the outdoor unit Duplication of main indoor unit address setting in group control lt L03 gt Duplication of outdoor R C address setting L04 There are 2 or more indoor unit Priority set remote controller L05 controllers that have operation mode priority in refrigerant circuit Non priority set remote controller L06 Group control wiring is connected to individual control indoor unit LO7 Indoor unit address is not set L08 Capacity code of indoor unit is not set lt lt L09 gt gt Capacity code of outdoor unit is not set L10 Mis matched connection of outdoor units that have different kinds L17 of refrigerant 4 way valve operation failure L18 Continued 82 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 83 83 Possible cause of malfunction seein Activation of Protective device in indoor unit Thermal protector in indoor unit fan motor is activated lt lt P01 gt gt protective is activated Improper wiring connections of ceiling panel lt lt P09 gt gt device Float switch is activated lt lt P10 gt gt Operation of protective function of fan inverter P12 Protective device in outdoor unit Compressor thermal protector is acti
133. red remote control unit a ROI a amp WwW PY Consult your dealer Compressor runs but soon stops Obstruction in front of condenser coil Remove obstruction Poor cooling or heating performance Dirty or clogged air filter Heat source or many people in room Doors and or windows are open Obstacle near air intake or air discharge port Thermostat is set too high for cooling or too low for heating 6 Defrosting system does not work 6 Consult your dealer Clean air filter to improve the airflow Eliminate heat source if possible Shut them to keep the heat or cold out Remove it to ensure good airflow Set the temperature lower or higher OP ONS c a E a B Tips for Energy Saving Avoid Do not block the air intake and outlet of the unit If either is obstructed the unit will not work well and may be damaged Donotlet direct sunlight into the room Use sunshades blinds or curtains If the walls and ceiling of the room are warmed by the sun it will take longer to cool the room Do Always try to keep the air filter clean Refer to Care and Cleaning A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed NOTE Should the power fail while the unit is running If the power supply for this unit is temporarily cut off the unit will automatically resume operation on
134. rging a R22 or R407C compressor with R410A durability will significantly decrease since some of the materials used for compressor parts are gt different dj we E 2 Existing tubing cannot be used especially R22 Completely cleaning out residual refrigerating fi 4 machine oil is impossible even by flushing R410A 3 Refrigerating machine oil differs R22 Since R22 refrigerating machine oil is mineral oil it does not dissolve in R410A Therefore refrigerating machine oil discharged from the compressor can cause compressor damage R22 refrigerating machine oil Mineral oil Suniso oil R407C refrigerating machine oil Synthetic fluid ether oil R410A refrigerating machine oil Synthetic fluid ether oil 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 6 CONTENTS Page Page IMPORTANT 2 2000s eee ee eee eee 2 E Concealed Duct Type U Type Please Read Before Starting Check of Density Limit Precautions for Installation Using New Refrigerant New refrigerant R410A cannot be used for earlier models 1 GENERAL soc eee fee oe ee ea 8 1 1 Tools Required for Installation not supplied 1 2 Accessories Supplied 1 3 Type of Copper Tube and Insulation Material 1 4 Additional Materials Required for Installation 1 5 Tubing Length 1 6 Tubing Size 1 7 Straight Equivalent Length of Joints 1 8 Additional Refrigerant Charge 1 9 System Limitations 1 10 Check
135. rille and reinstall the lower portion of the grille o WN Fit the installation tabs into the grooves and press the lower portion of the grille back into its original position to install it ga Installation screw cover 3 Press on the installation tabs to completely close the grille Check that the grille and frame are fitted tightly together Fig 3 120 3 33 Preparing the Tubing 1 Arrangement of tubing by directions a Right or left tubing The corner of the right or left frame should be cut with a hack saw or similar Fig 3 122 b Right rear or left rear tubing Remove the grille In this case the corners of the frame do not need to be Fig 3 121 cut Installation tab 2 Be sure to insulate the part of the drain hose that is bdo M d w run indoors and the refrigerant tubing y di i LIN If these are not insulated condensation may result in dripping and damage to walls and furniture Right tubing The flare nuts on the 24 type only are large j eae therefore use the supplied insulation material Exe y Installation tabs When left and right side tubing Fig 3 122 Fig 3 123 52 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 53 F 3 To mount the indoor unit on the rear panel 1 When installing the indoor unit position the indoor unit onto the installation tabs on the upper part of the rear panel Fig 3 123 2 Press on the air outlet to hold it in place and press the lower part of t
136. s and nuts 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 10 Table 1 5 Concealed Duct High Static Pressure Part Name Figure Q ty Remarks Washer 8 For suspending indoor unit from ceiling Nut e 8 For suspending indoor unit from ceiling Flare insulator 0 3 pe 0 3 1 For liquid tube Drain socket Qr 1 For drain pipe connection Table 1 6 Ceiling Mounted Part Name Figure Q ty Remarks Full scale installation diagram gun 1 Printed on container box Washer 4 For temporarily suspending indoor unit from ceiling Flare insulator Sa _ a For gas and liquid tube joints PA 13 16 2 Insulating tape Pane osisiing 2 For gas and liquid tubes flare nuts Vinyl clamp 8 For flare and drain insulators Drain hose omm 5 4 0 1 For main unit and PVC pipe joints Hose band 15 2 Fordrain hose connection Drain insulator PA 1 For drain hose joint Gum eyelet Q 1 For power supply inlet Table 1 7 Wall Mounted Part Name Figure Q ty Remarks Tapping screw 10 For fixing the rear panel Plastic cover 1 For improved tubing appearance Insulator 1 For insulating flare nut 2452 type only 10 07 007 W 2WAY II NA 1 23 07 1 5 Tubing Length Select the installation location so that the length and size of refrigerant tubing are within the allowable range shown in the figure below 6 09 PM Page 11
137. s greatly Type A Period 2 weeks NOTE The frequency with which the filter should be cleaned depends on the environment in which the unit is used lt How to clean the filter gt 1 Remove the air filter from the air intake grille Air filter finger hold 2 Use a vacuum cleaner to remove light dust If there is sticky dust on the filter Air intake grill wash the filter in lukewarm soapy water rinse it in clean water and dry it How to remove the filter T STRE 1 way air discharge semi concealed type A 4 Gre i 1 Take hold of the finger hold on the air intake grille and press it to m Fg il fi the rear and the grille will open downward PR S p de yA 2 Take hold of the finger hold on the air filter pull it toward you i Latch Saa De Air filter finger hold Take hold of the finger hold on the air filter pull it toward you 87 07 007 W 2WAY II NA 1 23 07 Outdoor unit 6 09 PM Page 88 1 CAUTION 2 3 Certain metal edges and the condenser fins are sharp and may cause injury if handled improperly special care should be taken when you clean these parts Periodically check the outdoor unit to see if the air outlet or air intake is clogged with dirt or soot The internal coil and other components of the outdoor unit must also be cleaned periodically Consult your dealer or service center Care After a prolonged idle period
138. s not necessary if both the wired remote controller and wireless remote controller are used The location of the switch varies depending on the type of PCB used Check the model name before making the setting KHX0752 0952 1252 1852 TIO CNOI5 PMV CN007 CNOIG FM RYIMI CN021 YEL CHT oes SHAY gos LM NT WHT 3 5 DB153 E g JJ JE js RISI OPTION CNOI4 FAN DRIVE To_Power D N HT CN017 CN020 Pi C AT Qua i N cR 1c005 ICO04 zb ui IC006 1C009 a 1003 g 14 Ss Neon 8 8 Ic008 amp Bi Ni 700ND 13 2D E3 e Sub asas 365 PERF z CR KR 4GXH56A 0 tr possooo 1 102 X sim d Sees Setting at time of Slide No 3 on SW101 factory shipment from ON OFF e KHX2452 Setting at time of Slide No 3 on SW101 factory shipment from ON OFF 49A0dg701 54 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 55 4 HOW TO INSTALL THE OUTDOOR UNIT 4 1 Transporting When transporting the unit have it delivered as close to the installation site as possible without unpacking Use a hook for suspending the unit Fig 4 1 When hoisting the outdoor unit pass ropes or straps under the bottom plate as shown in the figure at right When hoisting the angle between the rope and top panel must be 70 or greater so that the rope does not come into contact with the fan guard
139. t No 2 No 3 y Main the terminal plug Sub Outdoor main sub Sub CN003 control wiring N Inter unit control wiring M M Indoor unit 1 1 1 2 1 3 1 13 Remote controller Remote communication wiring controller No 2 r No 1 main unit settings Refrigerant System address No of indoor units 9 circuit system 2 setting units setting T S002 S003 S004 wr E ASE 3 N 1 2 OFF S005 ON ON i k i ote No 2 sub unit settings No of i Unit S007 outdoor Baa ON E 007 _ ON number ON ON units 2 units P A setting JT setting m 3 setting 12 3 OFF unitNo 1 72 3 OFF unitNo 2 li2 3 OFF Unit Move the socket to Unit d n No 1 the OPEN side No 2 System Main CN003 Sub x Outdoor main sub control wiring Inter unit control wiring s c s eae M To other system er 2 1 2 2 2 9 link wiring 7 A Remote controller T emo cross over wiring controller Make settings as appropriate for the cases listed below Refer to the instructions on the following pages Indoor and outdoor unit power can be turned ON for each system separately gt Case 2 Indoor and outdoor unit power cannot be turned ON for each system separately Automatic address setting in Heating mode Y Case 3A Y Automatic address setting in Cooling mode Case 3B Fig 8 6 75 07 007 w 2WAY II NA 1 23 07 6 09 PM
140. t 4000 454 shows that the minimum room volume should be 2455 ft 3 3500 Range below 398 2 i the density limit of floor area 279 ft for refrigerant of 418 oz a 3000 L 0 3 oz ft3 341 5 countermeasures 9 2500 not needed 284 Determination by calculation 5 2000 227 Overall refrigerant charge amount for the air conditioner oz g 1500 170 Mini I for Ind it ft 3 Range above Minimum room volume for indoor unit ft 4000 the density limit of 444 0 3 oz ft 3 418 0z lt 0 29 oz ft 3 lt 0 3 oz ft 2 500 countermeasures 57 1417 ft 9 needed 0 0 0 200 400 600 800 1000 12990 Total amount of refrigerant Therefore openings such as louvers are not required for this 3 room 18 Min indoor floor area when the ceiling is 8 8 ft high 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 19 F Ceiling Mounted Type 2 SELECTING THE INSTALLATION SITE ty Ceiling 2 1 Indoor Unit AVOID areas where leakage of flammable gas may be expected Aem min 10 in places where large amounts of oil mist exist Front view The rear of the indoor unit can be installed flush locations near heat sources which may affect the against the wall Ar 77 jp performance of the unit discharge 31 E direct sunlight locations where external air may enter the room directly This may cause sweating on the air discharge ports min 2 ft
141. t must also be cleaned periodi cally Consult your dealer or service center Care After a prolonged idle period Check the indoor and outdoor unit air intakes and outlets for blockage if there is a blockage remove it Care Before a prolonged idle period Operate the fan for half a day to dry out the inside Disconnect the power supply and also turn off the circuit breaker Clean the air filter and replace it in its original position Outdoor unit internal components must be checked and cleaned periodically Con tact your local dealer for this service B TROUBLESHOOTING If your air conditioner does not work properly first check the following points before requesting service If it still does not work properly contact your dealer or a service center Trouble Possible Cause Remedy Air conditioner does not run at all 1 Power failure 1 After a power outage press ON OFF operation button on the wired remote control unit Contact service center Consult your electrician or dealer Press the button again Consult your dealer Leakage circuit breaker has tripped Line voltage is too low Operation button is turned off a amp WwW Ph a kW m The wired remote control unit or heat pump is malfunctioning The inspection mark N and the letters E F H L P in combination with numbers appear on the LCD of the wired remote control unit Compressor runs but soon stops 1 Obstruction in front
142. t your dealer or service center Care After a prolonged idle period Check the indoor and outdoor unit air intakes and outlets for blockage if there is a blockage remove it Care Before a prolonged idle period Operate the fan for half a day to dry out the inside Disconnect the power supply and also turn off the circuit breaker Clean the air filter and replace it in its original position Outdoor unit internal components must be checked and cleaned periodically Con tact your local dealer for this service m TROUBLESHOOTING If your air conditioner does not work properly first check the following points before requesting service If it still does not work properly contact your dealer or a service center Trouble Possible Cause Remedy Air conditioner does not run at all 1 Power failure 1 After a power outage press ON OFF operation button on the wired remote control unit 2 Leakage circuit breaker has tripped 2 Contact service center 3 Line voltage is too low 3 Consult your electrician or dealer 4 Operation button is turned off 4 Press the button again 5 The wired remote control unit or heat pump is 5 Consult your dealer malfunctioning The inspection mark A and the letters E F H L P in combination with numbers appear on the LCD of the wired remote control unit Compressor runs but soon stops 1 Obstruction in front of condenser coil 1 Remove obstruction Poor cooling or
143. the ceiling and the distance between the bottom DOE surface of the ceiling and the bottom surface of the Fig 3 37 flange of the unit should follow the dimensions given in Figs 3 37 and 3 38 lc materal 3 10 Installing the Drain Piping 00 Morons 1 Prepare standard hard PVC pipe O D 1 1 4 for y y al the drain and use the supplied drain hose and hose re i a band to prevent water leaks Fig 3 38 The PVC pipe must be purchased separately The unit s transparent drain port allows you to check drainage Fig 3 39 Align the hose band with end of the hose and tighten so that it does not contact the bead Drainage check Hard PVC section on drain port pipe Cansa RO aM Us Vs Do not use adhesive at the drain connection port on ppted Socket VEES ot supplied the indoor unit e Insert the drain pipe until it contacts the socket as shown in the figure at right then secure it tightly with the hose band e Tighten the hose clamps so their locking nuts face upward Fig 3 39 Do not use the supplied drain hose bent at a 90 angle The maximum permissible bend is 45 Check the drainage at the unit drain port transparent 2 After checking the drainage wrap the supplied packing and drain pipe insulator around the pipe then secure it with the supplied clamps Fig 3 40 Make sure the drain pipe has a downward gradient 1 100 or more and that there are no water traps 33 not supplied
144. the lower side so that the unit will not fall off the suspension lugs 4 Lift up the indoor unit and fit the suspension bolts into the notches in the suspension lugs 5 Adjust so that the distance between the bottom of the indoor unit suspension lugs and the bottom of the ceiling panel is 25 32 1 in Then tighten the nuts above and below each suspension lug The full size installation diagram can be used to help adjust the height of the indoor unit 32 Ceiling tiles Full scale installation diagram Suspension lug i ei 25 32 1 in Fig 3 33 over 19 32 in For fresh air intake 3 15 16 hole A Unit in Fig 3 34 For fresh air intake 4611 16 5315 16 hole T gt c gt Unit in Fig 3 35 Suspension bolt Nuts and washers Used above and below Suspension lug Double nuts 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 33 The indoor unit includes a drain pump Be sure to ma use a level gauge and verify that the unit is level suspension bolts Before inserting the ceiling material complete as p 1 L i j TEMA i Tubing side much of the drain piping work and refrigerant p tubing work as possible ua 6 The distance between the unit and the opening of D Suspension bolts a
145. the panel It is not possible to install the wiring cover after installing the panel The power must be turned ON in order to change the flap angle Do not attempt to move the flap by hand Doing so may damage the flap 1 Insert the temporary fasteners stainless steel on the inside of the ceiling panel into the square holes on the unit to temporarily fasten the ceiling panel in place Fig 3 20 1 The ceiling panel must be installed in the correct direction relative to the unit Align the REF PIPE and DRAIN marks on the ceiling panel corner with the correct positions on the unit To remove the ceiling panel support the ceiling panel while pressing the temporary fasteners toward the outside Fig 3 20 1 2 Align the panel installation holes and the unit screw holes 3 Tighten the supplied washer head screws at the 4 panel installation locations so that the panel is attached tightly to the unit Fig 3 20 2 4 Check that the panel is attached tightly to the ceiling e At this time make sure that there are no gaps between the unit and the ceiling panel or between the ceiling panel and the ceiling surface Fig 3 21 e If there is a gap between the panel and the ceiling leave the ceiling panel attached and make fine adjustments to the installation height of the unit to eliminate the gap with the ceiling Fig 3 21 lf the screws are not sufficiently tight ened trouble such as that shown in the figure
146. ts are visible from below The minimum space for installation and service is shown in Fig 3 77 It is recommended that space be provided 23 5 8 x 23 5 8 for checking and servicing the electrical system Fig 3 78 and Table 3 3 show the detailed dimensions of the indoor unit E o TE Table 3 5 Unit in 4 9 o Type Length A B C 5 E 36 16 17 32 15 35 64 2 43 64 3 48 17 23 32 16 47 64 3 55 64 ff e 16 91 8 24 13 32 Sara mea ea EA 38 37 64 us eneion bolt pitch Suspension bolt pitch Inspection access 23 5 8 x 23 5 8 Min 23 5 8 1 NE p service Air suction side Refrigerant tubing Min 23 5 8 Space p service Drain pan 37 J 31 7 32 7x3 15 16 27 9 16 22 91 8 2 5 32 25 32 Hole for full circumference 1 37 64 3 3984 2 23 64 1 57 64 um Ceiling face t Electrical component box 1 13 16 4x 3 15 16 15 3 4 19 11 16 19 32 L 19 11 16 2 3 4 25 64 25 64 1 3 8 39 49 64 enor Suspension bolt pitch 3 15 16 4 920 hole for suspension bolt Refrigerant liquid line 23 8 or 1 4 Refrigerant gas line 63 4 or 05 8 Power supply
147. unit No 3 1 2 3 On the outdoor main unit control PCB check that the system address rotary switch S002 is set to 1 and that the DIP switch ON S003 is set to u i 4 0 These are the settings at the time of factory shipment V 1 2 OFF To set the number of indoor units that are connected to the outdoor unit to 10 on the outdoor main unit control PCB set the No of indoor units DIP switch S005 to T i ON and set the rotary switch S004 to 0 2 3 y OFF Turn ON the power to the indoor and outdoor units 1 On the outdoor main unit control PCB short circuit the automatic address pin CN100 for 1 second or longer then release it J Communication for automatic address setting begins To cancel again short circuit the automatic address pin CN100 for 1 second or longer then release it L The LED that indicates that automatic address setting is in progress turns OFF and the process is stopped Be sure to perform automatic address setting again Automatic address setting is completed when LEDs 1 and 2 on the outdoor main unit control PCB turn OFF 1 Operation from the remote controllers is now possible To perform automatic address setting from the remote controller perform steps 1 to 5 then use the remote controller and com plete automatic address setting Refer to Automatic Address Setting from the Remote Controller 74 07 007 w 2WAY II NA 1 23 07 6 09 PM
148. unit as possible Fig 3 11 e Provide insulation for any pipes that are run 3 Support indoors pieces 3 5 Checking the Drainage After wiring and drain piping are completed use the Fig 3 11 following procedure to check that the water will drain smoothly For this prepare a bucket and wiping cloth to catch and wipe up spilled water 1 Connect power to the power terminal board R S terminals inside the electrical component box 2 Slowly pour about 0 3 gal of water into the drain pan to check drainage Fig 3 12 3 Short the check pin CHK on the indoor control board and operate the drain pump Check the water flow through the transparent drain pipe and see if there is any leakage fe Over 3 15 16 in Drain pan outlet Water Approx 0 3 gal 4 When the check of drainage is complete open the E check pin CHK and remount the tube cover Fig 3 12 Be careful since the fan will start when you short the pin on the indoor control board 26 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 27 F 3 6 How to Install the Ceiling Panel 3 6 1 Before Installing the Ceiling Panel must be within the range of 15 32 43 64 in na If not within this range malfunction or other trouble may result Checking the unit position d 1 Check that the ceiling hole is within this range 33 55 64 x 33 55 64 to 35 53 64 x 35 53 64 in 2 Use the full scale installation diagram from the amp RET
149. ur around b B Te C A L1 Power supply Remote 0 o ol2 208 230V 30 60Hz 62 62 J L3 controller D O WHTIOL E Ground A BLK Ore He Troun XLS rou Ground Indoor aigi Ground unit No 2 T Power supply L1 E Ground F Inter outdoor unit control wiring 208 230V 1o 60Hz L2 o Ground o B 72 5 Outdoor unit ee H INV unit x controller D 0 L1 Power supply muere 85 e f 0 E 208 230V 30 60Hz BLK o 1 amp 2 Ground S o EO IC E ertet uer enti rl Group control Ground indoor H Ground m i unit No 3 Power supply L1 OS 208 230V 19 60Hz L2 seo e pepe 14 HQ Ground Ground B m EQ D amp R2 Ground c c eee Indoor unit No n Power supply L1 208 230V 10 60Hz L2 iis Ke z NODE NER S MEM JS Ground Ground B o Remote controller D 02 co a a BLK Ground 7P terminal board NOTE 1 Refer to Section 5 2 Recommended Wire Length and Wire Diameter for Power Supply System for the explanation of A B C D and E in the above diagram 2 The basic connection diagram of the indoor unit shows 11 202 D Ut U2 Ri R2 the 7P terminal board so the terminal boards in your aed cum Remote equipment may differ from the diagram 3 Refrigerant Circuit R C address should be set before X A U D T Type turning the power on 5P terminal board 4 Regarding the R C address setting refer to page 74 rr
150. ure to check that the water will drain smoothly For this prepare a bucket and wiping cloth to catch and wipe up spilled water 1 Connect power to the power terminal board R S terminals inside the electrical component box Fig 3 44 2 Pour about 0 2 gal of water into the drain pan using a siphon pump through the air outlet grille Fig 3 45 8 Short the check pin CHK on the indoor control board and operate the drain pump Check the water flow through the transparent drain pipe and see if there is any leakage Drainage check Drain tube connection transparent Discharge port N CAUTION Be careful since the fan will start water 0 2 gal when you short the pin on the indoor control board Fig 3 45 4 When the drainage check is complete open the check pin CHK and remount the insulator Ness The bottom drain port is for use only during test runs and servicing inspections Do not connect the drain pipe to the bottom drain port 34 07 007 w 2WAY II NA 1 23 07 6 09 PM Page 35 F 3 12 Electrical Power Wiring Refrigerant tubing joint Drain pipe connection gas tube Be sure to connect the supplied flexible hose 1 Wiring connections Refrigerant tubing joint The power inlet is on the side of the indoor unit where the _ liquid tube refrigerant tubing is located The electrical component box o is on the lower air intake surface of the indoor unit Inter unit Control Wiri
151. vated is activated Power supply voltage is unusual The voltage is more than 260 V P02 or less than 160 V between L1 and L2 phase Incorrect discharge temperature Comp No 1 P03 High pressure switch is activated P04 Negative defective phase P05 O sensor detects low oxygen level activated P14 Compressor running failure resulting from missing phase in the P16 compressor wiring etc Start failure not caused by IPM or no gas Incorrect discharge temperature Comp No 2 P17 Compressor 3 discharge temp failure P18 Outdoor unit fan motor is unusual P22 Overcurrent at time of compressor runs more than 80Hz DCCT secondary current or ACCT primary current is detected at a time P26 other than when IPM has tripped IPM trip IPM current or temperature H31 Inverter for compressor is unusual DC compressor does not P29 operate Thermistor Indoor thermistor is either open Indoor coil temp sensor E1 lt lt F01 gt gt fault or damaged Indoor coil temp sensor E2 lt lt F02 gt gt Indoor coil temp sensor E3 lt lt F03 gt gt Indoor suction air room temp sensor TA lt lt F10 gt gt Indoor discharge air temp sensor BL lt lt F11 gt gt Outdoor thermistor is either Comp No 1 discharge gas temp sensor DISCH1 F04 open or damaged Comp No 2 discharge gas temp sensor DISCH2 F05 Outdoor No 1 coil gas temp sensor EXG1 F06 Outdoor No 1 coil liquid temp sensor EXL1 F07 Outdoor air temp sensor AIR TEMP
152. y or asphyxiation caused by refrigerant leakage In order to prevent damage to the flare caused by over tightening of the flare nuts use the table above as a guide when tightening When tightening the flare nut on the liquid tube use a monkey wrench with a nominal handle length of 7 7 8 in 6 3 Insulating the Refrigerant Tubing Tubing Insulation Thermal insulation must be applied to all unit tubing including the distribution joint purchased separately For gas tubing the insulation material must be heat resistant to 248 F or above For other tubing it must be heat resistant to 176 F or above Insulation material thickness must be 25 64 in or greater If the conditions inside the ceiling exceed DB 86 F and RH 70 increase the thickness of the gas tubing insulation material by 1 step If the exterior of the outdoor unit valves has been finished with a square duct covering make sure you allow sufficient space to use the valves and to allow the panels to be attached and removed Taping the flare nuts Wind the white insulation tape around the flare nuts at the gas tube connections Then cover up the tubing connections with the flare insulator and fill the gap at the union with the sup plied black insulation tape Finally fasten the insulator at both ends with the supplied vinyl clamps Fig 6 8 Insulation material The material used for insulation must have good insulation characteristi
153. y dust on the filter wash the fil ter in lukewarm soapy water rinse it in clean water and dry it lt How to remove the filter gt 1 Use a screwdriver to remove the bolt screw on each side for the two latches Be sure to reattach the two bolt screws after cleaning 2 Press on the two latches of the air intake grille with your thumbs in the direction of the arrow to open the grille 3 Open the air intake grille downward e When cleaning the air filter never remove the safety chain If it is necessary to remove it CAUTION for servicing and maintenance inside be sure to reinstall the safety chain securely hook on the grille side after the work e When the filter has been removed rotating parts such as the fan electrically charged areas etc will be exposed in the unit s opening Bear in mind the dangers that these parts and areas pose and proceed with the work carefully 85 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 86 F 4 Remove the air filter attached to the air intake grille Latch Air intake grille Bolt screws Air filter 1 Certain metal edges and the condenser fins are sharp and may cause injury if handled improperly special care should be taken when you clean these parts 2 Periodically check the outdoor unit to see if the air outlet or air intake is clogged with dirt or soot 3 The internal coil and other components of the outdoor unit must also be cleaned periodi cally Consul
154. y power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this sys tem Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inad equate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause over heating at connection points and a possible fire hazard When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing lIn a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing Ventilate the room well in
155. zt 4e d Suspension bolt CAUTION M10 or 3 8 Fig 3 31 When making the cuts to the insulation be careful not to damage the drain pan 31 07 007 W 2WAY II NA 1 23 07 6 09 PM Page 32 3 9 Placing the Unit Inside the Ceiling exo Be sure to use a level gauge and confirm that the unit is level If it is not level water leakage may occur 1 Use the supplied M5 or 3 16 screws 4 to attach the full size installation diagram to the indoor unit suspension lugs in order to obtain the ceiling opening dimensions for suspending the unit Caution Piping and wiring work must be performed inside the ceiling after the unit is suspended Therefore if the ceiling is already installed the wiring and piping work should be completed up to the connection points prior to suspending the unit 2 Attach the special washers supplied and nuts field supply to the suspension bolts 4 locations ero Use M10 or 3 8 nuts The length of the suspension bolts must be such that there is a space of at least 19 32 in below the bottom of the suspension lugs as shown in Fig 3 33 If the length of the suspension bolts is too long the bolts may interfere with the ceiling panel and louver motor preventing their installation 3 Thread the 3 hexagonal nuts and 2 washers field supply onto each of the 4 suspension bolts as shown in Fig 3 36 Use 1 nut and 1 washer for the upper side and 2 nuts and 1 washer for

Sanyo 85464359982001 Air Conditioner User Manual

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