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Sanyo CH2442 Automobile Accessories User Manual

1. 1 Remove 4 screws on the electrical component At shipment Booster cable installed box and remove the cover plate 0491 M Fig 3 85 2 Disconnect the fan motor sockets in the box 12 Type 18 Type 3 Take out the booster cable sockets at both yP yP 150 g 150 g ends clamped in the box T T S 4 Securely connect the booster cable sockets s a 0 5 7 a US 0 5 es 2 amp g S between the disconnected fan motor sockets in 3 Pa F 2 100 S 0 4 92100 H 0 4 step 2 as shown in the Fig 3 85 a g AD g g g S 5 Place the cable neatly in the box and reinstall g X 0 3 Z amp 0 3 the cover plate a N a 50 0 2 50 0 2 2 HT 2 T uw H wi H 0 1 H 0 1 L 0 0 0 0 200 300 400 200 300 400 500 Indoor Fan Performance Air Flow CFM Air Flow CFM 1980_U_I 1981_U_I 24 Type 36 Type 200 10 8 a g a S a 2 a Pa 150 o 150 amp 40 6 ERS 3 o El 0 5 5 40 5 7 g g a gt 100 g 0 4 100 3 10 4 9 S N S amp i n J 0 3 v 40 3 S HT 50 0 2 i 50 10 2 HH HH H 0 1 H 0 1 L L 0 0 0 do 300 500 700 900 500 1000 Air Flow CFM Air Flow CFM 1982_U_I 1983_U_I NOTE HT Using the booster cable H At shipment Fig 3 86
2. Indoor Unit Outdoor Unit B gt O R C Address on the PCB 0 S2 BLK sok sere 0 Factory shipped state wer wiri Single phase 2 230 208V ss I v Jee Je Ground Inter unit gt 0 Ci control wiring Low voltage 09 02 n Power supply Single phase An DOl e amp L2 230 208V 2 eae eee Ground Remote controller E A Option Remote controller wirings are wire joint connection 2085_M_I NOTE 1 Refer to Section 5 2 Recommended Wire CH Type Length and Wide Diameter for Power Supply 5P terminal board 2P terminal board System for the explanation of A B C D za and E in the above diagrams A eelo a 12GLil2 U1U2 2 Inter Unit Control Wiring C and remote control Inter unit Power Inter unit ler wiring D E has no polarity power wiring supply control wiring a 2086_M_I But for other wiring respect polarity Be sure to connect as shown in the Wiring System Diagram XH TH UH Type KH Type 3 R C Address should be set before turning th fps Vae iS ress snou e set petore turnin e J e M M power on KONKONKON KONTON gt 542 S SSB e e 4 Regarding the R C Address setting refer to 122 UTU Uuu 12 page 87 Auto address setting can be executed Inter unit Inter unit Remote Inter unit Inter unit Remote by a remote controller automatically 42 power wiring control wiring controller wiring control wiring power wiringontr
3. 21 13 16 ook l ok ge a p N D RN ww cla Vl gt a N Q S _ 5 5 32 0936_C_I 1 7 32 9 27 32 9 27 32 T 21 13 16 1 2 15 1 e O T INe ENS A ine Fig 2 4 2 2 Installing the Outdoor Unit in Heavy Snow Areas In locations subject to strong winds snow proof ducting should be fitted and direct exposure to the wind should be avoided as much as possible The following problems may occur when the outdoor unit is not provided with a platform and snow proof ducting a The outdoor fan may not run and there may be damage to the unit b There may be no air flow c The tubing may freeze and burst d The condenser pressure may drop because of strong wind and the indoor unit may freeze 12 84359146 2 3 Precautions When Installing in Heavy Snow Areas 1 The platform should be higher than the maximum snow depth Fig 2 5 2 The two anchoring feet of the outdoor unit should be attached to the platform and the platform should be installed beneath the air intake side of the outdoor unit 3 The platform foundation must be solid and the unit must be secured with anchor bolts 4 When installing on a roof subject to strong wind countermeasures must be taken to prevent the unit from being overturned 2 4 Dimensions of Snow Wind proof Ducting and Refrigerant Tubing Space for Installation Li Duct
4. Ep 1 To operate 1 indoor unit with 2 remote controllers Ty set at different places HLH Remote control il il X Remote control cable cable terminal N y N wire it at local O 6 6 How to Switch the Indoor Temperature Sensor board 1 2 installation site RC Indoor unit WD The indoor unit and the remote controller both contain an indoor temperature sensor The sensors on either Earth unit can be used but normally only the sensor set on the indoor unit is used However use the following procedure if you must use the sensor on the remote 1993_M_I controller 1 Hold down the A s cL buttons for at least 4 seconds Note The Unit No first displayed is the main indoor unit address for group control Note Do not press the button 2 Select CODE NO 32 with the Temp setting CD CD buttons 3 Change the set data from 0000 to 0001 with the Timer Ca _ C_y_ button 4 Press the button Setting is OK if the blinking display changes to a lit up display 5 Press the button This is the usual off condition At this time remote controller appears on the LCD display 1 If using 2 remote controllers either one main or sub remote controller can be used to make setting but only the main unit functions as the remote controller sensor 2 The remote controller sensor will not function during group control unless the group address is set in the main remote
5. c Fig 8 5 After installation check the output state of the weekly timer with the FORCED OPR switch OFF to ON located on the rear side of its PCB After confirming normal operation turn the FORCED OPR switch back to OFF without fail FORCED OPR switch 2021_M_I Loosen the retaining screw of the lead wire of the 8 5 Memory Back Up Function for Power Failure weekly timer remove the collar and connect the Compensation suppplied connection wiring to the timer terminal 4P connector of the weekly timer Place the supplied connection wiring into the groove neatly and then refasten the collar This weekly timer keeps the settings of operating buttons memorized so that after a power failure the operation can be restarted in the same set state by pressing the PROGRAM button lt Remote controller gt lt Weekly timer gt a gt To indoor unit To remote using the Back Up Remote control To weekly Connection wiring controller After installation confirm that the BAT BKUP o timer supplied bs Connector SWitch on the rear side of the weekly timer s PCB is ON or T0000 Cor E Ho E mo O 2019_M_I Pass the supplied connection wiring through the lead wire drawing out port on the
6. Double nut field supply 0976_T_I Fig 3 62 N N i Ceiling surface Nut field supply eal supplied 1096_T_I 32 84359146 b Lift the indoor unit and place it on the washers through the notches so as to fix it in place Fig 3 64 c Tighten the two hexagonal nuts on each suspension bolt to suspend the indoor unit as shown in Fig 3 65 A ceiling surface is not always level Please confirm that the indoor unit is evenly suspended For the J installation to be correct leave a clearance of about 0978_T1 3 8 in between the ceiling panel and the ceiling Fig 3 64 surface and fill the gap with an appropriate insulation or filler material 8 Ifthe tubing and wiring are to go towards the rear of the unit make holes in the wall Fig 3 66 9 Measure the thickness of the wall from the inside to the outside and cut PVC pipe at a slight angle to fit Insert the PVC pipe in the wall Fig 3 67 NOTE The hole should be made at a slight downward slant to the outside 0979_TI Fig 3 65 Outdoor side 0066_T_I PVC pipe locally purchased INSIDE OUTSIDE gt Wall f i LLL L Slight i angle Cut at slight angle a 0069_T_I Fig 3 67 33 84359146 3 20 Duct for Fresh Air Duct connection port Knock out hole There is a duct connection port knock out hole at the right rear on the Panel Top of the indoor unit for drawing in
7. a O L1 Power supply single phase 230 208V A Ground R C Address on the PCB 8 S2 BLK R C Address should be set before turning the power on SA Ke Y a O L1 Power supply single phase So l2 230 208V Oy aaa 2089_M_I Auto address setting can be executed by a remote controller automatically Please refer to 12 4 Automatic Address Setting Method Each successive unit will respond at one second intervals following the order of the R C address when the remote controller is operated 43 4359146 Loose wiring may cause the terminal to overheat or result in unit malfunction A fire hazard may also exist Therefore ensure that all wiring is tightly connected a When connecting each power wire to the correspond ing 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 5 4 How to Connect Wiring to the Terminal E For stranded wiring 1 Cut the wire end with a wire cutter or wire cutting pliers then strip the insulation to expose the stranded wiring about 3 8 in Fig 5 1 2 Using a Pillips head screwdriver remove the 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 1 4 Place the ring pressure terminal and replace and tighten the re
8. 2 Foamed polyethylene insulation for copper tubes as required to precise length of tubing Wall thick ness of the insulation should be 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 Section 5 Electrical Wiring for details 4 54359146 Table 1 1 XH 4 Way Air Discharge Semi Concealed Part Name Figure Q ty Remarks Full scale installation diagram Le A 1 For determining suspension bolt pitch Flare insulator E 2 For wide and narrow tubes Washer Ss 8 For suspending indoor unit from ceiling Insulating tape O White 1 For wide tube flare nuts Hose band amp 2 For securing drain hose Packing lt gt 1 For drain joint Drain insulator amp D 1 For drain joint Drain hose aoQ Jp 1 Drain hose adaptor q 1 For drain outlet Sealing putty 1 For sealing recessed portion of power supply For sizing up of narrow tube from 1 4 in to 3 8 in Tube connector 0J pee 1 only for 24 type Table 1 2 KH Wall Mounted Part Name Figure Q ty Remarks Wall fixture 1 1 For supporting the indoor unit Insulator 1 1 For insulation of the tubing of the indoor unit Mounting plate 1 SF 1 For securing the indoor unit Truss head _ Tapping screw 1 Phillips 20 For fixing the wall fixture x1in Full scale diagram 1 For determining the place whe
9. AWG American Wire Gauge A Power Supply Trade size MOP Power Supply Terminal Base Trade size Model Name PP ot Conduit Fuse or HACR ins of Conduit type circuit braker Capacity Max Wire Diameter CH2442 Max engh 69 ft 3 4in 25 A 50 A AWG 6 1 1 4 in CH3642 Max length 6g tt 3 4 in 35 440 A 230 208 V 50 A AWG 6 1 1 4 in CH4242 Ma engh 67 it 3 4in 45 A 50 A AWG 6 1 1 4 in Indoor Unit MOP i B Power Supply Trade size Power Supply Terminal Base Trade size Type l one of Conduit Fuse or HACR mee of Conduit type circuit braker Capacity Max Wire Diameter X K T U Max length 330 ft 3 4 in 15A 25A AWG 10 3 4 in Control Wiring C Inter Unit Control Wiring D Remote Control Wiring E Control Wiring For Group Control AWG 18 0 75 mm Use high voltage wire 300 V AWG 18 0 75 mm AWG 18 0 75 mm Max 3 300 ft Max 1 650 ft Max 1 650 ft Total NOTE 1 With ring type wire terminal 2 Wire joint connection 41 4359146 5 3 Wiring System Diagrams 1 Basic wiring diagram for standard control
10. Before drilling a hole check that there are no studs or pipes behind the determined location re Avoid area where electrical wiring or conduit is located Also take this precaution if the tubing goes through a wall at any other location 3 Using a sabre saw key hole saw or 3 5 82 in hole cutting drill attachment make a hole in the wall The required minimum hole diameter for these models is 3 3 16 in Fig 3 21 Measure the thickness of the wall from the inside edge to the outside edge and cut PVC pipe at a slight angle 1 4 in shorter than the thickness of the wall Fig 3 22 Place the plastic cover over the end of the pipe for indoor side only and insert in the wall Fig 3 23 Wall fixture o r Set screws only for transportation 1390_T1 Fig 3 19 T ape Full i ll scale installation diagram Hole should be made at a slight downward slant to the outdoor side Outdoor side 0066_T_I Fig 3 21 PVC pipe locally purchased Cut at slight angle 0941 T1 Fig 3 22 INSIDE OUTSIDE Wall Plastic cover PVC pipe angle 0942_K_I 22 4359146 One hole is required for the air conditioner tubing and may be either on the left or right side Also see sec ger tion 3 14 Preparing the Indoor Side Tubing Full scale 1 Tap
11. Min 5 16 in Narrow tube Wide tube 0999 C_I Fig 10 7 Refrigerant tubing li Seal supplied Insulation tape white supplied Flare insulator supplied MQ Tube insulator Unit side NYY not supplied insulator l Fiare nut Vinyl clamps supplied Fig 10 8 1015_ X1 Refrigerant tubing and insulator not supplied Drain insulator and clamp Drain pipe and insulator Large not supplied supplied Packing _ clamp Insulation Small tape hose band Vinyl supplied Flare clamp i insulator Seal 1373_X_1 Never grasp the drain or refrigerant connecting outlets when moving the unit Fig 10 9 80 4359146 10 7 Taping the Tubes 1 At this time the refrigerant tubes and electrical wiring if local codes permit should be taped with armoring tape in 1 bundle To prevent the con densation from overflowing the drain pan keep the drain hose separate from the refrigerant tubing Wrap the armoring tape from the bottom of the outdoor unit to the top of the tubing where it enters the wall As you wrap the tubing overlap half of each previous tape turn Fig 10 10 3 Clamp the tubing bundle to the wall using 1 clamp about every 3 feet 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 drips clear of the unit and the tubin
12. SANYO Split System Heat Pump Air Conditioner Model Combinations Combine indoor and outdoor units only as listed below Indoor Units and Outdoor Units INSTALLATION INSTRUCTION Indoor Units Type 24 36 42 4 Way Air Discharge P Semi Concealed XH2442 XH3642 XH4242 Matching Ceiling Panel PNR XH2442 PNR XH3642 PNR XH3642 Wall Mounted KH2442 KH3642 Ceiling Mounted TH2442 TH3642 TH4242 Concealed Duct UH2442 UH3642 Outdoor Units CH2442 CH3642 CH4242 Wired Remote Controller RCS SH80UG Optional part Built in type RCS SH80UA WL Optional part Wireless R II teasa PEMAI LONTONG External type RCS BH80UA WL Optional part Weekly Timer TM SH80UG Optional part System Controller SHA KC64UG Optional part 85464359146001 SANYO 2001 OPERATING LIMITS E Maximum Conditions Outdoor temperature Room temperature E Minimum Conditions Outdoor temperature Room temperature Cooling Heating 115 F DB 65 F WB 71 F WB 80 F DB 23 F 0 F DB 15 F WB 57 F WB 59 F DB When air discharge chamber is installed Units should be installed by licensed contractor according to local code requirements SANYO FISHER COMPANY A DIVISION OF SANYO NORTH AMERICA CORPORATION 21605 Plummer Street Chatsworth CA91311 In Canada SANYO Canada Inc 300 Applewood Crescent Concord Ontario
13. 1 1 1 33 2 2 F a 7 3 3 35 4 4 P a 2 5 5 37 i 6 6 38 7 7 7 39 1 s 8 3 8 40 3 9 9 41 10 10 10 42 11 11 11 43 12 12 12 44 13 13 13 45 14 14 14 46 15 15 15 47 16 16 16 48 1 17 i P 2 18 F mm 3 19 3 51 4 20 P 5 gt 5 21 5 53 22 6 54 7 23 z 35 2 8 24 4 8 56 9 25 9 57 10 26 10 58 11 27 a 12 28 m a 13 29 13 61 30 14 62 15 31 5 m 16 32 i aA NOTE 1 Assign indoor unit addresses to the desired positions central addresses manually 2 For group control only the main indoor unit should be assigned Sub indoor units cannot be assigned 77 94359146 sc 9 6 Connection with Other Equipments Digital input output terminals Input output item Status output System controller Equipment Input output Terminal Terminal Example ON OFF output Alarm output Potential tree A contact static relay output Digital input Contact capacity DC 30V 0 5A Input output Wire length less than 330 ft Control input All ON input All OFF input Pulse photo compler input ALL OFF amp Q Contact capacity Input common DC 24V 10mA 9 7 Memory Back Up Switch Check the back up switch is ON for back side of PCB by system controller 9 8 Test Run 1 Power on for all indoor units Next power on for system controller MO will flash checking the indoor unit address automatically If group No displayed on system con
14. 2 All OFF and all Ditto indoor units to be ON OFF ON px Incase of Remote control mode use or In case of ZONE 1 2 3 4 mode ALL all indoor units means one of ZONE 1 2 3 4 1 Central control 1 means ON OFF operation cannot excecute by remote controller 2 Central control 2 means ON OFF MODE change Temp setting cannot be excecuted by remote controller Auxiliary switch Must be set to OFF position Beep tone switch OFF Beep tone when each button is pushed ON No tone when each button is pushed Indication switch Normally set to OFF position When set to ON position indication is not displayed on LCD of system controller 2047_M_I All switches are OFF position at shipment 70 84359146 9 4 Mode Setting According to function of each system controller set ee moa SW1 as Fig 9 5 2 r 56 23456 1 Central control Remote control mode on aaa bs aa Central control mode ee remote contro System controller is used as central control equip een ae _____ _Mter unit control wing ment TO E EET E i JON TION
15. 4P DIP switch ai ON side 4 S4 Capacity code OFF side 2094_C_I No Outdoor PCB Model No 1 2 3 4 24 type ON ON ON OFF 36 type OFF ON OFF ON 48 type ON ON OFF ON 90 84359146 12 8 The Main Alarms of Mis wiring amp Mis setting Remote controller Gauss display e In case of individual remote control In case of group control In case of multiple remote control Nothing Remote controller not properly connected displayed Power supply not ON E1 e Remote controller not properly connected e Wiring connection fault of e Wiring connection fault of some indoor outdoor units E4 indoor outdoor units inside the group e Power supply of outdoor unit not ON E6 e Combination of indoor outdoor units is wrong Power supply of some indoor unit is not ON E9 e 2 main remote controllers set P9 elmproper wiring connections of ceiling panel Ref Alarm P9 is not generated if the remote controller is set at test run 12 9 The Main Alarms of Unit Troubles Trouble detected Remote controller display Indoor protection Fan motor protection thermostat P1 Outdoor protection Fan motor protection thermostat P2 Compressor protection thermostat Abnormal discharge temp P3 High pressure switch P4 Indoor protection Float switch P10 Indoor sensor O
16. L4K 5C7 Canada Ex EON EEO wn Please Read Before Starting This air conditioning system meets strict safety and operating 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 WARNING 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 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 In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN
17. Tightly connect the indoor side refrigerant tubing with the outdoor side tubing Fig 10 6 1 To fasten the flare nuts apply specified torque as 2 Table 10 1 Tube Dia Tightening Torque Approx 120 160 Ibs in a aeolian 140 180 kg cm Approx 300 360 lbs in 3 8 9 52 mm Gig T Approx 870 1040 lbs in 3 4 19 05 mm 1000 1200 kg cm 10 6 Insulating the Refrigerant Tubing re Always insulate tubes after draining water and complet ing leak tests on all connec tion points To avoid condensation and water leaks the wide tube gas line must be insulated with the supplied insula tion materials Taping the flare nuts Wind white insulation tape around the flare nuts at the wide tube connections Place the seal supplied on the unit Then cover up the tubing connections with the flare nut insulator and cover the gap at the union with the supplied black insulation tape Finally fix the insulator at both ends with vinyl clamps Fig 10 8 Insulation material The material used for insulation must have good insulation characteristics be easy to use be age resistant and must not easily absorb moisture en After a tube has been insu lated never try to bend it into a narrow curve because it can cause the tube to break or crack Torque wrench Indoor unit Outdoor unit 0131_C_I Thickness Min 5 16 in Thickness
18. To operate the system controller properly zone registration is required after finishing the test run and after setting all indoor unit addresses using one of the following methods a Zone registration using the remote controller RCS SH80UG Refer to page 73 b Zone registration using the system controller GHA KC64UG Refer to page 74 c Automatic zone registration using the system controller GHA KC64UG Refer to page 75 For methods a and b you should make a zone registration table manually before performing the registration as shown on the next page For method c zone registration is executed automatically proceeding from small indoor unit address and small central addresses to larger numbers in numerical order For example Central address 1 2 3 4 5 6 ZONE group 1 1 1 2 1 3 1 4 1 5 1 6 Indoor unit address 1 1 1 2 2 1 2 2 2 3 3 1 NOTE 1 An indoor unit address is assigned to each indoor unit during automatic address operation Each indoor unit address combines an R C address and indoor unit number as follows 1 1 Indoor unit address UNIT No Indoor unit No Refrigerant circuit No R C address 2084_M_I This address is displayed on remote controller for UNIT No when the UNIT button is pressed 2 The central address represents the zone and group number These addressed are assigned in ascending numerical order 72 4359146 a Zone registration using the
19. button on the remote controller Fig 12 3 Press the ON OFF operation button to start the test run Press the MODE button to select either COOL or HEAT mode When the test run has started TEST shows on display of the remote controller During the test run the air conditioner runs continuously and the thermostat does not control the system After the test run press the button once again to cancel this mode and check that TEST is not shown on the display The TEST RUN button is used only for servicing the air conditioner Do not press this button for normal operation or the system may be damaged 85 TEST RUN CHECK button Alarm message ON OFF operation MODE button button 2057_C_I Fig 12 3 54359146 12 2 PCB Setting Setting of outdoor control PCB A Standard control single outdoor unit In case of single outdoor unit installation even if in case of twin triple or quartet type 2 3 or 4 indoor units no setting necessary Keep factory shipment state R C address is set in O In this case auto address operation takes place automatically for the first time when the power is switched on This takes about a few minutes B Group control Multiple outdoor units In case of group control up to 8 indoor units can be connected with one remote controller before turning
20. controller by 6P connector in the electrical component box Operating controller __ g a 1537_T1 55 4359146 RC WL 7 9 Electrical Wiring Signal receving unit Indoor PCB Operating controller w2 0 7 ft W1 4 3 ft 1 WHT WL BLK W3 4 3 ft Connection method 1 Connect W1 to the indoor PCB WL connector 2 Connect W3 from the indicator section with W2 from the operating controller using the relay connector 7 10 Test Run Switch Test run switch is located at operating control unit Regarding the test run please refer to section 12 Test Run Incase of 4 way air discharge type test run opera tion is not possible without the ceiling panel installa tion During the test run all of the 3 indicator lamps on the indoor unit will flash During the test run the air conditioner runs continu ously and the thermostat does not control the system To protect the air conditioner from overloading the outdoor unit will not start running for 3 minutes after power is applied or the air conditioner is turned off and then back on When the air conditioner fails to start the test run 1 or more of the 3 alarm indicator lamps on the indoor unit will flash See next section 56 2035_M_1I All OFF o for u
21. incorrect wiring will damage the equipment qup Signal receiving unit main sub Option O 1 2 RC Seas A iyi i Ep i WL To operate 1 indoor unit with 2 signal receiving unit TS as set at different places Ci a Remote control SIN X Connection wiring cable terminal 1 2 none _ ndoor unit Earth 2015_M_1I 64 4359146 8 HOW TO INSTALL THE WEEKLY TIMER OPTIONAL PART Do not supply power to the unit or try to operate it until the tubing and wiring to the outdoor unit is completed 8 1 Mounting Dimensions for Continuous Installation For vertical continuous installation the space between the weekly timer and the remote controller must be 1 in or more Do not twist the control ron wiring with the power wiring or run it in the same metal conduit because this may cause malfunction Install the weekly timer away from sources of electrical noise Install a noise filter or take other appropriate action if electrical noise affects the power supply circuit of the unit The mounting position for the weekly timer should be located in an accessible place for control Never cover the weekly timer or recess it into the wall 8 2 When Using a Wall Box for Flush Mounting If local codes allow this weekly timer can be mounted using a conventional wall box for flush mounting 1 Remove the flat top screw on the bottom of the back case When you open up the decorative cover
22. onto the 4 suspension bolts as shown in Figs 3 76 and 3 77 Use 2 sets of nuts and washers upper and lower so that the unit will not fall off the suspension lugs Hole in anchor Hole in plug Concrete Insert p a on LA Suspension bolt M10 or 3 8 field supply 0038_T_I Fig 3 74 Ceiling tiles 0039_S_1 Fig 3 75 Suspension bolt Suspension lug Nuts and washers 2 sets T Upper 4 Lower Fig 3 76 0041 X1 Suspension bolt Hexagonal nut 0784_U_I Fig 3 77 54359146 Fig 3 78 shows an example of installation Air outlet duct 3 24 Installing the Drain Piping 1 Prepare a standard hard PVC pipe for the drain and use the supplied hose band to prevent water leaks The PVC pipe must be purchased separately When doing this leave a gap between the drain socket of the unit and the PVC pipe to allow the drainage to be checked The transparent drain pipe allows you to check drainage Fig 3 79 Tighten the hose clamps so AN CAUTION their locking nuts face upward Fig 3 79 2 After connecting the drain piping securely wrap the supplied packing and drain pipe insulator around the pipe then secure it with the supplied clamps Fig 3 80 Make sure the drain pipe has a downward gradient 1 100 or more and that there are no water traps 37 Air outlet grille EA SS Le SN Ceiling material Indoor unit e Bolt anch
23. 2 of them can be used one is the main remote controller WD Remote controller and the other is the sub remote controller main __ sub __ l TEREE To set up a sub remote controller change its JJA Connection wiring HA IJJ for group control 4132 remote control address connector RCU ADR eae located on its PCB from main to sub position main ee when shipped from factory No 1 Ground earth Indoor unit No 8 2033_M_1 48 84359146 6 5 Wiring System Diagram for Multiple Remote Control E When Installing Multiple Remote Controllers This multiple remote controller system is used for operating the unit s at different positions A maximum of 2 remote controllers can be installed Setting method Remote controller address connector Remote controller To execute this control make the setting according to the following procedure TETA ig TOOL Main RCU check Sub RCU ADR 1 Of the two installed remote controllers make one the main remote controller factory shipped state 2 On the other remote controller change the address connector on the PCB from main to sub position In this state it functions as a sub remote controller 1992_M_I Basic wiring diagram nain sub Install wiring correctly Option caution incorrect wiring will damage ie the equipment
24. 3 73 and Table 3 4 show the detailed dimen eal O S SY sions of the indoor unit Air outlet duct flange z Unit inch Table 3 3 Unit inch mm 1977_U 1 Fig 3 72 Type 12 18 24 36 A Length 30 23 32 780 42 17 32 1 080 61 13 32 1 560 Number of duct flanges 7 3 4 Table 3 4 Unit inch No of holes Dimension A B c D E F G H l J K Type L M UH1242 UH1842 26 1 16 ae 27 9 16 30 23 32 11 13 32 10 5 16 26 25 32 28 5 32 7 3 32 13 3 8 8 12 UH2442 37 7 8 957 16 39 378 l42 17 32 11 13 32 10 23 32 38 19 32 39 31 32 5 1 8 921 82 Ig o7 39 12 16 7 3 32x5 9 21 32x1 54 11 32 19 9 32 UH3642 56 25 32 9 1 16x6 58 9 32 61 13 32 13 3 16 12 7 32 57 15 32 58 27 32 5 1 8 9 211322 9 7 16 16 18 N 7 M Refrigerant tubing joint narrow tube Sa 2 Peat aij m Refrigerant tubing joint wide tube sen Tl Hole I Upper drain port O D 1 1 4 in l r T z Bottom drain port O D 1 1 32 in 8 amp 3 LL J ik d J Li O Suspension lug al 8213 4 A O D Jla Power supply outlet 2 1 3 16 hole Fresh air intake port 95 29 32 hole i H Duct suspension bolt pitch Flange for the flexible air outlet duct 7 7 8 hole 6 gL G Ceiling opening dimension J Tube cover 2 ul 4 915 32 Electrical component box E ato Hole Flange for the air intake duct oe A i Option or field supply So 1 1 ees K 23 A A 5 ee Kd 12 7 32 oy 31 321 8 9 32 31 32 3 17 32 1
25. Brick Concrete or Similar Drill 3 16 in dia holes in the wall Insert raw plugs for appropriate mounting screws Fig 3 29 24 wall fixture 0943_T_I Fig 3 28 3 16 in dia hole a Rawl plug 0944_T_I Fig 3 29 Wall fixture 000 o0 Oo a l 200 00 O0 amp 20 Ob o0 Oo a 200 00 O0 L a Cy o o o ip o0 Oo o0 O0 ip 00 Oo o0 O0 o o o o o R o0 Oo o0 O0 oo o o Lr o a oOo o0 Oo o0 O0 o o 1355_M_I Fig 3 30 4359146 3 13 Removing the Casing to Install the Indoor Unit How to Remove the Casing 1 Remove the plastic cover Fig 3 31 2 Remove the clamp for the wiring connector Fig 3 32 3 Disconnect the wiring connector Fig 3 33 4 Set the flap in the horizontal position Fig 3 34 5 Remove the 3 screws Fig 3 34 6 Remove the casing Fig 3 34 When replacing the casing be careful not to crush the lead wires between the casing and the frame Fig 3 34 0947_T_I 25 84359146 Fig 3 33 Fig 3 31 2023_T_I Plastic cover Screw 0945_T_I Fig 3 32 Wiring connector 2024_T_I 3 14 Preparing the Indoor Side Tubing Lett tubing Tubing can be extended in 4 directions as shown in Fig 3 35 Arrangement for Left Tubing a Cut out the left tubing outlet Fig 3 36 Arr
26. If you make mistake then press the button and reset the central address 7 Press the button to finish zone registration 2050_M_I For example in this case Indoor unit address 1 8 Central address 17 ZONE 2 GROUP 1 Fig 9 7 73 84359146 sc b Zone registration using the system controller SHA KC640G In this case you set all central addresses by system controller at once manually 1 Press the and buttons at the same time for more than 4 seconds and CODE No C1 will flash 2 After confirming that CODE No C1 is displayed press the button Once in this mode a change takes place as Fig 9 8 3 Select the zone and group No which you want to set with and _ lt __ C gt GROUP buttons If already set press the buttons 4 Set the unit No Indoor unit address with and Z buttons according to the zone registra tion table RG NOs seinistir button Indoor unit No button 5 Press the button GROUP No turns ON and UNIT No Indoor unit address changes from flashing to ON state UNIT No is registered to selected ZONE No and GROUP No If you make mistake then press the button and reselect the ZONE GROUP and UNIT No 6 Register the other UNIT No in the same way by following the steps 8 to 5 7 Finally complete the registration by pressing the button SmO flashes for a few minutes then OFF If no dat
27. Li l2l 116 ZONEI Individual setting by remote controller can be PP lll ia ale l l central control i i ZONE1 i ZONE1 address 1 16 inhibitted by system controller central control __ remote control aa Remote control mode aoa NA E System controller is used as remote controller Mmaa OMAR q T eae ond Setting by system controller is inhibitted by other W eesee Sra ae central control equipments i a H T V4 H mM WT TT TT f 2 ALL Z NE d oy 23456 He 23456 A AEREO E GUE piam pima SS CA oiae Eja p i address 33 48 ALL mode l ai ieee eon f All indoor units can be controlled by system control E a E I etm ler n A 56 a 2 a 56 k K i Talal al Y Ae Talal laln po D S serra oial ZONE mode ZONE4 ZONE4 d l address 49 64 Indoor units in one of ZONE 1 2 3 or 4 can be eee i EE controlled by system controller O a acct aca 2048_M_I 3 Function of system controller is 10 types accord Fig 9 5 ing to combination of central control remote control mode and ALL ZONE mode setting as the table 9 1 4 Stick the system controller unit label in a con Table 9 1 spicugus positon Central control Remote control ALL 1 ALL Central 6 ALL Remote ZONE1 2 ZONE1 Central 7 ZONE1 Remote ZONE2 3 ZONE2 Central 8 ZONE2 Remote ZONE3 4 ZONE3 Central 9 ZONE3 Remote ZONE4 5 ZONE4 Central 10 ZONE4 Remote 71 84359146 sc 9 5 How to Perform Zone Registration
28. SHOULD ATTEMPT TO WIRE THIS SYSTEM e Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked e Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidentaly injury or death e Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause overheating 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 Ina 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 Sys tems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigera
29. bottom case of the weekly timer then run it behind the wall and connect it to the timer terminal 4P terminal of the remote controller Fig 8 4 Use the supplied collar for fastening the wire of the remote controller Connection wiring supplied out port lt Weekly timer gt lt Remote controller gt Fig 8 4 2020_C_I 66 4359146 pa gt C Pu stra ___ ON OFF ON OFF O o gt een a cee Fig 8 6 Back up switch 2022_M_I 9 HOW TO INSTALL THE SYSTEM CONTROLLER OPTIONAL PART Do not supply power to the unit or try to operate it until the tubing and wiring to the outdoor unit is completed 9 1 System Controller Installation Siichibox Do not twist the control lt ndcover Ne wiring with the power Max ta6in wiring or run it in the same metal conduit because this may cause malfunction install the system con troller away from sources of electrical noise 2041_C_I install a noise filter or take other appropriate action if electrical noise affects the power supply circuit of the unit If local codes allow this system controller can be mounted using a conventional wall box for flush mounting 1 Remove the flat top screw on the bottom of the back case When you open up the decorative cover you will see two gaps under
30. button The auto address operation will start CODE No changes from flashing to ON state Ifthe error is happened during the operation the alarm message will display Check and remove the cause If you want to interrupt the operation press the button then the unit stands in waiting mode Press the button Ifthe auto address operation finishes the display will disappear Execute the operation of the other R C line in the same way by following the above steps to Complete the auto address operation by pressing the button Required time for auto address operation In case of group control a few minutes for each R C max about 20 min for In case of central control each R C 12 5 Displaying Indoor Outdoor Unit Combina tion Numbers Display the indoor outdoor unit address after auto matic address setting 1 88 When installing multiple units match the indoor unit address numbers and the outdoor R C address numbers and display them at an easy to check location near the nameplate with an oil based magic marker or other indelible marker so that the individual indoor and outdoor unit combi nations can be checked Example Outdoor Unit 1 Indoor Units 1 1 1 2 1 3 Outdoor Unit 2 Indoor Units 2 1 2 2 2 3 This is necessary for maintenance Always label these Check indoor unit address with the remote controller Press the button for at
31. cannot be detected F3 Indoor room air intake temp can not be detected F10 Outdoor thermistor is either Discharge gas temp comp THOA cannot be detected F4 open or damaged Outdoor coil gas temp C2 THOC cannot be detected F25 Outdoor coil liquid temp C1 THOD cannot be detected F7 EEPROM ICB of PCB failure F29 Fault with Protective device for comp is Comp motor is overloaded H1 SA andits activated Comp motor is locked H2 Current of comp cannot be detected when it is turned on H3 Current of comp is detected when it is not operated F27 Comp contactor Mg SW is chattering H18 Possible cause of Malfunction Alarm message Model setting of indoor unit is not matching the outdoor unit L2 When using group control main indoor unit address setting is duplicated L3 Judging by indoor unit Outdoor unit address R C No is duplicated L4 Priority setting of indoor unit is duplicated L5 L6 Improper wiring between indoor units s N Pere L7 There is group connection wiring in case of individual control Capacity code of indoor unit is not set L9 Improper wiring of group control wiring L11 Possible Cause of Malfunction The following messages are displayed only for the system controller See e Serial Syst wolierisit itti e Indoor or outdoor unit is not working correctly commu Sere nee sg IS transmitting Control lines between indoor unit outdoor unit and system C05 nication iad eal controller are
32. controller indoor unit 3 Do not use remote controller switch for the remote control sensor if the remote sensor is being used jointly with the remote controller switch 49 54359146 RC WD 6 7 Explanation of Alarm Messages Possible Cause of Malfunction Alarm message e Serial Remote controller is detecting Error in receiving serial communications signal E1 commu error signal from indoor unit Error in transmitting serial communications signal E2 nication e Indoor unit is detecting error signal from the remote controller E3 errors No serial communications signal e Mis setting FF F oni Indoor unit is detecting error Error in receiving serial communications signal E4 signal from outdoor unit Error in transmitting serial communications signal E5 Outdoor unit is detecting error Error in receiving serial communications signal signal from indoor unit E6 Indoor unit is not working e Indoor unit is damaged correctly e Power is not supplied Outdoor unit is transmitting error Error in transmitting serial communications signal E7 signal Improper setting of indoor unit or Indoor unit address setting is duplicated E8 remote controller Remote controller address RCU ADR switch is duplicated E9 Do not press Auto address button S001 A ADD of another E12 R C line during Auto address operation When using group control main
33. correctly connected and all electrical connections are tight The protective spacers for the compressor used for transportation have been removed If not remove them now The transportation pads for the indoor fan have been removed If not remove them now 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 12 1 Both the wide and narrow tube service valves are open If not open them now Fig 12 2 Test run procedure ren rrr ALL ETT LLLILILILET Uff LELELI ITT ZZZZ ON Power must be turned ON at least 5 hours before attempting test run Power mains switch 0765_C_I Fig 12 1 Narrow tube service valve 3 way valve Wide tube service valve ball valve Fully OPEN Fully OPEN 1371_CI Fig 12 2 1 The purpose of the test run function is to let you control the operation of the unit directly without the thermostat turning the unit on or off As indicated in the following procedure switch out of TEST RUN when you are finished or the air conditioner can be damaged because it will not cycle on and off normally 1 To protect the air conditioner from overloading the outdoor unit will not start running for 3 minutes after power is applied or the unit is turned OFF Press the TEST RUN
34. failure the unit must be grounded To prevent possible hazards from insulation Each wiring connection must be done in accor dance with the wiring system diagram Wrong wiring may cause the unit to misoperate or become damaged compressor or any moving parts of the fan be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes Unauthorized changes in the internal wiring can Do not allow wiring to touch the refrigerant tubing Regulations on wire diameters differ from locality to locality For field wiring rules must follow your LOCAL ELECTRICAL CODES before beginning You must ensure that installation complies with all relevant rules and regulations To prevent malfunction of the air conditioner caused by electrical noise care must be taken when wiring as follows The remote control wiring and the inter unit control wiring should be wired apart from the inter unit power wiring Use shielded wires for inter unit control wiring between units and ground the shield on both sides If the power supply cord of this appliance is damaged it must be replaced by a repair shop appointed by the manufacture because special purpose tools are required 10 All wiring must be used class 1 5 2 Recommended Wire Length and Wire Diameter for Power Supply System Must follow LOCAL ELECTRICAL CODES for wiring Outdoor Unit
35. for routing m eraa are remote control ea i roy i cable for Aem H i oE 4 JIS CB8340 i i i One switchbox Hi H no cover 1 D L J 1987_C_1 P 3 17 32 in or more 4 29 32 in or more from wall during continuous installation Wall Hole for routing remote control cable JIS CB8340 Two switchbox no cover 1988_C_I 54359146 RC WD 6 2 Wired Remote Controller Installation a er 1 ee 4 Do not supply power to the unit or try to operate it until the tubing and wiring to the outdoor unit is completed Do not twist the control wiring with the power wiring or run it in the same metal conduit because this may cause malfunction Install the remote control ler away from sources of electrical noise Install a noise filter or take other appropriate action if electrical noise affects the power supply circuit of the unit If local codes allow this remote controller can be mounted using a conventional wall box for flush mounting When you open the decorative cover you will see two gaps under the remote controller Insert a coin into these gaps and pry off the back case Fig 6 4 Attach the back case with the 2 small screws provided Using a screwdriver push open the cut outs on the back case These holes are for screws Use the spacers and take care not to tighten the screws excessi
36. fresh air If it is necessary to draw in fresh air remove the cover by knocking out and connect the duct to the indoor unit through the connection port Fig 3 68 If connection at the right rear on the Panel Top is not appropriate another duct connection port can be made by cutting an opening on the left side of the Rear Panel Fig 3 68 1017 M1 of the indoor unit as shown in Fig 3 69 Panel Top 2442 3642 4242 A 3 15 16 7 3 32 B 1 3 8 1 31 32 Cut this portion 3 21 Installing the Drain Piping Prepare a standard PVC pipe for the drain and connect it to the indoor unit drain pipe with the gt supplied hose clamps to prevent water leaks RP YE l 4 1132 Connect the drain piping so that it slopes downward from the unit to the outside Fig 3 70 Never allow traps to occur in the course of the piping Insulate any piping inside the room to prevent dripping Use the supplied drain pipe to connect the drain pipe with the drain outlet of the indoor unit After connecting the drain pipe securely wrap the O Good 1353_M_I Min 1 100 supplied drain pipe insulator around the pipe seal the gap at the drain socket with the supplied black insulation tape then secure it with clamps Fig 3 71 After the drain piping pour water into the drain pan aY to check that the water drains smoothly x Not good Check local electrical codes o
37. heater or other heat source it can cause the generation of poisonous gas CONTENTS Page IMPORTANT Please Read Before Starting 1s GENERAL svsitsccccrisecsssscsscecssadscctesaevneetentvesnnssctiaseenaces 4 1 1 Tools Required for Installation Not Supplied 1 2 Accessories Supplied with Unit 1 3 Type of Copper Tube and Insulation Material 1 4 Additional Materials Required for Installation 1 5 Tubing Length 2 SELECTING THE INSTALLATION SITE 00 10 Indoor Unit Outdoor Unit 2 1 Air Discharge Chamber for Top Discharge 2 2 Installing the Outdoor Unit in Heavy Snow Areas 2 3 Precautions When Installing in Heavy Snow Areas 2 4 Dimensions of Snow Wind proof Ducting and Refrigerant Tubing Space for Installation HOW TO INSTALL THE INDOOR UNIT 14 E 4 Way Air Discharge Semi Concealed Type XH TYDE seid te ce scectpeactgeateet cate deaees ages teeyenteteageenaite dats 14 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 Suspending the Indoor Unit Preparation for Suspending Placing the Unit Inside the Ceiling Installing the Drain Piping Checking the Drainage Before Installing the Ceiling Panel Installing the Ceiling Panel When Removing the Ceiling Panel for Servicing Duct for Fresh Air mM Wall Mounted Type KH Type oescscscccecerrsre 22 3 10 3 11 3 12 3 13 3 14 3 15 3 16 3 17 3 18 Removing the Wall Fixture from the Unit Selecting
38. least 4 seconds and check the indoor unit address with the button Each time you press the button the address changes 1 1 1 2 2 1 2 2 The fan for only the selected indoor unit turns on at high speed so check which indoor unit runs and label the indoor unit address If there is 1 outdoor unit the addresses are 1 1 1 2 When you press the button again the system returns to normal remote control mode 54359146 12 6 Test Run Procedure Turn on RCU address SW of sub remote control unit Multiple remote control No Recheck the test items before test operation Sec 12 7 Check the indoor and outdoor unit combination wiring Sec 5 3 Single type One indoor unit and one remote controller for one outdoor unit Multiple indoor units for one outdoor units Yes Yes Turn on power supply for indoor units side first Then turn on power supply for outdoor unit side Group control for multiple outdoor units Yes Go next R C line Set the outdoor unit R C address Turn on power supply switch Sec 12 2 B No or Press A ADD S1 button See P87 Execute auto address operation with the remote controller Sec 12 4 Yes Finish all 96G R C line Central control for multiple outdoor units Yes CN4 Open Set the outdoor unit R C address Turn
39. not wired correctly rors System controller is detecting e Same as for C05 above C06 e Mis setting incorrect signal e Connector CN1 is not connected correctly Activation of Protective device of the sub When using wireless remote controller or system controller protective indoor unit is activated in group connect wired remote controller with the indoor unit temporarily P30 device contorl to check the alarm message in detail NOTE RC Refrigerant Circuit comp Compressor temp Temperature PCB Printed Circuit Board 51 54359146 RC WL 7 HOW TO INSTALL THE WIRELESS REMOTE CONTROLLER OPTIONAL PART When using this air conditioner ECO multi system air conditioner with the wireless remote controller it may sometimes be impossible to change the operation modes while other indoor unit is running When this happens a double beep tone sounds D the operation lamp lights up and the Timer lamp and Standby lamp blink alternately Operation is the same even during AUTO mode automatic cooling or heating A beep tone sounds 5 times and no changes can be made when any of the ON OFF MODE Tem perature setting buttons were pressed while set Under central control by the system controller J 7 1 Wireless Remote Controller Installation The remote controller can be operated from either a non fixed position or a wall mounted position To ensure that the air conditioner operates co
40. obtained by connecting to the service connector as shown in the drawing For information on how to connect to the signal receiving unit refer to instruction manual that comes with the dedicated service check lines 2013_M_I Service x connector _ ALL O RCU SUB PCB CHK TEST RUN in RCU MAIN NORMAL Fig 7 23 Table 7 2 Lamp OPERATION TIMER STANDBY Bright Cause of Trouble lamp lamp lamp No power supply or mis wiring of signal receiving unit S C errors between the indoor unit s controller PCB and i e signal receiving unit e a S C errors between indoor and outdoor units J ses i Alternately Indoor unit protector is activated a es Alternately Outdoor unit protector is activated at Compressor protector is activated es ko Concurrent Mis setting of indoor unit at O i Concurrent Mis setting of outdoor unit S C Serial communications OPERATION lamp TIMER lamp amp STANDBY lamp FILTER lamp Oe Ge Fig 7 24 61 54359146 OG 2014_M_I RC WL 7 16 Basic Wiring Diagram Install wiring correctly Use shielded wires for inter unit control wiring and caution incorrect wiring will damage ground the shield on both sides Fig 7 25 the equipment Otherwise misoperation because of noise may
41. occur Shielded wire ground ground 0797_M_I Group Standard Multiple Fig 7 25 control Connection wiring remote control remote control for group control AE na 12 12 Inter unit control wiring _ Outdoor unit Ground earth 2036_M_I Inter unit wiring RC a WL Group control wiring O O O Main Sub 2031_M_1 Wiring procedure Install the wiring according to the above wiring diagram The address setting is automatically ex ecuted after turning on the system An indoor unit address is assigned to each indoor unit Operation takes place successively at intervals of 1 second by using combinations of the address setting of each unit 62 84359146 7 17 Wiring System Diagram for Group Control This diagram shows when several units maximum of 8 are controlled by a signal receiving unit master unit In this case a signal receiving unit can be connected at any indoor unit Signal receiving unit Connection wiring for Wire joint 2 wires Inter unit control wiring Outdoor unit Ground earth 2037_M_I Group control using 2 signal receiving unit It does not matter which of the 2 signal receiving unit you set as the main controller Signal receiving unit HAR Connection wiring
42. on power supply switch y Sec 12 2 C Press A ADD S1 button See P87 Execute auto address operation with the remote controller No or Sec 12 4 Yes Finish all R C line Display the combination number Sec 12 5 gt Set the remote controller to test operation Sec 12 1 Sec 12 8 9 10 Check according the self diagnostics function table see Sec 12 8 9 10 and if there is a location to correct correct it Is operation possible Note Check the indoor side drain water Yes Return the remote controller to normal NOTE 1 One of CNO06 of all linked outdoor units shold be short 0509_M_I 2 Incase of using system controller zone registration is required after finishing Test run Regarding the zone registration please refer to page 74 and 75 89 84359146 12 7 Items to Check Prior to Test Run Turn on the power supply switch more than 5 hours before in order to charge the crank case heater Fully open the outdoor service valve after making the leak inspection of field connected tubing vacuuming and gas charging if necessary Check the capacity code setting ae The factory setting is as shown in the table Double check it The capacity code is set by S4 green or blue 4P DIP switch on outdoor control PCB Outdoor control PCB S4 green or Blue capacity code
43. p Left j T a Right side 4 A side cover Bottom aut cover 1361_T 1 L shaped tube Fig 3 41 Fig 3 42 L shaped tube 1359_T1 1360_T_I Fig 3 43 26 84359146 3 15 Wiring Instructions General Precautions on Wiring 1 Before wiring confirm the rated voltage of the unit as shown on its name plate then carry out the wiring closely following the wiring diagram 2 Provide a power outlet to be used exclusively for each unit a power supply disconnect and circuit breaker for overcurrent protection should be provided in the exclusive line 3 To prevent possible hazards from insulation failure the unit must be grounded All wiring must be connected tightly z Do not allow wiring to touch refrigerant tubing compressor or any moving parts of the fan Unauthorized changes in the ANa internal wiring can be very dangerous The manufac turer will accept no respon sibility for any damage or misoperation that occurs as a result of such unautho rized changes o1 a 27 54359146 3 16 Wiring Instructions for Inter Unit Connections a Insert the inter unit wiring according to local codes into the through the wall PVC pipe Run _ the wiring toward the indoor side allowing approx seer L 5 to extend from the wall face Fig 3 44 Never fix the wiring by any e means before the indoor unit is fully seated on the rear panel b Remove the side cover and the metallic cover
44. remote controller RCS SH80UG Determination of central address In this case after confirming which indoor unit is connected to the remote controller and that the air conditioner in the OFF state you set the central addresses one at atime f the system has no remote controller connect a remote controller to the system temporarily Then follow this procedure The indoor unit address must already have been set before performing zone registration If necessary refer to the Installation Manual supplied with the outdoor unit 1 Press the and buttons at the same time of the remote controller for more than 4 seconds 2 Do not press buttton 3 Once in this mode the UNIT No CODE No No of SET DATA and MMY indications will flash on eae eet ree _ the display as shown Fig 9 6 ORORS NOTE Cs In case of group control ALL instead of UNIT No Ca will flash on the display Select the main indoor unit address by pressing the button once 4 Set CODE No to 03 using the _a_ and Cv _ buttons The CODE No 03 must be selected to perform zone registration using the remote controller 5 Set the Central address which you want to assign to the indoor unit address using the _a__ and C v buttons according to the zone registration table 6 Press the button The CODE No and Central address changes from flashing to ON state
45. the system controller Insert a coin into these gaps and remove the back case Figs 9 1 9 2 2042_M_I 2 Connect the wires to terminal base of the system Fig 9 2 controller see next page 3 Attach the back case with the 2 M4 screws provided 4 To finish fit the back tabs of the back case into the system controller and mount it using the flat top screw 67 54359146 9 2 Electrical Wiring How to connect electrical wiring 1 Connect B1 B2 to indoor PCB CRV connector using accessary 2P connector No polarity Total wire legth is less than 985 ft and size is AWG 18 2 Connect B5 B6 to indoor unit 2P terminal base No polarity Wire size is AWG 18 Basic BT B3 B4 B5 B6 al wiring Power supply DC12V No polarity To CRV connector CN91 on indoor PCB Not be used Auxiliary of inter unit control wiring Inter unit control wiring Low voltage To indoor unit 2P terminal base U1 U2 No polarity Terminals for remote monitoring A1 A2 A3 A4 A5 AG Input for turning on air conditioners concurrently Input for turning off air conditioners concurrently Common input for turning air conditioners on or off On operation state indicator output Alarm indicator output Common indicator output Basic wiring diagram of control wiring Max 64 indoor units and 30 outdoor units can be connected in 1 system ae Upto 10 sy
46. to the unit as possible Fig 3 11 0047_X_I Fig 3 8 be 11 3 4 in or less as short as possible 19 11 16 in or less Provide insulation for any drain pipes that are installed indoors Support pieces 0050_X_I Fig 3 11 16 84359146 3 5 Checking the Drainage After wiring and piping are completed use the follow ing procedure to check that the water will drain smoothly For this prepare a bucket and wiping cloth ready to catch and wipe up spilled water Do not supply power to the a unit until the tubing and wiring to the outdoor unit are completed 1 Take off the tube cover and through the opening slowly pour about 43 oz of water into the drain pan to check drainage 2 Do Test Run to check the drainage after complet ing installation When performing Test Run be sure to observe the Test Run procedure Refer to page 89 Be careful since the fan will CAUTION start turning when checking the drainage 3 After drain checking is finished return the Operation Selector switch to the RUN position ON position and remount the tube cover To mount the tube cover ren use 5 16 4 x 8 mm tapping screws Do not use long screws as they may punc ture the drain pan and cause water leakage 17 54359146 5 16 4 x 8 mm tapping screw SF ome Tube cover 0966_X_I E Ceiling Panel Never touch or attempt to X N CAUTION move the
47. ty Part Name Figure Q ty Operation controller 1 Spacers 2 Pan head tapping screws 1 4 ndicator section ers z Truss head tapping screws Wireless remote controller 1 4x 5 8 in pping Op 2 Wireless remote controller 4 Vinyl clampers 3 mounting cradle L 5 29 32 lt Batteries Q 2 Wire joints D p 4 lt RCS BH80UA WL gt Part Name Figure Q ty Part Name Figure Q ty Separate type signal receiving unit 1 Small screws 2 comes with 7 7 8 in wire M4 x 1 9 16 in fe Carrier for ceiling installation a 1 Wood screws P 2 SM Wireless remote controller 1 Spacers oo 4 Wireless remote controller 1 Wire joints 4 mounting cradle Da Batteries QO 2 Clamper 1 Machine screws g 2 Ceiling installation paper pattern 1 om L M4 x 1 in 3 3 4 x 2 1 32 in 7 54359146 Table 1 8 Accessories for the Weekly Timer Part Name Figure Q ty Part Name Figure Q ty Weekly timer 1 Wood screws g7 2 gr Connecting wiring 11s 2 length 4 ft eS Machine screws gus 2 Clampers 2 M4 x 1 in gs P AA Table 1 9 Accessories for the System Controller Part Name Figure Q ty Part Name Figure Q ty Label System comiialley g 1 identification label 1 Rubber bushing Label 718 in O 4 Terminal base label l 1l Screws for fixture 2 1 3 16 in gm 8 84359146 1 5 Tubing Length Ref
48. you will see two gaps under the weekly timer Insert a coin into these gaps and remove the back case Figs 8 2 8 3 2 Attach the back case with the 2 small screws provided Using a screwdriver push open the cut outs on the back case These holes are for screws Use the spacers and take care not to tighten the screws excessively If the back case does not sit well cut the spacers to a suitable thickness Fig 8 2 3 Connect the 4 wires to the weekly timer 4P terminal base see next page 4 To finish fit the back tabs of the back case into the weekly timer and mount it using the flat top screw 65 Spacer Switch box 2016_C_I Concealed box M4 x 31 32 in Screws 2 2017_C_I timer Decorative cover Fig 8 2 Control panel 2018_M_I Fig 8 3 54359146 8 3 Wiring Diagram 8 4 Test Run Setting For wiring always use the supplied wires Timer terminal y Timer terminal Remote controller or System controller PON ale ne pai ata aka S ley Connection wiring Supplied ENI Layout The weekly timer and remote controller may be located either one on the left or right sides Wiring procedure Do the wiring according to the following procedure pa Jra CC put sta C_ ON OFF To oe oe ON OFF
49. 12 Min 4 Duct Outdoor Unit Min 4 12 Unit inch 1117_C1I In regions with snow fall the outdoor unit should be provided with a platform and snow proof duct x TM Snow proof ducting High platform 0937_C_I Fig 2 6 Without snow proof ducting Low platform Fig 2 5 Higher than the maximum snow depth Intake Platform foundation About 1 2 of the unit height 0488_C_I Fig 2 7 0490_C_I 54359146 3 HOW TO INSTALL THE INDOOR UNIT E 4 Way Air Discharge Semi Concealed Type XH Type 3 1 Suspending the Indoor Unit This unit uses a drain pump Use a carpenter s level to check that the unit is level Hole in anchor Hole in plug woe meee 4 Concrete Insert 7 3 2 1 2 Table 3 1 Preparation for Suspending Fix the suspension bolts securely in the ceiling using the method 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 Follow Fig 3 2 and Table 3 1 to make the holes in the ceiling Unit inch mm Type Length i A B XH1242 XH1842 XH2442 32 9 32 820 22 9 32 566 PNR XH2442 XH3642 XH4242 PNR XH3642 43 11 1
50. 442 PMB asoy XH1242 XH1842 XH2442 PNR XH3642 CHB GSArA0U XH3642 XH4242 2 5 32 1 Accessories Detail of fresh air intake Check that the following parts are in the box when unpacking Fig 3 16 ee NAME QTY REMARKS Cord with socket Connecting line Not necessary for 9P gS 1 intaking fresh air Screw Air intake filter M5 x L5 in e 4 for fastening Screw Duct connection flange box M4 x L1 2 in Q 7 for fastening Duct connection box 1 for fresh air Duct connection flange 1 for connecting fresh air duct 2 Installation Installation steps a to e are the same for both the CMB GSJ80U and the GSJ140U The drawing illustrates installation of air intake plenum to the CMB GSJ80U Installation Screws Socket cover Panel lead wire 8P a Installing the air intake plenum Set the air intake plenum to the indoor unit taking care not to set the incorrect direction Fig 3 17 Fasten the air intake plenum with the accessory screws M5 x L5 in 4pcs Fig 3 17 b Installing the duct connection box Clamper Fasten the duct connection flange to the duct Aerie connection box with the accessory screws plenum M4 x L1 2 in 4pcs Fig 3 18 Put the duct connection box into the rectangular hole of the air intake plenum and fasten it to the both sides of the indoor unit and plenum with the accessory screws M4 x L1 2 i
51. 6 1 110 33 11 16 856 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 the unit and the panel Refrigerant tubing joint wide tube side Ja A A 1S 5 Suspension bolt M10 or 3 8 field supply Fig 3 1 0038_T_I X A Ceiling opening B Suspention bolt pitch ee Cee 32 9 32 Ceiling opening 29 13 16 Suspention bolt pitch Refrigerant tubing side 1969_X_S Fig 3 2 Drain connection another side VP25 Refrigerant tubing joint narrow tube side Suspension lug 1 3 16 1970_X_S Fig 3 3 Table 3 2 Unit inch mm Type Length A B C D E XH1242 XH1842 XH2442 6 3 16 7 5 32 10 9 32 12 1 8 4 7 8 PNR XH2442 157 182 261 308 124 XH3642 XH4242 6 3 16 7 5 32 11 15 32 13 1 16 4 7 8 PNR XH3632 157 182 291 338 124 14 54359146 3 3 Placing the Unit Inside the Ceiling 1 When placing the unit inside the ceiling deter mine the pitch of the suspension bolts using the supplied full scale installation diagram Fig 3 4 The size of the opening for the indoor unit can be confirmed by attaching the ful
52. 7 92 L B 11 782 mote SS i P 6 7 8 a z ai t Hole 3 d Koo A 3 nN i Inspection access A j 39 17 23 32 e O a0 1 1728 80 g T 3 _ Field supply ee fi 4 e a fa A LN T l T al C 1 9 16 yy 2 1 3 8 S D T 6 29 32 z os Suspension bolt pitch ya 2 3 4 3 1 8 11 7 32 2 15 16 amp 2 9 16 Fig 3 73 84359146 35 Inspection access panel 1978_U_I 3 23 Suspending the Indoor Unit Depending on the ceiling type Insert suspension bolts as shown in Fig 3 74 or Use existing ceiling supports or construct a suitable support as shown in Fig 3 75 It is important that you use extreme care in supporting the indoor unit inside the 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 When placing the unit inside the ceiling deter mine the pitch of the suspension bolts referring to the dimensional data on the previous page Fig 3 73 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 unit inside the ceiling Screw in the suspension bolts allowing them to protrude from the ceiling as shown in Fig 3 74 Cut the ceiling material if necessary Thread the 2 hexagonal nuts and washers field supply
53. A WA gt ren If the signal receiving unit is installed near rapid start type or inverter type fluorescent lamp neither one having glow lamps it may be impossible to receive signals from the wireless remote control ler To avoid signal inter ference from fluorescent lamps install the receiv ing unit at least 6 6 ft away from the lamps and install at a location where wireless remote controller signals can be received when the fluorescent lamps are on 7 12 Separate type Signal Receiving Unit Installation er Do not twist the operating controller wires together with the power supply wires Doing so can result in malfunction If noise is induced in the unit power supply take appropriate measures for example installing a noise filter If local codes allow this signal receving unit can be mounted using a conventional wall box for flush mounting 1 Insert a minus driver into the gap under the signal receving unit and pry off the cover Fig 7 14 2 Attach the signal receving unit with the 2 small screws provided Use the spacers and take care not to tighten the screws excessively If the signal receving unit will not seat well cut the spacers to a suitable thickness Fig 7 13 3 Connect the signal receving unit wiring 2 wires correctly to the corresponding terminals in the electrical component box of the indoor unit rer When wiring do not connect the signal recevi
54. E How to read the diagram The vertical axis is the external static pressure Pa while the horizontal axis represents the AIR FLOW CFM The characteristic curves for HT H M and L fan speed control are shown The nameplate values are shown based on the H air flow For the 24 type the air flow is 636 CFM while the external static pressure is 49 Pa at H position If external static pressure is too great due to long extension of duct for example the air flow volume may drop too low at each air outlet This problem may be solved by increasing the fan speed as explained above 39 54359146 4 HOW TO INSTALL THE OUTDOOR UNIT 4 1 Removing the Protective Spacer for Transportation Remove the packing skid from the bottom of unit and then remove the plastic spacer used to secure the compressor during transportation Fig 4 1 Place the unit on a level concrete pad block or equal and anchor Refer to Section 2 Selecting the Installation Site 4 2 Installing the Outdoor Unit 1 Install blocks or a solid platform under the out door unit which provides a minimum height of 6 in from ground level Fig 4 2 2 The outdoor unit must be bolted down tightly to the blocks or platform with 4 anchor bolts 4 3 Tubing Direction Tubing can be extended in 4 different directions as shown in Fig 4 3 Service valves are housed inside the unit To access them remove the access panel by remo
55. EBE GO Fc No DHARE ooon me o0 84359146 2053_M_1I Fig 9 10 sc E How to check overlapping of central address No 1 Press the and buttons at the same time for more than 4 seconds SMO and CODE No C1 will flash Select CODE No C3 by pressing __a_ C v g button and press the button C3 changes from flashing to ON state and will flash Then auto overlap checking will start If C3 changes from ON to flashing and stops flashing and disappears there is no over lapping Then finally complete the auto overlap checking mode by pressing the button If some of GROUP No ZONE No and UNIT No flash you should try again the zone registration Select CODE No C1 by pressing _a_ C v button and press the button 2 Select the flashing GROUP No with ZONE and GROUP button Then press the button and reselect the ZONE GROUP and UNIT No 3 Then finally complete the auto overlap checking mode by pressing the button 76 eca 84359146 2054_M_I Fig 9 11 ZONE registration table Central Indoor unit Central Indoor unit l ZONE GROUP address UNIT No Unit location ZONE GROUP address UNIT No Unit location
56. Fig 3 45 or 3 46 depending on model c Secure the conduit connector to the chassis with a lock nut Fig 3 45 or 3 46 d Give some play to the inter unit wiring from the outdoor unit to the corresponding terminals on the terminal plate Be sure to refer to the ee wiring system diagram label inside the metallic cover and carry out the correct field wiring Wrong wiring can cause the unit to malfunction Connector Check local electrical codes and any specified wiring instructions or limitations e Secure the metallic cover with its screw Then replace the side cover Connector conduit Fig 3 45 0968_T_I 28 84359146 Metallic cover Wall 1362_T_1 Wall fixture Wall Wiring F ig 3 44 1363_T1 Side cover 1395_T_1 Fig 3 46 3 17 Shaping the Tubing Shape the refrigerant tubing so that it can easily go into the hole Fig 3 47 Push the wiring refrigerant tubing and drain hose through the hole in the wall Adjust the indoor unit so it is securely seated on the wall fixture Carefully bend the tubing if necessary to run along the wall in the direction of the outdoor unit and then insulate to the end of the fittings The drain hose should come straight down the wall to a point where water runoff will not stain the wall Connect the refrigerant tubing to the outdoor unit After performing a leak test on the connection insulate
57. a is registered no number is displayed Selected group No if no data is registered If data is registered the unit No GROUP is displayed CDO 74 DORH opan 5a 00c 2051_M_I ZONE qe eF D 34 92 UNT No SIA R C No GROUP Gan Gar CSTD OQeORSK anaon 5 a00 C For example in this case Zone 3 group No 7 Unit No indoor unit address 2 8 Unit No 2 8 is registered to zone 3 group 7 Fig 9 9 84359146 c Automatic zone registration using the system controller SHA KC64UG Press the and buttons at the same time for more than 4 seconds and CODE No C1 will flash Select CODE No C2 by pressing _a_ and Cv g button and press the button C2 changes from flashing to ON state and automatic zone registration will start Registered GROUP No will be disappeared all Central address will be assigned from small indoor unit address to large one in numerical order automatically Finishing automatic zone registration changes from flashing to OFF If the error is happened the CHECK starts flashing and zone registration finishes at this time Press the button Finally complete automatic zone registration mode by pressing the button MNO flashes for a few minutes then OFF 75 i B
58. actory set to the indoor unit sensor To switch to the remote controller sensor press the sensor switching button located inside the remote controller cover and check that A C SENSOR on the LCD display panel goes out lf the sensor switch is set to the remote controller side Sensor button 1996_M_I but no room temperature data is sent to the main unit Fig 7 3 for 10 minutes the sensor is automatically switched to the indoor unit side As much as possible install the remote controller facing the unit 7 3 Address Switches If you are installing more than 1 indoor unit up to 6 in the same room it is necessary for you to assign each unit its own address so they each can be operated by their remote controller Up to 6 indoor units can be controlled separately through the address switches The operating control has the reception address switch and the remote controller has transmission address switch This function is utilized by matching the transmission and reception address switches Remote controller ceo ADR ADR T P T address display ML l _ it Address switch Any address 123 123 123 positions switch position oo Cm om cooo _ a available 7 4 Setting the Model Code Flap display selector switch Make the slide switch settings in the battery compartment box of the remote controller depending on the type of indoor unit in which
59. ain h c If the drain hose will run in the room insulate the easel nese so that chilled condensahun will not damage Fig 3 53 furniture or floors Fig 3 54 Foamed polyethylene or its equivalent is recom mended Condensation Do not supply power to the 6 Pe ANC unit or operate it until all or tubing and wiring to the Insulation material outdoor unit are completed field supply must be used 0958 T1 Fig 3 54 30 54359146 E Ceiling Mounted Type TH Type 3 19 Suspending the Indoor Unit 1 Place the full scale diagram supplied on the ceiling at the spot where you want to install the indoor unit Use a pencil to mark the drill holes Fig 3 55 Since the diagram is made of paper it may shrink or stretch slightly because of high temperature or humid ity For this reason before drilling the holes maintain the correct dimensions between the markings 2 Drill holes at the 4 points indicated on the full scale diagram 3 Depending on the ceiling type a Insert suspension bolts as shown in Fig 3 56 or b Use existing ceiling supports or construct a suitable support as shown in Fig 3 57 It is important that you use extreme care in supporting the indoor unit from the ceiling Ensure that the ceiling is sufficiently strong enough to support the weight of the unit Before hanging the ceiling unit test the strength of each at tached suspension bolt 4 Screw in the suspension b
60. air direction louver by hand or you may damage the unit Instead use the remote control unit if you want to change the direction or air flow 3 6 Before Installing the Ceiling Panel 1 Remove the air intake grille and air filter from the ceiling panel Figs 3 13 and 3 14 a Remove the 2 screws on the latch of the air intake grille Fig 3 13 b Press on the 2 latches of the air intake grille with your thumb in the direction of the arrow to open the grille Fig 3 13 c With the air intake grille open about 45 remove the safety string hook on the grille side Fig 3 14 d Pull the air intake grille towards you to remove it from the ceiling panel Pull down the two panel catches on the body of the indoor unit body Fig 3 15 0149 X_I Air filter WET LY OS LL 2 LL Lit LU Ly Fig 3 14 54359146 0150_X_1 3 7 Installing the Ceiling Panel 1 Lift the ceiling panel and position it to align the panel hook with the panel catch of the indoor unit The ceiling panel must be mounted in the correct direction Note that the 2 catches of the panel differ in size Confirm that the catches are correctly matched be tween the ceiling panel and the indoor unit body 2 Next check to see that the ceiling panel is prop erly aligned with the seamline of the ceiling If it is not remove the ceiling panel and slightly readjust the indoor unit body to the
61. anation of Alarm Messages HOW TO INSTALL THE WIRELESS REMOTE CONTROLLER OPTIONAL PART cis cscsestssssscssceccacvessscecossscareasaszecvezes 52 7 1 Wireless Remote Controller Installation 7 2 Room Temperature Sensor Setting 7 3 Address Switches 7 4 Setting the Model Code lt RCS SH80UA WL gt MH 4 Way Air Discharge Semi concealed Type XHP oinera 54 7 5 Indicator section Installation 7 6 Operating Controller Installation E Ceiling Mounted Type TH Type esesseeseeeeee 55 7 7 Indicator Section Installation 7 8 Operating Controller Installation 7 9 Electrical Wiring 7 10 Test Run Switch 7 11 Misoperation Alarm Indicators lt RCS BH80UA WA gt 7 12 Separate type Signal Receiving Unit Installation 7 13 Electrical Wiring 7 14 Test Run Switch 7 15 Misoperation Alarm Indicators 7 16 Basic Wiring Diagram 7 17 Wiring System Diagram for Group Control 7 18 Wiring System Diagram for Multiple 10 11 12 13 HOW TO INSTALL THE WEEKLY TIMER OPTIONAL PART siscorssssacteatsnarascsncncssssesnasatanasssnensss 65 8 1 Mounting Dimensions for Continuous Installation 8 2 When Using a Wall Box for Flush Mounting 8 3 Wiring Diagram 8 4 Test Run Setting 8 5 Memory Back Up Function for Power Failure Compensation HOW TO INSTALL THE SYSTEM CONTROLLER OPTIONAL PART wisccccccrssssssnatassnnoncssenesasrtascensnansns 67 9 1 System Controller Installation 9 2 Electrical Wiring 9 3 Addre
62. and Making a Hole Installing the Wall Fixture onto Wooden or Gypsum Wall Removing the Casing to Install the Indoor Unit Preparing the Indoor Side Tubing Wiring Instructions Wiring Instructions for Inter Unit Connections Shaping the Tubing Installing the Drain Hose Ceiling Mounted Type TH Type ceecceeereeeteeerees 31 3 19 3 20 3 21 Suspending the Indoor Unit Duct for Fresh Air Installing the Drain Piping Concealed Duct Type UH Type sses 35 3 22 3 23 3 24 Required Minimum Space for Installation and Service Suspending the Indoor Unit Installing the Drain Piping Page 3 25 Checking the Drainage 3 26 Increasing the Fan Speed HOW TO INSTALL THE OUTDOOR UNIT 40 4 1 Removing the Protective Spacer for Transportation 4 2 Installing the Outdoor Unit 4 3 Tubing Direction ELECTRICAL WIRING cccteceseeteseeeeseneeenee eee 41 5 1 General Precautions on Wiring 5 2 Recommended Wire Length and Wire Diameter for Power Supply System 5 3 Wiring System Diagrams 5 4 How to Connect Wiring to the Terminal HOW TO INSTALL THE WIRED REMOTE CONTROLLER OPTIONAL PART ccccscscsssetessestesseessenseseenenenaes 45 6 1 Installation site selection 6 2 Wired Remote Controller Installation 6 3 Basic Wiring Diagram 6 4 Wiring System Diagram for Group Control 6 5 Wiring System Diagram for Multiple Remote Control 6 6 How to Switch the Indoor Temperature Sensor 6 7 Expl
63. angement for Right Tubing a Cut out the right tubing outlet using a hacksaw Fig 3 37 Left tubing Arrangement for Left rear and Right rear Tubing outlet a Itis not necessary to cut a hole Tubing can be extended in 4 directions as shown in Fig 3 35 Arrangement for Right rear Tubing a Remove the 2 screws and slide out the side cover Fig 3 38 b Extend the wide tube from the outdoor side and connect it directly to the mating tube inside the indoor unit Use a flare nut Fig 3 39 Arrangement for Right Tubing a Remove the 2 screws and take off the side cover Fig 3 38 b Cut out the L shaped tubing outlet using a hacksaw Fig 3 40 c Using the L shaped tube field supply connect tubing between the indoor and outdoor units Fig 3 42 Arrangement for Left and Left rear Tubing a Remove the 4 screws 2 on each side and take off both left and right side cover Fig 3 41 b Remove 4 screws to remove the bottom cover c Using the L shaped tube field supply connect tubing as in Fig 3 43 Right rear tubing Recommended _ lt Left rear Zz tubing Right tubing Fig 3 35 0949 T1 lt 5 pe Right tubing outlet N J 0951_T_I Fig 3 36 0950_T_I Fig 3 37 1 9 1356_T_I Fig 3 38 Tubing from the outdoor unit 1357_T1 Fig 3 39 Hack saw 1358_T 1 Indoor unit 0 pee lt 0
64. by sliding it toward the front arrow direction Remove cover A and cover B Put the minus screwdriver into the recess of cover A to remove cover A and cover B When removing the cover take care not to scratch the panel Remove cover B from cover A Install the indicator section at cover A After passing through the lead wires install cover A and the indicator section at the panel hole The protrusion part of cover A is fixed with the panel hole Bundle the lead wires along with the wiring of the louver motor Install the side panel Operating Controller Installation Do not twist the operating controller wires together with the power supply wires Doing so can result CAUTION in malfunction If noise is induced in the unit power supply take appropriate measures for example installing a noise filter Indicator section Panel Indicator section Cover B Not used when Side panel 1536_T_1 Install the operating controller on the top face of the air intake section space between the fan motor and the electrical component box Fig 7 9 1 Fasten the operating controller to the ceiling panel of the air intake section with the 2 acces sory screws 4 x L13 32 in 2 Draw the lead wires into the electrical component box and connect the operating controller 2 wires WHT BLK to the remote control wires in the electrical component box 3 Connect the indicator section and the operating
65. drain hose and hose band to prevent water leaks The PVC pipe must be purchased separately The transparent part allows you to check drain age Fig 3 6 Drain hose Packing Drain hose adapter supplied supplied supplied Tighten the hose clamps 0964 X1 N CAUTION so their locking nuts face Fig 3 6 upward Fig 3 6 2 After checking the drainage wrap the supplied Drain Ingulatar suppiied packing and drain pipe insulator around the pipe Fig 3 7 Ensure the drain pipe has a downward gradient 1 100 or more and that there are no water traps Fig 3 7 k Do not install an air Air bleeder e bleeder tubes as this may cause water to spray from the drain tube outlet Fig 3 8 If itis necessary to increase the height of the drain pipe the section directly after the connection port can be raised a maximum of 19 11 16 in Do not raise it any higher than 19 11 16 in as this could result in water leaks Fig 3 9 Do not install the pipe with an upward gradient from the connection port It 1972 1 will cause the drain water to flow Fig 3 9 backwards and leak when the unit is stopped rg 3 10 Upward gradient Do not apply force to the piping on the K unit side when connecting the drain pipe The pipe should not be allowed to hang unsupported from its connec LL 46 _ tion to the unit Fasten the pipe to a wet wall frame or other support as close
66. e and regulations before Fig 3 70 obtaining wire Also check any specified instruction or limitations clamp Hard PVC pipe supplied not supplied yo an Drain hose Packing Drain hose adapter supplied supplied supplied 1119_X 1 Fig 3 71 34 84359146 E Concealed Duct Type UH Type 3 22 Required Minimum Space for Installation and Service This air conditioner is usually installed above the 7 E amp A ceiling so that the indoor unit and ducts are not A Suspension bolt pitch E Electrical visible Only the air intake and air outlet ports are rots component visible from below E Inspection The minimum space for installation and service is min access N in Fi a 2 9 27 32 IN Indoor Unit 17 23 32 shown in Fig 3 72 and Table 3 3 R x Itis recommended that space is provided 17 23 32 i 17 23 32 x 17 23 32 in for checking and servicing the LY Refrigerant electrical system tubing wt co min 25 19 32 Fig
67. e the full scale installation diagram on the installation diagram wall at the location selected Make sure the unit is 1 horizontal using a level or tape measure to f measure down from the ceiling Fig 3 24 PA Fig 3 24 2 Determine if the hole is to be drilled at the left or right hole location 3 Before drilling a hole check that there are no studs or pipes behind the determined location Avoid area where electrical rer wiring or conduit is located Also take this precaution if the tubing goes through a wall at any other location 4 Using a sabre saw key hole saw or 3 5 32 in hole cutting drill attachment make a hole in the wall The required minimum hole diameter for NOTE these models is 3 3 16 in Fig 3 25 Hole should be made at a slight downward slant to the 5 Measure the thickness of the wall from the inside outdoor side edge to the outside edge and cut PVC pipe at a slight angle 1 4 in shorter than the thickness of the wall Fig 3 26 6 Place the plastic cover over the end of the pipe for indoor side only and insert in the wall Fig 3 27 PVC pipe locally purchased Outdoor side 0066_T_I ed Cut at slight angle 0941_T_I Fig 3 26 INSIDE Wall OUTSIDE Plastic cover PVC pipe D Eo oe 23 54359146 0942_K_I 3 12 Installing the Wall Fixture onto Wooden or Gypsum Wall Confirm that the wall is strong enough to support the unit a If the Wal
68. ed remove the 1 4 in flare nut and its bonnet on the wide tube service valve Save the flare nut and its bonnet for reuse 3 way valve is used for 3642 type e v4 2 Attach the nitrogen gas cylinder to the service port of the wide tube via a manifold valve with pressure gauges See Fig 11 2 Fig 11 1 Manifold valve Use a manifold valve for air e purging If It is not available use a stop valve for this Pressure purpose The Hi knob of the manifold valve must always be kept closed 3 Pressurize the system to about 150 P S I G with dry nitrogen gas and close the cylinder valve when the gauge reading reaches about 150 P S I G Ce a Nitrogen gas Then test for leaks with liquid soap cylinder Narrow tube Wide tube 1370_C_I Fig 11 2 82 54359146 To avoid nitrogen entering e the refrigerant system ina pe liquid state do not use the nitrogen cylinder up side Pressure down Use the cylinder in a ciel vertical standing position Refer to the previous page 4 Do a leak test of all joints of the tubing both indoor and outdoor and both wide and narrow service valves Bubbles indicate a leak Wipe off the soap with a clean cloth after the leak tests 5 After the system is found to be free of leaks relieve the nitrogen pressure by loosening the charge hose connector at the nitrogen cylinder When the system pressure is reduced to normal disconnect the hose from the cyl
69. g 10 8 Finishing the Installation 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 10 11 81 Insulated tubes Drain hose 1124_M_I Fig 10 10 Apply putty here Tubing 0137_C_I Fig 10 11 54359146 11 AIR PURGING Manifold valve Air and moisture in the refrigerant system may have undesirable effects as indicated below Pressure gauge pressure in the system rises operating current rises cooling or heating efficiency drops moisture in the refrigerant circuit may freeze and block capillary tubing Nitrogen gas cylinder In vertical standing water may lead to corrosion of parts in the refriger position ant system Therefore the indoor unit and the tubing between the indoor and outdoor units must be checked for leaks and evacuated to remove air and moisture E Air Purging with a Vacuum Pump for Test Run Preparation Check that each tube both narrow and wide between the indoor and outdoor units has been properly con nected and all wiring for the test run has been com pleted Remove the valve caps from both the wide and Narrow i _Wide tube narrow service valves on the outdoor unit Note that tube both narrow and wide tube service valves on the outdoor unit are kept closed at this stage Leak test 1 With the service valves on the outdoor unit neoon uni clos
70. he unit locations near heat sources which may affect performance of the unit locations where external air may enter the room directly This may cause sweating on the air discharge ports causing them to spray or drip locations where the remote control unit will be splashed with water or affected by dampness or humidity installing the remote control unit behind curtains or 7 Ceiling E Mi Wall UW Min 10 inch Min 10 inch Front view NOTE The rear of the indoor unit can be installed flush against the wall As x Ceiling A discharge E lt 17 Min 2 ft Air intake Vi Side view 1091 T1 furniture locations where the receiver in the indoor unit is 4 Way Air Discharge Type Concealed Duct Type exposed to the inverter lamp light Faulty operation of the unit occurs DO select an appropriate position from which every corner of the room can be uniformly cooled select a location where the ceiling is strong enough to support the weight of the unit select a location where tubing and drain pipe have ee Be 1960_X_I the shortest run to the outdoor unit Wall Mounted Type allow room for operation and maintenance as well as unrestricted air flow around the unit install the unit within the maximum elevation difference above or below the outdoor unit and within a total tubing length from the outdoor unit as detailed i
71. inder Evacuation 1 Attach the charge hose end described in the preceding steps to the vacuum pump to evacu ate the tubing and indoor unit Confirm that the Lo knob of the manifold valve l is open Then run the vacuum pump The Narrow _ Wide tube os tub operation time for evacuation varies with the a i i tubing length and capacity of the pump The following table shows the required time for evacuation Required time for evacuation indoor nit when 30 gal h vacuum pump is used If tubing length is If tubing length is less than 50 ft longer than 50 ft 45 minutes or more 90 minutes or more 3 way valve is used for 3642 type Service valve vJ K 2091_C1 Fig 11 3 Manifold valve The required time in the above table is calculated on the assumption that the ideal or target vacuum condition is around 10 mmHg abs 2 When the desired vacuum is reached close the Lo knob of the manifold valve and turn off the vacuum pump Vacuum pump Narrow tube Wide tube 0540_C_I Fig 11 4 83 54359146 Charging additional refrigerant Charge additional refrigerant calculated from the narrow tube length as shown in Sec 1 5 using the wide tube service valve with the system in cooling operating mode Fig 11 5 Use a balance to measure the refrigerant accu rately Finishing the job 1 With a hex wrench turn the narrow tube service
72. indoor unit address setting is duplicated For single heat pump type E14 Error in Auto address setting No or capacity of judged indoor unit is small E15 Error in Auto address setting E16 No or capacity of judged indoor unit is large Indoor unit is detecting error signal from another indoor unit E18 Activation of Protective device in indoor unit Thermal protector in indoor fan motor is activated protective is activated P1 device Protective device in outdoor e Thermal protector in outdoor fan motor is activated unit is activated Comp thermal protector is activated Pe Incorrect discharge gas temp of comp P3 High pressure switch is activated P4 Incorrect power supply voltage Negative phase defective phase or voltage drop PS Incorrect discharge gas temp of comp P17 Protective device in indoor unit Improper wiring connections of ceiling panel P9 is activated Float switch is activated P10 RCU R C comp temp PCB Remote Control Unit remote controller Refrigerant Circuit Compressor Temperature Printed Circuit Board 50 54359146 Possible Cause of Malfunction Alarm message Thermistor Indoor thermistor is either open Indoor coil temp E1 TH1 cannot be detected F1 failure or damaged Indoor coil temp E2 TH2 cannot be detected F2 Indoor coil temp E3 TH3
73. it with insulating tape Fig 3 48 Also refer to Section 10 5 Connecting Tubing be tween Indoor and Outdoor Units Assemble the refrigerant tubing drain hose and inter unit wiring as shown in Fig 3 49 a Shape the narrow refrigerant tube and the drain hose in the desired direction so that they can easily go into the wall hole Fig 3 50 Push the wiring narrow tube and drain hose through the hole in the wall Bend the tubing if necessary to run along the wall in the direction of the outdoor unit then tape as far as the fittings The drain hose should come straight down the wall to a point where runoff won t stain the wall Hang the indoor unit on the wall fixture Fig 3 51 Install the mounting plate to secure the indoor unit solidly to the wall The plate can be positioned in either of the 2 ways shown Fig 3 52 Mounting plate 29 Cover Refrigerant tubing Inter unit wiring Drain hose 0954_T_I Fig 3 47 Indoor unit N lt __ Insulating tape 0955_T_I Fig 3 48 Refrigerant tubing Inter unit wiring 1098_T I Drain hose 1365_T 1 Fig 3 50 Wall Wall fixture 54359146 1366_T_1 Fig 3 51 3 18 Installing the Drain Hose a The drain hose should be slanted downward on the outdoor side Fig 3 53 b Never form a trap in the course of the hose ae Dr
74. l is Wooden 1 Attach the wall fixture to the wall with the 9 screws provided Fig 3 28 If you are not able to line up the holes in the wall fixture with the beam locations marked on the wall use rawl plugs or toggle bolts to go through the holes on the panel or drill 13 64 in dia holes in the panel over the stud locations and then mount the wall fixture 2 Check with a tape measure or carpenter s level This is important so that the unit is correctly installed 3 Make sure the wall fixture is flush against the wall Any space between the wall and unit will cause noise and vibration b If the Wall is Brick Concrete or Similar Drill 3 16 in dia holes in the wall Insert raw plugs for appropriate mounting screws Fig 3 29 Confirm that the wall is strong enough to support the unit a If the Wall is Wooden 1 Attach the wall fixture to the wall with the 12 screws provided Fig 3 30 If you are not able to line up the holes in the wall fixture with the beam locations marked on the wall use rawl plugs or toggle bolts to go through the holes on the panel or drill 3 16 in dia holes in the wall fixture over the stud locations 2 Check with a tape measure or carpenter s level that the wall fixture is level This is important so that the unit is correctly installed 3 Make sure the wall fixture is flush against the wall Any space between the wall and unit will cause noise and vibration b If the Wall is
75. l refrigerant gas in the system back into the outdoor unit without losing ant of the gas Pump down is used when the unit is to be moved or before servicing the refrigerant circuit Pump down procedure Be sure to carry out pump CAUTION down with the unit in cooling mode 1 Connect the low pressure side wide tube valve service port charging hose of the manifold valve to the service port B on the wide tube service valve 2 Using a hex wrench turn the narrow tube service valve clockwise all the way to close the service valve 3 Press the operation button and start cooling operation 4 When the low pressure gauge reading falls to 14 2 to 7 1 psi 1 to 0 5 kg cm fully close the wide tube valve stem with a standard screwdriver Then quickly stop the unit 5 Disconnect all gauges and hoses and replace the bonnets and the valve caps as they were previously 6 Purge all air remaining inside the tubing before operating the air conditioner 93 54359146
76. l scale installation diagram beneath the unit Fig 3 4 Tubing and wiring must be laid inside the ceiling when suspending the unit If the ceiling is already constructed lay the tubing and wiring into posi tion for connection to the unit before placing the unit inside the ceiling The length of suspension bolt must be appropri ate for a distance between the bottom of the bolt and the bottom of the ceiling of 19 32 in or more as shown in Fig 3 4 Thread the 2 hexagonal nuts field supply and washers onto the 4 suspension bolts as shown in Fig 3 5 Use 2 sets of nuts and washers upper and lower so that the unit will not fall off the suspen sion lugs Remove the protective cardboard used to protect the fan parts during transport Adjust the distance between the unit and surface of the ceiling 1 7 8 in Fig 3 4 Full scale installation diagram printed on a cardboard packing 19 32 inch or more 1 7 8 inch sss x STAANNI Full scale installation Fig 3 4 Suspension bolt diagram 2040_X_I Nuts and washers Use above and below Upper Lower Double nuts fo 1 7 8 inch Fig 3 5 15 54359146 Suspension lug 1971 X1 3 4 Installing the Drain Piping Transparent part for Hose band Hard PVC pipe eai f i 1 Prepare standard hard PVC pipe for the drain and Se eras AURRIAN pene use the supplied
77. lamper supplied About 3 32 1 8 in Run the remote control cable through a notch on the upper case nS Connector Remote control cord Option 2003_M_I 004_M_I Fig 7 15 Fig 7 16 Remote control cord Option Clamper pl T o CO D 4 0 Fig 7 17 Signal receiving unit Wood screws 2 oe Fig 7 18 7 Q YY Fig 7 19 N of Tj i NT Q 0 9O Tad amn GOOGO 2009_M_I Fig 7 20 o g i a aD 00000 Fig 7 21 54359146 59 7 13 Electrical Wiring Make correct wiring without N CAUTION any mistakes incorrect wiring will damage the equipment Recommended wire diameter and allowable length for signal receiving unit wiring and its branch wiring AWG 18 MAX 1 300 ft Terminal board for indoor unit 19 O Signal receiving remote controller 2 unit wiring f Wire from signal receiving unit Connection Signal receiving unit wiring field supply 2010_M_I Wire joint 2 pcs Signal receiving 1 Peel away 9 16 in of shield from the wire white supplied 9 for the connection D gt 2 Join the 2 wires as shown and crimp connect them with the wire joint supplied Signal receiving 3 When no crimp tool is available or if a unit wiring solder connection was made then cover Wire joi
78. moved terminal screw using a screwdriver Fig 5 2 44 Stranded wire Strip 3 8 in ZA Fig 5 1 Special washer Screw Ring pressure terminal Terminal plate gO Ring pressure terminal 1106_M_I Screw and Special washer Ring pressure yy terminal 54359146 Wire lt 1107_M_I 6 HOW TO INSTALL THE WIRED REMOTE CONTROLLER OPTIONAL PART 6 1 Installation site selection Install the remote controller at a height of between 3 5 ft above the floor Do not install the remote controller in a place where it will be exposed to direct sunlight or near a window or other place where it will be exposed to the outside air Be sure to install the remote controller vertically such as on a wall The mounting position for the remote controller should be located in an accessible place for control Never cover the remote controller or recess it into the wall Mounting dimensions for continuous installation When mounting the remote controller on a wall please see Fig 6 1 and Fig 6 2 45 3 21 32 in or more 4 29 32 in or more from wall ga during continuous Spacer installation 4 29 32 in or more Wall from wall during continuous installation 3 32 in amount offset from JIS box finn D Hole
79. n 3pcs Fig 3 18 8P socket red electrical component box 8P socket red ceiling panel side c Installing the indoor unit Install the indoor unit to the ceiling Install the indoor unit according to items 3 1 to 3 6 When installing in a pre N CAUTION existing location install the indoor unit before installing 1975 X5 the duct connection box Fig 3 17 20 54359146 e Installing the ceiling panel Attach the ceiling panel to the chamber Drawing the panel downwards sets the panel in position temporarily with the panel catch at 2 locations Remove the socket cover of the air intake plenum and pass the 8P sockets through it Fix the panel lead wire to chamber side clamper Fig 3 17 Connect the 8P socket electrical component box side to the 8P socket ceiling panel side of the indoor unit electrical component box Reattach the socket cover 21 Duct connection flange Installation screws 4 x 1 2 in Duct connection box 54359146 1976_X_S E Wall Mounted Type KH Type 3 10 Removing the Wall Fixture from the Unit Remove and discard the set screws and take off the wall fixture Fig 3 19 3 11 Selecting and Making a Hole 1 Tape the full scale installation diagram on the wall at the location selected Make sure the unit is horizontal using a level or tape measure to measure down from the ceiling Fig 3 20 2
80. n Table 1 10 allow room for mounting the remote control unit about 3 ft off the floor in an area that is not in direct sunlight nor in the flow of cool air from the indoor unit Air delivery will be degraded if the distance from the floor to the ceiling is greater than 10 ft 10 VU 0930_K_I 84359146 Outdoor Unit AVOID heat sources exhaust fans etc Fig 2 1 damp humid or uneven locations DO choose a place as cool as possible choose a place that is well ventilated and outside air temperature does not exceed maximum 115 F X lt Exhaust fan Hot air a c E fy h Heat source Out door unit 0591_C_I Fig 2 1 Min Min Obstacle above constantly 1 inch Piei coin ans allow enough room around the unit for air intake LIDIA ILL I TT Min z in 7 ft exhaust and possible maintenance Fig 2 2 ain 7 a Air provide a solid base about 6 inch above ground f dis level to reduce humidity and possible water damage p charge 4 lt _ in the unit and decreased service life Fig 2 3 L use lug bolts or equivalent to bolt down unit ee reducing vibration and n
81. nal inside the electrical component box 2 Remove the tube cover and through the opening slowly pour about 43 oz of water into the drain pan to check drainage 3 Short the check pin CN5 white on the indoor control board and operate the drain pump Check the water flow and see if there is any leakage Be careful since the fan will CAUTION Start when you short the pin on the indoor control board 4 When the check of drainage is complete open the check pin CN5 white and remount the insulator and drain cap onto the drain inspection port To mount the tube cover use 5 16 4 x 8 mm tapping screws CAUTION Do not use long screws as they may puncture the drain pan and cause water leak age 38 Not good SSS E Fig 3 81 75934 01 gt 11 13 16 in or less 19 11 16 in or less OCO Good 1979_U_I Fig 3 82 Upward gradient OOO Fig 3 83 Support pieces 1596_U_I Fig 3 84 84359146 3 26 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 Fan be solved by increasing the fan speed using the motor Booster cable following procedure A Electrical component box Booster cable Fan motor socket
82. ng unit wires to the adjacent termi nal block for the power wiring Otherwise the unit will break down M4 x L1 in Screws Te Zz aN me 0G a 84359146 2 Cover plate Signal receiving unit Spacer Fig 7 13 Switch box no cover Fig 7 14 2002_M_I 2001_M_I When using the signal receiving unit on a wall with the front exposed choose a wall surface that the signal receiving unit can be mounted on the lower side of the signal receiving unit and pry off the back case as shown in Fig 7 14 The wire rooting at the signal receiving unit comes out of the upper case thin portion at upper center so use nippers or a similar tool to cut out a notch beforehand large enough for the remote control cable option to pass through as shown in Fig 7 15 Remove the wire which is connected prior ship ping from the connector Connect the remote control cable option to the signal receiving unit connector shown in Fig 7 16 after the clamper Supplied with the unit is installed After arranging the wiring on the printed circuit board as shown in Fig 7 17 so that it is contained within the signal receiving unit attach the back case At this time arrange so that the head of the clamper faces the side Remove the cover plate and install the signal receiving unit using the 2 wood screws Fasten to the wall using the cord clip supplied Reinstall the c
83. nt CE 1 with insulating tape supplied 3004_M_I 7 14 Test Run Switch 1 Remove the cover plate of the signal receiving unit Set the TEST RUN switch of the dipswitches to the ON position 2 Press the ON OFF operation button on the wireless remote controller During the test run all of the 3 indicator lamps on the indoor unit will flash The TEST RUN switch is rer used only for servicing the air conditioner DO NOT use this switch for normal opera tion Otherwise it may put stress on the system 2012_M_I Fig 7 22 3 Make a test run using the air conditioner in COOL HEAT or FAN modes To protect the air conditioner from overloading the outdoor unit will not start running for 3 minutes after power is applied or the air conditioner is turned off and then back on 4 After the test run press the ON OFF operation button on the wireless remote controller Then set the TEST RUN switch back to the OFF position to cancel the test run mode 60 4359146 7 15 Misoperation Alarm Indicators A blinking lamp for other than the signal receiving unit filter shows that a problem has occurred in the unit so make an inspection Refer to servicing information in ry the service manual etc Also if wired remote control ler and dedicated service check lines 854 9 9536 044 97 service use are available then detailed error information can be
84. nt Tubing e Ventilate the room well in the event that 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 e Keep all tubing runs as short as possible e Use the flare method for connecting tubing e 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 connection e Check carefully for leaks before starting the test run NOTE Depending on the system type liquid and gas lines may be either narrow or wide Therefore to avoid confusion the refrigerant tubing for your particular model is specified as either narrow or wide rather than as liquid or gas When Servicing e Turn the power OFF at the main power box mains before opening the unit to check or repair electrical parts and wiring e Keep your fingers and clothing away from any moving parts e Clean up the site when installation is finished Check that no metal scraps or bits of wiring have been left inside the unit e Ventilate any enclosed areas when installing or testing the refrigeration system Contact of refrigerant gas with fire or heat can produce poisonous gas e Confirm after installation that no refrigerant gas is leaking If the gas comes in contact with a burning stove gas water heater electric room
85. oise Ground noe Fig 2 2 In case of multiple installations E Unit spacing if air discharge chamber is not used E Unit spacing when air discharge chamber is used Min 4 ft 4 Min 5 ft Min 4 ft Min 4 ft i Min 8 inch Min 4 ft i 3 Min 1 ft 2 inch Air i Min 1 ft ry discharge t chamber Min 1 ft 2 inch y Min 1 ft Min 8 inch Min 1 ft If you would like to make the separation smaller on the air Only up to 3 units can be installed side by side under the above discharge side use an air discharge chamber conditions The next group must be spaced at least 1 ft away You can install any number of units side by side from the first group 0933_C_S Air in Air in Air discharge Concrete block 4 inch x 1 ft 4 inch beams or equal Anchor bolts 4 pieces 0934_C_I Fig 2 3 11 84359146 2 1 Air Discharge Chamber for Top Discharge Install the air discharge chamber in the field when itis difficult to keep a space of minimum 2 ft between the air discharge outlet and the obstacle the air discharge outlet is facing the sidewalk and discharge hot air can annoy the passers by Refer to Fig 2 4 EHe sX 22 5 16 gf i ad o 5 11 13 16 b T lt O B W ey i fap N o 6 l l N D a oO N D O 23 5 16 _ 5 5 32 1352_C_I CH3642 0426_C_I Recommended outer dimensions of wind shield field supply
86. oller wiring 2087_M_I 3003_M_I 2088_M_I 3003_M_I 84359146 2 Basic wiring diagram for group control This diagram shows when several units max 8 are controlled by a remote controller In this case a remote controller can be connected at any indoor unit Outdoor Unit Indoor Unit B Inter unit i power wiring single phase 230 208V I Jl 4 J L Ground Inter unit gt control wiring Low voltage gt SOPAS kal R C Address on the PCB 1 S2 BLK Outdoor Unit es es RED 1 a e BLK 2 oe Remote controller Option D Cpe Indoor Unit B Inter unit a power wiring single phase 230 208V ore ee Na fe a Sle hee oe m Ground Inter unit gt 0 Ci control wiring Low voltage 0 2 f c NI Nv a O L1 Power supply single phase m Ooh 230 208v A Ground R C Address on the PCB 2 S2 BLK Outdoor Unit Indoor Unit B Inter unit E O A 1 power wiring single phase 7 230 208V Li 1 moe eeepc SE TER TERENIE EANET T Ground Inter unit gt Ci 0 control wiring Low voltage 0 H c O Remote controller wirings are wire joint connection
87. olts allowing them to protrude from the ceiling as shown in Fig 3 57 The distance of each exposed bolt must be of equal length within 2 inches Fig 3 58 31 Front face Full scale diagram 0035_T_I Fig 3 55 Hole in anchor Hole in plug Concrete Insert Suspension bolt M10 or 3 8 field supply 0038_T_I Fig 3 56 Ceiling tiles Ceiling support 0084_T_I Fixture 0971_T_I Fig 3 58 54359146 5 Before suspending the indoor unit remove the 2 screws on the latch of the air intake grilles open the grilles and remove them by pushing the claws of the hinges as shown in Fig 3 59 Then remove both side panels sliding them along the unit toward the front after removing the two screws which fix them Fig 3 60 Preparation for suspending the indoor unit The suspension method varies depending on whether the unit is next to the ceiling or not Fig 3 61 and 3 62 Suspend the indoor unit as follows a Mount a washer and two hexagonal nuts on each suspension bolt as shown in Fig 3 63 Pull out the Air Intake grille pushing claws of the hinges Hinge MMT Ma piii Migs 0973_T1 Side panel 0972_T_I Fig 3 60 Suspension bolt field supply Ceiling surface Washer supplied Double nut field supply 0974_T_I Fixture Fig 3 61 Suspension bolt field supply Washer field supply unit Washer supplied
88. or Q ll T i Air intake grille 0785_U_1 Transparent part for Hose band Hard PVC pipe checking drainage supplied not supplied aa hose Packing Drain hose adapter supplied supplied supplied 0964_X_I Fig 3 79 Clamps supplied ee Drain insulator supplied 0046_X_I Fig 3 80 54359146 Do not install an air bleeder as this may cause water to spray from the drain pipe outlet Fig 3 81 If it is necessary to increase the height of the drain pipe the section directly after the connec tion port can be raised a maximum of 19 11 16 in Do not raise it any higher than 19 11 16 in as this could result in water leaks Fig 3 82 Do not install the pipe with an upward gradient from the connection port This will cause the drain water to flow backward and leak when the unit is not operating Fig 3 83 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 connection to the unit Fasten the pipe to a wall frame or other support as close to the unit as possible Fig 3 84 3 25 Checking the Drainage After wiring and drain piping are completed use the 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 L1 L2 termi
89. over plate To use the signal receiving unit while mounted on a ceiling install by using the carrier for ceiling instal lation supplied with the unit Remove the cover plate by inserting a flat tip minus screwdriver or similar tool into the notch in the lower section and prying it off Cut out a section 3 3 4 x 2 1 32 in on the ceiling using the paper pattern supplied as a guide Run the wire through the mounting carrier and insert into the installation hole as shown in Fig 7 19 Fit securely into the ceiling material at sections A and B as shown in Fig 7 20 Connect the wire 2 wire core from the signal receiving unit with the wire from the indoor unit See section on how to wire the receiving unit as shown in Fig 7 20 Use the supplied spacers to adjust for a thickness several inches more than the ceiling material and lightly fasten the receiving unit in place with the small screws M4 x 1 9 16 in 2 pcs supplied with the unit Tighten the machine screws after fitting sections A and B into the openings in the gap between the signal receiving unit and ceiling surface as in Fig 7 21 Do not apply strong force when tighten ing the screws Excessive force might warp or damage the cover When finished the signal receiving unit should still be able to move slightly when pressed as shown in Fig 7 21 Reinstall the cover plate 8 Insert a flat tip minus screwdriver into the slot on C
90. pen or damaged F1 F3 Outdoor sensor Open or damaged F4 F9 Compressor Compressor motor is overloaded H1 Prateciion Compressor motor is locked H2 Compressor current detection circuit is abnormal H3 Low pressure protector is activated H6 12 10 The Main Alarms of Power Supply Troubles Outdoor protection Cause Remote controller display Power supply voltage is abnormal P2 More than 260 V or less than 160 V between L and N phase Negative phase or defective phase P5 Compressor contactor Mg SW is chattering H18 91 54359146 E Basic Functions of the Service Valves Action Narrow Tube Service Wide Tube Service Valve 3 Way Valve Ball Valve CLOSED 6 CLOSED Shipping and po air purging _ gt ZEIT NT TN rrr A UE Zi 0549_C_I 0546_C_I Fully OPEN Operating and test running IILI ltt Uvaunanaanen the air conditioner ILILILILIL TT J TIT 0550_C_1 0547_C_I Half Fully OPEN OPEN Measuring pressure wawwwwere IU L EITI and gas charging gt ee LLLLLLLLLL AA UH LA LLLLLLLLLLL a 0550_C_I 0548_C_I Narrow tube service valve O ring Valve cap WD PA Valve cap PZA Lhe en s o ooo KZZZ z7 CY 0989_C_I 2 Way Valve CH2442 1372_C_I 3 Way Valve CH3642 CH4242 92 Wide tube service valve Service port B 0554_C_I 84359146 13 PUMP DOWN Pump down means collecting al
91. power supply wires Doing so can result in malfunction If noise is induced in the unit power supply take appropriate measures for example installing a noise filter Indicator section 0518_X_I Fig 7 6 Install the operating controller at the indoor unit intake port section 1 Fasten the operating controller to the indoor unit intake port section electrical component box opposite side with the 2 accessory screws 4 x L13 32 in 2 Connect the operating controller 2 wires WHT Operating BLK to the remote control wire WHT in the controller i i Electrical electrical component box For details on the Sua nal wiring see 7 9 Electrical wiring P56 1998_M_1 Install the ceiling panel Fig 7 7 Connect the indicator section and the operating controller by 6P connector white o1 a Form the wires with vinyl clampers and fasten 6 Connect the ceiling panel wiring connector 2P 3P to the body connector in the electrical compo nent box 7 For details on test operation see Test Run 54 84359146 indicator section 0574_X_1 Corner cover Wiring E Ceiling Mounted Type TH Type 7 7 Indicator Section Installation Remove the side panel to install the indicator section Fig 7 8 1 annan a A OU D Dn 7 8 Remove the side panel Open the air intake grille remove the screw at one place and then remove the side panel
92. proper suspension point 3 When the ceiling panel has been properly aligned use the supplied 4 mounting screws M5 with washers to permanently fasten the ceiling panel 4 Install the wiring connector from the ceiling panel to the connector in the electrical component box of the indoor unit After installing the connector use the clamp on the body of the indoor unit to secure the wiring Ceiling panel _ Electrical component box Electrical component box Clamp Ceiling panel wiring connector Install the air filter and air intake grille by perform ing the steps in section 3 6 in reverse 5 x Rehook the safety string before closing the air intake grille 3 8 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 Panel catch arrange facing downwards 2 locations Wess Screws M5 with washer supplied l Air filter Air intake grille 1973 X1 19 54359146 3 9 Duct for Fresh Air For fresh air intake There is a duct connection part on sideface of the indoor unit Fig 3 16 Optional air intake plenum including duct connection box and flange can be attached to the indoor unit Air intake plenum Type PNR XH2
93. ram The address setting is automatically executed after turning on the system An indoor unit address is assigned to each indoor unit Operation takes place successively at intervals of 1 second by using combinations of the address setting of each unit 47 Main Sub 2031_M_1 Diagram of outer dimensions N v 5 32 a F m F m fl g N 9 _ L Or AR j y L J y D a 4 23 32 8 1991_M_I 4359146 6 4 Wiring System Diagram for Group Control This diagram shows when several units maximum of 8 are controlled by a remote controller master unit In this case a remote controller can be connected at any indoor unit Remote controller te Connection wiring for Wiring procedure i ge e Se Leal ee Wire according to the left diagram Wire joint aa ee ep Address setting is executed automatically when the outdoor unit is turned on Each successive unit will respond at one second intervals following the order of the group address when the remote controller is operated Inter unit control wiring Outdoor unit Ground earth 2032_M_I Group control using 2 remote controllers It does not matter which of the 2 remote controllers you set as the main controller When using multiple remote controllers up to
94. re the indoor unit is installed Wall fixture 2 1 For supporting the indoor unit Rawl plug 2 10 For fixing the wall fixture Cover 2 1 For improved tubing appearance Truss head e Tapping screw 2 Phillips 10 For fixing the wall fixture 4 x 5 8 in Insulator SEZ 1 For insulation of the tubing of the indoor unit Tubetonnector Op 1 For sizing up of narrow tube from 1 4 in to 3 8 in only for 24 type 1 KH3642 only 2 KH2442 only 5 54359146 Table 1 3 TH Ceiling Mounted Part Name Figure Q ty Remarks For temporarily suspending specia Wasne 4 indoor unit from ceiling Drain insulator O 1 For drain hose joint Flare insulator oft 1 Set For wide tube joints Drain hose adaptor a0 1 Drain hose clamp gA 4 Black 2 For wide tube and drain hose joint Insulating tape White O heat resisting 1 For wide flare joints Vinyl clamp cA 2_ For ends of flare insulator Full scale installation 1 For determining suspension diagram bolt pitch Sealing putty amp 1 For sealing recessed portion of power supply Drain hose 0 jp 1 For sizing up of narrow tube from 1 4 in to 3 8 in Tube connector Or 1 only for 24 type Table1 4 UH Concealed Duct Part Name Figure Q ty Remarks Flare insulator E 2 For wide and narrow tubes maulainatane Black 2 For wide and narrow t
95. rigerant tubing between the indoor and INDOOR Tubing length L outdoor units should be kept as short as UNIT possible Select and decide the installation location so that the length of the refrigerant tubing will be within the limits given in Table 1 10 OUTDOOR UNIT Elevation difference H I J DIALED AEA ELLEI DLL LA 0711_M_I Fig 1 1 Table 1 10 Models cH2442 CH3642 CH4242 Tubing Data Tubing size Narrow tube in mm 1 4 6 35 3 8 9 52 outer dia Wide tube in mm 3 4 19 05 3 4 19 05 Limit of tubing length ft 165 165 Limit of elevation OUtdoor unit is higher 165 165 than indoor unit ft difference between uid the 2 units utdoor unit is lower than indoor unit ft 700 190 Max allowable tubing length at shipment ft 100 100 Required additional refrigerant oz ft 0 48 0 53 No additional charge of compressor oil is necessary If total tubing length becomes 100 to 165 ft charge additional refrigerant R22 by 0 48 oz ft 2 If total tubing length becomes 100 to 165 ft charge additional refrigerant R22 by 0 53 oz ft 9 54359146 2 SELECTING THE INSTALLATION SITE Indoor Unit AVOID Ceiling Mounted Type areas where leakage of flammable gas may be expected places where large amounts of oil mist exist direct sunlight locations near inverter lamps which may affect performance of t
96. rrectly do not install the remote controller in the following places In direct sunlight Behind a curtain or other place where it is covered More than 26 ft away from the air conditioner In the path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic interference Screws for fixture Truss head Sui tapping screws 1 If Wall mounted Fixed Position 4 x L5 8 Install the remote controller at a convenient location on a nearby wall However before P attaching the remote controller mounting cradle check that the remote controller can operate from Mounting cradle the desired wall position Fig 7 1 P E How to Install Batteries Fig 7 1 See Fig 7 2 1 Press and slide the lid on the back of the remote controller in the direction of the arrow a il A J 2 Install two AAA alkaline batteries Make sure the batteries point in the direction marked in the t 4 battery compartment amp lt 6 ACL button Cc 3 Press the ACL button then replace the lid If you i press it the current time ON time and OFF time Aoo are all reset to 0 00 1995 M1 Fig 7 2 52 54359146 7 2 Room Temperature Sensor Setting The room temperature sensors are built into the indoor unit and the wireless remote controller Either of these room temperature sensors can operate The system is shipped from the f
97. ss Switch Setting 9 4 Mode Setting 9 5 How to Perform Zone Registration 9 6 Connection with Other Equipments 9 7 Memory Back Up Switch 9 8 Test Run HOW TO PROCESS TUBING ccctseteteeteeeeees 79 10 1 Use of the Flaring Method 10 2 Flaring Procedure with a Flare Tool 10 3 Precaution before Connecting Tubes Tightly 10 4 Precautions during Brazing 10 5 Connecting Tubing between Indoor and Outdoor Units 10 6 Insulating the Refrigerant Tubing 10 7 Taping the Tubes 10 8 Finishing the Installation AIR PURGING ccc ee eceeecesseestesseesesseeseenseeseeenens 82 TEST RUN esi tsnsccsececsivecencaccssessscesstscvsascstacsasdctvenssatens 85 12 1 Preparing for Test Run 12 2 PCB Setting 12 3 R C Address Setting Method 12 4 Automatic Address Setting Method 12 5 Displaying Indoor Outdoor Unit Combination Numbers 12 6 Test Run Procedure 12 7 Items to Check Prior to Test Run 12 8 The Main Alarms of Mis wiring amp Mis setting 12 9 The Main Alarms of Unit Troubles 12 10 The Main Alarms of Power Supply Troubles PUMP DOWN sisiscnticsssarasscsncsectncenanasnanasniseensesnaessecoarned 93 1 GENERAL Check local electrical codes CAUTION i This booklet briefly outlines where and how to install ana regulations pelore obtaining wire Also check any specified instructions or limitations the air conditioning system Please read over the entire set of instructions for the indoor and outdoor
98. stem controller can be connected in 1 system Indoor unit PCB O O System controller 2P terminal base Indoor unit 2044_M_I Fig 9 3 lt Back side of system controller gt At ra B6 A2 re fe B5 A3 B4 A4 B3 A5 G B2 A6 B1 Connector for weekly timer Under the terminal 3005_M_I RC1 RC3 OO oe eet RC2 H Paa GI 23 2a Inter unit control wiring A 1 2 i 1 3 System controller 2045_M_I 68 84359146 9 3 Address Switch Setting swi Main sub selection switch ON OFF System controller operates as main controller t ON System controller operates as sub controller OFF ALL ZONE mode selection switch ALL mode All indoor units can be controlled by system controller ZONE 1 2 3 4 mode Indoor units in one of zone 1 2 3 or 4 can be controlled by system controller All indoor units cannot be set 2 3 4 5 ALL mode OFF OFF OFF ZONE 1 mode OFF OFF ON ZONE 2 mode ON OFF ON ZONE 3 mode OFF ON ON ZONE 4 mode ON ON ON Ceniral con
99. t J312 for group control J3J2 i i Wire joint TT 2 wires c eee Ground earth I Indoor unit No 8 2038_M_I 63 Wiring procedure Wire according to the left diagram Address setting is executed automatically when the outdoor unit is turned on Each successive unit will respond at one second intervals following the order of the group address when the remote controller is operated When using multiple signal receiving unit up to 2 of them can be used one is the main signal receiving unit and the other is the sub signal receiving unit To set up a sub signal receiving unit change its remote control address connector RCU ADR RC located on its PCB from main to sub position main WL when shipped from factory 4359146 7 18 Wiring System Diagram for Multiple E When Installing Multiple This multiple system is used for operating the unit s at different positions A maximum of 2 signal receiving unit can be installed Setting method To execute this control make the setting according to the following procedure 1 Of the two installed signal receiving unit make one the main signal receiving unit factory shipped state 2 On the other signal receiving unit change the address connector on the PCB from main to sub position In this state it functions as a sub signal receiving unit Basic wiring diagram Install wiring correctly CAUTION
100. the power supply on set the R C address with S2 S3 on the outdoor control PCB R C address Refrigerant circuit address 1 30 Regarding the example of R C address for group control please refer to page 43 and sec 12 3 page 87 C Central control when using the system controller In case of central control when using the system controller that is when linking outdoor units in a network a Before turning the power supply on set the R C address with S2 S3 on the outdoor control PCB b Remove the short plug CN006 2P Black from all outdoor units except any one of outdoor unit Regarding the example of R C address for central control and the position of CN006 please refer to sec 12 3 page 87 Setting of indoor control PCB No setting necessary Each indoor unit address UNIT No R C No is decided after auto address operation Indoor unit No Refrigerant Circuit No R C address Manual setting for indoor unit address can be performed also by remote controller 86 54359146 12 3 R C Address Setting Method Outdoor unit R C address setting method In case of group control or central control set the R C address to 1 2 3 according to the No of outdoor units Outdoor control PCB CNO006 2P Black Refrigerant circuit address factory setting 0 Refrigerant circuit address black ATN ae Refrigerant circuit address 2P DIP switch green or Bl
101. the wireless receiving unit is used 2 Operation mode switch In this Split System Air Conditioner set the switch to A The switch is factory set to S A Always press the reset button after switching the setting I Y Operation SKN mode switch XH TH type Flap display selector switch Fig 7 4 sk e KH type UH type EO ET cr Heat pump with Heat pump without Cooling only 1997 M_I Auto mode CH type Auto mode 53 84359146 lt RCS SH80UA WL gt E 4 Way Air Discharge Semi concealed Type XH Type Air intake grille Mark section 7 5 Indicator section Installation Remove the ceiling panel and indicator cover and install the indicator section 1 Remove the ceiling panel 2 Remove the corner cover behind the mark sec tion 3 screws 3 Remove the mark section inside the ceiling panel 2 screws 4 Install the indicator section in the location where the mark section was attached 2 screws 5 Form the wire to match the panel ribs as in the Fig 7 6 6 Install the corner cover Restrain the wire with 0517X the corner cover Fig 7 5 7 6 Operating Controller Installation Pass the wiring through under the shaft Do not twist the operating ron controller wires together with the
102. trol Remote control mode selection switch OFF Central control mode Individual setting by remote controller can be inhibited by system controller ON Remote control mode Setting by system controller is inhibited by other central control equipments Central control Main Sub selection switch OFF Main ON Sub When AMY adaptor etc is used with system controller set the switch to ON position When only one system controller is used set the switch to OFF position Except when multiple system controllers are used set only one system controller to OFF position others to ON position ALL mode system controller to be OFF position recommended Central control button operation switch OFF Central control button operation is permitted ON ga button operation is inhibited All switches are OFF position at shipment 2046_M_I 69 4359146 sc SW2 Weekly timer input switches System controller operation can be set when weekly timer activates ON OFF SWw2 AEFT Switch No System controller operation 1 213 Timer OFF gt ON Timer ON OFF All ON All OFF OFF OFF OFF No change All OFF ON OFF OFF Individual control All indoor units to Jof all indoor units be ga 1 OFF ON OFF to be permitted All OFF and all Ditto indoor units to be ON ON OFF 4 All indoor units to be da
103. troller is not same as indoor unit No which is connected see Fig 9 5 and setting again In case of group control main unit No only 78 Pulse width more than 984 ft sec Wire length less than 330 ft 2055_M_I MS Back up switch Back up battery 2056_M_I 84359146 10 HOW TO PROCESS TUBING The narrow tubing side is connected by flare nut and the wide tubing side is connected by brazing 10 1 Use of the Flaring Method Many of the conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units In this method the copper tubes are flared at each end and connected with flare nuts 10 2 Flaring Procedure with a Flare Tool 1 Cut the copper tube to the required length with a tube cutter It is recommended to cut about 12 20 in longer than the estimated tubing length 2 Remove burrs at the end of the copper tube with a tube reamer or file This process is important and should be done carefully to make a good flare Fig 10 1 When reaming hold the tube end downward and be sure that no copper scraps fall into the tube Fig 10 2 3 Remove the flare nut from the unit and mount it on the copper tube 4 Make a flare at the end of copper tube with a flare tool Fig 10 3 Use RIGID or equivalent A good flare should have the following characteristics inside s
104. u initial settings a ee HEHEHE OFF O 1 T stTRuN ADR Y d aina e N E 123 PCU s sue L Lo 1 486 TE eer Servicing Address Flap ON OFF switches switch button operation button 1999 M_I Fig 7 11 54359146 7 11 Misoperation Alarm Indicators Alarm indicator lamps on the indoor unit indicate the error cause when the air conditioner fails to operate upon being switched on The possible alarm indica tions are given in Table 7 1 Fig 7 12 shows the location of the alarm lamps on the indoor unit See Table 7 1 Fig 7 12 Table 7 1 Alarm L OPERATION TIMER STANDBY Cause of Trouble lamp lamp lamp S C errors between the indoor unit s controller PCB and the remote gt is controller e i Compressor protector is working J a S C errors between indoor and outdoor units a a Indoor or outdoor thermistor is malfunctioning es J a Outdoor unit protector is working ko a Indoor unit protector is working i ses at TEST RUN switch on the operation controller is in ON state S C Serial communications OPERATION TIMER STANDBY Remote control lamp lamp lamp receiver 2000_M_I Fig 7 12 Stick the alarm message label accompanying with the wireless remote controller on the electrical component box to find the cause of trouble in case of need 57 54359146 RC ALAD lt RCS BH80U
105. ubes O White 2 For wide and narrow tube flare nuts Tapping screw TOTA4 10 QD 14 or 20 or 24 For air intake duct connection Jumper cable o 1 For increasing the fan speed Hose band Bd 1 For securing drain hose Packing lt 1 For drain joint Sealing putty os 1 For sealing recessed portion of power supply Drain insulator amp D 1 For drain joint Drain hose a Jp 1 Drain hose adaptor q 0 1 Clamp Se 9 For securing drain hose amp refrigerant tubing Tibecon ector Op P pore pear tube from 1 4 in to 3 8 in Jumper cable is housed inside the electrical component box Table 1 5 Outdoor Unit Part Name Figure Q ty Remarks Hexagonal Wrench 1 To open and shut the Narrow Tube Service Valve For protecting refrigerant pipe by attaching to the doon 1 Grommet edge of Tubing Outlet T For protecting inter unit control line by attaching to 1 pasmny the edge of wiring outlet Installation Instruction 1 Owner s manual 1 6 54359146 Table 1 6 Accessories for the Wired Remote Controller Part Name Figure Q ty Part Name Figure Q ty Wired remote controller comes with 7 7 8 in wire 1 Spacers 2 Machine screws gs 2 Wire ioints 4 M4 x 1 in g l Do Wood screws oor 2 g7 Table 1 7 Accessories for the Wireless Remote Controller lt RCS SH80UA WL gt Part Name Q
106. ue 10 20 position position ON S2 ON side A ADD S1 Automatic address setting start button Used for central control link system and group control Normally not used 2093_C_I R C address R C address ae ena S3 2P dip switch green or blue S2 Rotary switch Black ON ON side 00 auto address y t AN 0 when shipped from factory Both OFF aL wy Set to 0 OFF side 87 84359146 12 4 Automatic Address Setting Method For group control and central control with multiple outdoor units Carry out automatic address setting with the remote controller 1 All auto address operation Press the and _a_ buttons at the same time for more than 4 seconds Press the button after confirming the CODE No AA CODE No AA All Auto address operation After addresses are automatically set in order for the outdoor units from No 1 to No 30 the system returns to the normal stopped state 2 Individual auto address operation for each refrigerant circuit To select each refrigerant circuit individually and set addresses automatically press the and _a_ buttons at the same time for more than 4 seconds then press thea _ vw _ button once to set CODE No A1 CODE No A1 Auto address operation Select R C No which you want to execute the auto address operation with button Press the
107. units and make sure all accessory parts listed are with the system before beginning o 1 4 Additional Materials Required for Installation 1 1 Tools Required for Installation Not Supplied 1 Refrigeration armored tape 1 Standard screwdriver Insulated staples or clamps for connecting wire Phillips head screwdriver See your local codes N 2 3 Knife or wire stripper 3 Putty 4 Tape measure 4 Refrigeration tubing lubricant 5 Level 5 Clamps or saddles to secure refrigerant tubing 6 Sabre saw or key hole saw 6 Scale for weighing 7 Hacksaw 8 Core bits 9 Hammer 10 Drill 11 Tube cutter 12 Tube flaring tool 13 Torque wrench 14 Adjustable wrench 15 Reamer for deburring 1 2 Accessories Supplied with Unit See Table 1 1 to 1 9 Table Type 1 1 4 Way Air Discharge Semi Concealed 1 2 Wall Mounted 1 3 Ceiling Mounted 1 4 Concealed Duct 1 5 Outdoor Unit 1 6 Wired Remote Controller 1 7 Wireless Remote Controller 1 8 Weekly Timer 1 9 System Controller 1 3 Type of Copper Tube and Insulation Material Copper tubing for connecting the outdoor unit to the indoor unit is available in kits which contain the narrow and wide tubing fittings and insulation Consult your nearest sales outlet or A C workshop If you wish to purchase these materials separately from a local source you will need 1 Deoxidized annealed copper tube for refrigerant tubing
108. urface is glossy and smooth edge is smooth tapered sides are of uniform length 10 3 Precaution before Connecting Tubes Tightly 1 Apply a sealing cap or water proof tape to pre vent dust or water from entering the tubes before they are used 2 Apply refrigerant lubricant to the matching sur faces of the flare and union before connecting them together This helps to reduce gas leaks Fig 10 4 3 For proper connection align the union tube and flare tube with each other then screw in the flare nut lightly at first to obtain a smooth match Fig 10 5 Adjust the shape of the narrow and wide tubes using a tube bender at the installation site and connect them to the each tubing side valve using a flare nut 79 Deburring exp Fig 10 1 0126m Copper tubing Reamer 0127_M_I Fig 10 2 A Flare nut Copper tubing Flare tool 0128_M_I Fig 10 3 Apply refrigerant lubricant here and here 0129_M_I Fig 10 4 Union Flare nut Fig 10 5 54359146 10 4 Precautions during Brazing Replace air inside the tube with nitrogen gas to prevent copper oxide film from forming during the brazing process Do not allow the tubing to get too hot during the brazing process The nitrogen gas inside the tubing may overheat causing refrigerant system valves to become damaged Therefore allow the tubing to cool be tween brazings 10 5 Connecting Tubing between Indoor and Outdoor Units
109. valve stem counterclockwise to fully open the valve Fig 11 6 With a screwdriver turn the wide tube service valve stem counterclockwise to fully open the valve Fig 11 6 e 2 To avoid gas from leaking when removing the charge hose make sure the stem of the wide tube is turned all the way out BACK SEAT position 3 Loosen the charge hose connected to the wide tube service port 1 4 in slightly to release the pressure then remove the hose Replace the 1 4 in flare nut and its bonnet on the wide tube service port and fasten the flare nut securely with an adjustable wrench or box wrench This process is very important to prevent gas from leaking from the system 5 Replace the valve caps on both the wide and narrow service valves and fasten them securely This completes air purging with the vacuum pump The air conditioner is now ready for a test run 84 Outdoor unit Hex wrench Wide tube Indoor Narrow tube unit Max allowable Required tubing length additional at shipment charge 165 ft 1396_M_I Fig 11 5 CLOSE OPEN 84359146 Narrow tube Wide tube 1002_C_I Fig 11 6 12 TEST RUN 12 1 Preparing for Test Run Before attempting to start the air conditioner 1 2 6 check the following All loose matter is removed from the cabinet especially steel filings bits of wire and clips The control wiring is
110. vely If the back case will not seat well cut the spacers to a suitable thickness Fig 6 3 Connect the remote controller wiring 2 wires correctly to the corresponding terminals in the electrical component box of the indoor unit When wiring do not connect the remote controller wires to the adjacent terminal block for the power wiring Otherwise the unit will break down To finish fit the back tabs of the case into the remote controller and mount it 46 Concealed box for 1 M4 x 25 Under case Back case Wired remote controller Decorative cover 1989_C_I Fig 6 3 Control panel 1990_M_I Fig 6 4 4359146 6 3 Basic Wiring Diagram Install wiring correctly er caution incorrect wiring will damage the equipment Use shielded wires for inter unit control wiring and ground the shield on both sides Fig 6 5 Otherwise misoperation because of noise may occur Shielded wire ground 0797_M_I Group Standard Multiple Fig 6 5 control Connection wiring remote control remote control for group control 1 2 1 2 1 2 Wire joint SE Inter unit control wiring Outdoor unit Ground earth 2030_M_1I Inter unit wiring unit 2 LES Indoor Group control wiring Wiring procedure Install the wiring according to the above wiring diag
111. ving the 3 attaching screws then slide the panel downward and pull it toward you If either rear right or front tubing is needed punch out the knockout holes with a hammer or similar tool After punching out the knockout holes mount plastic protectors on the tubing outlets These accessories are packed inside the unit and can be accessed through the access panel Use tube benders to extend refrigerant tubing to the outside Inter unit Rear wiring outlets 7 l Z 6 1176 2 Compressor Plastic spacer 0496_C_I Height Min 6 in Connector Size Anchor bolts not supplied Unit inch Fig 4 2 1168_C_I l Ba nA gt Power supply wiring outlets Access panel me 3 i X Right Power 4 Control supply line Front wiring Tubing Down outlets Power Supply Inter unit Power Line 1 2 1 2 O QO N outlets _ Inter unit Fig 4 3 control line 40 84359146 Inter unit power line 1102_C_1 5 ELECTRICAL WIRING 5 1 General Precautions on Wiring 1 Before wiring confirm the rated voltage of the 7 unit as shown on its nameplate then carry out the wiring closely following the wiring diagram 2 Provide a power outlet to be used exclusively for each unit and a power supply disconnect and circuit breaker for overcurrent protection should be provided in the exclusive line

Sanyo CH2442 Automobile Accessories User Manual

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