R−22
Contents
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6. 480 500 5150 m 487 4988 as 4768 x 46 44 2 x x 06 430 x 4163 8s x 384 92 o 387 386 8r x xw s a o NOTE Resistance tolerance 396 21 Table 7 DFS2A DFS2H Thermistor TH 1 TH 2 and TH 3 Temperature to Resistance Conversion Cont TEMPERATURE ERR F c ac KQ 391 366 328 320 385 se 3365 ma s 296 3169 wa _ __ 2867 3066 288 2966 2870 ma m 258 88 mae 289 280 25 ma 2964 206 2 wa 189 ma 15 ma 1 188 18 wma ee 15 weep 15 199 1 wa
7. 6 83 1 8 2 5m Fig 2 Indoor Unit Clearances INSTALLATION Plan the installation carefully to avoid component failures and make installation easier Indoor Unit Installation REFRIGERANT LINE ROUTING The refrigerant lines may be routed in any of the four directions shown in Fig 3 INSTALL THE MOUNTING BRACKET 1 Carefully remove the mounting bracket which is connected to the back of the indoor unit s base with screws 2 Position the mounting bracket on the wall and level it using a spirit level see Fig 2 for minimum required clearance distances 3 Mark the four drilling holes on the wall as they appear in Fig 4 4 Drill the holes insert the wall plugs and use four long screws to attach the mounting bracket to the wall 5 Check that the bracket is leveled and securely fastened to the wall DRILL A HOLE IN THE WALL FOR DRAINAGE AND INTER UNIT CONNECTIONS To make the connections between the indoor and outdoor units drill a 09 12 2 5 in 18 3 in hole through the wall for the refrigerant lines drainage hose and control cable passage as shown in Fig 5 1 Mark the center of the hole to be drilled according to the refrigerant line routing used and dimensions shown in Fig 4 2 Make sure to drill outwards and downwards so that the opening in the outside wall is at least 1 2 in lower than the opening on the inside 3 Make sure the drainage hose is at the bottom sid
8. ERE 1 Mounting Bracket with 2 screws 1 OPTIONAL Not Included NADAO01TW Indoor Unit Cooling Capacity Efficiency Cooling SEER System Charge MOISTURE REMOVAL Air Flow Turbo High Low Dimensions LxHxD REFRIGERANT TYPE Net Weight Outdoor Unit TUBE CONNECTIONS Vertical lift Vertical drop Max length NOMINAL LINE SIZING Mixed Phase Suction COMPRESSOR TYPE Dimensions LxHxD Net Weight METERING TYPE Table 2 Physical Data Cooling Only DFF2AH09J1A DFF2AH12J1A enana TYPE Lb Kg Feet DFC2A309J1A 1 4 4 2 R 22 DFC2A312J1A 30 30 50 9 9 15 1 4 1 2 NEUEM a samara Piston Accurator SEER Seasonal Energy Efficiency Ratio Units are shipped with a factory charge based on 25 ft of refrigerant lines Indoor Unit Cooling Capacity Efficiency Cooling SEER Heating Capacity HSPF Heating Seasonal Performance Factor System Charge MOISTURE REMOVAL Air Flow Turbo High Low Dimensions LxHxD REFRIGERANT TYPE Net Weight Outdoor Unit TUBE CONNECTIONS Vertical lift Vertical drop Max length NOMINAL LINE SIZING Mixed Phase Suction COMPRESSOR TYPE Dimensions LxHxD Net Weight METERING TYPE Table 3 Physical Data Heat Pump l DFF2HH09J1A 9 000 2 638 DFF2HH12J1A 11 600 3 400 SEER Btu h 8 600 11 800 Watt 2 521 3 458 HSPF 7 7 7
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12. 15 Ex 1330 w ox 189 1580 EX NOTE Resistance tolerance 396 22 Table 8 General System Troubleshooting Guide PROBABLE CAUSE CORRECTIVE ACTION Unit Fails to Start Only Indoor Fan Works when Cooling or Heat ing is Desired NOTE Indoor fan runs contin uously in cooling mode Only Indoor Fan Motor and Outdoor Fan Motor are Working No Cool ing and or Heating Takes Place No Air Supply at Indoor Unit Compressor Op erates Low Capacity In Heat Mode Only Compressor Runs Outdoor and Indoor Fan Motors are Stopped Water Accumulates and Overflows from Evaporator Drain Pan Unit Does Not Operate in Desired Mode The Unit Receives In terference from Other Remote Control or the Remote Control Inter feres with Other Instru ments IMPORTANT Power supply from outdoor unit to indoor unit is not connected Power supply to unit not connected POWER LED Off Fuse blown POWER LED Off Reset circuit breaker or replace line fuse ON SEND button has not been pressed Press ON SEND button on remote control Indoor unit does not receive transmitted com Make sure that nothing is blocking the remote control transmis mands sion to the unit The selected mode is Fan Only or Cool when Check if the remote control is in the desired mode If not select heating is desired the correct mode refer to User manual Also note that every 15 minutes maximum the compress
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16. Cooling Model Heat Pump DFS2A309J1A DFS2H309J1A DFS2A312J1A DFS2H312J1A DFS2A318K1A DFS2H318K1A 421 01 9217 00 51302618915 0 NOV 06 DFS2A H 09 12 18 Duct Free Systems Installation Start Up and Service Instructions CONTENTS Page SAFETY CONSIDERATIONS 1 GENERAL See A hee as 2 6 INSTALLATION 7 18 Indoor Unit Installation 7 Outdoor Unit Installation 9 Power Supply 10 Leak Test 10 Wiring Diagrams 12 17 START UP 18 System 5 18 CARE AND MAINTENANCE 18 Outdoor Units 18 Indoor Units 18 To Clean the Indoor Unit Front Panel 18 To Clean Indoor Coil 18 Air Filters for Indoor Units 18 SERVICE X 9 ks 19 TROUBLESHOOTING 20 23 SAFETY CONSIDERATIONS Installing starting up and servicing air conditioning equipment can be hazardous due to system pressures electrical components and equipment location roofs elevated structures etc Only trained qualified installers and service mechanics should install start up and service this equipment Untrained perso
17. Yd HM N33H5 198 318 Acl 2V Hd poe 519 DVL P PES _ NIU Dw ALIH 37 a c 3018 AP mue LN e Aro 17 414 E 7 i 19 E SAM 1 izs 9 038 18s 4 NIS 1 uq vw 91 13A H5 T 6 LHL LINA 81 LINN START UP System Checks 1 Conceal the tubing where possible 2 Make sure that the drainage tube slopes downward along its entire length Ensure all tubing and connections are properly insulated Fasten tubes to the outside wall Seal the hole through which the cables and tubing pass Connect the air conditioner to the power source and turn it on ON RU 7 Check all air conditioner operating modes Refer to Owner s Manual for operating details INDOOR UNIT 1 Do all the remote controller buttons function properly 2 Do the display panel lights work properly 3 Does the air deflection louver function properly 4 Does the drainage work OUTDOOR UNIT 1 Are there unusual noises or vibrations during operation 2 Is noise drain water or airflow from the unit likely to disturb the neighbors 3 Are there any gas leaks EXPLAIN THE FOLLOWING ITEMS TO THE CUSTOM ER
18. not to open them more than required as this may damage the thread Replace the service port cap Using refrigerant oil lubricate the cap beam and hand tighten until resistance is met Use a suitable wrench to tighten the cap by an additional 1 2 turn Power Supply See Tables 4 and 5 for electrical data and Fig 13 18 for system wiring diagrams Leak Test Leak test all fittings with appropriate test equipment 10 Table 4 Electrical Data Indoor Units 30VDC FULL FAN COMPRESSOR UNIT VOLTAGE MCA MOCP LOAD MOTOR LOCKED ROTOR AMPS AMPS AMPS LEGEND MCA Minimum Circuit Amps MOCP Maximum Overcurrent Protection f indoor unit is powered from outdoor terminal block the MOCP for the outdoor unit is for both sections NOTE Specifications and performance data are subject to change with 3 I Lis TE out notice 3095897 DFF2HH Table 5 Electrical Data Outdoor Units 115 1 60 FULL FAN COMPRESSOR UNIT VOLTAGE MCA MOCP LOAD MOTOR LOCKED ROTOR AMPS AMPS AMPS DFF2AH 115VAC 11 6 20 187 1 00 76 58 TeVAC ne 20 197 10 76 58 LEGEND MCA Minimum Circuit Amps MOCP Maximum Protection f indoor unit is powered from outdoor terminal block the MOCP for the outdoor unit is for both sections 1 NOTE Specifications and performance data are subject to change with 3 T
19. WITH THE AID OF THE OWNER S MANUAL 1 How to turn the air conditioner on and off selecting cooling heating and other operating modes setting a desired temperature setting the timer to automatically start and stop air conditioner operation and the other features of the remote controller and display panel How to remove and clean the air filter How to set the air deflection louver Explain care and maintenance Present the Owner s Manual and installation instructions to the customer CARE AND MAINTENANCE The following may be performed by the equipment owner Outdoor Units 4 WARNING ELECTRICAL SHOCK HAZARD amp P Failure to follow this warning could result personal injury or death Before performing recommended maintenance be sure unit main power switch is turned off CLEANING COILS Coil should be washed out with water or blown out with compressed air Clean coil annually or as required by location and outdoor air conditions Inspect coil monthly and clean as required Fins are not continuous through coil sections Dirt and debris may pass through first section become trapped between the row of fins and restrict outdoor unit airflow Use a flashlight to determine if dirt or debris has collected between coil sections Clean coil as follows 1 Turn off unit power and install lockout tag 2 Using a garden hose or other suitable equipment flush coil from the outside to remove dirt Be sure
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21. TITLE NEW SUPERSEDES 19170 9 H3MOd 01315 HOS Se LE L330VU8 0 9 3GIS LHOIH M3IA Iwwoz AL SL E 1 4 EN EY J E 5 _ _ _ _ 401 lwg ol 0 9 39uvHOSIQ pe Vora 76 1 1 so 42 6 1 SISSH IN3HVd NI SNOISNANIG JO LIINI H31N3 LON 5300 3NO 40 9 05 SLINN 3ONVHHV NOLLVOr d dV 71 LINN 30 401 4 H3AO 3ONVHV3 TO WNNWININ 1334 2 MOTIV 2 30151100 HOSS3HdWOO NO 3ONVHV3TO WNWINIW 1334 ANY 1109 NO 9 3018 NO 3ONVHV3TO WAWININ 2 MOTIV TIVM 9NIOVd 306 HOSSd3HdWOO 3ONVHV3 TO WNIWINIW 1334 ANY 9 3015 NO 3ONVHV3TO WNWININ 9 MOTIV TIVM 9NIOVJ TIOO HLIM FL WANININ 9 MOTIV TIVM ONIOVA TIOO
22. that it freely drains out 5 Make sure the drainage hose is at the bottom side of the wall through hole see Fig 5 REASSEMBLE 1 Connect the display connector to the display panel printed circuit board 2 Put the control box cover and grille frame back on using the appropriate screws Steps 3 and 4 of Wire the Indoor Unit section Put the grille insert back on Fig 7 Remove Control Cover A e 7a Remove the screws from the air discharge opening Mount the indoor unit on the mounting bracket 4 Gently push with the arrow direction Fig 8 Indoor Unit Mounting Standard Dip Switches status from the factory HEAT PUMP ON Model 12 DIP Switches location 123456 Inter unit on the control box side M terminali block HEAT PUMP wc lE c Pt COOLING ONLY ON n V 23256 COOLING ONLY Hi Mode control 123456 Heat Pump Oniy Inter unit cable clamp Fig 9 Outdoor Sensor Connection ATTACH THE REMOTE CONTROLLER MOUNTING BRACK
23. the suction line to prevent the formation of oil traps Insulate each tube with 3 8 in walled thermal pipe insulation Inserting the tubing into the insulation before making the connections will save time and improve installation The suction and mixed phase lines should never come in direct contact INTER UNIT TERMINAL BLOCK POWER SUPPLY TERMINAL BLOCK HIGH LOW VOLTAGE METAL ARRIER TH3 SENSOR HEAT PUMP ONLY 4 METAL CONDUIT CONNECTION PLATE POWER SUPPLY CABLE INTER UNIT CABLE D f 4 ABSORPTION CUSHION TO BE PUT UNDER EACH LEG Fig 12 Legs Mounting Base and Wiring Outdoor Units Models DFC2A H 12 18 Fig 12A Legs Mounting Base Wiring Outdoor Units Models DFC2A H09 INDOOR UNIT 2 X 09 2 X 12 Operation push button for PLASTIC CONTROL COVER TEES automatic operation 23 C 73 F turning the a c OFF canceling the malfunction indication and resetting the filter LED AUTO OFF OFILTER RESET SERVICE LED Fig 12B Indoor unit LED s and Wiring FLARING AND CONNECTING REFRIGERANT LINES 1 Remove the protective cap from the flare fitting 2 Remove the protective cap from the tubing and cut to the required length Be sure that the cut is perpendicular and clean without burrs 3 Slip the flare nut on the tubing and flare t
24. 7 fae 370 E 280 220 R 22 DFC2H309J1A DFC2H312J1A Feet 1 4 1 2 30 30 50 9 9 15 1 4 1 2 28135126 6 Panasonic 2P17SR126B1A zu 28 74 x 21 25 x 10 43 35 43 x 25 20 x 12 60 730 x 540 x 265 900 x 640 x 320 m Piston Accurator HPSF Heating Seasonal Performance Factor SEER Seasonal Energy Efficiency Ratio Units are shipped with a factory charge based on 25 ft of refrigerant lines NOTE Standard Ambient Operating Limitations 55 to 125 12 7 to 51 6 4 Accurator is non serviceable Accurator is non serviceable DFF2AH18J1A 19 000 5 569 13 4 1 1 9 5 3 670 570 460 1138 968 781 42 12 11 41 7 48 1 070 290 190 27 5 12 5 DFC2A318K1A 3 8 5 8 Panasonic 2K25S236AHA 43 30 x 25 20 x 12 60 1100 x 640 x 320 136 62 DFF2HH18J1A 19 000 5 569 13 18 300 5 363 7 7 4 1 1 9 5 3 670 570 460 1138 968 781 42 12 11 41 7 48 1 070 290 190 27 5 12 5 DFC2H318K1A 3 8 5 8 Panasonic 2K25S236AHA 43 30 x 25 20 x 12 60 1100 x 640 x 320 136 62 TITLE SUPERSEDES REV A DRAFTER EITANC ENGINEER DATE EITANC 05 07 2006 97 81 Z sc v9 2160 Z ANY H3MOd LNVH39
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26. ET 1 Use the two screws supplied with the controller to attach the mounting bracket to the wall in the location selected by the customer see Fig 10 2 Install batteries in the remote control 3 Place remote control into remote control mounting bracket 4 For remote control operation refer to the unit Owner s Manual QUE REMOTE CONTROL 5 MOUNTING BRACKET OPTIONAL NADAO01TW Fig 11 Wall Mounted Unit RTX Outdoor Unit Installation NOTE The outdoor unit must be installed on a solid surface mounting base 1 Place the rubber absorption cushions supplied with the outdoor unit under the unit s feets to prevent vibrations 2 Fasten the outdoor unit legs to the mounting base as shown in Fig 12 The cushion goes between the legs and the mounting base 3 Be sure that the unit is leveled MAKE REFRIGERANT PIPING CONNECTIONS OUTDOOR UNIT To connect the refrigerant lines Use only L type sealed dehydrated copper refrigerant tubing No other type of tubing may be used Use of other types of tubing will void the manufacturer s warranty Do not open service valves or remove protective caps from tubing ends until all the connections are made Bend tubing with special bending tools to avoid the formation of sharp bends Take care to avoid kinks or flattening of the tubing Keep the tubing free of dirt sand moisture and other contaminants to avoid damaging the refrigerant system Avoid sags in
27. IHJ3H 19 06 3A33S CNW H3MOd INVYSOIUISY INOLLOS MalA INO LLOS 3juv IJ SW H NOLLO3NNOO 1 FWA 9 NOLLO3NNOO NOILONS HO LIMS 3dIHH3AO S3NITTIVNOIS H3MOd LNVH3OIHJ3H 3015 1331 SNILV3H u3Ano1 d33Msulv OLNY 4 ium 1 gt ug Hl V LIINI 1100 CNV H3MOd 88400 N3dO 3966 1331 1 1 SH3rlH 3GIS L3TNI 1331 WOLLOG HO 3 6 1431 OL 1431 uvas SQV 38 AV SNOILO3NNOO H3MOd ANY LNVH3OlHd3H 39IAH3S 3ONVHWV3 TO NIIN 002 18 NIN 001 v6
28. MPERATURE TEMPERATURE MINIMUM MEAN MAXIMUM TEMPERATURE TEMPERATURE TOLERANCE TOLERANCE RESISTANCE RESISTANCE RESISTANCE EF ac 8 8 __ ___ 3099 S244 a gt 3245 Ss 3001 2951 2815 so 2687 ss 25 66 ss 24 50 231 2238 21 40 m E 205 1754 1874 9 7 ae are 1789 eas x x 381 180 ms x _ 389 ma x 146 1609 ma 1442 2 17 199 1385 x 125 1274 13 gt 1270 5 1218 x 1 125 mo 3 1680 99886 om 1076 as 1033 x 322 956 382 3 x 85 916 95 9 x 558 880 9157 17 848 8797 sis 8 453 ssa 8125 sa 7812 m 7022 8a 898 7227 sss 6354 s 5693 822 484 m 582 62 5 s a 578 597 x 548 558 5758 ns 5544 508 515 538
29. art of each cooling season Check the flow by pouring water into the drain 19 TROUBLESHOOTING Tables 6 8 and Fig 19 4 WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Be sure to check for broken wires or loose cable lugs before troubleshooting system Table 6 Service Indicators LAMP STATUS INDICATION CORRECTION ACTION Check the TH1 thermistor for correct resistance 1 Flash Faulty TH1 Sensor Check for proper connection Replace thermistor if necessary Check the TH2 thermistor for correct resistance 2 Flashes Faulty TH2 Sensor Check for proper connection Replace thermistor if necessary Check system pressures 3 Flashes Low Pressure Check refrigerant charge Check thermistors TH1 and TH2 for correct resistance Check system pressures 4 Flashes High Pressure Check refrigerant charge Check thermistors TH1 and TH2 for correct resistance Check operating voltage 5 Flashes Low Voltage Check electrical connections Check operating voltage 6 Flashes High Voltage Check electrical connections OPERATION LED INDICATES ERROR POWER LED OFF WHEN SYSTEM IS OPERATING AND FLASHES WHEN SYSTEM IS IN ERROR DOES NOT INDICATE ERROR CODE CLEAN FILTER INDICATOR FLASHED AFTER 250 HOURS OF OPERATION Fig 19 Indicator Lights 20 Table 7 DFS2A DFS2H Thermistor TH 1 TH 2 and TH 3 Temperature to Resistance Conversion TE
30. e of the hole 4 refrigerant line route no 1 2 or 4 are used use a small saw blade to carefully remove the corresponding plastic covering on the side panel 5 Run the outdoor sensor cable electrical cable refrigerant lines and drainage tube through the hole 6 Fill the remaining wall hole gap with an appropriate sealant material 10 63 4 92 ALL DIMENSIONS ARE inches G 3 ALL DIMENSIONS ARE IN mm Fig 4 Mounting Bracket DFF2A DFF2H 18 Optional for HEAT PUMP SYSTEMS OUTDOOR SENSOR CABLE REFRIGERANT 7 LINES 1 2 IN MIN INDOOR OUTDOOR ELECTRICAL DRAINAGE CABLE Fig 5 Drill Holes WIRE THE INDOOR UNIT 1 Strip the cables back 1 4 inch 2 Remove the unit s front panel by lifting the lower part and pulling it gently outward and upward See Fig 6 3 Remove the two screws from the control box cover and take off the cover See Fig 7 Save the screws to reassemble NOTE In general wiring the
31. ge fins LUBRICATION The indoor fan automatic air sweep and the outdoor fan motors are factory lubricated and require no oiling Air Filters for Indoor Units A CAUTION COMPONENT DAMAGE HAZARD Failure to follow this caution may result in unit component damage Operating your system with dirty air filters may damage the indoor unit and in addition can cause reduced performance intermittent system operation frost build up on the indoor coil and blown fuses Inspect and clean or replace the air filters monthly TO REMOVE AIR FILTERS Open the unit s front panel by lifting the lower part and pulling it gently outward and upward Pull out the filters TO CLEAN OR REPLACE FILTERS Filters can be vacuumed or washed in warm water Shake filter to remove any excess water and replace it back If the filter has begun to break 18 down is torn replace it Replacement filters are available Clean or Replace Drain Pan The drain pan should only be through a local dealer cleaned or replaced by a qualified service technician SERVICE 1 Place a plastic sheet on the floor to catch any water that may spill from the drain pan Remove the intake grille and distribution assembly 3 Remove the condensate water in the drain pan by letting water drain into a 3 gallon bucket The following should be performed by a qualified service 2 technician Clean Condensate Drains Clean all drains and drain pans at the st
32. he following manner A CAUTION Signal Words on Product Labeling Signal words are used in combination with colors and or pictures on product labels 4 WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Before installing or servicing system always turn off main power to system and install lockout tag on disconnect There may be more than one disconnect switch GENERAL These instructions cover the installation start up and servicing DFC2A DFC2H outdoor and DFF2A DFF2H indoor units cooling only and heat pump duct free systems See Table 1 for parts included See Tables 2 and 3 for Physical Data SYSTEM REQUIREMENTS IMPORTANT The Indoor units amp the inter units cable voltage is 30 VDC IMPORTANT Each refrigerant line must be insulated Separately See line sizing requirements in Table 2 Consult local building codes and National Electrical Code NEC U S A for special installation requirements Max cable length Total voltage drop should not exceed 1V Therefore max length For 18 AWG 24 3 Feet 7 4 m For 16 AWG 37 7 Feet 11 5 m For 14 AWG 50 0 Feet 18 m Useonly type or fuses Use single length power cable without extension Allow sufficient space for airflow clearance on condensing units for wiring refrigerant piping and servicing unit See Fig 1 and 2 for minimum required distances between unit and walls or ce
33. he tube end using standard flaring tools 4 Tighten the nut until resistance is met Mark the nut and the fitting Using a suitable wrench tighten an additional V4 turn Use the following specified torque according to connection size Mixed Phase line Suction line 1 4 in 12 3 ft Ib 1 2 in 36 ft lb 3 8 29 ft lb 5 8 in 47 ft lb Both refrigerant lines need to be insulated separately NOTE The service valves on the outdoor unit must remain closed until all 4 connections have been made EVACUATE TUBING AND CHARGE THE SYSTEM When all the fittings are connected air must be expelled then refrigerant charge must be checked and adjusted Follow the steps below 1 Open the service port cap on the suction line valve large valve 2 Connect the vacuum pump to the service port of unit No 1 via the pressure gage and evacuate to 500 microns to eliminate contamination and moisture Disconnect the vacuum pump Unit should maintain 500 microns for 5 minutes Remove the service port caps from the mixed phase valve and suction line valve Open the mixed phase valve small valve with an Allen wrench Open the suction line valve large valve with an Allen wrench The outdoor unit is supplied with sufficient R 22 refrigerant for up to 25 ft lineset length Add 0 9 oz of refrigerant for each additional 3 ft of tubing length Make sure that the valves are properly opened Be careful
34. ilings Indoor and outdoor units should be installed at a Mini mum length of 10 ft apart Maximum line length of 50 ft and vertical separation of 30 ft Do not install indoor units near a direct source of heat such as direct sunlight steam or flame A CAUTION UNIT COMPONENT DAMAGE Failure to follow this caution may result in damage to unit components Do not bury more than 36 in of refrigerant pipe in the ground If any section of pipe is buried there must be a 6 in vertical rise to the valve connections on the outdoor units If more than the recommended length is buried refrigerant may migrate to the cooler buried section during extended periods of system shutdown TOP min 2 0 6m 2 0 6 FRONT min 2 0 6m N LEFT min 6 0 15m Y REAR min 6 0 15m A FRONT min j 2 0 6m Fig 1 B Outdoor Unit Clearances REAR min 6 0 15m RIGHT min 6m Mounting Bracket Long Screws Outdoor Sensor Connecting Cable Absorption Cushions Electric Terminals Remote Controller Mounting Bracket Remote Controller and Batteries Insulation for Indoor Fittings Owner s Manual Wall mounted Receiver RTX Table 1 Parts List High Wall Units QTY DIAGRAM mu OPUS nutum SU DFF2A DFF2H 09 12 or DFF2A DFF2H 18 Available for HEAT PUMP ONLY m
35. indoor unit does not require the removal of the grille frame but in case of need do as follow 4 Remove the two screws from the air discharge opening Save the screws to reassemble See Fig 7a downwards and outwards on the bottom of the grille and gently raise the frame of the top of the unit Once all covers are off mount the unit onto the wall mount ing bracket See Fig 8 NOTE Leave covers off until after the Making Drainage Connections section Route interconnecting unit s electric cable and the out door sensor cable towards the lower right hand corner of the indoor unit Make sure that the wires are connected in accordance with the wiring diagram on the inside of the unit front cover or within this instruction manual Secure the control cables to the strain relief Forheat pump systems only connect the outdoor sensor TH3 to its mating black terminal See Fig 9 A WARNING FIRE HAZARD Failure to follow this warning could result in personal injury death and or property damage Make sure that all wires and screws are firmly fastened MAKE DRAINAGE CONNECTIONS 1 Connect the unattached end of the drainage tube to the drainage hose outlet 2 Seal the drainage connection to prevent leakage 3 Make sure there are no kinks U bends or flattened sections in the tube 4 Check that the drainage functions properly Fill the pan below the unit s coil with water and observe
36. ith clean water The unit is in the Auto emergency mode Push button once to cancel Auto emergency mode Faulty remote control settings 1 If remote control symbols respond to the commands correctly check the unit ID Code Standard or Alternative Refer to Changing Unit ID Code in the Owner s Manual 2 If Cool commands are OK but Heat symbol is skipped on LCD refer to setting the remote to cooling or heat pump on the Owner s Manual 3 Replace remote control Remote control low battery Replace remote control batteries Common Infrared Code Modify the Remote Control IR transmission code Refer to Changing Unit ID Code in the Owner s Manual The units are designed to work in heat mode only down to 10 C 14 F outdoor ambient temperature If at starting time outdoor temperature is equal or lower than 10 C 14 F the unit will not start and the filter led will flash five 5 times to indicate that low temperature protection is activated International Comfort Products LLC Lewisburg Tennessee 37091 discontinue or change at any time specifications or designs without notice and without incurring obligations 23 anufacturer reserves the rig
37. nnel can perform basic maintenance functions such as cleaning coils other operations should be performed by trained service personnel When working on the equipment observe precautions in the literature and on tags stickers and labels attached to the equipment Follow all safety codes Wear safety glasses and work gloves Keep quenching cloth and fire extinguisher nearby when brazing Use care in handling rigging and setting bulky equipment DANGER WARNING CAUTION and NOTE The signal words DANGER WARNING CAUTION and NOTE are used to identify levels of hazard serious ness The signal word DANGER is only used on product labels to signify an immediate hazard The signal words WARNING CAUTION and NOTE will be used on product labels and throughout this manu al and other manuals that may apply to the product DANGER Immediate hazards which will result in se vere personal injury or death WARNING Hazards or unsafe practices which could result in severe personal injury or death CAUTION Hazards or unsafe practices which may re sult in minor personal injury or product or property damage NOTE Used to highlight suggestions which will result in enhanced installation reliability or operation Safety Labeling and Signal Words Signal Words in Manuals The signal word WARNING is used throughout this manual in the following manner A WARNING The signal word CAUTION is used throughout this manual in t
38. or will be switched minimally on for 3 minutes Check for proper connection of power at disconnect Temperature is set to a value which is too high in Observe the temperature setting on the remote control Also note Cool mode that each 15 minutes maximum the compressor will be switched on minimally for 3 minutes Overload safety device on compressor is cut Switch off power and try again after one hour due to high temperature Compressor run capacitor is burnt Replace compressor run capacitor Compressor winding shorted Replace compressor Indoor fan motor is blocked or turns slowly 1 Check voltage Repair wiring if necessary 2 Check indoor fan wheel if tight on motor shaft Tighten if nec essary Indoor fan motor capacitor is burnt Replace indoor fan motor capacitor Indoor fan motor winding is burnt Replace indoor fan motor In Heat mode Delayed start for indoor fan motor Normal software delay maximum of 20 sec Clogged air filters air filters Clean filters Unit must be charged according to the nameplate after local Ell of refrigerant Ice formation on the evapora tor coil izing the gas leak Clogged air filters Clean filters operating in defrost cycle Wait 10 minutes maximum until the unit resumes normal opera tion Drain pan pipe or hose is clogged or the spout of drain pan is clogged Disassemble plastic drain pipe from spout of evaporator drain pan Flush w
39. to flush all dirt and debris from drain holes in base of unit Fan motors are waterproof Indoor Units 4 WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death To avoid the possibility of electric shock before performing any cleaning and maintenance operations always turn off power to the system by pressing the ON OFF button on the remote control and turn off the separate disconnect switch located near the unit If the indoor unit is on a separate switch be sure to turn this disconnect off as well A CAUTION COMPONENT DAMAGE HAZARD Failure to follow this may result in unit component damage Do not wash filter in water over 120 F to avoid shrinkage Do not expose filter to fire to avoid fire damage Do not expose filter to direct sunlight Clean filter more frequently when air is extremely dirty A WARNING ELECTRICAL SHOCK FIRE COMPONENT DAMAGE HAZARD Failure to follow this warning could result in personal injury death and or property damage Do not attempt to clean or service components in control box To Clean the Indoor Unit Front Panel if the front panel of the unit becomes dirty smudged wipe the out side of the panel with a soft dry cloth Use a mild liquid deter gent and wipe off carefully with a dry cloth To Clean Indoor Coil To clean the coil remove indoor unit front panel and vacuum the coil fins using care not to bend or dama
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