R−22 - Columbia Pipe & Supply Co.
Contents
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3. S3NI11VNSIS ANY H3MOd NIVHG LNVH39IH J3H 9 via 06 3A33IS SANIT IWNOIS H3MOd LNVH3OIHJ3H 3015 1331 1107 20 SNILV3H AVHI SANIT IVNOIS 1NVH39IHJ3H 3015 1 918 LNOMDONY MalA LNOYS 55300 MalA 5 ANY 39IAH3S 1 WAWININ NIIN 008 18 NIN 001 v6 801 9 Tired L3 TINI HO1VHOdV 3 V HOS H3AOO N3dO Su3rilJ MalA 3GIS 1331 L3TNI 1431 WOLLOS HO ACIS 1H5IH ACIS 1431 1 OL 1431 uvas SQV 38 AYN SNOLLO3NNOO H3MOd LNVH3OlHd3H NOLLO3HIG E 7 98 LON OQ SH313IATTIIW NI 38V SIHONI NI SNOISN3WIQ SALON 90 6 VI9 HVC3JQ V E40 HHC33G 60 6 V E0 HVC33G V V DItcHVC3JQ HO
4. 1 31011118NO9 LON S300 51 HO SONIMVEG ISHL JO NOISSINENS 1OVHINOO 40 3ONv1 d390V 1N3SNOO SIONPOid GASN HO 0350710510 38 LON S1N31NOO LVHL NOLLIINOO SS3HdX3 JHL NOdN SI sionpoid uojuoo 30 AL H3dOHd 3H SI INSWIIDOQ SIHL 8 861 606 eDnessissi suoi 199 1109 0 Sionpoid alu OTT sionpoid vojuro euoneueiu WSN eu ut MIIA 3 15 MAIA LNOHH 02 NOILOANNOO 3H VH Base ch pia AINON VIO iau q NOLLO3NNOO 3HV H 9 lt 4 amori Y 1HOd 39IAH3S 1 NOILOANNOO SZ 1HOd 39935 NOLLO3NNOO 3H VH 7 idu LON 338 N HHION33S z S3ONVHY371O WNWNININ 5 SIHL
5. Btu h 22 600 28 000 32 000 Watt 6 624 8 206 9 379 rers sa 06a aro 1565 1950 155 51282 DFC2H324K1A DFC2H330K1A DFC2H336K1A 65 75 130 20 23 40 3 8 5 8 3 8 3 4 3 8 3 4 BRISTOL T21J334CBCA 44 90 x 25 20 x 15 75 NER BRISTOL T21J225CBCA BRISTOL T21J265CBCA in 43 30 x 25 20 x 12 60 44 90 x 25 20 x 15 75 mm 1100 x 640 x 320 1140 x 640 x 400 1140 x 640 x 400 Lb Kg 1 _____ 1876 198 90 198 90 Accurator Accurator is non serviceable TAY 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 JF to 125 IF 12 7 to 51 6 00 TITLE SUPERSEDES DRAFTER 2 ENGINEER DATE EITANC 05 07 2006 2 97 I 9 0 v2 Z 5 H3MOd INVYSOIUISY INOLLOS 1 MalA INO LLOS JIYN NOLLO3NNOO AINON 3uvid JIYN NOILONS HOLIMS 3dIHH3AO ALOWSY Q3HVHHNI d33MSUIV OLNV NOLLOANNOO gHV8 TTVIA ISOH 8e 881 9 0 V
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7. o NOQID3NNOO QOL 2 dOL P ingol 9107 9 2 E 910 9 Ingo 2 9170 9 o eZ a 4 2 AIddNS 91315 310H 92171 1 OIBL3IN NI SIS3H IN3HVd NI SNOISNSWIG TOME RE NNI H3HLO 40 LIINI LON 5308 3NO 40 05 SLINn 3ONvHHV NOLLVOL d dV LIND LETQW vl LINN dO dOL JHL 3ONVHV3TO WAWINIW 1334 Z MOTIV L zz 5 1109 HOSSSYdWOD NO 3ONVHY3TO WAWINIW 1334 ONY LE 1100 NO 9 3015 NO 3ONVHY3T1O IWQIWININ MOTIV TIVM 9NIOV4 HLIM L JIS HOSS3HdIOO NO 3ONVHV310 WRIWINIW 1334 ONY 5 5 NO WAWININ 9 MOTIV TIVM ONIOV HLIM HL WANWININ 9 MOTIV TIVM SNIOV 109 S3ONVHV3TO dauinoaa 1 i 5 7 WEN9EEHZO4G f 06 861 96 8 6 5061 Z28 291 2291 EZ 282 02 998 081 219 0 0 092 201 01 227 8 91 098 98 22 S SL 00v vZ SL 8877 029 OC SC BE 9 06 861 96 8 6 9061 88 2291 Scv 2291 EZ 482 022 998 081 219 0 0 092 8 01 01 227 8 91 098 98 22 SE SL 009 9791 88 vv 079 068 8 VLXPZEHZOJG S 98 28 96 8
8. xs 0 3 _ __ __ _ __ i87 E ws 1871 i016 1780 mo 0 sa 4733 osa osa 15 8 1874 1640 ms 3 za zm i ms 0 ra za 155 1442 f o ox er na ee __ ox w es en 53 m0 m os ez en m0 e l p 1 oa e ee __ _ mw os ns ne gt p e e p o o a e za sa S385 o 1076 10 35 we 9 sa sa sz2 sss az 9 m sm 886 815 9530 w f m m 585 889 917 s p _ 8 8 87 x m 788 oer 843 sa 5125 y __ __ me 72e 788 789 _ _ _ 78 7513 e x sm 858 6 722 ss 6 954 sa 5083 6 844 us xa sm 6 62 0 m a e 585 e 8875 ns a s 575 5544 m sm ss 654 m x sm 480 5 818 ms xu sm 48m 4988 2793 sm 337 4S6 48 a 0 _ __ w 4x9 4468 0 e Me sso 0 a x s 384 4B 418 ss m oer 384 0 m 38x oo 388 wr xa ss 350 38 NOTE Resistance tolerance 396 17 T
9. 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 NOTE A drainage tube can be connected to the outdoor unit to remove condensation formed during heating mode operation WARNING FIRE HAZARD Failure to follow this warning could result in personal injury death and or property damage Make sure that all screws and wires are properly fastened MAKE REFRIGERANT PIPING CONNECTIONS OUT DOOR 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 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 T
10. 5 8 in 47 ft lb 3 4 in 72 ft lb Both refrigerant lines need to be insu lated 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 3 Disconnect the vacuum pump Unit should maintain 500 microns for 5 minutes 4 Remove the service port caps from the mixed phase valve and suction line valve 5 Open the mixed phase valve small valve with an Allen wrench 6 Open the suction line valve large valve with an Allen wrench 7 The outdoor unit is supplied with sufficient R 22 re frigerant for up to 25 ft lineset length Add 0 9 oz of refrigerant for each additional 3 ft of tubing length 8 Make sure that the valves are properly opened Be careful not to open them more than required as this may damage the thread 9 Replace the service port cap Using refrigerant oil lubri cate 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 an
11. E 69 8 9 486 22691 229 EZ 282 0 998 051 ZFS 828 0922 O 0 911 LES 088 967 0 0 4171 OZE 0921 0011 0 079 09 uiuvzevzoaa N S 69 S81 ww 5 ww S3HONI SIHONI S3HONI S3HONI S3HONI ww unu S3HONI SIHONI uu S3HONI uu S3HONI 5 ww S3HONI S3HONI 3719 LINN amp onuvuado N 1 M r H 9 d J a 9 g V 1N3SNOO Sionpoig uopuog eonouinouy iueuinoop siu UI jo Aue eBueuo sense 1022088 SjonpoJd A9VH INOO 40 39NVLLd39OV leuomeuielu CASN HO 0350710519 38 LON SLN31NOO pun uno episuung 0909 821 xog IHL Ni LHYd JLNLILSNOO LON 300 SS3HdX3 NOdN SI SLN3INNDO SONIMVHQ 30 NOISSINENS Sinpoid IO A 1H3dOHd 3H1 SI LNSWNOOG SIHL epeueg 210 jo u spnpoid jeuom epeueo uj 1 059 nij OTl sinpoid WSN eu ur 6 0 15m min 6 8 3 1 8 2 5m Fig 2 Indoor Unit Cl
12. Indoor and outdoor units should be installed at a Mini 2 0 em mum length of 10 ft apart Maximum line length of 130 ft and vertical separation of 65 ft e Do not install indoor units near a direct source of heat such as direct sunlight steam or flame CAUTION UNIT COMPONENT DAMAGE Failure to follow this caution may result in damage to unit components Fig 1 Outdoor Unit Clearances 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 ITEM Mounting Bracket Long Screws 1 2 in Cap Screws sizes 030 036 units onl 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 2 colored 2 nickel plated 1 Mounting Bracket with 2 screws 1 OPTIONAL Not Included DIAGRAM JEU rr DFF2A DFF2H 09 12 or DFF2A DFF2H 18 Oy Available for HEAT PUMP ONLY MUAHHH OTS NADAO01TW Indoor Unit Cooling Capacity Efficiency Cooling SEER Sys
13. 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 15 Indicator Lights 16 Table 7 DFS2A DFS2H Thermistor TH 1 TH 2 and TH 3 Temperature to Resistance Conversion TEMPERATURE TEMPERATURE TEMPERATURE TEMPERATURE MINIMUM MEAN MAXIMUM GF C TOLERANCE TOLERANCE RESISTANCE RESISTANCE RESISTANCE EH 398 9405 E 3245 34 30 54 2957 52 2875 so 2687 ss 2566 wo f sm m 2s 9450 nas E 2238 sa 2740 ean os
14. mount ing bracket See Fig 8 NOTE Leave covers off until after the Making Drainage Connections section Route the 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 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 sec tions in the tube 4 Check that the drainage functions properly Fill the pan below the unit s coil with water and observe that it freely drains out 5 Make sure the drainage hose is at the bottom side of the wall through hole see Fig 5 HEAT PUMP Model 24 DIP Switches location on the control box side HEAT PUMP Model 30 DIP Switches location on the control box side HEAT PUMP Model 36 DIP Switches location on the control box side COOLING ONLY Model 24 DIP Switches loca
15. 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 seal ant material 13 78 ALL DIMENSIONS ARE IN inches Fig 4 A Mounting Bracket DFF2A DFF2H 24 30 36 G4 ALL DIMENSIONS ARE IN mm A T Fig 4 B Mounting Bracket DFF2A DFF2H 30 36 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 indoor unit does not require the removal of the grille frame but in case of need do as follows 4 Remove the two screws from the air discharge opening Save the screws to reassemble See Fig 7A e 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
16. CAUTION is used throughout this manual in the following manner A CAUTION Signal Words on Product Labeling Signal words are used in combination with colors and or pictures on product labels 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 of 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 Each refrigerant line must be insulated Separately See line sizing requirements in Table 2 TOP min Consult local building codes and National Electrical Code LEFT min 2 0 6m NEC U S A for special installation requirements 6 0 15m T Control wiring should be 18 Gage REAR min Useonly type G or C fuses Use single length power P Oiam cable without extension Allow sufficient space for airflow x clearance on condensing units for wiring refrigerant piping s Sos RIGHT min and servicing unit See Fig 1 for minimum required dis S 2 tances between unit and walls or ceilings FRONT min wd e
17. Cooling Model Heat Pump DFS2A324K1A DFS2H324K1A DFS2A330K1A DFS2H330K1A DFS2A336K1A DFS2H336K1A 421 01 9218 00 51302618914 D Nov 06 DFS2A H 24 30 36 Duct Free Systems Installation Start Up and Service Instructions CONTENTS Page SAFETY CONSIDERATIONS 1 GENERAL ia rad NR 1 6 INSTALLATION 7 15 Indoor Unit Installation 7 Outdoor Unit Installation 9 Power Supply eicere Ide mnes epe 10 Leak Test sco eere ra mr mre 10 Wiring Diagrams 12 13 START UP lovi uiid 14 System 14 CARE AND 14 Outdoor Units 14 Indoor Units 14 To Clean the Indoor Unit Front Panel 14 To Clean Indoor Coil 14 Air Filters for Outdoor Units 14 INDOOR UNITS 14 SERVICE rush t Ee aa a 15 TROUBLESHOOTING 16 19 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
18. Y F 18 8 T DIVA vt B YLNOD a 8f Lf Qqdvosg 1 QUuvO8 HOOQNI ci ng ci HL CHL LHL LINN weibeiq 9g 0 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 7 Check all air conditioner operating modes Refer to Own er 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 dis turb the neighbors 3 Are there any gas leaks EXPLAIN THE FOLLOWING ITEMS TO THE CUSTOMER WITH THE AID OF THE OWNER S MANUAL 1 How to turn the air conditioner on and off selecting cool ing 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
19. able 7 DFS2A DFS2H Thermistor TH 1 TH 2 and TH 3 Temperature to Resistance Conversion Cont meg WIENER CHEESE EE F 87001 oom 389 NOTE Resistance tolerance 396 18 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 Check if the remote control is in the desired mode If not select the correct mo
20. ays 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 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 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 or 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 damage 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 CAUTION COMPONENT DAMAGE HAZARD Failure to follow this caution may result in unit component damage Operating your system with dirty air filters may damag
21. d Fig 13 14 for system wiring diagrams Leak Test Leak test all fittings with appropriate test equipment 10 Table 4 Electrical Data Indoor Units 208 230 1 60 FULL FAN COMPRESSOR UNIT VOLTAGE MCA MOCP LOAD MOTOR a LOCKED ROTOR AMPS AMPS AMPS 208 230VAC 046 46 15 orraa 30K1 208 230VAC 0 55 15 N A N A DFF2HH _ __ 36K1 208 230VAC 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 Specifications and performance data are subject to change with out notice pMANCE 3095897 Table 5 Electrical Data Outdoor Units 208 230 1 60 FILE cowemesson AMPS AMPS AMPS Em II SEE ERE NE 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 1 NOTE Specifications and performance data are subject to change with 3 Lis TE out notice 3095897 11 pZ ue rz 5 1 B14
22. de refer to User manual Also note that every 15 minutes maximum the compressor will be switched minimally on for 3 minutes Check for proper connection of power at disconnect The selected mode is Fan Only or Cool when heating is desired Observe the temperature setting on the remote control Also note that each 15 minutes maximum the compressor will be switched on minimally for 3 minutes P compressor is cut out Switch off power and try again after one hour Compressor run capacitor is burnt Replace compressor run capacitor Compressor winding shorted Replace compressor 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 m of refrigerant Ice formation on the evapora tor coil izing the gas leak Clogged air filters Clean filters Wait 10 minutes maximum until the unit resumes normal opera tion Temperature is set to a value which is too high in Cool mode Indoor fan motor is blocked or turns slowly operating in defrost cycle Drain pan pipe or hose is clogged
23. e 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 14 down or 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 shouldbe by service 2 Remove the intake grille and distribution assembly technician 3 Remove the condensate water in the drain pan by letting Clean Condensate Drains Clean all drains and drain pans at water drain into a 3 gallon bucket the start of each cooling season Check the flow by pouring water into the drain 15 TROUBLESHOOTING Tables 6 8 and Fig 15 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
24. earances 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 con nected to the back of the indoor unit s base with screws 2 Position the mounting bracket on the wall and level it us ing a spirit level see Fig 2 for minimum required clear ance distances 3 Mark the four drilling holes on the wall as they appear in Fig 4 and Fig 5 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 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 side of the hole 4 If refrigerant line route no 1 2 or 4 are used use a small
25. he suction and mixed phase lines should never come in direct contact INTER UNIT POWER SUPPLY TERMINAL BLOCK TERMINAL BLOCK P ve f NL T HIGH LOW VOLTAGE METAL ARRIER TH3 SENSOR HEAT PUMP ONLY METAL CONDUIT CONNECTION PLATE POWER SUPPLY CABLE ap INTER UNIT CABLE 4 ABSORPTION CUSHION TO BE PUT UNDER EACH LEG Fig 12 Legs Mounting Base and Wiring Outdoor Units POWER AIRCOND TIMER cul EL IR 4 RECEIVER N Ne IR RECEIVER FILTER Operation push button for automatic operation 23 C 73 F turning the a c OFF canceling the malfunction indication and resetting the filter LED SERVICE LED PLASTIC COVER Fig 12A 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 the 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 con nection size Mixed Phase line Suction line 3 8 in 29 ft lb
26. it cable clamp DR Fig 9 Outdoor Sensor Connection CONNECT REFRIGERANT LINES For models 30 36 Open the cover on the bottom of the unit as shown in Fig 10 This service opening enables the connection of the refrigerant pipes Tightening the fan coil unit to the mounting bracket For models 30 36 only Onceconnection is completed secure the fan coil body to the mounting bracket as follow Tighten the two screws under the opening cover to the mounting bracket See Fig 10 e Close the service cover Tighten the two painted screws to mounting bracket 9 2 Screws 2 Screws 8x 1 2 8 x 1 2 Nickel Painted Cap Covered Cap Fig 10 Tightening the fan coil unit to the mounting bracket ATTACH THE REMOTE CONTROLLER MOUNTING BRACKET 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 11 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 m 5 _ 7 REMOTE CONTROL 1 REMOTE CONTROL MOUNTING BRACKET Fig 11 Attach Mounting Bracket to the Wall OPTIONAL NADAO01TW Fig 11 A Wall Mounted Unit RTX Outdoor Unit Installation NOTE The outdoor unit must be installed on a solid surface mounting base
27. or the spout of drain pan is clogged Disassemble plastic drain pipe from spout of evaporator drain pan Flush with clean water The unit is in the Auto emergency mode Push button once to cancel Auto emergency mode 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 Faulty remote control settings 3 Replace remote control Remote control low battery Replace remote control batteries Modify the Remote Control IR transmission code Common Infrared 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 reserves i e rig or change spect or _ incurring 19
28. 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 Failure to follow this warning could result in personal injury or death LT 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 to flush all dirt and debris from drain holes in base of unit Fan mo tors are waterproof Indoor Units 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 alw
29. service this equipment Untrained personnel 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 WARNING The signal word
30. tem 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 LEGEND Table 2 Physical Data Cooling Only DFF2AH24K1A DFF2AH30K1A DFF2AH36K1A Btu h 22 800 29 000 33 000 _ 3900 E 780 680 7 580 920 800 680 1597138971158 51232 DFC2A324K1A DFC2A330K1A DFC2A336K1A 65 75 130 20 23 40 ___ BRISTOL T21J225CBCA BRISTOL T21J265CBCA BRISTOL T21J334CBCA 43 30 25 20 12 60 44 90 25 20 15 75 44 90 25 20 15 75 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 LEGEND 19890 Piston Accurator Accurator is non serviceable Table 3 Physical Data Heat Pump DFF2HH24K1A DFF2HH30K1A DFF2HH36K1A 6 682 8 499 9 672 SEER 8 9
31. tion on the control box side COOLING ONLY Model 30 DIP Switches location on the control box side COOLING ONLY Model 36 DIP Switches location on the control box side 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 L Sizes 30 36 Fig 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 ON N 23456 amp J Inter unit terminal block ON H 24 VAC 23456 91 Display ON E connection 23456 oO E ON 2345 6 J Y in o THI TH2 f TH3 ON d E peu e Heat Pump Only 23456 Inter un
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