TECHNICAL SUPPORT MANUAL Duct Free Split Systems DFF2A/H .

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TECHNICAL SUPPORT MANUALDuct Free Split SystemsDFF2A/H and DFC2A/HSafety Labeling and Signal WordsDANGER, WARNING, CAUTION, andNOTEThe signal words DANGER, WARNING, CAUTION, and NOTE are used to identify levels of hazard seriousness. The signal word DANGER is onlyused on product labels to signify an immediate hazard. The signal words WARNING, CAUTION, andNOTE will be used on product labels and throughout this manual and other manuals that may applyto the product.DANGER -- Immediate hazards which will result insevere personal injury or death.WARNING -- Hazards or unsafe practices whichcould result in severe personal injury or death.CAUTION -- Hazards or unsafe practices whichmay result in minor personal injury or product orproperty damage.Signal Words in ManualsThe signal word WARNING is used throughout thismanual in the following manner:!WARNINGWARNINGThe signal word CAUTION is used throughout thismanual in the following manner:!CAUTIONSignal Words on Product LabelingSignal words are used in combination with colorsand/or pictures on product labels.NOTE -- Used to highlight suggestions which willresult in enhanced installation, reliability, or operation.TABLE OF CONTENTSTechnical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409 & 12 Exploded Drawings & Parts . . . . . . . . . . . . . 1418 & 24 Exploded Drawings & Parts . . . . . . . . . . . . . 2030 & 36 Exploded Drawings & Parts . . . . . . . . . . . . . 25Dual 18 & 24 Exploded Drawings . . . . . . . . . . . . . . . . 29Temperature to Resistance Conversion . . . . . . . . . . . 33Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36Dip Switch Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Model Number Identification . . . . . . . . . . . . . . . . . . . . 38!WARNINGPERSONAL INJURY, AND/OR PROPERTY DAMAGE HAZARDFailure to carefully read and follow this warningcould result in equipment malfunction, propertydamage, personal injury and/or death.Installation or repairs made by unqualified persons could result in equipment malfunction, property damage, personal injury and/or death.The information contained in this manual is intended for use by a qualified service technician familiar with safety procedures and equipped withthe proper tools and test instruments.Installation must conform with local buildingcodes and with the National Electrical CodeNFPA70 current edition or Canadian ElectricalCode Part 1 CSA C.22.1.421 04 9500 00 11/2006

PRODUCT SPECIFICATIONSDuct Free Split System -- High Wall: DFF2A/H, DFC2A/HOutdoor Model Size09J1A12J1A18K1A24K1A30K1A36K1A18J2A24J2AIndoor Model YSICAL DATA - Air ConditionerCooling Capacity re Removal (pints/hr)2.64.55.35.07.08.02 x 2.62 x 4.5Indoor Fan CFM (High speed)3504006707268608602 x 3502 x 400Indoor Sound Rating(dBA High -- dBA Low)55 -- 4560 -- 4862 -- 5064 -- 5065 -- 5365 -- 532x55--452x60--48Outoor Sound Rating (dBA)6872747676767476Liquid Line Connection Size (in.)1/41/43/83/83/83/82 x 1/42 x 1/4Vapor Line Connection Size (in.)1/21/25/85/83/43/42 x 1/22 x 1/2Maximum Vertical Separation (ft.)Indoor Higher than Outdoor3030306565653030Maximum Vertical Separation (ft.)Indoor Lower than Outdoor3030307575753030Maximum Line--set Length (ft.)5050501301301305050Factory Charge R--22 (lbs.) *2.73.14.14.26.065.92 x 2.72 x 3.1* Units are factory charged for 25’ of line set. Add or remove .3oz. of charge per foot if line set length is different.Net Weight, Outdoor (lbs.)73114136187198198136228Net Weight, Indoor (lbs.)191927.527.551512 x 192 x 19OUTDOOR ELECTRICAL DATA - Air ConditionerRequired Supply Voltage115--1--60 ACControl Voltage208/230--1--60 AC30 VDC115--1--60 AC24 VACMinimum Circuit Ampacity -MCA (amps)911.610.7111315.619.824.6Maximum OverCurrentProtective device -- MOCP (amps)1520202025302530Compressor RLA (Run Load Amps)LRA (Locked Rotor Amps)6.1427.6586.5428.66010.07612.9737.2429.358Fan Motor Amps0.910.880.870.940.9411INDOOR ELECTRICAL DATA -- Air ConditionerRequired Supply Voltage30 DC 1Control Voltage30 VDC30 DC 1208/230--1--60 AC24 VACFLA (Full Load Amps)1.81.82.40.60.60.62 x 1.82 x 1.8Minimum Circuit Ampacity -MCA (amps)N/A 1N/A 1N/A 10.460.550.55N/A 1N/A 1Maximum OverCurrentProtective device -- MOCP (amps)N/A 1N/A 1N/A 115 215 215 2N/A 1N/A 11. 30VDC is generated by the outdoor unit and delivered through low voltage wiring to power the indoor unit.Separate disconnect or over--current protection device not required at indoor unit.2. If indoor unit is powered from outdoor terminal block, the MOCP for the outdoor unit covers both units.2Specifications subject to change without notice.421 04 9500 00

PRODUCT SPECIFICATIONSDuct Free Split System -- High Wall: DFF2A/H, DFC2A/HOutdoor Model Size09J1A12J1A18K1A24K1A30K1A36K1A18J2A24J2AIndoor Model YSICAL DATA - Heat PumpCooling Capacity g Capacity 2x11,800HSPF7.77.77.77.78.48.47.77.7Moisture Removal (pints/hr)2.64.55.35.07.08.02 x 2.62 x 4.5Indoor Fan CFM (High speed)3504006707268608602 x 3502 x 400Indoor Sound Rating(dBA High -- dBA Low)55 -- 4560 -- 4862 -- 5064 -- 5065 -- 5365 -- 532x55--452x60--48Outoor Sound Rating (dBA)6872747676767476Liquid Line Connection Size (in.)1/41/43/83/83/83/82 x 1/42 x 1/4Vapor Line Connection Size (in.)1/21/25/85/83/43/42 x 1/22 x 1/2Maximum Vertical Separation (ft.)Indoor Higher than Outdoor3030306565653030Maximum Vertical Separation (ft.)Indoor Lower than Outdoor3030307575753030Maximum Line--set Length (ft.)5050501301301305050Factory Charge R--22 (lbs.) *2.73.14.14.26.065.92 x 2.72 x 3.1* Units are factory charged for 25’ of line set. Add or remove .3oz. of charge per foot if line set length is different.Net Weight, Outdoor (lbs.)73114136187198198136228Net Weight, Indoor (lbs.)191927.527.551512 x 192 x 19OUTDOOR ELECTRICAL DATA - Heat PumpRequired Supply Voltage115--1--60 ACControl Voltage208/230--1--60 AC30 VDC115--1--60 AC24 VACMinimum Circuit Ampacity -MCA (amps)911.610.7111315.619.824.6Maximum OverCurrentProtective device -- MOCP (amps)2020202025302530Compressor RLA (Run Load Amps)LRA (Locked Rotor Amps)6.1427.6586.5428.66010.07612.9737.2429.358Fan Motor Amps0.910.880.870.940.9411INDOOR ELECTRICAL DATA - Heat PumpRequired Supply Voltage30 DC 1Control Voltage30 VDC30 DC 1208/230--1--60 AC24 VACFLA (Full Load Amps)1.81.82.40.60.60.62 x 1.82 x 1.8Minimum Circuit Ampacity -MCA (amps)N/A 1N/A 1N/A 10.460.550.55N/A 1N/A 1Maximum OverCurrentProtective device -- MOCP (amps)N/A 1N/A 1N/A 115 215 215 2N/A 1N/A 11. 30VDC is generated by the outdoor unit and delivered through low voltage wiring to power the indoor unit.Separate disconnect or over--current protection device not required at indoor unit.2. If indoor unit is powered from outdoor terminal block, the MOCP for the outdoor unit covers both units.421 04 9500 00Specifications subject to change without notice.3

J1 213K8K77 1 53 ACC--C om p res sor C ap a citorC O MP --C om presso rFC--F a n C a p a c it o rG N D --G ro u ndTB--T e rm i n a l B l o c kTH--T h e r m i s t o rT AC 670 co ntr ol6451J1 12345J8J1 8K9J1 4K1K2K5K6J7TA C 6 71 Ma in Bo ardSTEPPERMO TO RJ6TH2WHFA N 3F AN 2BLKREDF A N 1 BLU E 30 V 12 V RED--12V B LKC OM P .RVSJ51 23654321J4J1ML EGENDW HT 12 VDCYEL VSPBLK DC RTNB L DCMOTORGNDRED 30 VDCGR/YEL612345TB421 04 9500 00L1N56**R E D**GR EE N3421**W H**BLKVACG RDGNDDC RTNM a in A C S u p p ly115L1 NHLTV 3 0 VD C***REDD C R TNCO MP 1RVSH.L.T.VFAND C R T N ( --)DC O u t ( )T A C 67 3R elay Board45231RV SCO MP 1J1FANTBRV SH.L.T.VFANTB1ACINBLKCRCOMP.SCCBLKFC*O RBLK*BLU EBLKDCR TNGRDL1FANMOTOR247915WHTBLKNGR/Y ELTBNotes:1. If any of the original wire furnished must be replaced, it mustbe replaced with Type 90 degrees C wire or its equivalent.2. Wire in accordance with National Electrical Code (NEC) andlocal codes.3. Thermistor wiring cable 32 ft. long provided with indoor unit.4. Compressor and fan motors are protected by internal thermaloverloads.***G R EENL1 BRN BLUEFUSE 6A3 0V DCPo w e r Su p p l yDCOut*** G R/Y ELG R/YEL* B LU E* BRGR EENGR EENP H --A CC O MP 1K1K2K3K4DFF2AH09 Fan Coil with DFC2A309 Condensing Unit***--1 6 A W G**--1 4 A W G*--1 2 A W GA L L O TH E R W I R E S 1 8 A W G--S p l i c e--Te r m in a l (U n m a r k e d )F ac to r y W i r i n gF i e ld C o n t r o l W i r in gF ie ld P o w e r W i r in gA c c e s s o r y o r O p t i o n a l W ir in gT AC 672 AM ot or C on tro l54321J313REDH.L .T.VGR EE NWHORF ANBLKYEL*G R /Y ELTH1*BR*B L U EOUTDOOR UNIT*BLKM o d el 09 W i r i n g D i a g r a m C o o l i n g O n l y*BR*B RSpecifications subject to change without notice.WHTBRNINDOOR UNITG R /Y ELB LK4ORBRNWHYEL/G RREDBLKPRODUCT SPECIFICATIONSDuct Free Split System -- High Wall: DFF2A/H, DFC2A/H

J1213K8K7FA N 271 30 FC C --Com pressor C apa citorC OMP --CompressorFC--Fa n C a pa cit o rGN D --Grou n dRVS --Re versing Valve Sole noidH LTV --He ating Low Tem p. ValveTB--Te rm ina l B lo c kTH--T h e rm i st o rT A C 6 7 0 c o n tr o lWHBLKRE DFA N 1 BL UE 3 0V 1 2 V RED--12V BLKCOMP.RVSH. L . T . VFAN6 FA N 3451J112345J8J18K9J14K1K2K5K6J7TAC 67 1 Main BoardSTEPPERM OTO RJ6TH3234561J4J112 3B L DCMOTORMLEGENDWHT 12 VDCYEL VSPRED 30 VDCBLK DC RTNG ND5**G REEN**YEL**W H**O R* * R ED**BLKNL1VACFANGRDGNDDC R TN 30 VD CHLTVC OMP 1RVS***REDM a in A C S u p p ly115L1 N123456TBRVSCOMP 1D C R TNFANH.L.T.VD C R TN ( --)D C O u t ( )TAC 67 3Relay Board45123J1BLKACIN30VDCPo w er Su p p l yDCO utRVSH.L.T.VFANBLKCRCOMP.SFC*O RBLK*BLUEBLKRVSDCRT NGRDL1FANMOTOR247915NWHTBLKG R /Y E LNotes:1. If any of the original wire furnished must be replaced, it mustbe replaced with Type 90 degrees C wire or its equivalent.2. Wire in accordance with National Electrical Code (NEC) andlocal codes.3. Thermistor wiring cable 32 ft. long provided with indoor unit.4. Compressor and fan motors are protected by internal thermaloverloads.***GREENL1 B RCCHLTVBLKTH3OUTDOOR UNITN BLUEFUSE 6A* * * G R / YE LG R/Y E L* B LUEG R E ENG R E EN* BRP H --A CCOM P 1K1K2K3K4TB1DFF2HH09 Fan Coil with DFC2H309 Condensing Unit***--1 6 A W G**--1 4 A W G*--1 2 A W GA LL O T H E R W I R E S 1 8 A W G--S p li c e--T erm in a l (U n m a r ke d )F ac t or y W i r i ngF ie l d C o n t r o l W ir in gF i e ld P o w e r W i r in gA c ce s so r y o r O p t io n a l W i r in gT A C 6 72 AMoto r Con trol34512J313J5GR/YELTB12WH3OR4R ED5GREEN6BLKYEL*GR/YELTH2*BR*BLUETH1Mo d el 09 W i r i n g D i ag r am Heat Pu m p*BR*BR*BLKSpecifications subject to change without notice.WHTBRNINDOOR UNITGR/YELBLK421 04 9500 00ORBRNWHYEL/GRREDBLKGR/YELTBPRODUCT SPECIFICATIONSDuct Free Split System -- High Wall: DFF2A/H, DFC2A/H

13K77154ACC --Compressor CapacitorCOMP--CompressorFC--Fan CapacitorGND --GroundTB--Terminal BlockTH--ThermistorTAC 670 controlFAN 2REDFAN 1BLUE 30V WH 12V RED--12V BLKRVSCOMP.H.L.T.VFAN6 FAN 3 BLK451J113245J8J18K9K8J14K1K2K6K5J7TAC 671 Main BoardJ12STEPPERMOTORJ6TH2123456J4J1123MLEGENDWHT 12 VDCYEL VSPBLDCMOTORGNDRED 30 VDCBLK DC RTN123456421 04 9500 00**GREEN**RED**WH**BLKNL1123456RVSCOMP 1DC RTNFANHLTV***REDDC RTN ( --)DC Out ( )TAC 673Relay Board12345J1Main AC SupplyL1 N115 VACGNDDC RTN 30 VDCHLTVCOMP 1RVSFANTBACIN30VDCPower HTDCRTNGRDN L1Notes:1. If any of the original wire furnished must be replaced, it mustbe replaced with Type 90 degrees C wire or its equivalent.2. Wire in accordance with National Electrical Code (NEC) andlocal codes.3. Thermistor wiring cable 32 ft. long provided with indoor unit.4. Compressor and fan motors are protected by internal thermaloverloads.***GREENL1 BRCCFC*ORBLKBLK*BLUEBLKOUTDOOR UNITBLKBLKN BLUEFUSE 6A* BLUEGR/YEL*** GR/YELGREENGREEN* BRPH-- ACCOMP 1K1K2K3K4DFF2AH12 Fan Coil with DFC2A312Condensing Unit***--16 AWG**--14 AWG*--12 AWGALL OTHER WIRES 18 AWG--Splice--Terminal (Unmarked)Factory WiringField Control WiringField Power WiringAccessory or Optional WiringTAC 672 BMotor UE*GR/YELTH1Model 12 Wiring Diagram Cooling Only*BR*BRGR/YELBLKINDOOR UNIT*BLKWHTBRNSpecifications subject to change without notice.BLK6WHBRNREDYEL/GRGR/YELTBPRODUCT SPECIFICATIONSDuct Free Split System -- High Wall: DFF2A/H, DFC2A/H

134 FAN 2 RED6 FAN 3 BLKK9K7CC --Compressor CapacitorCOMP--CompressorFC--Fan CapacitorGND --GroundRVS --Reversing Valve SolenoidHLTV --Heating Low Temp. ValveTB--Terminal BlockTH--ThermistorTAC 670 control7152AWH5 FAN 1BLUEJ111 30V 12V RED--12V BLKCOMP.RVSK8J14K2K1324 H.L.T.VK6FANK5J8J18TH35J7TAC 671 Main BoardJ12STEPPERMOTORJ6TH2123456J4J1123MLEGENDWHT 12 VDCYEL VSPBLDCMOTORGNDRED 30 VDCBLK DC 12345RVSCOMP 1DC RTNFANHLTV***REDDC RTN ( --)DC Out ( )TAC 673Relay BoardMain AC SupplyL1 N115 VACGNDDC RTN 30 VDCHLTVCOMP 1RVSFANTBBLKACIN30VDCPower SupplyDCOutRVSH.L.T.VFANTB 1CRCOMP.SFC*ORBLKFANMOTOR123456WHTN L1DCRTNGRDNotes:1. If any of the original wire furnished must be replaced, it mustbe replaced with Type 90 degrees C wire or its equivalent.2. Wire in accordance with National Electrical Code (NEC) andlocal codes.3. Thermistor wiring cable 32 ft. long provided with indoor unit.4. Compressor and fan motors are protected by internal thermaloverloads.***GREENL1 BRCCHLTVBLKGR/YELBLK*BLUERVSTH3OUTDOOR UNITBLKBLKN BLUEFUSE 6A*** GR/YEL* BLUEGR/YELGREENGREEN* BRPH-- ACCOMP 1K1K2K3K4DFF2HH12 Fan Coil with DFC2H312 Heat Pump***--16 AWG**--14 AWG*--12 AWGALL OTHER WIRES 18 AWG--Splice--Terminal (Unmarked)Factory WiringField Control WiringField Power WiringAccessory or Optional WiringTAC 672 BMotor Control12345J313J5GR/YELBLKYELWHORREDGREENTB*BR

TECHNICAL SUPPORT MANUAL Duct Free Split Systems DFF2A/H and DFC2A/H DANGER, WARNING, CAUTION, and NOTE The signal words DANGER, WARNING, CAU- . Heat Pump RequiredSupplyVoltage 30DC1 208/230--1--60AC 30DC1 ControlVoltage 30VDC 24VAC FLA (FullLoadAmps) 1.8 1.8 2.4 0.6 0.6 0.6 2x1.82x1.8 MinimumCircuitAmpacity--

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