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Carrier 40QAC - page 1
40QAC / 38HDR 40QAQ / 38QR R Ceiling - - - S uspen ded Duct F r ee Split S ys tem Size s 018 to 060 Installation Instructions the environmentally sound refrigerant 40QAC, QA Q Unit 38HDR, QR R Unit NOTE : Read the en tire in structio n m an ual b efo re starting the installatio n . ! W ARNING UNIT OPERA TION AND SAFETY HAZARD Fai l ure to f ol low ...
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Carrier 40QAC - page 2
2 DIMENSIONS - - INDOOR NO TES: 1. Dimensions in [ ] ar e in millimeters. 2. Direction of airflo w. 3. Standard unit clearances are as fol lows: • 0 in. on top a nd rear • 3i n .o nl e f ts i d e • 12 in. on r ight side • 36 in.on bottom (When facing unit discharge.) A08580 UNIT SIZE WEIGH T (lb) A B E F G Coolin g Only Heat Pump f t --- i ...
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Carrier 40QAC - page 3
3 4 3/16" H G L A B J N P E FD 7 1/2" 2 1/2" 1" 8" 4 1/2" 1 7/16" 11/16" C K N UNIT SERIES ELECTRICAL CHARACTERISTICS AB C D E F G H J KL M N P OPERATING WEIGHT(lbs) SHIPPING WEIGHT(lbs) SHIPPING DIMENSIONS (L x W x H) 38HDR018 1 X O O O 25 1/8" 36 15/16" 14 9/16" 16" 23 7/16" 17 3/16 ...
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Carrier 40QAC - page 4
4 106.4 17.5 H G L A B J K N P E FD C 190.5 63.5 25.4 203.2 38.1 114.3 36.5 UNIT SERIES ELECTRICAL CHARACTERISTICS AB C D E F G H J KL M N P OPERATING WEIGHT(KG) SHIPPING WEIGHT(KG) SHIPPING DIMENSIONS (L x W x H) 38HDR018 1 X O O O 638.2 938.2 369.9 406.4 595.3 436.6 435.0 558.8 330.2 168.3 285.8 15.9 74.6 152.4 70.4 77.7 1090.2 X 457.7 X 714.3 38 ...
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Carrier 40QAC - page 5
5 4 3/16" 11/16" J K N P E FD C 7 1/2" 2 1/2" UNIT SERIES ELECTRICAL CHARACTERISTICS AB C D E F G H J KL M NP OPERATING WEIGHT(lbs) SHIPPING WEIGHT(lbs) SHIPPING DIMENSIONS (L x W x H) 38QRR018 0 X O O O 25 1/8" 36 15/16" 14 9/16" 16" 23 7/16" 17 3/16" 17 1/8" 22" 13" 6 5/8" 11 1 ...
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Carrier 40QAC - page 6
6 106.4 17.5 J K N P E FD C 190.5 63.5 N UNIT SERIES ELECTRICAL CHARACTERISTICS AB C D E F G H J KL M NP OPERATING WEIGHT(KG) SHIPPING WEIGHT(KG) SHIPPING DIMENSIONS (L x W x H) 38QRR018 0 X O O O 638.2 938.2 369.9 406.4 595.3 436.6 435.0 558.8 330.2 168.3 285.8 15.9 74.6 152.4 75.9 83.2 1090.2 X 457.7 X 714.3 38QRR024 0 X O O O 790.6 938.2 369.9 4 ...
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Carrier 40QAC - page 7
7 Th ese in stallation in stru ction s cov er the in stallation o f th e matched system s listed in table 2. Parts List Ind oor Unit The fol lowing it ems a re i nclude d wit h the i ndoor unit : T ab le 1 – Installa tio n Ma terials Pa rt N o . Name o f Part Qt y . 1 Sid e P an els 2 2 Hex Head Bolts 4 3 Mount ing Brac ket 2 4 Pistons 1 5 Ins ta ...
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Carrier 40QAC - page 8
8 Refrig erant Charge Th e 3 8H DR and 38 QR R u n its can be m atched w ith multip le outdoor unit s and thus addi ti onal c har ge might be re quir ed when ma tc hed wi th t he 40QAC or 40QA Q unit s. T able 5 – A ddit ional Char ge Add itio nal Charg e l b. (k g.) Unit S ize 38HDR 38QR R 018 0.7 (0.32) 0.7 (0.32) 024 1.3 (0.59) 0.8 (0.36) 030 ...
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Carrier 40QAC - page 9
9 Oper ating R ange En su re that th e system o perates w ithin th e ap plicatio n g uid elines show n in t he fol lowing t abl es . Cooling ope rat ing ra ng e: Maximum Mi nimum DB _ F( _ C) WB _ F( _ C) DB _ F( _ C) WB _ F( _ C) Outdoor Unit 125 (51.7) --- 55 (12.8) --- Indoor Unit 95 (35) 71 (21.7) 67 (19.4) 57 (13.9) Heat ing oper ating ran ge: ...
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Carrier 40QAC - page 10
10 3. Mount Uni t - - the ins tal lat ion loc at ion s hould ha ve alr ea dy bee n ide nti fie d t aki ng into acc ount the pipi ng lengt h, wi ri ng and p ip ing ,co n nectio n s, and clearances. a. Us e mount ing t empl at e, i ncl uded i nside box, to l ocat e mount ing bolt hol es, pi ping holes , el ec tri ca l conne c- tion s, and accesso ry ...
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Carrier 40QAC - page 11
11 Whe n mount ing bra cket s, sel ec t the proper type of har dwa re f rom the g u idelin es belo w . S ee Fig . 1 4 PERSONAL I NJURY AND/OR EQUI PMENT DAMAGE HAZARD Failu re to follow th is cautio n may resu lt in perso nal injury and / or eq u ip men t d amag e. So lid stru ctu re in ceilin g M US T be u sed du e to w eigh t o f the un it. CAUTI ...
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Carrier 40QAC - page 12
12 Comp lete Ou tdo or Refrig erant Pi pi ng Conn ec- tions Foll ow the f oll owing gene ra l guidel ines : 1. Use r ef rige ra nt gr ade f ie ld – suppl ied t ubing. Refer to T able 4 for th e co rrect line sizes. 2. Do not us e l es s t han 10 ft (93. 05 m) of int erc onnec ti ng tubi ng. CAUTION ! UNIT DAMAGE HAZARD Failu re to follow th is ca ...
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Carrier 40QAC - page 13
13 ! W ARNING ELECTRICAL SHOCK HAZARD Fai lure to fol low thi s wa rni ng could r es ult i n pe rs onal inj ury or death . Bef ore per form ing se rvic e or mai nte nanc e, be s ure indoor uni t ma in powe r s wit ch i s t urned O FF and i ndoor blow er ha s st opped. Lo ck o ut and tag sw itch with su itab le warnin g lab el. Power W iring 1. Moun ...
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Carrier 40QAC - page 14
14 ELECTRICAL DA T A T ab le 10 – 3 8 HD R Electrica l Data 38HD R UNIT S IZE V --- P H --- H z VOL T AG E RANGE* CO MP RESSOR OUTDOOR F AN MOTOR MIN C KT AMPS FUSE/ HA CR BKR AMPS Min Max RLA LRA FLA NEC H p kW Out 018 208/230 - - - 1 - - - 60 187 253 9.0 48.0 0.8 0.125 0.09 12.1 20 024 208/230 - - - 1 - - - 60 187 253 13.5 58.3 0.8 0.125 0.09 1 ...
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Carrier 40QAC - page 15
15 A09597 Fig. 20 - - 38HDR and 40QA C Cooli ng Syste m W ir ing Diagr am 40QAC/ 38HDR - - 40QAQ/38QR R ...
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Carrier 40QAC - page 16
16 A09598 Fig. 21 - - 38QRR and 40QAQ H eat Pump Sys te m W iri ng Diagr am 40QAC/ 38HDR - - 40QAQ/38QR R ...
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Carrier 40QAC - page 17
17 Com plete Indo or Piping The pipi ng to the i ndoor unit c an be rout ed fr om the bac k, side and top. I f the uni t is be ing pipe d fr om the t op or the side s ee note bel ow . 1. On he at 40QAQ024 – 048, the c ooling pis ton (i ndoor) i s ship p ed in the factory in stalled metering d ev ice w ith the in- door uni t. Us e T abl e 6 to ve ...
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Carrier 40QAC - page 18
18 Com p let e Contr ol Wir ing 1. Ru n th e co ntro l w iring clo se to the termin al blo ck o n th e indoor uni t. 2. Connec t t he wir es as shown in F ig 18 and Fi g. 20 for 38HDR uni ts , and Fi g. 19 a nd Fig. 21 f or 38QRR unit s. Compl ete Power Connecti on T o In door Un it Be su re field wirin g co mp lies with lo cal b uild in g cod es a ...
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Carrier 40QAC - page 19
19 HP ONL Y COOLING ONL Y A09545 Fig. 25 - - Therm ost at Wi r e Connec tion for 40QA C Heating Only Fig. 26 - - Therm ost at Wi r e Connec tion for 40QA Q Reasse mble In door Unit 1. Rein stall filters an d in let g rilles 2. Reins tal l the si de panel s ST AR T - - UP Pr eliminar y Checks 1. Chec k condens ate dr ai nage s yste m; on the oppos i ...
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Carrier 40QAC - page 20
20 Manifold Gage 500 microns Low side valve High side valve Charge hose Charge hose V acuum pump Low side valve A07361 Fig. 29 - - Mani fol d Deep V a cu u m Met hod The de ep va cuum m et hod requi re s a va cuum pump c apa ble of pu llin g a v acu u m o f 50 0 m icron s an d a vacu u m gag e capab le of accurately measu rin g th is vacu u m dep t ...
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Carrier 40QAC - page 21
21 OPERA TING SEQUENCE Ceilin g - - susp end ed fan co il units hav e a relay bo ard wh ich contro ls sys te m ope ra tion i n res ponse to a room the rmos ta t. The us er ma y ma nual ly se le ct any one of 3 fa n spee ds f or uni t oper at ion. The dis cha r ge louve rs on t he unit c an be s ta tiona ry or s wing cont inuousl y . A s wit ch loc ...
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Carrier 40QAC - page 22
22 T able 13 – Cl eaning and M aint enance Sche dule TA SK MO NTHL Y QUARTERL Y YEARL Y INDOOR UN IT Clea n Air F ilt ers X Clea n Dr ain P ipe X Clea n Conden sate Dr ain P an X Clea n Ind oor Coil X Clea n In door Uni t F ront P an el X OUTDOOR UN IT Clea n th e Fi ns F rom Out side X Ope n the Uni t and C le an Fins I nsid e X Remov e Dust F r ...
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Carrier 40QAC - page 23
23 Befor e Calling f or Serv ice Save t he cos t of a se rvic e cal l by doing the fol lowi ng: 1. Be sure main p ow er to system is turned o n . 2. Pres s Mode butt on until OF F is dis playe d. W a it 5 minut es. 3. Pres s Mode butt o n until ei ther COO L or HEA T is dis playe d (as desired ). 4. Adjus t ther most at s et point to desi red r oom ...
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Carrier 40QAC - page 24
24 LEGEND NOTE: F or syst em s wit h i ndoor units equipped with mic ropr oces s or contr ol, s ee separ ate contr ols, serv ic e, and troubles hooting manual. NC — N ormally Clos ed ODT — Out door Thermos tat A07435 Fig. 33 - - T r ouble shoot ing the He ati ng Cycl e 40QAC/ 38HDR - - 40QAQ/38QR R ...
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Carrier 40QAC - page 25
25 LEGEND NO TE: For systems with indoor units equipped with microprocessor control, see se p arate controls, service, and troubleshootin g manual. NC — Norm ally Closed ODT — O utdoor Ther mostat A07436 Fig. 34 - - T r ouble shoot ing the Cool ing Cyc le 40QAC/ 38HDR - - 40QAQ/38QR R ...
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Carrier 40QAC - page 26
26 Copyright 2009 Carrier Corp. S 7310 W . Morris St. S I ndianapolis , IN 46231 Print ed in U.S .A. Edition Date: 10/09 Manufacturer reser ves the right to change , at any time, specifications and designs without notice and without oblig ations. C a t a l o g N o : 4 0 Q A C --- Q --- 2 S I R e p l a c e s : 4 0 Q A C --- Q --- 1 S I 40QAC/ 38HDR ...
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