Carrierメーカー50CRの使用説明書/サービス説明書
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1 50CR Infinity t Single - - Pac kaged Heat Pump Units Wit h Puro n ® (R- - 410A) Refrigerant Sizes 024- - 060 Installation Instructions NOTE : Read the entire in structio n m anu al before starting th e installatio n.
2 SAFETY CONSIDERA TIONS Installatio n and serv icing o f this equ ipm ent can be hazar dous due to me cha nic al and el ec t ri ca l c ompone nts . Onl y tr ai ned and qua l if ie d per s onnel s hould ins ta ll , re pa ir , or se rvi ce t his e quipm ent .
3 Gask et around outer edge Insulated deck pan Gask et around duct S/A R/A HVAC unit base *Gask eting outer flange Flashing field supplied Roofing material field supplied Cant str ip field supplied *P.
4 A B C MAXIMUM ALLOW ABLE DIFFERENCE (in.) A-B B-C A-C 1/4 1/4 1/4 C99065 Fig . 3 - - U nit Lev eling T olera nces OPTIONAL RETURN AIR OPENING OPTIONAL SUPPL Y AIR OPENING EV AP . COIL COND . COIL 2" C99096 Fig. 4 - - Slab Mounti ng Detai l A06114 Fig.
5 A05299 Fig. 6 - - 50CR024 - - 036 Unit Di mens i ons 50CR.
6 A05300 Fig. 7 - - 50CR042 - - 060 Unit Di mens i ons 50CR.
7 Ste p 4—Ri g and Place Unit Rig gin g and h and ling of this equ ipmen t can b e h azar dous for ma ny reason s du e to th e in stallation locatio n (roo fs, elevated structu res, etc.). Only t r ai ned, qual if ie d cr a ne ope ra tor s and gr ound support st a f f shoul d ha ndle and i nst al l t his equi pme nt.
8 DETAIL A C03017 Fig. 8 - - Riggi ng Br acke t Under U nit Rai n Lip A06113 UNIT S IZE MAX IMUM S HIPP ING WEI GHT Lb Kg 50CR024 372 169 50CR030 372 169 50CR036 395 179 50CR042 462 210 50CR048 485 220 50CR060 521 236 Fig.
9 Step 5 —Select an d Insta ll Du ctwo rk Th e desig n an d in stallation of th e d uct sy stem m ust be in acco rdance with th e stand ards of t he NF P A for in stallation of n on - - resid ence typ e air con ditio ning an d ven tilating sy stems, NF P A 90 A o r re s ide nce t ype, NFP A 90B and/or l oc al c odes a nd ordina nc es .
10 T able 1— Physi cal Dat a - - Unit 50CR UNIT SIZE 024 030 036 042 048 060 NOMINAL CAP ACITY (ton ) 2 2- -1/ 2 3 3- -1/ 2 4 5 OPERA TING WEIGHT (lb.) 350 350 373 440 463 499 Comp ressor Scr oll Refrigerant ( R- - 410A ) Quantit y (lb.) 7.5 8 9.5 10.
11 Duct Covers A05301 Fig. 1 1 - - 50CR wit h Duct Cove rs On 1” (25mm) MIN. 2” (50mm) MIN. TRAP OUTLET C99013 Fig. 12 - - Condens ate T r ap Step 7 —Insta ll Electrica l Con nectio ns ELECTRICAL SHOCK HAZARD Fai lur e to fol low this wa rni ng coul d re sul t i n per s onal i njur y or dea t h.
12 Ta b l e 2 — E lectrical D ata —50 CR UNIT SIZE V - -P H - -H Z V O LTA G E RANGE CO MPRESSOR OFM FLA IFM FLA ELECT RIC HEAT SING LE POI NT POWER SUPPL Y NOMINAL FLA MCA MOC P MIN MAX RLA LRA kW* 024 208/230- - 1- - 60 187 253 13.5 61.0 0.9 4.3 -- / -- -- / -- 22.
13 228 =1v 229 =2v 227 =2v LEGEND FLA — Full Load Amps LRA — Locked Rotor Amps MCA -- Minimum Circuit Amps MOCP — Maximum Overcurrent Protection RLA — Rated Load Amps NO TES: 1.
14 7.0 A05304 Fig. 15 - - Wi ri ng Schem ati cs- - 50CR Single Phas e 50CR.
15 5.0 A05259 Fig. 16 - - Wi ri ng Schem atic s- -50CR Thre e Phas e 50CR.
16 GROUND SCREW (IN SPLICE BO X) BLU YEL BLK GROUND LEAD SINGLE-PHASE CONNECTIONS T O DISCONNECT PER NEC 3-PHASE CONNECTIONS LEGEND NEC – National Electr ical Code Field Wiring Splice Connections NO TE: Use copper wire only . L1 L3 L2 C99057 Fig. 17 - - Line Powe r Conne ct ions A05303 Fig.
17 SEC-2 SEC-1 F1 5 HK38EA002 ABCD 1 COMM 1 1 OAT HUM C W O Y R HEATER 1 MO TO R STATUS A03169 Fig. 19 - - Det ail of Pr int ed Cir cui t Board PRE- - ST AR T - - UP FIRE, EXPLOSI ON, ELECTRICAL SHOCK HAZARD Fai lur e to fol low this wa rni ng coul d re sul t i n per s onal i njur y or dea t h a nd/or pr oper ty dam age .
18 10 sec onds ). Onc e comm unic at ions wi th Us er I nte rf ac e ar e successfu l, CO MM LE D will b e lit and h eld on . At th e same time, am ber ST A TUS LED wi ll be li t a nd hel d c ontinuous l y on unti l a requ est for o peratin g mo de is receiv ed.
19 Whe n the motor is comma nde d to stop, the M OTOR LED wil l be tur ned of f. The MOT OR LED wil l not fl as h to i ndic at e com mun ication s when it is tu rned o f f. Unit cont rol is const ant ly c ommuni ca t ing wi th t he mot or , e ve n whe n the mot or and MOT OR LED ar e of f.
20 Ch eck system wirin g to be sure the User Interface is po wered and conne c ti ons a re ma de A to A, B t o B, e tc ., a nd wi ri ng is not short ed. Mi s- -wiri ng or short ing of the A BCD comm unic at ions wi ri ng wi ll no t allow su ccessful co mmu nicatio ns.
21 COMPRESSOR ACCUMULATOR OUTDOOR COIL INDOOR COIL LCS LEGEND HPS – High Pressure Switch LCS – Loss of Charge Switch Accurater ® Meter ing De vice Arro w indicates direction of flo w TXV in Metering Position Bypass P osition HP S C03011 Fig.
22 CHECKING AND ADJ USTING REFRI GERANT CHARGE The r e fr ige ra nt s yst em is f ull y cha r ged wi th Pur on ( R - - 410A) refrigeran t an d is tested and facto ry sealed. NOTE : Adjus t ment of t he re f ri ger ant c har ge is not r equi r ed unle ss the uni t is s us pec te d of not having the prope r R- - 410A char ge.
23 75 (24) 82 ( 28) 85 (29) 95 (35) 105 (41) Pressure (psig) 5 1 01 52 02 5 Pressure (kPa) 3 6 8 11 14 024 10.3 ( 5.7 ) 9.8 ( 5.4 ) 9. 4 ( 5.2 ) 9 ( 5 ) 8.6 ( 4.7 ) 189 61 56 51 46 41 1303 16 13 11 8 5 030 9.3 ( 5. 2 ) 8. 8 ( 4.9 ) 8.6 ( 4.8 ) 7.8 ( 4.
24 Ta b l e 6 — E lectric Hea t Pressur e D r op T ab le Large C abine t: 042- - 060 CFM 1 100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 5kw 0.00 0.00 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.1 1 0.12 7.2 kw 0.
25 The mi nimum mai nte na nce re quir eme nt s for this e quipm ent ar e as follo ws: 1. Insp ect air filter(s) each m on th. Clean or rep lace w hen necessary. 2. Ins pe ct i ndoor coi l, dr ai n pan, a nd conde nsa t e dra in each coo ling seaso n for cleanlin ess.
26 Balance Point Worksheet 0 10 20 30 40 50 60 70 -20 -10 0 10 20 3 0 40 50 60 Outdoor Air Temp (Deg F) Building Heat Loss, 1000BTUH Unit Integrated Heating Capacity, 1000BTUH 060 048 042 036 030 024 Based on Entering Indoor Air of 70 Deg. F and Rated CFM C03008 Fig.
27 ai rf low a cr oss i ndoor coi l, di rt y f ilters, etc. It o pens o n a p ressure drop at a bout 20 psi g. If s yst em pr es sur e is above thi s, s wi tc h shoul d be closed . T o check sw itch: 1. T urn of f al l power t o unit. 2. Dis c onnec t le ads on sw it ch.
28 Step 1 4—S ystem In forma tion LOSS - - OF- - CHARGE SWI TCH Th e loss o f charge switch is a pro tective d evice w ired into co ntro l ci rc ui t (l ow volta ge) . It s huts of f the compr e ss or if abnor mal ly low pressu res are presen t in th e refrigeratio n circuit.
29 HEA T PUMP WITH PURON REFRIGERA T I ON SECTION QUI CK- - REFERENCE GUIDE Pu ron refrig erant o perates at 50 - - 7 0 p ercent h igher p ressures th an R - - 22 . Be su re that servicin g equ ipmen t and rep lacement co m ponent s ar e des igne d to oper at e w it h Puron.
30 Ta b l e 7 — T r ouble shoot ing Char t SYMPTOM CAUSE REMEDY Comp ressor and o ut door fan will no t start Powe r failure Call power c ompany Fuse blown or c ircuit break er tripped Replace fus e.
31 T able 7— T r ouble shoot ing Chart ( Cont ’d) SYMPTOM CAUSE REMEDY Head pressure to o low Low refr i gerant c harge Chec k for leaks, repair and rechar ge Restr iction in l iquid tube Re move .
32 ST ART -UP CHECKLIST (Remove and Store in Job File) I. Preliminary Information MODEL NO .:_________________________________ SERIAL NO .:__________________________________ D A TE:_______________________________________ TECHNICIAN:_________________________________ II.
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