Carrier 51CM User Manual

HEATING & COOLING1988 Room Air Conditioners51Start-Up and Service InstructionsInternational Series 51CM,GM,ZM.CV,GYCONTENTSPageSTART-UP ...

COMPRESSORPARTITION ASSEMBLY REMOVAL SCREWCONDENSER ORIFICE REMOVAL ÍSCREWS (4)CONDENSER COIL REMQV SCREWS (2)'condenser COILFig, 16 — Conden

VENT AND EXHAUST LEVEREXHAUST DOORTERMINALS AND WIRINGVENTDOORSCROLLFig. 22 — Compressor and Overload Protector WiresFig 20 — Evaporator ScrollFig 21

19 Vent and Exhaust Lever — See Vent and Exhaust Level in Fig 20a Remove exhaust dooi as desci ibed under Exhaust Doorb Rotate levei upward wh

DISASSEMBLY INFORMATION Models 304's, 404's CasingsModels 51 C,G — The Model 51C Room Air Conditions is referred to as the 304 size casing

Fig. 27 — Removing FilterTIMER ASSEMBLYFig. 28 — Control Box Components27 Thermostat — Thermostat is a cioss ambient device Be careful not to d

SENSINGBULB.'•‘•««»AFig. 29 — Sliding Chassis Out of CasingEXHAUST DOOR FRAMECLICKER BARFig. 31 — Vent Door/Wire Hoodc Slide chassis out of casi

CONDENSER FANEVAPORATORBLOWERWHEELEVAPORATOR TOP GUSSETC0|L\ DARTITinMCONDENSERORIFICEFig 32 “ Evaporator Fan SectionAIR SWEEP MECHANISMAIR SWEEP M

c Cut interconnecting tubing and lemove 2 screws securing condenser coil Remove condenser orifice mounting screws (4)d Remove condenser coil e R

TROUBLESHOOTINGNO COOLING OR INSUFFICIENT COOLINGCompressor Does Not RunOPENING IN POWER CIRCUIT Control off Blown fuse Defective wiring Defective ser

It is much easiei to unsweat a short piece of tubing from the compressor afte) you have removed the compressoi irom the unit It follows that you can s

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obiigationsPC131

proper size fittings to make the connection Connect 1 /4-in fitting to a refrigerant di urn by using chaiging hose 01 1 /4-in tubingCut off the end of

Table 4 — CompressorsKEY NOVENDOR MODELOiL CHARGE (02 ± 1)\ir\\ TCRLA LRARUNNODryRechargeCAPACITORMatsushitaMA-12K25S3R236A-6A14 5125230/20874 42 0RC-

Table 8 — Capillary DataKEY NODIMENSIONS (in.OD(± 002)ID(± 0003)Length (± 25)C-1106 04930C-2 106 05539C-3 106 05538C-4106 05442C-510604926C-6(2)106049

DISASSEMBLY INFORMATION Model 104's CasingModel 51ZM — The Model 5IZM Room Air Condi- tioner is leieiied to as the 104 size casing International

EVAPORATOR COVER SCREWS (5)Fig 5 — Unlocking Chassis Security Lock ScrewFig. 7 — Evaporator Cover ScrewsFig 6 — Sliding Chassis Out of CasingFig 8 — C

Fig 9 ~ Sensing Bulb and Service Cord ScrewsTIMER REMOVAL SCREWS (2)TIMER COOL-HEAT FANCONTROL AND CYCLE SCREWS (2) SWITCHFig. 11 — Control Locati

Remove fan motot leads irorn wiie ties Identify wires foi coirect reassembly Remove fan motoi ground wiie fiom partition assembly by lemoving one scie