Carrier 51CM- Manuals

Page 2 - befoie; SAFETY REMINDERS

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 soldei the oil piping stub into the new compressor fittings more easily befoie the eompiessor is put back into the unit If you choose a good tubing loc...

Page 3 - Table 2 — Physical and Electrical Data (Single Phase, 60 Hz) — 1988; Table 3 — Physical and Electrical Data (Single Phase, 50 Hz) — 1988

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 tubing Cut off the end of the pigtail on the discharge line Flaie and install a I /4-in stop valve or (preferably) a charging manifold Invert drum and charge liquid refrigera...

Page 4 - Table 4 — Compressors; Table 5 — Run Capacitors

Table 4 — Compressors KEY NO VENDOR MODEL OiL CHARGE (02 ± 1) \ir\\ TC RLA LRA RUN NO Dry Recharge CAPACITOR Matsushita MA-1 2K25S3R236A-6A 14 5 125 230/208 74 42 0 RC-4 MA-2 2K32S3R236A-6A 14 5 125 230/208 96 52 0 RC-6 Mitsubishi MI-1 RH421SS 10 1 9 1 200 FLA 4 5 26 0 RC-12 MI-2 RH427SS 19 2 17 3 2...

Page 5 - Table 8 — Capillary Data; Table 9 — Capillary Insertion; Va

Table 8 — Capillary Data KEY NO DIMENSIONS (in. OD (± 002) ID (± 0003) Length (± 25) C-1 106 049 30 C-2 106 055 39 C-3 106 055 38 C-4 106 054 42 C-5 106 049 26 C-6(2) 106 049 66 C-7 125 070 34 C-8 125 054 25 C-9 125 064 25 C-10 125 064 35 C-11 125 070 22 C-12 125 064 26 C-13 125 070 26 C-14 125 070 ...

Page 6 - A CAUTION

DISASSEMBLY INFORMATION Model 104's Casing Model 51ZM — The Model 5IZM Room Air Condi- tioner is leieiied to as the 104 size casing International Series unit See Fig 1 Fig. 3 — Removing Filter Fig. 1 — Model 51ZM 1 Grille — Decorative iiont grille insert is removed by giipping top of insert and pull...

Page 7 - Fig 5 — Unlocking Chassis Security Lock Screw; Evaporator Cover

EVAPORATOR COVER SCREWS (5) Fig 5 — Unlocking Chassis Security Lock Screw Fig. 7 — Evaporator Cover Screws Fig 6 — Sliding Chassis Out of Casing Fig 8 — Control Box Screws 6 Evaporator Cover — Remove evaporator by removing 5 sciews as shown in Fig 7 7 Control Box — Conti ol Box is secured with 2 sci...

Page 8 - Fig 9 ~ Sensing Bulb and Service Cord Screws; Fig. 11 — Control Locations; Thermostat; Fig. 12 — Run Capacitor; Fan Motor

Fig 9 ~ Sensing Bulb and Service Cord Screws TIMER REMOVAL SCREWS (2) TIMER COOL-HEAT FAN CONTROL AND CYCLE SCREWS (2) SWITCH Fig. 11 — Control Locations 12 Fig. 10 — Removing Knobs b Caieiully pull wires iiom teiminals of fan cycle switch Label oi mark wires to aid in proper wire lepla cement c Rev...

Page 9 - Condenser Fan; Fig. 14 — Blower Set Screw and; Evaporator Blower

Remove fan motot leads irorn wiie ties Identify wires foi coirect reassembly Remove fan motoi ground wiie fiom partition assembly by lemoving one sciewRemove 3 screws fastening fan motoi to partition assembly See Fig 13 Pull fan motor carelully towaid condenser coil and remove A CAUTION Be careful t...

Page 10 - Fig, 16 — Condenser CoM/Partition Assembly; Compressor; Fig 18 — Partition Assembly Removal Screws; WARNING

COMPRESSOR PARTITION ASSEMBLY REMOVAL SCREW CONDENSER ORIFICE REMOVAL ÍSCREWS (4) CONDENSER COIL REMQV SCREWS (2) ' condenser COIL Fig, 16 — Condenser CoM/Partition Assembly Screws PARTITION ASSEMBLY REMOVAL SCREWS [3Ì Fig. 17 — Partition Assembly Screws e Remove screw on compressor side which holds...

Page 12 - Fig 24 — Evaporator and Condenser Coiis

19 Vent and Exhaust Lever — See Vent and Exhaust Level in Fig 20 a Remove exhaust dooi as desci ibed under Exhaust Door b Rotate levei upward while pushing lever out oi mounting slot c Reveise above procedure for leassembly 20 Evaporator and Condenser Coils — See Evaporatoi and Condenser Coils in Fi...

Page 13 - REMOVE GRILLE INSERT

DISASSEMBLY INFORMATION Models 304's, 404's Casings Models 51 C,G — The Model 51C Room Air Condi tions is referred to as the 304 size casing International Series unit The Model 51G Room Air Conditioner is referred to as the 404 size International Series unit Both are alike in construction and conta...

Page 15 - Fig. 29 — Sliding Chassis Out of Casing

SENSING BULB .'•‘•««»A Fig. 29 — Sliding Chassis Out of Casing EXHAUST DOOR FRAME CLICKER BAR Fig. 31 — Vent Door/Wire Hood c Slide chassis out of casing See Fig 29d Reverse above proceduie to reinstall chassis in casing, being suie to retain security lock screw to lock position and tighten 34 Exhau...

Page 17 - Fig 34 — Vent and Exhaust Linkage; Fig. 35 — Electric Heater Assembly

c Cut interconnecting tubing and lemove 2 screws securing condenser coil Remove condenser orifice mounting screws (4) d Remove condenser coil e Reverse procedure for reassembly 43 Strainer — Strainer is installed in the interconnect ing tubing between the condenser and the capillary tube To change ...