Carrier 50QT Manuel d'utilisateur

Carrier Corporation • Syracuse N Y 13221Single-Package Heat PumpsChassis Only (Install ONLY after 50OT wall sleeve is in place)CONTENTSPageSAFETY CONS

6. Disconnect compressor wiring at compressor terminal box.7. Using a tubing cutter, cut suction and discharge lines at convenient pla

wrecharge. If necessary, refer to Carrier Standard Service Techniques Manual, Chapter 1, Refrigerants, page 1-21, for oil recharging

6. Make sure condensate pan drain is not clogged with debris.7. Reinstall chassis in sleeve.8. Restore power to unit.Indoor Coil and Condens

#TROUBLESHOOTING CHART — COOLING CYCLE

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Table 1 — Electrical Data (&©^ztMODEL50QTV/PHOPERVOLTAGE^COMPRIFM OFMELECTRICHEATERAMPSBRANCH CIRCUIT #1 (or Total Unit)tBRANCH CIRCUIT #2(When Us

Step 2 — Install Chassis in Wall Sleeve —Remove sleeve filler panel and save screws. Install outdoor grille using these screws. Remove in

ACCURATERLOCATIONMAIN CONTROL BOX COVERELECTRIC HEATER CONTROL BOX COVERMATINGSOCKETLOCATIONINDOOR NAMEPLATE LOCATIONCHASSIS MOUNTING BOLTS (6 TOTAL)T

#When an internal overload is suspected of being open, check by using an ohmmeter or continuity tester. If necessary, refer to Carr

3 Unit PipingtFig. 4 — 50QT Refrigerant Flow Diagrams70 72 74 76 78 80 82 84 86 88 90 92SUCTION PRESSURE (PSIG)Fig. 5 — 50QT112 Cooling Cycle

35034033032031030029028027026025024023022021020019036064 66 68 70 72 74 76 78 80 82 84 86SUCTION PRESSURE (PSIG)Fig. 7 — 50QT115 Cooling Cy

70 72 74 76 78 80 82 84 86 88 90 92SUCTION PRESSURE (PSIG)Fig. 11 — 50QT124 Cooling Cycle Charging Chart10 20 30 40 50 60SUCTION PRESS

#AccuRater™ Device (Dual-Piston Type) Servicing — See Fig. 15 for dual-piston AccuRater components. The pistons have a refrigerant met