Carrier 50MP62L-10R User Manual

Page 62

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III. PRELIMINARY CHECKLIST ITEMS (cont)

CHANGES TO DEFAULT VALUES

Ⅺ RECORD ALL CHANGES MADE TO FACTORY DEFAULT VALUES

IV. START-UP

CHECK EVAPORATOR FAN SPEED AND RECORD.

CHECK CONDENSER FAN SPEED AND RECORD.

AFTER AT LEAST 10 MINUTES RUNNING TIME, RECORD THE FOLLOWING MEASUREMENTS:

COMP A1

COMP A2

COMP B1

COMP B2

OIL PRESSURE
SUCTION PRESSURE
SUCTION LINE TEMP
DISCHARGE PRESSURE
DISCHARGE LINE TEMP
ENTERING CONDENSER AIR TEMP
LEAVING CONDENSER AIR TEMP
EVAP ENTERING AIR DB TEMP
EVAP ENTERING AIR WB TEMP
EVAP LEAVING AIR DB TEMP
EVAP LEAVING AIR WB TEMP
COMPRESSOR AMPS (L1)
COMPRESSOR AMPS (L2)
COMPRESSOR AMPS (L3)

ELECTRICAL

SUPPLY FAN AMPS

EXHAUST FAN AMPS

ELECTRIC HEAT AMPS

L1

L2

L3

TEMPERATURES

OUTDOOR-AIR TEMPERATURE

F

DB (Dry-Bulb)

RETURN-AIR TEMPERATURE

F

DB

F

WB (Wet-Bulb)

COOLING SUPPLY AIR

F

PRESSURES

GAS INLET PRESSURE

IN. WG

GAS MANIFOLD PRESSURE

STAGE NO. 1

IN. WG

STAGE NO. 2

IN. WG

REFRIGERANT SUCTION

CIRCUIT NO. 1

PSIG

CIRCUIT NO. 2

PSIG

REFRIGERANT DISCHARGE

CIRCUIT NO. 1

PSIG

CIRCUIT NO. 2

PSIG

Ⅺ VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS ON PAGES 48 AND 49

GENERAL

Ⅺ ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS

CHECK THE COMPRESSOR OIL LEVEL SIGHT GLASSES; ARE THE SIGHT GLASSES SHOWING
OIL LEVEL PER INSTRUCTIONS ON PAGE 29.

(Y/N)

Ⅺ PERFORM CONTROL CONFIGURATION PROCEDURE ON PAGES CL-3 AND CL-4.

CL-2

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