Bryant 551A operation manual Electrical, Temperatures, General

	START-UP CHECKLIST
MODEL NO.:	SERIAL NO.:
DATE:	TECHNICIAN:

I. PRE-START-UP:

VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT

VERIFY INSTALLATION OF INDOOR FAN MOTOR ADJUSTMENT BOLT (155 UNITS) OR ADJUSTMENT BOLT AND PLATE (180, 240 UNITS)

VERIFY INSTALLATION OF OUTDOOR AIR HOOD

VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT CHECK THAT FILTERS AND SCREENS ARE CLEAN AND IN PLACE

VERIFY THAT UNIT IS LEVEL

CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE, AND VERIFY SETSCREW IS TIGHT

VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED

￿VERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRECT DIRECTION VERIFY THAT CRANKCASE HEATER HAS BEEN ENERGIZED FOR 24 HOURS

II. START-UP:

ELECTRICAL

SUPPLY VOLTAGE				L1-L2		L2-L3	L3-L1
COMPRESSOR AMPS — COMPRESSOR NO. 1				L1		L2	L3
	— COMPRESSOR NO. 2			L1		L2	L3
SUPPLY FAN AMPS		EXHAUST FAN AMPS
ELECTRIC HEAT AMPS (IF SO EQUIPPED)				L1		L2	L31
TEMPERATURES
OUTDOOR-AIR TEMPERATURE			F DB (Dry-Bulb)
RETURN-AIR TEMPERATURE			F DB		F WB (Wet-Bulb)
COOLING SUPPLY AIR			F

ELECTRIC HEAT SUPPLY AIR (IF SO EQUIPPED)			F
PRESSURES￿
REFRIGERANT SUCTION	CIRCUIT NO. 1	PSIG	CIRCUIT NO. 2	PSIG
REFRIGERANT DISCHARGE CIRCUIT NO. 1		PSIG	CIRCUIT NO. 2	PSIG

VERIFY REFRIGERANT CHARGE USING CHARGING CHART ON PAGE 29.

GENERAL

￿ECONOMI$ER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS VERIFY INSTALLATION OF ALL OPTIONS AND ACCESSORIES

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Copyright 2001 Bryant Heating & Cooling Systems CL-1 CATALOG NO. 5355-105