Carrier 50EW Air Conditioner User Manual


 
START-UP CHECKLIST
MODEL NO.:
SOFTWARE VERSION (SEE FIG. 15)
DATE:
SERIAL NO.:
TECHNICIAN:
PRE-START-UP:
VERIFY THAT DIP SWITCH SETTINGS ARE CORRECT
VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT
REMOVE ALL SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTRUCTIONS
VERIFY INSTALLATION OF ECONOMIZER HOOD
VERIFY INSTALLATION OF ALL OPTIONS AND ACCESSORIES
VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS
VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
CHECK THAT INDOOR-AIR FILTER IS CLEAN AND IN PLACE
VERIFY THAT UNIT IS LEVEL WITHIN TOLERANCES
CHECK FAN WHEELS AND PROPELLERS FOR LOCATION IN HOUSING/ORIFICE, AND VERIFY SET SCREW
IS TIGHT
VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
VERIFY THAT SUCTION, DISCHARGE, AND LIQUID LINE SERVICE VALVES ON EACH CIRCUIT ARE OPEN
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 (CV) EXHAUST FAN AMPS
(VAV) *
*VAV fan supply amps reading must be taken with a true RMS meter for accurate readings.
ELECTRIC HEAT AMPS (IF SO EQUIPPED) L1 L2 L3
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 CHARTS ON PAGE 45
CL-1