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CL-5
UNIT START-UP CHECKLIST
MODEL NO.: _________________________________
SERIAL NO.: ______________________________________
SOFTWARE VERSION _________________________
TECHNICIAN: ____________________________________
DATE: _______________________________________
PRE-START-UP:
VERIFY THAT DIP SWITCH SETTINGS ARE CORRECT
VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT
REMOVE ALL COMPRESSOR SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTRUCTIONS
VERIFY INSTALLATION OF ECONOMIZER HOOD
VERIFY INSTALLATION OF ALL OPTIONS AND ACCESSORIES
VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
CHECK GAS PIPING FOR LEAKS (48A ONLY)
CHECK THAT RETURN-AIR FILTER AND OUTDOOR-AIR FILTERS ARE CLEAN AND IN PLACE
VERIFY THAT UNIT IS LEVEL WITHIN TOLERANCES FOR PROPER CONDENSATE DRAINAGE
CHECK FAN WHEELS AND PROPELLERS FOR LOCATION IN HOUSING/ORIFICE, AND SETSCREW IS TIGHT
VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
VERIFY THAT SUCTION, DISCHARGE, AND LIQUID SERVICE VALVES ON EACH CIRCUIT ARE OPEN
VERIFY THAT CRANKCASE HEATERS HAVE BEEN ON 24 HOURS BEFORE START-UP.
START-UP:
ELECTRICAL
SUPPLY VOLTAGE
L1-L2
__________
L2-L3
__________
L3-L1
__________
COMPRESSOR AMPS — COMPRESSOR NO. 1 L1
__________
L2
__________
L3 _________
COMPRESSOR AMPS — COMPRESSOR NO. 2 L1
__________
L2
__________
L3 _________
SUPPLY FANS AMPS
(CV)
________
EXHAUST FAN AMPS __________
(VAV)
________ *
*VAV fan supply amps reading must be taken with a true RMS meter for accurate readings.
TEMPERATURES
OUTDOOR-AIR TEMPERATURE
__________ F DB (Dry Bulb)
RETURN-AIR TEMPERATURE
__________ F DB __________ F WB (Wet Bulb)
COOLING SUPPLY AIR
__________ F
GAS HEAT SUPPLY AIR
__________ F (48A ONLY)
ELECTRIC HEAT SUPPLY AIR
__________ F (50A ONLY, IF EQUIPPED)
PRESSURES
GAS INLET PRESSURE
__________
IN. WG (48A ONLY)
GAS MANIFOLD PRESSURE
STAGE NO. 1 __________ IN. WG
STAGE NO. 2 __________IN. WG (48A ONLY)
REFRIGERANT SUCTION
CIRCUIT NO. 1 __________ PSIG
CIRCUIT NO. 2__________ PSIG
REFRIGERANT DISCHARGE
CIRCUIT NO. 2 __________ PSIG
CIRCUIT NO. 2__________ PSIG
______________________ VERIFY REFRIGERANT CHARGE.
Summary of Contents for WEATHERMAKER 48AJ020
Page 95: ...95 Fig 13 Typical Main Control Box Wiring Schematic A48 7787 ...
Page 96: ...96 TO NEXT PAGE Fig 14 Auxiliary Control Box Wiring Schematic A48 7294 ...
Page 98: ...98 Fig 15 Typical 2 Stage Gas Heat Wiring Schematic Size 051 and 060 Units Shown A48 6866 ...
Page 102: ...102 TO NEXT PAGE Fig 18 Typical Power Schematic Size 051 and 060 Units Shown A48 7298 ...
Page 104: ...104 Fig 19 Controls Option Wiring Schematic A48 7810 ...
Page 105: ...105 Fig 20 Small Chassis Component Location Size 020 035 Units A48 7301 ...
Page 106: ...106 Fig 21 Large Chassis Component Locations Size 036 060 Units A48 7302 ...