Carrier 48MA/50ME016-040 用户手册
START-UP CHECKLIST
MODEL NO.:
DATE:
SERIAL NO.:
TECHNICIAN:
PRE-START-UP:
M VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT
M REMOVE ALL SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTRUCTIONS
M VERIFY INSTALLATION OF ECONOMIZER HOOD
M VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS
M VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
M CHECK GAS PIPING FOR LEAKS (48MA)
M CHECK THAT INDOOR-AIR FILTER IS CLEAN AND IN PLACE
M VERIFY THAT UNIT IS LEVEL
M CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE, AND VERIFY SET SCREW
M REMOVE ALL SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTRUCTIONS
M VERIFY INSTALLATION OF ECONOMIZER HOOD
M VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS
M VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
M CHECK GAS PIPING FOR LEAKS (48MA)
M CHECK THAT INDOOR-AIR FILTER IS CLEAN AND IN PLACE
M VERIFY THAT UNIT IS LEVEL
M CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE, AND VERIFY SET SCREW
IS TIGHT
M VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
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 (50ME, IF APPLICABLE)
L1
L2
L3
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 (48MA)
F
ELECTRIC HEAT SUPPLY AIR (50ME, IF APPLICABLE)
F
PRESSURES
GAS INLET PRESSURE (48MA)
IN. WG
GAS MANIFOLD PRESSURE (48MA)
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
M VERIFY REFRIGERANT CHARGE
GENERAL
M ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS
----------------------------------------------------------------------------------------
CUT
ALONG
DOTTED
LINE
Copyright 1996 Carrier Corporation
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1
1
Tab
1c 1d
PC 111
Catalog No. 564-840
Printed in U.S.A.
Form 48MA/50ME-3SI
Pg CL-1
4-96
Replaces: 48MA/50ME-1SI