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Carrier
48MA/50ME016-040 specifications
Models:
48MA/50ME016-040
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Install
Dimension
Field Control Wiring
Gas Heat Lighting Procedure 48MA
Adjustment Range cfm
Checklist
Ð Field Power Supply Details
SERVICE Cabinet Panels and Grilles
Remove burner access panel
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Contents
Installation, Start-Up and Service Instructions
CONTENTS
Outdoor-AirThermostat Adjustment
Compressor Capacity Control Unloaders
INSTALLATION
SAFETY CONSIDERATIONS
016-030
DIMENSIONS ft-in
UNIT
48MA
016-030
DIMENSIONS ft-in
UNIT
50ME
Fig. 3 Ð Roof Curb Detail
Removing Shipping Shields Fig
Maximum Allowable Inlet Temperature F
Table 1 Ð Physical Data
OPERATING WEIGHT lb
Unloader Settings psig
016-030
DIMENSIONS ft-in
UNIT
48MA
016-030
DIMENSIONS ft-in
UNIT
50ME
Fig. 7 Ð Field-FabricatedZone Duct Plenum Detail
Fig. 6 Ð Shipping Shield Locations
016-030Units Shown
Fig. 8 Ð Suggested Gas Piping 48MA
Fig. 9 Ð Field Power Supply Details
Table 2 Ð Unit 48MA Electrical Data
Table 4 Ð Electric Resistance Heater Data
Table 3 Ð Unit 50ME Electrical Data
Table 5 Ð Unit 50ME Electrical Application Data
Fig. 10 Ð Zone Control Board Component Location
Field Control Wiring
Page
Ð Control Relay
Page
LEGEND CÐ Contactor
LEGEND CÐ Contactor
LEGEND CÐ Contactor
Page
LEGEND CÐ Contactor
LEGEND CÐ Contactor
LEGEND CÐ Contactor
LEGEND CÐ Contactor
Page
LEGEND CÐ Contactor
Page
LEGEND CÐ Contactor
Page
Page
LEGEND CÐ Contactor
LEGEND CÐ Contactor
START-UP
Fig. 30 Ð Humidistat Connections
Gas Heat Lighting Procedure 48MA
4.Remove burner access panel
LEGEND COMPR Ð Compressor COND Ð Condensing
Fig. 33 Ð Spoiler Screw Location
UNITS WITH 2-ELEMENTHEATERS
Air¯ow Switches
SERVICE Cabinet Panels and Grilles
Fig. 36 Ð Compressor Capacity Control Unloader
Compressor Capacity Control Unloaders
Head Pressure Control
Fig. 37 Ð Motormaster Thermistor
Fig. 38 Ð Condenser-FanAdjustment
Condenser Fans
Evaporator Fans and Motor
Fig. 39 Ð Forced-DraftBlower Shutter Position
Forced-DraftBlower 48MA
Optional Economizer Ð See Fig
8Ð Linkage Bar 9Ð Linkage Rod 15 in
LEGEND 1Ð Bearing Liner 2Ð Speed Nut 5¤16 in
3Ð Washer 4Ð Rivet 5Ð Speed Nut 7¤16 in
6Ð Speed Nut 1¤4 in 7Ð Damper Lever
Page
Page
PACKAGED SERVICE TRAINING
Page
PRESSURES
TEMPERATURES
PRE-START-UP
ELECTRICAL
