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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
Outdoor-AirThermostat Adjustment
CONTENTS
Compressor Capacity Control Unloaders
Installation, Start-Up and Service Instructions
INSTALLATION
SAFETY CONSIDERATIONS
UNIT
DIMENSIONS ft-in
48MA
016-030
UNIT
DIMENSIONS ft-in
50ME
016-030
Fig. 3 Ð Roof Curb Detail
Removing Shipping Shields Fig
OPERATING WEIGHT lb
Table 1 Ð Physical Data
Unloader Settings psig
Maximum Allowable Inlet Temperature F
UNIT
DIMENSIONS ft-in
48MA
016-030
UNIT
DIMENSIONS ft-in
50ME
016-030
Fig. 6 Ð Shipping Shield Locations
016-030Units Shown
Fig. 7 Ð Field-FabricatedZone Duct Plenum Detail
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
Compressor Capacity Control Unloaders
Head Pressure Control
Fig. 36 Ð Compressor Capacity Control Unloader
Condenser Fans
Fig. 38 Ð Condenser-FanAdjustment
Evaporator Fans and Motor
Fig. 37 Ð Motormaster Thermistor
Forced-DraftBlower 48MA
Optional Economizer Ð See Fig
Fig. 39 Ð Forced-DraftBlower Shutter Position
3Ð Washer 4Ð Rivet 5Ð Speed Nut 7¤16 in
LEGEND 1Ð Bearing Liner 2Ð Speed Nut 5¤16 in
6Ð Speed Nut 1¤4 in 7Ð Damper Lever
8Ð Linkage Bar 9Ð Linkage Rod 15 in
Page
Page
PACKAGED SERVICE TRAINING
Page
PRE-START-UP
TEMPERATURES
ELECTRICAL
PRESSURES
