TABLE OF CONTENTS
Page
Features/Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Options and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14,15
Typical Piping and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . 16,17
548F036-120
Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . .18
ARI Capacity Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19,20
Base Unit Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 21,22
Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 23,24
Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Typical Wiring Schematic . . . . . . . . . . . . . . . . . . . . . . . . . 65,66
549B036-120
Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . .67
ARI Capacity Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68,69
Base Unit Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 70,71
Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 72,73
Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Typical Wiring Schematic . . . . . . . . . . . . . . . . . . . . . . . . . 95,96
Guide Specifications — 548F and
542J150,180
Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . .101
ARI Capacity Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102,103
Base Unit Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . .
Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Typical Wiring Schematic . . . . . . . . . . . . . . . . . . . . . . .
Guide Specifications — 542J150,180 . . . . . . . . . . . . .
DURABLE, DEPENDABLE CONSTRUCTION — Designed for durability in any climate, the
In addition, all size
Patented
Dependable
EASY INSTALLATION AND CONVERSION
All Units are Shipped in the Vertical Duct Configuration for
All units feature a base rail design with forklift slots and rigging holes for easier maneuvering. Durable packaging protects all units during shipment and storage.
The units can be easily converted from a vertical to a horizontal duct configuration by relocating the panels supplied with the unit.
To Convert
To Convert 150,180 Units from vertical to horizontal discharge, use the optional horizontal supply/return adapter roof curb.
Convenient Duct Openings in the unit basepans permit side-
NOTE: On units using horizontal supply and return, the acces- sory barometric relief or power exhaust MUST be installed on the return ductwork.
The
Standard
All
Low Voltage Wiring Connections are easily made due to the large terminal board which is located for quick, convenient access.
In addition,
PROVEN COMPRESSOR RELIABILITY
Design techniques feature
All units have a
Standard Low Ambient Cooling Operation to 25 F
2