Contents
Safety Considerations
Contents
48SS018-042 Without Base Rail, Unit Dimensions
48SS018-042 With Optional Base Rail, Unit Dimensions
48SS048,060 Without Base Rail, Unit Dimensions
48SS048,060 With Optional Base Rail, Unit Dimensions
48SX024-036 Without Base Rail, Unit Dimensions
48SX024-036 With Optional Base Rail, Unit Dimensions
48SX042-060 Without Base Rail, Unit Dimensions
48SX042-060 With Optional Base Rail, Unit Dimensions
Rig and Place Unit
Receiving and Installation
Check Equipment
Provide Unit Support
Curb
Part Number
Weight
Unit MAX
Unit
Condensate Trap
Connect Condensate Drain
Unit Size 48SS
Physical Data Ð Unit 48SS
Unit Size 48SX
Physical Data Ð Unit 48SX
Sediment Trap
Supply and Return Duct Openings
Maximum Gas Flow Capacity
Vertical Discharge Cover Removed
Install Electrical Connections
Ð Electrical Data Ð Unit 48SS
FLA MCA
Ð Electrical Data Ð Unit 48SX
Range Motor
RLA LRA
High- and Control-Voltage Connections
Easy Select Interface Board
PRE-START-UP
START-UP
Start Up Heating Section and Make Adjustments
Orifices
Rated Gas Inputs at Indicated Manifold Pressures
GAS Supply Pressure Manifold Natural GAS Propane Number
Pressure Unit 48SS,SX
Monoport Burners
Heating Temperature Rise F Input
Start Up Cooling Section and Make Adjustments
Error Code LED Indication
LED Indications
208/230-1-60 Wiring Diagram, Units 48SS018-060
208/230-3-60 Wiring Diagram, Units 48SS030-060
460-3-60 Wiring Diagram, Units 48SS036-060
208/230-1-60 Wiring Diagram, Units 48SX024-042
208/230-1-60 Wiring Diagram, Units 48SX048,060
208/230-3-60 Wiring Diagram, Units 48SX036-042
208/230-3-60 Wiring Diagram, Units 48SX048,060
460-3-60 Wiring Diagram, Units 48SX036-048
Checking and Adjusting Refrigerant Charge
Ð Superheat Charging Table, 48SS024
Ð Superheat Charging Table, 48SS018
Ð Superheat Charging Table, 48SS030
Ð Superheat Charging Table, 48SS036
Ð Superheat Charging Table, 48SS042
Ð Superheat Charging Table, 48SS060
Ð Superheat Charging Table, 48SX024
Ð Superheat Charging Table, 48SX030
Ð Superheat Charging Table, 48SX036
Ð Superheat Charging Table, 48SX042
Ð Superheat Charging Table, 48SX048
Ð Superheat Charging Table, 48SX060
Unit Motor AIR
Required Suction-Tube Temperature F
Superheat
Temp F
External Static Pressure in. wg 48SX
FAN only Cfm Cooling Cfm
Unit 48SX
Maintenance
Wet Coil Pressure Drop
Unit Size Airflow Pressure Drop
Air Filter
Unit Top Removal
Evaporator Blower and Motor
Burner Access Panel
Condenser Fan
Condenser Coil, Evaporator Coil, and Conden
Cooling
Troubleshooting
Burners will not ignite
Heating
LED Troubleshooting Ð Error Code
Service Training
Page
Remove and Store in Job File
Preliminary Information
III. START-UP