Contents
Safety Considerations
Contents
Unit
Dimensions Units 50SS018-042 with Optional Base Rail
Dimensions Units 50SS048,060 Without Base Rail
Dimensions Units 50SS048,060 With Optional Base Rail
Dimensions Units 50SX024-036 Without Base Rail
Dimensions Units 50SX024-036 With Optional Base Rail
Dimensions Units 50SX042-060 Without Base Rail
Cond Ð
Characteristics
Matl
Unit Electrical Unit WT
Dimensions Units 50SX042-060 With Optional Base Rail
Corner WT Lb/Kg 50SX
Part Number
``A
Curb
Receiving and Installation
Check Equipment
Provide Unit Support
Suggested Rigging for Units Without Base Rail
Physical Data Ð Unit 50SX
Physical Data Ð Unit 50SS
Size
Area Not To Be Drilled
Evaporator Coil Access Panel
Indoor Blower Access Panel
Field-Fabricated Duct Cover
Filler Bracket and Blower Shelf
Provide for Condensate Disposal
Condensate Trap
Install Electrical Connections
Ð Electrical Data Ð 50SS Units
Ð Electrical Data Ð 50SX Units
Typical Duct Panel Knockouts
CTD
ICM
IFO
Tran
PRE-START-UP
START-UP
Start-Up Cooling Section and Make Adjustments
Ð Superheat Charging Table, 50SS024
Ð Superheat Charging Table, 50SS018
Temp F Evap AIR Ð CFM
AIR ENT
Ð Superheat Charging Table, 50SS036
Ð Superheat Charging Table, 50SS030
Ð Superheat Charging Table, 50SS042
1000
1600
Ð Superheat Charging Table, 50SX024
Ð Superheat Charging Table, 50SX030
1995
Ð Superheat Charging Table, 50SX042
Ð Superheat Charging Table, 50SX036
Ð Superheat Charging Table, 50SX048
1200
Ð Superheat Charging Table, 50SX060
Required Suction-Tube Temperature F
Superheat
Temp F
Mode FAN Cooling Heating
Terminal
Option Description
Sequence of Operation Ð STD NON-ICM Units
Size Speed
Unit Motor 460 V Horizontal Discharge
Unit Motor AIR 460 Volt Horizontal Discharge
Speed Delivery
Unit Motor AIR 460 Volt Vertical Discharge Size
048²
Unit 50SX FAN only Cooling
Accessory Electric Heater Pressure Drop in. wg
Wet Coil Pressure Drop
Filter Pressure Drop in. wg
Air Filter
Maintenance
Unit Top Removal
Evaporator Blower and Motor
Condenser Fan
Condenser Coil, Evaporator Coil, and Conden
Symptom Cause Remedy
Troubleshooting Cooling Chart
Troubleshooting Cooling Chart
Page
Page
Packaged Service Training
Page
Remove and Store in Job File
Preliminary Information
III. START-UP