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