Piping and Filling with Refrigerant: R-134a and R-407c Circuits
26

Figure 26 Liebert XDC piping schematic and Lee-Temp heater pad wiring

Lee-temp Winter System
DPN000937
Pg. 3, Rev. 6
Rotalock Valve Combination
Head Pressure Control
& Check Valve
Condenser
Control Box
Inverted Trap
(By Others)
Pressure Relief Valve
Liquid Level
Indicator
Dehydrator Solenoid Valve Expansion Valve
Sight
Glass
Discharge Line
Compressor
Hot Gas Bypass
Solenoid Valve
Hand Shutoff
Valve By Others
Factory Piping
Field Piping
Optional Hot Gas Bypass
Suction Line
Service Valves
Hot Gas Bypass Valve
Sensing Bulb
External Equalizer
Liebert XDC Unit
(One Circuit Shown)
Air Cooled Condenser
Heater
Pads
Piping SchematicLee-Temp Heater Pad Wiring
Separate Continuous
Electical Source
By Others
Volts
Total Watts Per Receiver
Standard 300 Watt (2 Heater Pads)
Optional 450 Watt (3 Heater Pads)
1 Phase 50/60 Hz
Hi Limit Thermostat Typical
Circuit 1 & 2 Standard Model
With 2 Heater Pads Per Receiver
Circuit 1 & 2 Optional Model With 3 Heater Pads Per Receiver
L2
L1
GND
L2
L1
GND
115
200/208/230