Refrigerant Connections for Air-Cooled Units
Liebert
®
CRV
™
40
Table 16 Unit connection sizes, air-cooled models—600mm (24") models
Unit Connections CR20A (60Hz) CR35A (60Hz)
RL Refrigerant Liquid Line Inlet 1/2" O.D. Cu Sweat 5/8" O.D. Cu Sweat
RG Refrigerant Gas Line Outlet 5/8" O.D. Cu Sweat 7/8" O.D. Cu Sweat
GD Gravity Coil Pan Drain 1" MPT
GDH Gravity Humidifier Drain N/A
CP Condensate Pump 1/2" FPT
HS Humidifier Supply
1/2" FPT (top connection)
1/4" Compression Fitting (bottom connection)
HVT High Voltage Top Connection
Combination Knockout Hole
Diameter 1-3/8" (35mm)
1-3/4" (44.5mm) and 2-1/2" (63.5mm)
HVB
High Voltage Bottom Entrance
(feed through the base of the unit)
Knockout Hole Diameter 2-1/2" (63.5mm)
LVT Low Voltage Top Connection
Knockout Hole Diameter 7/8" (22mm)
2 places
LVB
Low Voltage Bottom Entrance
(feed through the base of the unit)
Knockout Hole Diameter 1-3/32" (27.8mm)
2 places
LVB2
Low Voltage Bottom Entrance
(feed through the base of the unit)
Knockout Hole Diameter 1-3/4" (44.5mm)
1 place
Source: DPN001792, Rev.2
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