Table 19 Unit Connections, Water/Glycol-Cooled Models - Emerson Liebert CRV User Manual

Table 19 Unit connections, water/glycol-cooled models
Unit Connections
CS Water/Glycol Coolant Supply
CR Water/Glycol Coolant Return
GD Gravity Coil Pan Drain
GDH Gravity Humidifier Drain
HS Humidifier Supply
CP Condensate Pump
HVT High Voltage Top Connection
High Voltage Bottom Entrance
HVB
(feed through the base of the unit)
LVT Low Voltage Top Connection
Low Voltage Bottom Entrance
LVB
(feed through the base of the unit)
Low Voltage Bottom Entrance
LVB2
(feed through the base of the unit)
Source: DPN001793, Rev. 2
® ™
Liebert CRV
CR20W (50Hz) CR35W (50Hz)
32mm GAS F
32mm GAS F
20mm I.D.
22mm I.D.
1/2" GAS F (top connection)
3/4" GAS F (bottom connection)
1/2" GAS F
Combination Knockout Hole
Diameter 1-3/8" (35mm)
1-3/4" (44.5mm) and 2-1/2" (63.5mm)
Hole Diameter 2-1/2" (63.5mm)
Hole Diameter
7/8" (22mm) 2 places
Hole Diameter 1-7/64" (28mm)
2 places
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34
Water Connections
CR20W (60Hz) CR35W (60Hz)
1-1/4" FPT
1-1/4" FPT
1" MPT
N/A
1/2" FPT (top connection)
1/4" Compression Fitting
(bottom connection)
1/2" FPT
Combination Knockout Hole
Diameter 1-3/8" (35mm)
1-3/4" (44.5mm) and 2-1/2" (63.5mm)
Knockout Hole Diameter 2-1/2" (63.5mm)
Knockout Hole Diameter
7/8" (22mm) 2 places
Knockout Hole Diameter
1-3/32" (27.8mm) 2 places
Knockout Hole Diameter
1-3/4" (44.5mm) 1 place