REV : 5
REV DATE : 12/16
DPN001793
Page :1 /1
CR020R & CR035R WATER/GLYCOL MODELS
Form No.: DPN001040_REV4
PRIMARY CONNECTION LOCATIONS
LIEBERT CRV
HVT
LVT
HS
CP
CR
CS
CS
LVB
GD or CP
TOP CONNECTIONS
GDH or HS
46 1/4"
1175mm
5"
127mm
1 3/4"
45mm
2 11/16"
69mm
9 1/2"
242mm
3 1/4"
83mm
23 5/8"
600mm
3 1/4"
83mm
17 5/16"
440mm
3 1/16"
77mm
9 5/16"
237mm
2 11/16"
69mm
2 15/16"
74mm
2 11/16"
69mm
3 3/4"
94mm
8 7/8"
226mm
9 3/4"
248mm
1 1/8"
28mm
1 3/4"
44mm
5 1/8"
130mm
2 3/16"
56mm
77
( 3 1/16")
3 7/8"
98mm
HVB
CR
REAR
CUTAWAY
DETAIL A
REAR
BOTTOM CONNECTIONS
(possible with raised floor)
2 3/16"
56mm
2 1/8"
54mm
5 7/16"
138mm
3 7/8"
98mm
PIPING AND ELECTRICAL CONNECTIONS
AVAILABLE AT THE TOP AND BOTTOM OF
UNIT.
LVB2
2 1/8"
55mm
5 3/8"
136mm
CR20W (50Hz) CR35W (50Hz) CR20W (60Hz) CR35W (60Hz)
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
HVB
High Voltage Bottom Entrance
(feed through the base of the unit)
LVT Low Voltage Top Connection
LVB
Low Voltage Bottom Entrance
(feed through the base of the unit)
LVB2
Low Voltage Bottom Entrance
(feed through the base of the unit)
Knockout Hole Diameter 44.5mm (1-3/4") 1 place----
1/2" GAS F 1/2" FPT
Combination Knockout Hole Diameter 35mm (1-3/8"), 44.5mm (1-3/4")
and 63.5mm (2-1/2")
Combination Knockout Hole Diameter 35mm (1-3/8"), 44.5mm (1-
3/4") and 63.5mm (2-1/2")
32mm GAS F
32mm GAS F
20mm I.D. 1" MPT
22mm I.D. N/A
1/2" GAS F (top connection),
3/4" GAS F (bottom connection)
1/2" FPT (top connection),
1/4" Compression Fitting (bottom connection)
1-1/4" FPT
1-1/4" FPT
Knockout Hole Diameter 27.8mm (1-3/32") 2 places
Hole Diameter 22mm (7/8") 2 places
Knockout Hole Diameter 22mm (7/8") 4 places
Hole Diameter 28mm (1-7/64") 2 places
Hole Diameter 63.5mm (2-1/2") Knockout Hole Diameter 63.5mm (2-1/2")
LVT
4 13/16"
122mm
1 1/2"
38mm
1 3/4"
45mm
Install a 20 mesh strainer, in an easily accessible location, on the Water/Glycol Supply
to prevent particles from entering the heat exchanger. Strainer bypass valves are
recommended to allow the strainer to be cleaned while maintaining flow to the cooling unit.
4 1/8"
105mm
6 1/8"
155mm
12 3/4"
324mm
A