Table 20 unit connections, chilled water models, Figure 25 recommended drycooler installation, Table 20 – Emerson Liebert CRV 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 C R 0 2 0 R A 1 C 7 S D 1 8 1 1 E L 1 0 P A User Manual
Page 44: Unit connections, chilled water models

Water Connections
Liebert
®
CRV
™
36
Figure 25 Recommended drycooler Installation
Table 20
Unit connections, chilled water models
Unit Connections
CR040C (50 Hz)
CR040C (60 Hz)
CWS
Chilled Water Supply
32mm GAS F
1-1/4" FPT
CWR
Chilled Water Return
32mm GAS F
1-1/4" FPT
GD
Gravity Coil Pan Drain
20mm I.D.
1" MPT
GDH
Gravity Humidifier Drain
22mm I.D.
N/A
HS
Humidifier Supply
1/2" GAS F (top connection)
3/4" GAS F (bottom connection)
1/2" FPT (top connection)
1/4" Compression Fitting
(bottom connection)
CP
Condensate Pump
1/2" GAS F
1/2" FPT
HVT
High Voltage Top Connection
Combination Knockout Hole
Diameter 1-3/8" (35mm)
1-3/4" (44.5mm) and 2-1/2" (63.5mm)
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)
Hole Diameter
2-1/2" (63.5mm)
Knockout Hole Diameter
2-1/2" (63.5mm)
LVT
Low Voltage Top Connection
Hole Diameter
7/8" (22mm) 2 places
Knockout Hole Diameter
7/8" (22mm) 4 Places
LVB
Low Voltage Bottom Entrance
(feed through the base of the unit)
Hole Diameter
1-7/64" (28mm) 2 places
Knockout Hole Diameter
1-3/32" (27.8mm) 2 Places
LVB2
Low Voltage Bottom Entrance
(feed through the base of the unit)
—
Combination Knockout Hole
Diameter 1-3/4" (44.5mm) 1 Place
Source: DPN001794, Rev. 2
APPLIANCE
TS
HTC
Filling
Water
(optional)
HTC
TS
Shutoff Valve
Pump
Check Valve
Gauge
Thermostat
Variex (50Hz Opt.)
Safety Valve
Expansion Tank
Air Separator
Charge Group (Filter,
Reducer, Check Valve)
Filling Meter
Drain (at Lowest Point)
(*)
Standby Pump
Standby Pump
Pre
ss
ure
-O
pe
ra
te
d B
yp
as
s
See hydraulic drawings in the Appendix D
Disconnect
After Charge