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4 chilled water connections: chilled water units, Figure 20 chilled water connections, Figure 21 chilled water circuit – 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 39: Chilled water connections: chilled water units, Liebert crv

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Water Connections

31

Liebert

®

CRV

7.4

Chilled Water Connections: Chilled Water Units

Figure 20 Chilled water connections

Refer to Figure 21 when performing these installation steps:

• Use copper tubing or steel pipe.
• Place the tubing on supporting saddles.
• Insulate both tubes
• Install shutoff ball valves on the inlet and outlet pipes to ease maintenance.
• Install optional thermostats and pressure gauges on the inlet and outlet pipes.
• Install a water drain tap at the lowest point in the circuit.
• Fill the circuit with water or glycol.

Figure 21 Chilled water circuit

Top Connections

Bottom Rear Connections

Tubing Support

Water Drain Tap

Ball
Valves

Thermostat

Pressure
Gauge

Insulation

Liebert CRV