Vertiv Liebert CRV - Chilled-Water Loop Piping

6.3.2 Chilled-water Loop Piping
For the top connection locations the, refer to the appropriate submittal documents included in the
Submittal Drawings on page156. Figure 6.6 below shows the bottom connection locations for the chilled-
water units. Figure 6.7 on the facing page diagrams the chilled-water circuit.
• Use copper tubing or steel pipe.
NOTE: A dielectric fitting is required when using steel pipe.
• Place the tubing on supporting saddles.
• Insulate both tubes.
• Install shut-off 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.
• Locate air vents at tops of all risers and any intermediate system high points.
Figure 6.6 Bottom connections on chilled water units
ITEM DESCRIPTION
1 600mm (24 in.) unit
2 300mm (12in.) unit
3 Chilled-water connections
Vertiv | Liebert CRV Installer/User Guide | 56