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• Use a 63.5 mm (2.50 in.) or larger supply pipe to provide the correct flow to four 19 mm (0.75 in.) supply
hoses, with a 120 kW CDU.
• Use an 88.9 mm (3.50 in.) or larger supply pipe to provide the correct flow to nine 19 mm (0.75 in.) supply
hoses, with a 300 kW CDU.
To stop the flow of water in individual legs of multiple circuit loops, install shutoff valves for each supply and
return line. This provides a way to service or replace an individual heat exchanger without affecting the
operation of other heat exchangers in the loop.
To ensure that water specifications are being met and that the optimum heat removal is taking place, use
temperature and flow metering (monitoring) in secondary loops.
Anchor or restrain all manifolds and pipes to provide the required support and to avoid movement when
quick-connect couplings are being attached to the manifolds.
Figure 24 "The following figure" on page 25
Figure 24. Typical central manifold (at a central location for multiple water circuits)
Figure 25 "The following figure" on page 26
shows another layout for multiple water circuits.
shows an extended manifold layout.
Chapter 2
.
Set up Rear Door Heat eXchanger V2
25
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