IBM Rear Door Heat eXchanger V2 Installation And Maintenance Manual page 27

Figure 6 shows an example of a facilities fabricated solution. The actual number of
heat exchangers that are connected to a secondary loop depends on the capacity
of the coolant distribution unit that is running the secondary loop.
Secondary side
temperature feedback
for controlled water
temperature to
specification
Flow
control
Loop heat
s
valve T
exchanger
Supply
Building
chilled
water
Shutoff
valves
Figure 6. Coolant distribution unit that uses a fabricated facilities solution
Chapter 2. Heat exchanger planning, specifications, and requirements
Pressure relief
valve (based on
maximum
Optional low
pressure
impedance
application)
quick-connect
coupling
Flowmeter
Expansion
tank
CS
FM
Redundant
CS
pumps
Return
Distribution
manifolds
CS
Supply
Circuit setter
flow control
valves
CS
Return
Rear door
heat exchangers
CS
CS
CS
Flexible hoses,
maximum length
15.24 meters (50 feet)
Quick-connect
couplings
17