McQuay MicroTech II - Figure 31. Configuration 2: Constant-Speed Lead;Standby Pump Set; Figure 32. Configuration 3: Constant-Speed Sequenced Pumps; Figure 33. Configuration 4: Variable-Speed Single Pump

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Figure 31. Configuration 2: Constant-Speed Lead/Standby Pump Set
DPT
Differential pressure transducer
P1
Cooling Loads
Optional pressure-controlled loop bypass
P2
ChWR ChWS
a0153
Figure 32. Configuration 3: Constant-Speed Sequenced Pumps
DPT
Differential pressure transducer
P1
Cooling Loads
Optional pressure-controlled loop bypass
P2P3P4P5P6
ChWR ChWS
a0154
Figure 33. Configuration 4: Variable-Speed Single Pump
DPT
Differential pressure transducer
P1
Cooling Loads
VFD
Variable frequency drive
ChWR ChWS
a0155