Chapter hvac engineering Fundamentals: Part 1 Introduction

Design Procedures: Part 5
205
Chiller
Chiller
Header
Isolation
Valve
Flow
Control
Check Valve
Chiller Pumps
CHWR
CHWS
•
•
Figure 7.8
Multiple pumps and chillers with common header.
pumps yields the signal to add or remove chillers from service. Note
that a one-to-one relationship between pump and chiller means that
failure of either element makes the combination unusable.
The reliability of these systems can be increased by using an addi-
tional header between the pumps and the chillers (Figs. 7.7 and 7.8).
This allows any combination of pumps and chillers to be used. With
Design Procedures: Part 5
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