Weil-McLain GOLD CGt Manual page 27

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GOLD CGt Gas-Fired Water Boiler — Boiler Manual

Water piping — refrigeration systems

Prevent chilled water from entering boiler

Install boiler so that chilled medium is piped in parallel with the heating boiler. Use appropriate

valves to prevent chilled medium from entering boiler. See

of balancing valve and check valve.

If boiler is connected to heating coils located in air handling units where they can be exposed

to refrigerated air, use flow control valves or other automatic means to prevent gravity circula-

tion during cooling cycle.

Figure 23 Piping refrigeration systems

Part Number 550-110-290/0107

Figure 23

for typical installation

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