Part number 550-141-825/1211
22
GOLD
WTGO
OIL-FIRED NATURAL DRAFT WATER BOILER — SERIES 3 — Boiler Manual
SERVICE TECHNICIAN ONLY — read and follow completely.
Use with refrigeration systems
• Install boiler so that chilled medium is piped in
parallel with heating boiler. Use appropriate valves
to prevent chilled medium from entering boiler.
Consult I=B=R Installation and Piping Guides.
• 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 circulation
during cooling cycle.
Figure 15 Use with refrigeration system
Connect water piping (continued)
Supply
Circ.
Circ.
Chiller
Strainer
Exp. tank
Exp. tank
1
1
1
1
2
1 Isolation valves 2 Balancing valve
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