A.O. Smith APW015DW Installation & Service Manual page 12

Indirect Plate Water Heater Installation & Service Manual
3
Hydronic piping
Figure 3-5 Water to Water Heat Exchanger Single Unit with Accumulator Tank
RELIEF VALVE
COLD WATER SUPPLY
EXPANSION
TANK
ACCUMULATOR
TANK
BOILER WATER
PUMP
OUT
BOILER WATER
BUILDING RETURN
IN
BALANCING VALVE
FLOW INDICATOR
TEMPERATURE GAUGE
DIR #20005775360
HOT WATER SUPPLY
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
NOTICE
for all equipment and detailing required by local codes.
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