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Installation & Operation Manual
5 Hydronic piping (continued)
HOT WATER
GENERATOR
SYSTEM
CIRCULATOR
AIR SEPARATOR
MAKE UP
WATER
DRAIN POINT
(TYPICAL)
SYSTEM SUPPLY
SENSOR
BALL VALVE
(TYPICAL)
MODULE 2
BOILER PUMP
PRESSURE RELIEF
VALVE
FLOW CHECK
VALVE (TYPICAL)
PRESSURE REDUCING
(VALVE)
EXPANSION
TANK
UNION (TYPICAL)
TEMPERATURE /
PRESSURE GAUGE
DRAIN
WATER GENERATOR
CIRCULATOR
(TYPICAL)
BACK FLOW
PREVENTER
PRESSURE GAUGE
MODULE 1
BOILER PUMP
TO SYSTEM
FROM SYSTEM
Figure 5-5 Single Boiler - Primary/Secondary Piping
NOTICE
System flow should always remain higher than the required flow for the boiler(s) when the boiler(s) is in
operation to prevent short cycling and high limit issues.
29
NOTICE
A system supply sensor (factory
supplied) MUST BE installed for proper
boiler operation.