Installation & Operation Manual
6 Hydronic piping
Figure 6-11 Single Boiler - Full Flow - Single Temperature Zoned with Valves - DHW Piped as a Zone
ZONE #1
PRESSURE
REDUCING VALVE PRESSURE
GAUGE
BACKFLOW
PREVENTER
MAKE UP |
WATER |
SYSTEM SUPPLY
SENSOR
AIR SEPARATOR
EXPANSION
TANK
BALL VALVE (TYPICAL)
ZONE #2 ZONE #3 ZONE #4
ZONE VALVES (TYPICAL)
DIFFERENTIAL PRESSURE BYPASS VALVE (RECOMMENDED)
DRAIN POINT
(TYPICAL)
BOILER CIRCULATOR
PRESSURE
RELIEF VALVE
HOT
WATER
OUT
MIXING VALVE
COLD WATER IN
BOILER
NOTICE
NOTICE
UNION
(TYPICAL)DRAIN
TEMPERATURE /
PRESSURE
GAUGE
It is the responsibility of the installer to ensure that the minimum flow requirements of the boiler are met at all times during boiler operation. If the minimum flow requirements cannot be met at any time the boiler must be hydraulically separated from the system.
Please note that these illustrations are meant to show system piping concept only, the installer is responsible for all equipment and detailing required by local codes.
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