Hydronic piping, Installation & operation manual – Lochinvar Knight 80 - 285 User Manual
Page 34
Installation & Operation Manual
34
6
Hydronic piping
PRESSURE
REDUCING VALVE
BACKFLOW
PREVENTER
PRESSURE
GAUGE
SYSTEM SUPPLY
SENSOR
NOT TO EXCEED 4 PIPE DIA. OR A MAX. OF 12” APART
DRAIN POINT
(TYPICAL)
SYSTEM
CIRCULATOR
ANTI-SCALD
MIXING VALVE
DOMESTIC
HOT WATER
CIRCULATOR
PRESSURE
RELIEF VALVE
UNION
(TYPICAL)
TEMPERATURE /
PRESSURE
GAUGE
BOILER
CIRCULATOR
DRAIN
BOILER
INDIRECT
DHW TANK
BALL VALVE
(TYPICAL)
EXPANSION
TANK
HOT
WATER
OUT
ZONE #1
ZONE #2 ZONE #3 ZONE #4
AIR SEPARATOR
COLD
WATER
IN
FLOW CHECK
VALVE
ZONE VALVES
(TYPICAL)
DIFFERENTIAL
PRESSURE BYPASS
VALVE (IF USED)
MAKE UP WATER
Figure 6-6 Single Boiler Zoned with Valves
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