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3 Hydronic piping (continued)
Figure 3-7 Single Boiler - Multiple Temperatures
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.
NOTICE
CAUTION
Mixing valves are required for the protection of low temperature loops.
EXPANSION
TANK
AIR SEPARATOR
PRESSURE
REDUCING
VALVE
BALL VALVE
(TYPICAL)
UNION (TYPICAL)
PRESSURE
RELIEF
VALVE
FLOW CHECK VALVE
(TYPICAL)
INDIRECT DHW
TANK
PRESSURE
GAUGE
BOILER CIRCULATOR
COLD WATER IN
ANTI-SCALD
MIXING VALVE
DOMESTIC
HOT WATER
CIRCULATOR
HOT WATER OUT
MAKE UP WATER
Y-STRAINER (RECOMMENDED)
TEMPERATURE
LOOP 1
TEMPERATURE
LOOP 2
TEMPERATURE
LOOP 3
BACK FLOW
PREVENTER
LOOP SENSOR (3X)
MULTI-TEMP
LOOP CONTROL
(OPTIONAL)
WIRES TO LOOP SENSORS
24V SIGNAL TO
MIXING VALVES
FROM
SYSTEM
120VAC
TO PUMPS
BOILER
SHIELDED CABLE
TO BOILER CONTROL
TO
SYSTEM
I
MG00392
Outdoor Knight XL Installation & Operation Manual
Please note that these illustrations show an indoor tank to demonstrate piping concept only.
NOTICE