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Installation & Operation Manual
9
SOLUTION
BOILER
SQUIRE
COLD
WATER
IN
TEMPERATURE /
PRESSURE
GAUGE
AIR SEPARATOR
BALL VALVE
(TYPICAL)
UNION
(TYPICAL)
PRESSURE
RELIEF VALVE
DRAIN POINT
(TYPICAL)
MAKE UP
WATER
BOILER
CIRCULATOR
BACKFLOW
PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
EXPANSION
TANK
ZONE #1
ZONE
#2
ZONE
#3
ZONE
#4
SYSTEM SUPPLY
SENSOR
(WHEN USED)
NOT TO EXCEED 4 PIPE DIA.
OR A MAXIMUM OF 12" APART
Y-STRAINER
DRAIN
( FIELD SUPPLY )
HOT
WATER
OUT
ANTI-SCALD
MIXING VALVE
RECIRCULATION
PUMP
TEMPERATURE/
PRESSURE
RELIEF VALVE
TEMPERATURE/
PRESSURE GAUGE
(TYPICAL)
SOLAR HEAT
EXCHANGER
GAS SUPPLY
CHECK VALVE
BOILER
TANK SENSOR /
AQUASTAT
SOLAR SENSOR
AUXILIARY CATCH PAN
CHECK VALVE
DRAIN
FROM
SOLAR
TO
SOLAR
ZONE VALVES
(TYPICAL)
DIFFERENTIAL
PRESSURE
BYPASS
VALVE (IF USED)
SYSTEM
CIRCULATOR
BOILER BACKUP
HEAT EXCHANGER
( SDT MODELS ONLY )
Figure 3-2 Piping Diagram Zoned with Valves
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
3 Boiler Side Piping (SDT models) (continued)
NOTICE
Please note that the installer is responsible for ensuring DHW prioritization when piped as a zone.