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