Installation & Operation Manual
3 Boiler side piping
Figure 3-2 Piping Diagram Zoned with Valves
|
| ZONE #1 |
PRESSURE | PRESSURE |
|
REDUCING VALVE | GAUGE |
|
BACKFLOW |
|
|
PREVENTER |
|
|
|
| SYSTEM SUPPLY |
MAKE UP WATER | SENSOR | |
|
| (WHEN USED) |
AIR SEPARATOR |
| SYSTEM |
|
| CIRCULATOR |
ZONE #2 ZONE #3 ZONE #4
ZONE VALVES
(TYPICAL)
DIFFERENTIAL
PRESSURE BYPASS
VALVE (IF USED)
EXPANSION 
TANK
DRAIN POINT 
(TYPICAL)
BALL VALVE (TYPICAL)
NOT TO EXCEED 4 PIPE DIA. |
OR A MAXIMUM OF 12" APART |
BOILER
CIRCULATOR
HOT |
WATER |
OUT |
MIXING VALVE |
COLD |
WATER |
IN |
RELIEF VALVE |
TANK SENSOR/ |
AQUASTAT |
UNION
(TYPICAL)
TEMPERATURE /
PRESSURE
GAUGE
DRAIN
SOLUTION
PRESSUREBOILER
RELIEF VALVE
| RECIRCULATION |
| PUMP |
| CHECK VALVE |
SQUIRE | DRAIN |
( FIELD SUPPLY ) |
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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