Installation & Operation Manual
3Piping
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 |
|
| NOT TO EXCEED 4 PIPE DIA. |
| OR A MAXIMUM OF 12” APART |
DRAIN POINT |
|
(TYPICAL) | BOILER |
BALL VALVE | CIRCULATOR |
| |
(TYPICAL) |
|
| RELIEF VALVE |
UNION |
|
(TYPICAL) |
|
TEMPERATURE / |
|
PRESSURE | SOLUTION |
GAUGE | |
PRESSURE | BOILER |
| |
RELIEF VALVE |
|
HOT
WATER
OUT
MIXING VALVE
| COLD |
| WATER |
IN |
RECIRCULATION |
LOOP |
AQUASTAT |
| SQUIRE |
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