Installation & Operation Manual
6 Hydronic piping (continued)
Figure 6-4 Single Boiler - Single Temperature with Zone Valves - DHW Priority
| ZONE #1 |
|
PRESSURE | PRESSURE |
|
REDUCING VALVE | GAUGE | ZONE #3 |
| ZONE #2 | |
BACKFLOW |
|
|
PREVENTER |
|
|
MAKE UP |
|
|
WATER |
|
|
SYSTEM SUPPLY SENSOR |
| |
AIR SEPARATOR |
|
|
| SYSTEM |
|
| CIRCULATOR |
|
| EXPANSION |
|
| TANK |
|
ZONE #4
ZONE VALVES (TYPICAL)
DIFFERENTIAL PRESSURE BYPASS VALVE (RECOMMENDED)
| MAY SUBSTITUTE LOW LOSS HEADER |
| |
BALL VALVE | NOT TO EXCEED 4 PIPE DIA OR MAX. OF 12" APART |
| |
|
|
| |
(TYPICAL) |
|
|
|
|
| HOT | |
|
| WATER | |
| (RECOMMENDED) |
| |
|
| OUT | |
|
|
| |
DRAIN POINT | FLOW CHECK | DOMESTIC | |
(TYPICAL) | VALVE | HOT WATER | MIXING VALVE |
|
| CIRCULATOR |
|
|
|
| COLD |
BOILER |
|
| WATER |
CIRCULATOR |
|
| IN |
| PRESSURE |
|
|
| RELIEF VALVE |
|
|
BOILER
UNION
(TYPICAL)DRAIN
TEMPERATURE /
PRESSURE
GAUGE
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. | 39 |
|