Installation & Operation Manual
6 Hydronic piping
Figure 6-5 Single Boiler - Multiple Temperatures
| PRESSURE | TEMPERATURE | TEMPERATURE | TEMPERATURE |
BACKFLOW | REDUCING VALVE | LOOP #1 | LOOP #2 | LOOP #3 |
PREVENTER |
|
|
| MIXING VALVES |
| PRESSURE |
|
| (TYPICAL) |
| GAUGE |
|
|
|
MAKE
UP
WATER
SYSTEM
SUPPLY
SENSOR
AIR SEPARATOR 
| EXPANSION |
| WIRES | |
| TANK |
| TO LOOP | |
| MAY SUBSTITUTE |
| SENSORS | |
|
|
| ||
| LOW LOSS HEADER |
| 24V SIGNAL TO | |
|
|
| ||
| NOT TO EXCEED 4 PIPE DIA | MIXING VALVES | ||
BALL VALVE | OR MAX. OF 12" APART |
| ||
(TYPICAL) |
|
|
| |
| BOILER |
|
| |
DRAIN POINT | 120VAC TO PUMPS | LOOP CONTROL | ||
CIRCULATOR | ||||
(TYPICAL) | DOMESTIC | (OPTIONAL) | ||
| ||||
FLOW CHECK | HOT WATER | HOT WATER | ||
CIRCULATOR | ||||
VALVE | OUT | |||
(RECOMMENDED) |
| |||
|
| |||
|
|
| MIXING VALVE | |
|
|
| COLD | |
|
|
| WATER | |
| SHIELDED CABLE TO | IN | ||
|
| |||
|
| BOILER CONTROL |
| |
| UNION |
|
| |
| (TYPICAL) | DRAIN |
| |
| TEMPERATURE / |
| ||
|
| IMG00187 | ||
| PRESSURE |
| ||
| GAUGE |
|
| |
CAUTION
NOTICE
Mixing valves are required for the protection of low temperature loops.
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.
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