Installation & Operation Manual
3Piping (continued)
Figure 3-3 Knight Boiler Primary / Secondary Piping
BACKFLOW PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
MAKE UP WATER |
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| AIR |
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| SEPARATOR |
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| SYSTEM SUPPLY |
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| SENSOR |
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TO |
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| FROM |
SYSTEM |
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| |
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| NOT TO EXCEED 4 PIPE DIA. OR | SYSTEM |
BALL VALVE | SYSTEM | A MAXIMUM OF 12” APART |
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CIRCULATOR |
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(TYPICAL) |
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BOILER | COLD | ||
CIRCULATOR | |||
MIXING VALVE | |||
| WATER | ||
EXPANSION |
| IN | |
TANK |
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|
DRAIN POINT |
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(TYPICAL) |
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DOMESTIC |
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HOT WATER |
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CIRCULATOR |
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| RECIRCULATION |
| LOOP |
| TANK SENSOR / LIMIT |
UNION | DRAIN POINT |
(TYPICAL) | (TYPICAL) |
TEMPERATURE / |
|
PRESSURE |
|
GAUGE |
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DRAIN | INDIRECT TANK |
BOILER | |
PRESSURE |
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RELIEF VALVE |
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Figure 3-4 Multiple Tank Connections
TANK SENSOR / LIMIT
9
