11. Plumbing Applications | |||||
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| Recirculation System | ||
| Cold Water Supply |
| Hot Water Return | Aquastat Wiring | |
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| Use Honeywell Aquastat | ||
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| (Model L6006A or L6006C) |
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| Fixtures | |
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| Check |
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| Valve |
| 105 |
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| Expansion Tank | Pump | |
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| (Install According |
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| NORITZ | Pump | to Local Codes) |
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| > 85 W) |
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| Gas Water | (See p. 23) | Pump Control Signal | R | |
| Heater |
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| (See p. 23) |
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| Check Valve |
| AC120 |
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| B 5 | |
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| Aquastat | Pump | W |
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| (See notes for Sizing) | ||
Pressure |
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Relief | Shutoff Valve | Controlling Pump) | Optional 30 - 38L |
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Valve |
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| Neutral | |
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| Storage Tank | Ground |
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| (To Alleviate Cold | Live |
| Hot Water |
| Water Sandwich) | * Size the pump to provide at least 6L/min. (1.58 GPM) through the system at 30kPa (10') | |
Drain |
| of Head plus piping losses. Check the maintenance monitors on the unit to make sure the | |||
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| pump is providing that much flow. | |
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| ** Adjust the flow using a gate valve and verify the flow rate with the maintenance monitors. |
Heating System
Cold Water Supply
Backflow | Hot Water Return |
Preventer | |
(Optional) |
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Pressure Reducing Valve (Optional)
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| Check |
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| NORITZ | Pump |
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| Pump |
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| > 85 W) |
| Valve |
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| Gas Water |
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| (See notes for Sizing) |
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| (See p. 23) |
| Pump Control signal |
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| Heater |
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| (See p. 23) |
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| Air Scoop |
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| Hydronic Heat | |
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| Check Valve | (Optional) | |||
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| Exchanger or | |||
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| Radiant Heat |
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| Aquastat |
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| Heating | Piping |
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Pressure | Shutoff Valve |
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| Controls |
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| Unit Isn't Controlling | For Baseboard | ||||||
Relief Valve |
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| Pump) |
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| Temp. & | Applications: | |
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| Expansion |
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| Press. Gauge | Please contact | ||||
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| Tank |
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| (Optional) | Noritz for | |
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| (Install According |
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Drain |
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| to Local Codes) |
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| compatibility. | |
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| Shutoff | Hot Water |
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| * | Size the pump to provide at least 6L/min. (1.58 GPM) through the system at 30kPa (10') of | ||
| Valve | Boiler Drain Valve |
| Head plus piping losses. Check the maintenance monitors on the unit to make sure the | ||||
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| pump is providing that much flow. |
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| ** Adjust the flow using a gate valve and verify the flow rate with the maintenance monitors. | |||
Gas
Water
Heater
Cold Water Supply
Tempered Potable Hot Water
Mixing Valve | Hot Water for Heating |
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For Space Heating Purposes:
If the system requires water for space heating at a higher temperature than for other uses, means such as a mixing valve shall be provided to temper the water for the other uses to help prevent scalding.
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