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Hot water heater (accessory) - integrated
CAUTION
Connection of the hot water heating element must be carried out by an authorised plumber.
CAUTION
If the control unit is installed outdoors or external to the building, it must be protected against
frost.
The water heater is for installation in the system.
The heater is supplied as an accessory and consists of: Heating element with temperature sensor T9
and frost thermostat B3, actuator, regulator valve and autotransformer.
Must be activated via the control system.
The system should be connected, bled and checked for leaks. The system can then be started. Check
and clean the sediment trap after flushing the system appropriately.
Supply
Return
1. Water heater
2. Actuator and regulation valve: Danfoss AME 140/24V 0-10V signal, 2-way valve VZ2 Kv0,4
(supplied by Nilan) Kvs-value MUST be checked compared to the supply.
Differential pressure: 0.1-0.6 bar
At a supply temperature of 60°C, a cooling effect of 20°C over the heater is calculated at maximum
heat output.
3. Bleed valve (not supplied by Nilan)
4. Sediment trap (not Nilan delivery)
30
3
4
2
1
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