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Water after-heating element
If you purchase a water after-heating element with your unit, it will be built into the unit at the factory. The water after-heating ele-
ment is regulated outside the ventilation unit.
The heating element comes with temperature sensor T9, frost thermostat B3, actuator (Danfoss AME 140724V) and control valve (3-
way valve).
Connect up the system, air it and check it for potential leaks. Now, you can start the ventilation unit. Once the system has been ade-
quately flushed,
check and clean the sediment trap.
Example of mixing circuit installation
WARNING
The mixing loop must be connected up to the heating element by a certified plumber.
ATTENTION
If the ventilation unit is located outside the climate screen of the building, it must be protected against frost.
ATTENTION
In order to achieve stable regulation of the heating element, the distance between the mixing loop and the heating ele-
ment should not exceed 3 m.
ATTENTION
The installer must ensure frost protection of the pipes.
Содержание VPR 120
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