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Installation and User Manual HELO CAVA / HELO ROXX DET
3.4. Recommended sauna room ventilation
5
4
6
2
Image 3
Recommended sauna room ventilation
1. Sauna room
2. Washroom
7. A ventilation valve can be installed here to be kept closed while the sauna is heated and during bathing.
Inlet vent can be positioned in the A zone. Make sure the incoming fresh air will not interfere with (i.e. cool down) the sauna
heater's thermostat near the ceiling.
The B zone serves as the incoming air zone, if the sauna room isn't fitted with forced ventilation. In this case, the exhaust valve
is installed min 1m higher than the inlet valve.
DO NOT ISTALL INLET VALVE WITHIN ZONE C, IF THE SAUNA HEATER'S CONTROL THERMOSTAT IS LOCATED IN
THE SAME ZONE.
3.5. Connection of the sauna heater to the mains
The sauna heater must be connected to the mains by a qualified electrician and in compliance with current regulations. The
sauna heater is connected with a semi-permanent connection. Use H07RN-F (60245 IEC 66) cables or a corresponding type.
Other output cables (signal lamp, electric heating toggle) must also adhere to these recommendations. Do not use PVC
insulated cable as a connection cable for the sauna heater.
A multipolar (e.g. 7-pole) cable is allowed, if the voltage is the same. In the absence of a separate control current fuse, the
diameter of all cables must be the same, i.e. in accordance with the front fuse.
The connecting box on the sauna wall should be located within the minimum safety clearance specified for the sauna heater.
The maximum height for the connection box is 500 mm from the floor. See page 12 Image 5 Location for the connecting box.
If the connection box is located at over 500mm distance from the heater, the maximum height is 1000mm from the floor.
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7
1
1
4
3. Electric sauna heater
4. Exhaust valve
C
C
C
C
1000 mm
B
B
3
3
5. Exhaust flue or channel
6. Door to the sauna room
A
A
A
1
min
500 mm
10
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