Installing The Sensor Near A Supply Air Vent; Ceiling Installation Of The Sensor; Installing The Extra Ntc Sensor; Sauna Heater Safety Clearances - Helo Roxx Premium series Product Manual

Installation and User Manual HELO Roxx Premium

2.2 Installing the sensor near a supply air vent

The sauna room air should be exchanged six times in an
hour. The diameter of the supply air pipe should be
between 50 and 100 mm.
A circular air supply vent (360°) must be
installed at least 1000 mm away from the sensor.
An air supply vent with a flow-directing panel
(180°) must be installed at least 500 mm away from
the sensor. Air flow must be directed away from the
sensor.

2.3 Ceiling installation of the sensor

Ceiling installation of the sensor In ceiling installation, a 5-mm hole must be drilled to the sensor case to allow
any condensed water to drain.
Do not spray water directly towards the sensor or splash water at it with a sauna scoop.

2.4 Installing the Extra NTC sensor

The additional OLET 31 sensor is connected to the Ext NTC connector on the RJ10 circuit board. For more de-
tails, refer to the switch diagram. The additional sensor is installed on the sauna room wall no more than 500
mm from the ceiling. Once the additional sensor has been connected to the circuit board, it is automatically acti-
vated. This means that the temperature shown on the control panel is measured by the additional sensor.
The primary sensor installed above the sauna heater only has the limiter circuit that limits the maximum temper-
ature to 110 °C. Even if the temperature is set to 110 °C on the control panel, the maximum temperature that
can be shown on the panel is approximately 90 °C, as the primary sensor above the heater limits the maximum
temperature to 110 °C. Depending on individual preferences, the temperature of a sauna room is typically set
between 70 and 80 °C.

2.5 Sauna heater safety clearances

Output
kW
6,0
9,0
Sauna room
Volume Height
min. max.
m³ m³ min. mm
5 10 1900
9 13 1900
Table. 1 Safety clearances
360°
180°
ø
5 mm
Heater minimum clearances
From front
From side
A D
mm mm
100 300
100 350
1000 mm
500 mm Sensor
Amount of stone
To ceiling
F
mm ca. kg
1070 38
1070 38
6
Sensor