Installation and User Manual HELO Roxx Elite
2.13 Locating the connecting box for the connection cable in the sauna room
A = Specified minimum safety clearance
1. Recommended location for the connecting box
2. Silumin box recommended in this area.
3. This area should be avoided. Always use a silumin box.
In other areas, use a heat-resisting box (T 125 °C) and heat-resisting cables (T 170 °C). The connection box
must be clear of obstacles. When installing the connection box to zones 2 or 3, refer to the instructions and
regulations of the local energy supplier.
2.14 LocatRemote controlling
The Heater can be remotely controlled by connecting a closed contactor, which can be pulse triggered, to connectors 3
and 4 of a RJ10 circuit board. The recommended cable size is AWG 24 or 26.
The maximum length of an AWG 24 cable is 200 m.
The maximum length of an AWG 26 cable is 130 m.
Kretskortet RJ kontakter
NOTE: Incorrect connections may break a circuit board.
Additional sensor (NTC)
Pin 1
Pin 2
NTC 10
kOhm
Pin 3
NTC 10
kOhm
Pin 4
Sensor (Sec/NTC)
Pin 1
End stop
Pin 2
NTC 10
kOhm
Pin 3
NTC 10
kOhm
Pin 4
End stop
A
3.
2.
Figure. 4 Location for the connection box
Pin layout of a RJ10 circuit board connector
Remote control switch (Ext switch)
Pin 1
3.3 V
Pin 2
CPU
Pin 3
To switch
Pin 4
To switch
Table 3 Coupling order of RJ 10
GND
connectors to circuit board
3.3 V
CPU
10V
A
3.
1.
2.
Pin 1
Pin 2
GND
Pin 3
12 VDC
Pin 4
Pin layout of a RJ10
connector
Door switch
Alarm LED
GND
Door
GND
switch
Door
12 VDC
switch
10