Cabling; Mounting And Installation - Mark OptiTherm Livret Technique

3.3 Cabling

For the cabling a protected bus cable must always be applied.
Also see table [2] for the maximum length and the proper diameter.
Attention!
The cable protection is earthed on the air heater.
The bus cable must be selected according to the country specific rules, where the values which
are included in the technical data must be adhered to.
Cable type Application
YCYM Fixed system
J-Y(st)Y Fixed system
JH(st)H Halogen-free cables,
Remote system
A-2Y(L)2Y Telephone ground cable,
A-2YF(L)2Y System in outside area

3.4 Mounting and installation

For the correct mounting and connection of the OptiTherm to the air heaters, you follow the
points below:
• Check that the electricity supply is switched off. If that is not the case, then first switch off the
electricity supply before you proceed. For this, also consult the technical manual of the air hea-
ter to be connected.
• Mount the OptiTherm on the partition, taking into account §3.2 Placing the OptiTherm
• Only applicable when external sensors are applied.
Mount the external sensors at the correct place. For this, also consult the instruction which is
delivered with the sensor.
• Lay the correct cabling between the air heater and the OptiTherm and, if applicable, the air he-
aters with each other. For this also take into account §3.3 Cabling. [2][3]
• Only applicable when external sensors are applied.
Lay the correct cabling between the air heater and the external sensor. For this also take into
account §3.3 Cabling and the instructions for the external sensor. [2][4]
• Connect the OptiTherm and the air heater(s) according to the diagram [2][3]
• Only applicable when external sensors are applied.
Connect the cable to the external sensor and the air heater and there also take into account
the instructions for the external sensor. [2][4]
• Only applicable with the connection of more than one appliance on 1 OptiTherm.
Install the Dip switch and switch S4 on the automatic burner of the air heaters. For this, ensure
that the air heater to which the OptiTherm is connected is always addressed as appliance 1.
[5][6]
6
EIB specification
Dry, damp, wet rooms
In the open air (no direct exposure to
sunlight)
Face-fit, flush-fit, in conduits
Only in interior spaces
Face-fit, in conduits