Installing The Hdg Automatic Ignition - HDG Euro 30 Operation Manual

4 Planning and installation – Installing the heating system
C
ONNECTING THE CABLES
36
3. Install the cables and sensors on expansion module EM4
according to the hydraulic wiring diagram.
✓
Expansion module EM4 is installed.
Caution!
Malfunctions due to incorrect cabling
If live cables and sensor cables are installed in the same ducts, it can
cause the sensors to malfunction.
Ensure that the live wires and the sensor cables are installed in
different cable ducts.
1. Route all the cables and sensors to the central module and any
expansion module(s).
2. Connect all the cables on the central unit and any expansion
module(s).
✓
See "Electrical plan HDG Euro 30/40/45/50".
Please note that here only the assembly of the HDG Control unit is
described.
The remaining electrical installations depend on the hydraulic
system and can be installed based on the specifications for the
respectively selected system.
3. Replace the cover (3) on the central module.
✓
The HDG Control unit is now installed.
I HDG
NSTALLING THE AUTOMATIC IGNITION
The HDG automatic ignition is available as an option and not
included in the standard scope of delivery.
1
Figure 4/13 - Pressing out the cladding sections
1. Press out the two perforated
cladding sections (1).