4 Planning and installation – Installing the heating system
72
W
IRING
THE
MODULES
1.
Connect all plugs on the central unit (1) and drive module (3) and,
if necessary, the expansion module(s) in accordance with the cir-
cuit diagram.
✎
See “Electrical plans HDG Compact 25 - 80”.
2.
Connect all cable channels (2).
✓
The modules are wired up.
I
NSTALLING
AND
ADJUSTING
THE
ASH
CONTAINERS
1.
Remove the ash containers from the packaging.
2.
Lift up the clamp handle (1).
Depending on the hydraulic application, an EM 4 expansion
module may have to be used.
Important!
If the EM4 expansion module is used, this must be installed on the
rear next to the drive module. If expansion module EM8 or EM8+4 is
used instead or in addition it must be installed external boiler.
✎
For connecting the expansion module, refer to the “Electrical
plans HDG Compact 25 - 80”.
Figure 4/64 - Central module, drive module and EM4 extension module
1
2
3
Figure 4/65 - Attaching the ash containers
1
2
