I
NSTALLATION
H
EAT
RECOVERY
UNIT
en-26
en
Warning:
w
However, do make sure to switch the mains
supply off if you are going to conduct
maintenance on or repair electrical
components.
2.11.2 Connecting the unit
Warning:
w
Make sure that the mains supply is switched
off.
1. Bring the mains power cable to the unit.
2. Feed the cable into the electronics module.
3. Connect the cable on terminal X0
1
, in accordance with
the wiring diagram.
Caution:
c
Do not switch on the mains supply yet.
See also:
2.11.1 "Special points regarding the mains supply" on page 25