S
ERVICE
H
EAT
RECOVERY
UNIT
en-64
en
7.5.2 Setting the unit code via the control circuit
board and the control panel
1. Connect the mains supply (insert the plug into the socket
or move the isolation switch to ON).
Warning:
w
Do NOT touch any live parts.
2. Press down the microswitch
1
on the control circuit
board .
The LED next to the microswitch will start flashing.
The control panel displays numbers: these comprise the
unit code.
3. Enter the unit code via the control panel and press
ok
.
4. Press down microswitch .
The LED next to the microswitch will stop flashing.
The unit code is now set.
5. Reset the control panel.
7.6
Resetting the PIN code
The PIN code of the control panel can be reset using a USB
flash drive:
1. Connect a USB flash drive to the control panel.
The USB menu is activated
2. Press
x
for 10 seconds.
The PIN code is reset and a new PIN code has to be
entered.
3. Exit the USB menu by removing the USB flash drive.