Nibe VVM 320 - Scheduling Heating Periods

Removing the cover, immersion heater circuit
board
Wilo
VVM320
1
2
A
B
1.
Insert the screwdriver (A) and pry the catch carefully
downwards (B).
2.
Angle out the cover and remove it.
Removing the cover, base board
Caution
To remove the cover for the base board, the
cover for the input circuit board must first be
removed.
Wilo
VVM320
1
A
B
2
1.
Insert the screwdriver (A) and pry the catch carefully
downwards (B).
2.
Angle out the cover and remove it.
CABLE LOCK
Use a suitable tool to release/lock cables in the indoor
module terminal blocks.
LEK
1
1
2
2
3
3
1
2
3
3
4
1
2
LEK
1
1
2
2
3
3
1
2
3
3
4
1
2
1
2
NIBE VVM 320Chapter 5 | Electrical connections28