Nibe VVM 320 - Page 27

MINIATURE CIRCUIT-BREAKER
The indoor module and a large proportion of its internal
components are internally fused by a miniature circuit
breaker (FC1).
TEMPERATURE LIMITER
The temperature limiter (FQ10) cuts the power supply
to the electric additional heat, if the temperature rises
to between 90 and 100 °C and it is reset manually.
Resetting
The temperature limiter (FQ10) is accessible behind the
front cover. Reset the temperature limiter by pressing
the button (FQ10-S2) using a small screwdriver. Press
the button lightly, max. 15 N (approx. 1.5 kg).
LEK
LEK
LEK
LEK
LEK
FQ10
FQ10-S2
LEK
LEK
LEK
LEK
LEK
FQ10
FQ10-S2
TEMPERATURE LIMITER, COMPRESSOR
The temperature limiter (FQ11) cuts the power supply
to the soft-start, if the temperature rises above 88 °C
and it is reset manually.
Resetting
Temperature limiter (FQ11) is accessible behind the
front cover. The temperature limiter is reset by firmly
pressing in its button (FQ11-SF2) using a small screw-
driver.
ACCESSIBILITY, ELECTRICAL CONNECTION
The plastic cap of the electrical boxes is opened using
a screwdriver.
NOTE
The cover for the input card is opened without
a tool.
Removing the cover, input circuit board
Wilo
VVM320
1
2
1.
Push the catch down.
2.
Angle out the cover and remove it.
27Chapter 5 | Electrical connectionsNIBE VVM 320