13
7.2. Electrical board
Number
Components
B1
Fan supply terminal block + condensate pump
B2
Safety connection terminal block
B3
Common terminal block GDO
B4
Common terminal block AGND (30)
B5
Common terminal block G (1) → +24 V
B6
Common terminal block +C (4)
B7
Common terminal block +C (4)
B8
Common terminal block G (1) → +24 V
B9
Common terminal block AGND (90)
INS1…3
Inserts for earth connection
K1
Electric coil heating contactor (BE)
KD
Preheating/de-icing electric coil contactor (DBE)
REG
Electronic controller
TRAFO
Control transformer
Front view of the electrical board with the electronic controller
INS1
B1
REG
B2
B3
B4
TRAFO
K1
KD
B5
INS2
INS3
B6
B7
B8
B9
Zehnder Eversky