Vents Fan - Fan Connection Schematics (Two-Speed); Speed Control via External Switch; Speed Control with Light Activation

Sample schematic of basic two-speed fan model connection - modifications A, B and D.
66
EL
B
A
A - Fan
B - Distribution box
EL - Lighting lamp
SW - two-position switch
(shown schematically).
S - External speed switch P2-1-300
(shown schematically).
1
N
L
N
1
A
S
2
2
EL
1
N
S
2
OFF
2
L
N
OFF
1
A
S(SW)
The fan is set to one of the 2 speeds as
required with the help of external switch S
(e.g. P2-1-300) or switched off.
The fan is set to one of the 2 speeds with
the help of external switch S (e.g. P2-1-300).
The fan is activated or deactivated
simultaneously with the lights on the
premises.
The fan is activated / deactivated only
simultaneously with the lights.
OFF
OFF
31
VNVN
Diagram 3 Diagram 4