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EN
CONNECTION TO POWER MAINS
The fan is rated for connection to single-phase AC 220-240 V/50 (60) Hz power mains.
TERMINAL DESIGNATIONS ON WIRING DIAGRAMS
L1 — minimum speed terminal
L2 — maximum speed terminal
QF — automatic circuit breaker
Automatic circuit breaker
designation in the wiring diagram
QF
Automatic
circuit breaker
DO NOT USE A METAL SCREWDRIVER, KNIFE, ETC. FOR ADJUSTMENT
OPERATIONS NOT TO DAMAGE THE CIRCUIT BOARD
S — external speed controller
ST — external switch
SW — control mode switch
Designation of the external switch on
the wiring diagram
S
S/ST
18
External switch
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