10
Pacific Ventilation
Connection to power mains
Power off the power supply prior to any operations with the unit.
The unit must be connected to power supply by a qualified electrician.
The rated electrical parameters of the unit are given on the Manufacturer’s label.
Any tampering with the internal connections is prohibited and will void the warranty
The fan is rated for connection to single-phase AC 220-240 V/50 (60) Hz.
The fan is connected to power mains with an electric plug through a QF circuit breaker with a magnetic trip integrated
into the fixed wiring system.
The position of the automatic circuit breaker must ensure free access for quick power-off of the unit.
Wiring diagram of the fan
8 mm
max.
L
QF
L
N
N
S
N
QF
L
N
L
S1
S
N
QF
L
N
L
S1
8 mm
max.
L
QF
L
N
N
S
N
QF
L
N
L
S1
S
N
QF
L
N
L
S1
8 mm
max.
L
QF
L
N
N
S
N
QF
L
N
L
S1
S
N
QF
L
N
L
S1
Terminal designations on the wiring diagram: L – phase; N – neutral; S1 — switch; QF – automatic circuit breaker.
Electronics operation algorithm
Timer (T)
After turning on an external switch, such as a light switch, the fan turns on.
After the switch is turned off the fan keeps operating for a set turn-off delay time period, adjustable
from 0 to 30 minutes.
Humidity sensor (TH)
If the set humidity level in the room is exceeded from 60 % to 90 %, the fan turns on.
As the indoor humidity level drops down the fan keeps operating for a set turn-off delay time period, adjustable
from 0 to 30 minutes, and then turns off.
The fan delivery set includes a specially designed
plastic screwdriver for fan settings adjustments.
Use it to change the turn-on and turn-off delay time
and the humidity set point.
H
60%
90%
T
2 min
30 min
— To adjust the fan turn-on delay time, turn the control knob Ton clockwise to increase and counter-clockwise
to decrease the turn-on delay time respectively, adjustable from 0 up to 2 minutes.
— To adjust the humidity set point, turn the control knob H clockwise to increase and counter-clockwise to decrease
the humidity sensor set point, adjustable from 60% up to 90%.
Do not use a metal screwdriver, knife, etc.
For adjustment operations not to damage the circuit board.
