1
2
3
4
9
1.1 Hygrostat (option)
The fan turns on when moisture level is exceeded. Moisture level is set with RP1
regulator (pic. 8) according to table 3. Green LED indicates moisture level
exceeding and turns the fan on. After moisture level drops, the fan will be working
for the time set with RP2 regulator according to table 2. The mode is activated by
setting switches 1 and 2 into ON position.
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2
3
4
1.2 Photo switch
Turning the fan on and off depending on illumination (two modes are available):
The fan is turned on in 5 seconds after the light in the room turns OFF. Fan's
working time is set with the RP2 regulator according to the table 2. Operating
threshold is set with RP1 regulator. Yellow LED indicates illumination threshold
exceeding. The mode is activated by setting switch 1 into ON position.
Photo switch (dark)
ON
ON
Configuring
and set-up
To configure BU settings:
1. Choose one of the five modes using the switch (pic. 8).
Function modes' details.
Photo switch (light)
The fan is turned on in 10 seconds after the light in the room turns ON. After the
light turns off, the fan keeps working for the time set with the RP2 regulator
according to the table 2. Operating threshold is set with RP1 regulator. Yellow LED
indicates illumination threshold exceeding. If the light stays turned on over 60
minutes, the fan turns off. The mode is activated by setting switch 2 into On
position.
1
2
3
4
ON
BU
Summary of Contents for BU-1-60 TF
Page 1: ...User s Manual BU...
