•
The devices equipped with ball bearings are designed for a minimum operating life of 30,000 hours in S1 duty cycle at the maximum power output and the maximum
ambient temperature.
•
The control system must prevent extremely frequent power cycling.
Transport and storage
•
Keep the fans in their original packaging in a dry, sheltered room.
•
The transport and storage ambient temperature limits are -20 °C to +40 °C.
•
Protect against impact and shocks. Transport the fan in its original packaging
•
If the storage time exceeds 1 year, the motor bearings of the fan must be tested by turning the fan rotor by hand before installation. The fan rotor must run
smoothly.
•
Dispose of the fan at the end of its operating life strictly in accordance with environmental protection and waste management laws.
•
Should it occur, damage caused by improper transport, handling, storage or commissioning will be demonstrated and is not on warranty.
ACCESSORIES
Available optional accessories:
Terminal block (standard version, no part index suffix). C
onnect the air exhaust fan with the terminal block as shown in the electrical wiring diagram, see Fig. 2.
The air exhaust fan is started and stopped by a separate on/off switch installed in the power supply line of the building (and not included with the product).
Stop delay timer (part index suffix 'T').
Connect the air exhaust fan with the stop delay timer (a stop delay switch) as shown in the electrical wiring diagram, see Fig. 3.
The stop delay time can be set with a potentiometer knob on the electronic module of the stop delay timer. The minimum stop delay time is set at 3 min. with the
potentiometer knob rotated counter-clockwise to stop. Turn the potentiometer knob clockwise to set a longer stop delay time accordingly. The maximum stop delay
time setting is 30 min. The stop delay time is adjusted in infinite increments. The stop delay time is counted down from the time the air exhaust fan senses the indoor
lights are off or turning the separate on/off switch off to which the air exhaust fan is connected.a
Hygrostat (part name suffix 'H').
Connect the air exhaust fan with the air humidity sensor (hygrostat) and timer as shown in the electrical wiring diagram in Fig.3
or Fig.4.
The air humidity sensor operating range is 40% to 90% of relative humidity. This accessory option includes the stop delay timer. The operation of the air exhaust fan
14
EN