Installation
Allowed pressures
during installation:
1. Ancor the fan to the concrete pad.
2. Connect the ducting to both the inlet and the
outlet of the fan before starting. This fan is an
overload type fan and will not function correctly
without being connected to the ductwork giving
suffi cient restriction.
3. The electrical connections may only be made by
a qualifi ed electrician. A separate lockable discon-
nect should be installed next to the fan. Check for
correct motor rotation.
Test Running
1.
Close all inlets so that the fan can be started
without problems. Start the fan and check the
ducting.
2. Open all outlets the system is designed for
and check the pressure as well as the motor
Service
The fan has a minimal need for service. Every 10
000 h it could be necessary with a lubrication of
the layers in the engine.
2017-09-04
Do not lift from this
side:
4. Thermal overload protection must be installed
according to the prevailing electrical code and
adjusted by a qualifi ed electrical technician.
5. Extra silencing shall be installed.
6. If the outlet is vertical, rain protection should be
installed. Please observe: exhaust air can be very
hot.
current draw.
3. Run the fan at maximum fl ow for 15 minutes
also check the setting of the thermal overload
protection.
RAF 1600/2500 - 13
The fan should be moun-
ted on a concrete pad:
Part No 9053/9054-A