Installation and Maintenance
Roof Fan STOF
11
Fläkt Woods
9734 GB 2015.06.30
Specifications are subject to alteration without notice
5. INSTAllATION, CONT.
5.1.3 INSTAllATION ON TO The bASe FRAme,
uNINSulATed veRSIONS, SIze 190
1. Fasten the sealing tape on to the base frame.
2. Place the fan on the base frame and fasten it through the
bottom plate with four screws or in case, when base frame is
made of concrete,or with anchor bolts if the base frame is made
of concrete.. There are four Ø12 mm holes for screws in the bot-
tom plate, which can be accessed by removing the roof panel.
5.2 SAFeTy INSTRuCTIONS
The fan is fulfilling the requirements of CE-marking based in the
Machinery Directive. The fan must be installed by following the
standard EN 292/294.
The electrical installations should only be carried out
by authorized personnel.
Switch off the power and wait 5 min. before starting
the installation or maintenance work. Be sure that
the fan cannot be started unexpectedly while work
in progress.
The fan delivery does not include any inlet guard. If
the installation method requires, inlet opening must
be protected.
5.3 ImpORTANT TO NOTe duRINg eleCTRICAl
CONNeCTIONS
- All necessary electrical and other safety instructions must be
followed.
- Cable from mains shall always include an isolator.
- Motor shall be protected with motor protection if necessary.
- Motor cable and fuses shall be dimensioned according to the
local requirements.
- Contact between cables and impeller must be prevented.
5.4 WIRINg
The following wiring instructions must be followed. In case of
electrical accessories all required instructions are included in
the delivery.
5.4.1 The FAN WITh SAFeTy SWITCh INSTAlled
AT The COmmISSIONINg phASe
1. Fasten the safety switch in a proper place by using an
accepted cable type and note the potential opening direction
of the fan.
2. Open the cover of the safety switch.
3. Connect the motor cable to the safety switch.
4. Thread the flexible power cable through the safety switch
gland, allow enough cable to enable the fan section to be
opened during maintenance.
5. Make the cable connections and check them.
6. Check that the safety switch is working properly.
7. When starting the fan, please check the correct rotational
direction.
Figure 9.
Duct
