4.3 CEILING MOUNTING ABOVE A DOORWAY
You can either use M8 drop rods in the two threaded holes on the top of the air curtain
(drop rods not supplied) or mount directly to the ceiling using the supplied brackets. If
mounting using the supplied brackets use the method (section 4.2) with the exception that
you use the Large Side Brackets and they must face upwards (see Pic 5). Do not switch
on unless the 2 M5 centre screws and lock washers are fitted to the side brackets and
tightened. (see Pic 6)
5 . E L EC T R I C AL C O N N E C T I O N S
5.1 230V SINGLE PHASE
– Without controls.
Please make sure you have read the Safety instructions and that you are a suitably qualified electrician before continuing.
6mm
²
PVC cable running in free air (NOT in conduit, walls or any form of enclosure) is rated at 47Amps for short runs. For this
reason, we recommend you connect a maximum of 1.5m of 6mm
²
cable to the air curtain before the isolation switch. From the
isolation switch back to the fuse board use 10mm
²
cable.
Drawings show connections inside the black terminal box on the outside of the air curtain.
Do NOT use power tools to undo or do up terminal screws.
Please Note:- Specified cable sizes are for typical installations, correction factors may need to be used when determining actual
cable sizes.
The Air curtain is supplied for single 230v use with the 2
links present in the power supply box.
230v Standard Connection and Use
Use 6mm² 3 Core Mains Cable (see note above).
Connect Brown wire
– Terminal 1 or L.
Connect Blue wire
– Terminal 5 or N.
Connect Green / Yellow wire
– Terminal E or
Ensure the 3
links are in position in the Control Box as shown in
drawing to the left. Links should be between terminals 1 and 2, 2 and 3,
3 and 4.
De-Rating the Air curtain
If you wish to permanently de-rate the air curtain from 9kW to 6kW remove the link
between terminal 3 and terminal 4 in the Control Box. Ensure you tighten up the screws after
removing the link. See drawing to the right.
PLEASE CHECK ALL CONNECTIONS BEFORE TURNING ON AS INCORRECT WIRING IS NOT
COVERED BY THE GUARANTEE
Pic 5
Pic 6
M5 Lock Washer
