Instruction manual

5.1 Control panel.
The electrical control panel incorporates the
facility to interlock with the door opening mech-
anism and automatically switch the air curtain
on and off as the door is opened and closed. A
pair of volt free auxiliary contacts are required
on the door open/close contactor which closes
as the door opens. If this is not available then a
suitably positioned limit switch and striker plate
will need to be fitted to the door.
The panel incorporates an auto/off/manual
selector switch, which, when in 'auto' mode
5. Wiring Details.
Diagram 8: Generic control panel wiring
operates the air curtain as the door opens and
closes. The 'manual' position overrides the door
interlock, and the 'off ' position turns the air
curtain off.
The panel also contains a removable link on the
main terminal rail to allow the air curtain to be
switched on and off remotely via a BMS control
relay or remote switch.
The panel may also be fitted with optional low
voltage (24V AC) relays for fire alarm/door
contact interlocks.
LOW SPEED
HIGH SPEED
MEDIUM
SPEED
CA
CONTACTOR
PANEL
LIVE
DOOR
INTERLOCK
MAKES AS
DOOR
OPENS
L1 L2 L3
N E
415 VOLT
3 PHASE
50 Hz
4 WIRE
SUPPLY
DOOR LOCKED
ISOLATOR
CA
N
AUTO OFF MAN
MCB4
4A
FAN TERMINAL
FAN
MOTORS
4.5A FLC
MCB1
25A
AIR CURTAIN MODULE
UPTO 4 FAN MOTORS
1 1 1 1 2 2 2 2 3 3 3 3
NOTE:
FIELD WIRE MOTOR
SPEEDS AS FOLLOWS: 1=LOW SPEED
2=MEDIUM SPEED
3=HIGH SPEED
MOTOR LEAD COLOURS:
RED LOW SPEED WHITE NEUTRAL
BLACK HIGH SPEED
BLUE MEDIUM SPEED
INTERLOCK
BMS
LINK
IF NOT
REQUIRED
BOX
FAN