8
61000663 Iss 03
T1
T2
B2
D2
S2
S1
D1
B1
DATA
GND
+12V
BASE UNIT
(located in air curtain)
415V 50Hz
Mains Supply
Chassis
Earth
PROGRAM PANEL
(rear view shown)
External
Switch
J1
Remove link J1 for
external time switch
DATA
GND
+12V
F1
F2
F3
N
N
AC1-T
3
L3
AC2-T
3
AC1-T
2
L2
AC2-T
2
AC1-T
1
L1
AC2-T
1
Door
Switch
Sensor
screen
Contractors
Terminal
Terminal
Description
Cable
N
Neutral
6mm² max
L1
3 phase supply
6mm² max
L2
3 phase supply
6mm² max
L3
3 phase supply
6mm² max
Pcb Terminal
Description
Cable
+12V
Supply to remote unit
Cable
1.0mm
2
max
DATA
Data to remote unit
GND(s)
0v Terminal
D1, D2
Option door contact
B1, B2
Option BMS switch
S1, S2
Option internal/external sensor
Pcb Fuses
Rating (A)
F1
T2A (slow blow)
F2
T3.15A (slow blow)
Protection
External circuit breaker with the appropriate
rating should be installed for the protection
of the installation.
4.2 Installer Wiring - Electrically Heated 18kW THREE PHASE ONLY
The program panel is connected to the base unit via a set of 3 way connectors marked "+12V”, “DATA”
and “GND". Interconnecting wiring is via screened twisted pair 28AWG as shown.
Max length 50m.
It is
recommended that this cable is run separately within its own trunking to avoid external interference.
* External switch
(i.e. BMS enable) to be volt free and wired via normally open contacts to termi-
nal pair, B1 and B2 (contacts closed to enable). Remove factory fitted jumper J1.
** Door switch
to be volt free and wired via terminal pair,
D1 and D2 (contacts closed to ena-
ble door mode). Refer section
10.1.3.2 - Door switch mode.
*** Internal/external
sensor to be
wired to terminal pair, S1 and S2.
Refer section 10.1.3.1 - Auto mode.
F1
F2
**
***