Instruction manual

16
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-T3 L3 AC2-T3 AC1-T2 L2 AC2-T2 AC1-T1 L1 AC2-T1
Door
Switch
Sensor
screen
Pcb Terminal Description Cable
N Neutral 4mm² max
L1 3 phase supply 4mm² max
L2 3 phase supply 4mm² max
L3 3 phase supply 4mm² max
+12V Supply to remote unit
DATA Data to remote unit
GND(s) 0v Terminal
D1, D2 option door contact**
B1, B2 option External switch*
S1, S2 option internal/external Sensor***
Pcb Fuses Rating (A)
F1 T2A (slow blow)
F2 T3.15A (slow blow)
Cable
1.0mm
2
max
4.2 Installer Wiring - Electrically Heated 9 & 12kW 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 (ie BMS enable) to be volt free and wired via normally open contacts to terminal pair
B1, B2. (Contacts closed to enable). Remove factory fitted jumper J1.
** Door switch to be volt free and wired via terminal pair
D1 & D2 (Contacts closed to
enable door mode) refer section
10.1.3.2 - Door switch mode.
*** Internal/external sensor to be
wired to terminal pair S1 & S2.
refer section 10.1.3.1 - Auto mode.
F1
F2
Protection
External circuit breaker with the
appropriate rating should be installed for
the protection of the installation.
*
** ***