Ambirad AIRBLOC ACR Series, Instruction Manual, Page: 17 / 44

17
THERMAL
GND
GND
GND
GND
SENSOR
DOOR
BMS
DATA
GND
+12V
BASE UNIT
(located in air curtain)
230V 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
Terminal
Description Cable
N Neutral 4mm² max
L 3 phase supply 4mm² max
12V Supply to remote unit
DATA Supply to remote unit
GND 0v Terminal
DOOR option Door Contact
BMS option BMS switch
SENSOR option Internal/External Sensor
GND option 0v terminals
4.4 Installer Wiring - LPHW
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
Belden cable as shown. Max length 50m.
It is recommended that this control cable is run separately
within its own trunking to avoid external interference.
Door switch to be volt free and wired normally closed i.e.
broken when door is open.
External switch (ie BMS enable) to
be volt free and wired via normally
open contacts.
Internal/External sensor bead to be
wired low voltage.
Protection
External circuit breaker with the appropriate
rating should be installed for the protection
of the installation.