BACwALL 324
Specification & Installation instructions
BACwALL specification & installation sheet // 120412
2
Mounting Instructions
A
E
D
C
B
CAUTION: Risk of malfunction. Remove power prior to separate thermostat cover from its base.
A. Remove the screw (captive) holding the base and the front cover of the thermostat.
B. Lift the front cover of the thermostat to separate it from the base.
C. Pull wire through the base hole.
D. Secure the base to the wall using wall anchors and screws (supplied). Make the appropriate connections.
E. Mount the control module on the base and secure using the screw.
Terminal description
Terminals
BACwALL 324
TB1
1
Common
2
Common
3
Common
4
24 VAC
5
24 VAC
6
Binary output 1 (BO1)
7
Common (BO1 & BO2)
8
Binary output 2 (BO2)
9
Binary output 3 (BO3)
10
Common (BO3 & BO4)
11
Binary output 4 (BO4)
12
Analog input 1 (AI1)
13
Analog input 2 (AI2)
14
Analog input 3 (AI3)
15
Analog output 1 (AO1)
16
Analog output 2 (AO2)
17
A+
Communication port RS 485
18
B-
Settings on PC Board
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
Connecting
strip TB1
TB1
Reserved
O
N
1
2
3
DS1
Temperature sensor
Analog input
Dip switch
DS2
O
N
1
2
3
4
5
6
J
P
1
24VAC
J
P
2
24VAC
RS-485
Dip switch
O
N
1
2
3
DS3
Digital output signal selection
(JP1 for BO3 & BO4 - JP2 for BO1 & BO2)
RS-485 dip switch (DS3)
24VAC
Jumper on 24VAC: All digital output
signal is linked to 24 vac. (source)
BO COM
Jumper on TRIAC COM: All digital
output signal is linked to BO com. (sink)
Analog input dip switch (DS2)
Recycling at end of life
At end of life, please return the thermostat to your Strato Automation local distributor for recycling. If you need to find the nearest
Strato Automation authorized distributor, please consult www.stratoautomation.com.
1
2
3
Reserved
120 ohm termination (Last node)
Reserved
O
N
