STRATO BACwALL 324 User manual
High performance wall controll
er
Specification & Installation instructions
BACwALL specification & installation sheet // 120412
1
Technical Data
BACwALL 324
Power supply
22..26 VAC 50/60Hz
Input
3 Analog universal (0..3.3VDC or 0..10VDC or thermistor or digital input dry contact)
Output
2 Analog outputs 0..10VDC (2500Ωimpedance min.)
4 binary triac (on/off, pulse 0 or 24 VAC, 0.350 A max.),
Sink or source with protection
Power consumption
1.2 VA without output loading or 35 VA max.
Set point range
10ºC..35ºC [50ºF..95ºF]
Control accuracy
Temperature: +/-0.2ºC [0.4ºF]
Electrical connection
0.8 mm
2
[16 AWG] maximum
Operating temperature
0ºC..50ºC [32ºF..122ºF]
Storage temperature
-30ºC..+50ºC [-22ºF..+122ºF]
Relative Humidity
10..90 % non condensing
Degree of protection of housing
IP 30 to (EN 60529)
Weight
150.5 g. [0.33 lb]
Presentation
C
F
%RH
MO T U E TH FR SA SU
AM PM
.
.
.
.
Symbols on display
Cooling ON
33, 66, 100% output
A: Automatic
Communication
Status Morning
Heating ON
33, 66, 100% output
A: Automatic Menu set-up Lock Day
Humidify/Dehumidify
33, 66, 100% output
A: Automatic Programming mode
(Technician setting)
Evening
Fan ON
3
rd
speed activated
A: Automatic Alarm Status Night
C
or
F
ºC: Celsius scale
ºF: Fahrenheit scale
%RH
Percentage of
humidity
AM PM
Morning
Afternoon
MO TU WE TH FR SA SU
Day of the week
Dimensions
A
B
C
D
E
Dimension
Inches
Metric (mm)
A
2.85 73
B
4.85 123
C
1.00 24
D
2.36 60
E
3.27 83
Feature
s
:
•Attractive modern look with large LCD and backlight
•Icons driven information and 1 line of text information
•Selectable analog and digital input/output
•Selectable Fahrenheit or Celsius scale
•Manual Night Set Back override
•Totally programmable
•Fully versatile
•Real time clock
•Powerful application flexibility
•Operates stand alone
•USB plug for portable device convenience
•BACnet® MS/TP @ 9600, 19200, 38400, 76800, 115200bps
•Selectable device Instance and MAC Address
BACwALL 324
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 10 11 12 13 14 15 16 17 18
Connecting
strip TB1
TB1
Reserved
ON
1 2 3
DS1
Temperature sensor
Analog input
Dip switch
DS2
ON
1 2 3 4 5 6
JP1
24VAC
JP2
24VAC
RS-485
Dip switch
ON
1 2 3
DS3
Digital output signal selection
(JP1 for BO3 & BO4 - JP2 for BO1 & BO2)
RS
-
485
dip switch (DS
3
)
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 terminatio
n (Last node)
Reserved
O
N
