LAARS X-BAC BACnet Interface Module - Install and Operating Manual User Manual
X-bac, Bacnet interface module, Installation and operation manual
Document 4233
Adds BACnet MSTP Capability
to Laars M4-LHS Controls
X-BAC
BACnet Interface Module
BACnet Interface Module
MSTP
1
2
3
A GND B
PRODUCT
COMM
RS485
X-BAC
A
B
C
D
1 2
RUN
PROGRAM
DO NOT APPLY ANY VOLTAGE
TO INPUT TERMINALS
3 4 5 6 7 8 9 10 11 12
13
15
14
17
16
18
20
19
21
24
23
29
25
27
26
28
32
30 31
L N
-
+
+
T
T
O
O
RS-485
mA
GND
VLT
SYS
A
B
C
D
PWR
CUR / VLT
A
-
+
+
mA
GND
VLT
-
+
+
mA
GND
VLT
+
+
mA
22
-
GND
VLT
+
mA
TEMP
OUTDOOR
O
O
TEMP
SYSTEM
EXTENSION
MODULE
CUR / VLT
B
CUR / VLT
C
CUR / VLT
D
PROVE
/DHW
SHUTDOWN
/SETBACK
FOR ALL CIRCUITS
120VAC, 6A RESISTIVE
OUTPUT RATINGS:
1A PILOT DUTY, 15A TOTAL
115VAC 60Hz , 30VA MAX
INPUT RATINGS:
USE COPPER WIRE,
CLASS 1 WIRE ONLY.
CAUTION: RISK OF ELECTRIC SHOCK
More than one disconnect switch may be required
to de-energize the equipment before servicing.
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT
99RA
/TSTAT
M4-LHS
HYBRID CONTROL
RJ45 Communication Cable
A (+)
Ground
B (-)
To BACnet
MSTP
Installation and Operation Manual
HT#
059294-00
B
WArnIng
This control is strictly an operating control; it should never be
used as a primary limit or safety control. All equipment must have
its own certified limit and safety controls required by local codes.
The installer must verify proper operation and correct any safety
problems prior to the installation of this control.