User Guide
TECHNICAL BULLETIN
Models XM2 Rev. B Expansion Modules
TB-216
EWC Controls Inc. 385 Highway 33 Englishtown, NJ 07726 800-446-3110 FAX 732-446-5362 E-Mail- info@ewccontrols.com
Leave this bulletin on the job site for future reference!
The XM2 Expansion Module can
add up 2 or 4 zones on with 1 or 2
expansion modules with a
BMPlus Zone control system.
Compatible with any off the shelf
H e a t P u m p T h e r m o s t a t
(2heat/1cool). You may also use
any regular Heat/Cool thermostat
(1heat/1cool). You may still use
regular Heat/Cool thermostats to
control a Heat Pump system.
The XM2 Expansion features
automatic changeover from any
thermostat allowing for individual
zone comfort from the HVAC
system.
The STATUS LED pulses as a
steady heart beat to indicate active
Micro- processor status.
LEDs indicate which dampers are
open.
TEMPERATURE: -20° to 160°F (-29° to
71°C)
HUMIDITY: 0% - 95% RH Non-Condensing.
Zone
Capacity
Compatible
Thermostats
Automatic
Heat/Cool
Changeover
Status LED
Damper LEDs
Operating
Conditions
The advanced XM2 Expansion Module allows you to easily add additional zones to the BMPlus 3000
Zone Control System. You can gain up to 4 additional zones for a total of 7. The robust and superior
design, intuitive firmware, simple setup options, and easy to understand wiring, makes the BMPlus
Zoning system the Contractors dream. Combined with EWC motorized dampers and practically any off-
the-shelf thermostat, EWC Controls once again proves to be the innovative leader in the residential &
light commercial Forced Air Zoning industry.
Status LED
Damper LED’s
Rugged Damper
Motor Terminal
Blocks
Rugged
Thermostat
Terminal
Blocks
Rugged 10 Pin
Expansion Header
Model XM2 Expansion Module
P/N 090375A0216 REV. D
Copyright 2003-2008 EWC Controls Inc., All Rights Reserved ©
M6
M4
M2
M1
M6
M4
M2
M1
C
W/E
O/B
Y
R
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W
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CONTROLS INC.
4
R
R
1
2
R
3
R
R
6
5
R
R
17
J
1
16
R
R
15
14
R
13
R
12
R
R
11
10
R
23
R
21
R
R
19
37
R
22
R
R
20
18
R
27
R
26
R
25
R
R
24
R
28
29
R
30
R
7
D
5
D
6
D
D
4
3
D
2
D
1
D
C
1
3
C
>
<
0
A
A
0
<
>
2
1
U
5
U
3
U
1
STATUS
U
4
Y
1
K
1
+
K
2
1
Z
D
M
P
R
D
M
P
R
T
S
T
A
T
T
S
T
A
T
XM2
rev B
38
R
40
R
39
R
8
D
U
2
36
R
35
R
34
R
C
W/E
O/B
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G
Operating
Power
INPUT VOLTAGE: 19-30VAC 60
Hz, Supplied via bus cable from
BMPlus3000
CURRENT DRAW: Max 7VA @
24VAC.