Specifications

Logamax plus GB142 applications manual | 01.2012 Technical specifi cations are subject to change without prior notice
GB142 Applications Manual
| 23
2.6.3 MCM10 Electrical Connection Diagram
120V
PE N
L
120V
PE N
L
PE N
L
NO C
NC
120
VAC
12
3456789101112
-
+
0 .... 10V
13 14
15 16
17 18
19 20
21 22
23 24
120V
PE N
L
120V
PE N
L
PE N
L
NO C
NC
YELYEL GRN RED
12
3456789101112
-
+
0 .... 10V
GRN
WHT ORG
BLU
RED
BRN
13 14
15 16
17 18
19 20
21 22
23 24
WHT
WHT
WHT
WHT
GRY BLK
Input Mains
Supply
Output Mains
Supply to
following
MCM10,
MM10, SM10
WM10
System
Pump
- use only
with AM10.
Alarm output
dry contact
NO/NC
System
supply
temperature
sensor
- use only in
combination
with AM10
Outdoor
Temperature
Sensor
- use only in
combination
with RC35
External
safety
disconnect
(safeguard)
Dry contact
heat demand
input
0 - 10 Volt
heat
demand
input
MM10, WM10,
SM10 &
continue to
modulating
control AM10
or RC35
Communication
between this
MCM10 and
previous
MCM10
Communication
between this
MCM10 and
following
MCM10
Boiler 1
Printed
Circuit
Board
Low voltage
Line voltage
Boiler 2 Boiler 3
Boiler 4
Jumper for
output power
or temperature
control with
0-10V
input 9/10.
Fig.18 MCM10 connection diagram