Laars FT Series Installation And Operation Instructions Manual page 54
Wall-mounted, modulating gas, condensing, heating only, boiler
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Also See for FT Series:
- Installation and operation instructions manual (100 pages) ,
- Instructions manual (32 pages) ,
- User manual (13 pages)
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Page 54
4.21 Electrical Connections (continued)
Connector
#, Location, Type
CN7
LWD1140-14
CN3
SMW250-06D
PIN
Label
1
F.S
Flame Detect Sensor
8
2
OP.S
Operating water temperature sensor
9
3
DH.S
Exhaust temperature sensor
10
4
I.S
CH Return temperature sensor
11
DHW temperature sensor or
5
BG.S
Mechanical
12
aquastat connection
6
System temperature sensor
ST.S
13
7
SP.S
CH over-heat temperature sensor
14
1
VCC
2
APS
GND
3
Voltage input
4-6
FLUX1
Unuse
Description
HT SELV
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
-
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