Mascot FT, Heating Only, Boiler
Page 53
4.21 Electrical Connections
Connector
Description HT SELV
#, Location, Type PIN Label
CN7
LWD1140-14
1
F.S Flame Detect Sensor SELV (5V)
8
2
OP.S Operating water temperature sensor SELV (5V)
9
3
DH.S Exhaust temperature sensor SELV (5V)
10
4
I.S
CH Return temperature sensor
SELV (5V)
11
5
BG.S
DHW temperature sensor or
Mechanical
aquastat connection
SELV (5V)
12
6
ST.S
System temperature sensor
SELV (5V)
13
7
SP.S CH over-heat temperature sensor SELV (5V)
14
CN3
SMW250-06D
1
APS
VCC SELV (5V)
2 GND SELV (5V)
3 Voltage input SELV (5V)
4-6 FLUX1 Unuse -
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