Laars MASCOT FT MFTCW Installation And Operation Instructions Manual page 49

Mascot FT Combination Boiler
SECTION 4. Installation
4.22 Electrical Connections
Connector
#, Location, Type
CN7
LWD1140-14
CN14
SMW250-09D
CN3
SMW250-06D
CN5
SMW250-10D
PIN Label
1
F.S Flame Detect Sensor
8
2
OP.S Operating water temperature sensor
9
3
DH.S DHW temperature sensor
10
4
I.S
Return temperature sensor
11
5
BG.S Venting (Exhaust) temperature sensor
12
6
ST.S Not Used
13
7
SP.S Over-Heat temperature sensor
14
1 GND
2 DHM Stepper motor position
3 VDD
4 DHM Stepper motor coil X phase
5 DHM Stepper motor coil Y phase
DHM
6 VDD
7 DHM Stepper motor coil /X phase
8
DHM power IWM Stepper motor coil /Y phase
9 Unuse
1 VCC
APS
2 GND
SENSOR
3 Voltage Input
4 VCC
5 FLUX1 Water Flow Sensor
6 GND
1 FAN RPM Check
RPM
2 GND
Description
Page 47
HT SELV
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (14V)
SELV (14V)
SELV (14V)
SELV (14V)
SELV (14V)
SELV (14V)
SELV (14V)
SELV (14V)
-
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)
SELV (5V)