Westinghouse WBRC 140F Series Installation & Start-Up Instructions page 48

CONNECTOR
NO. OF LOCATION
CN7
LWD1140-14
CN14
SMW250-09
CN3
SMW250-06
CN5
SMW250-10
Table 22 – Appliance Wiring 2
PIN BOARD SILK
1
F.S
8
2
OP.S
9
3
DH.S
10
4
I.S
11
5
BG.S
12
6
ST.S
13
7
SP.S
14
1
2
3
4
5
DHM
6
7
8
9
4
5 FLUX1
6
1
RPM
2
Figure 33 – 140F Terminal Block Wiring Detail
DESCRIPTION
Flame Detect Sensor
Operating Water Temperature Sensor
DHW Temperature Sensor
Return Water Temperature Sensor
Exhaust Temperature Sensor
Storage Temperature Sensor
CH Over-Heat Temperature Sensor
GND
DHM Stepper Motor Position
VDD
DHM Stepper Motor Coil X Phase
DHM Stepper Motor Coil Y Phase
VDD
DHM Stepper Motor Coil / X Phase
DHM Power IWM Stepper Motor Coil / Y
Phase
Unused
VCC
Water Flow Sensor
GND
Fan RPM Check
GND
48
HT SELV
SELV (5V)
SELV (14V)
-
SELV (5V)
WHL-015 REV. 1.13.17