48
WHL-015 REV. 1.13.17
CONNECTOR
DESCRIPTION
HT SELV
NO. OF LOCATION
PIN
BOARD SILK
CN7
LWD1140-14
1
F.S
Flame Detect Sensor
SELV (5V)
8
2
OP.S
Operating Water Temperature Sensor
9
3
DH.S
DHW Temperature Sensor
10
4
I.S
Return Water Temperature Sensor
11
5
BG.S
Exhaust Temperature Sensor
12
6
ST.S
Storage Temperature Sensor
13
7
SP.S
CH Over-Heat Temperature Sensor
14
CN14
SMW250-09
1
DHM
GND
SELV (14V)
2
DHM Stepper Motor Position
3
VDD
4
DHM Stepper Motor Coil X Phase
5
DHM Stepper Motor Coil Y Phase
6
VDD
7
DHM Stepper Motor Coil / X Phase
8
DHM Power IWM Stepper Motor Coil / Y
Phase
9
Unused
-
CN3
SMW250-06
4
FLUX1
VCC
SELV (5V)
5
Water Flow Sensor
6
GND
CN5
SMW250-10
1
RPM
Fan RPM Check
2
GND
Table 22
– Appliance Wiring 2
Figure 33
– 140F Terminal Block Wiring Detail
Summary of Contents for WBRC 140F Series
Page 2: ...2 WHL 015 REV 1 13 17 ...
Page 43: ...43 WHL 015 REV 1 13 17 Figure 29 140F Model Electrical Wiring Diagram ...
Page 44: ...44 WHL 015 REV 1 13 17 Figure 30 140F Model Ladder Diagram ...
Page 45: ...45 WHL 015 REV 1 13 17 Figure 31 199F Model Electrical Wiring Diagram ...
Page 46: ...46 WHL 015 REV 1 13 17 Figure 32 199F Model Ladder Diagram ...