whl-648 Rev. 001 Rel. 003 Date 10.8.19
43
Connector
Description
HT SELV
No. of Location
Pin
Board Silk
CN7
LWD1140-14
1
F.S
Flame Sensor
SELV (5V)
8
2
OP.S
Operating Water Temperature Sensor
9
3
DH.S
DHW Temperature Sensor
10
4
I.S
NOT USED
11
5
BG.S
Exhaust Temperature Sensor
12
6
ST.S
NOT USED
13
7
SP.S
Overheat 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
DHW Stepper Motor Coil / X Phase
8
DHM Power IWM Stepper Motor Coil
/ Y Phase
9
NOT USED
-
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 - Boiler Wiring 2
Figure 35 - Terminal Block Wiring Detail
Содержание WBRC 140 Series
Страница 21: ...whl 648 Rev 001 Rel 003 Date 10 8 19 21 E Applications Figure 10 Piping Symbol Legend ...
Страница 40: ...whl 648 Rev 001 Rel 003 Date 10 8 19 40 Figure 33 Electrical Wiring Diagram ...
Страница 41: ...whl 648 Rev 001 Rel 003 Date 10 8 19 41 Figure 34 Ladder Diagram ...
Страница 81: ...whl 648 Rev 001 Rel 003 Date 10 8 19 81 Notes ...
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Страница 83: ...whl 648 Rev 001 Rel 003 Date 10 8 19 83 This Page Intentionally Left Blank ...