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whl-648 Rev. 001 Rel. 003 Date 10.8.19
42
Connector
Description
HT Selv
No. of Location
Pin
Board Silk
CN9
65001WS-12
1
GROUND
HT (120V~) AC
2
L
Power Supply Line
3
CP1
External CH Pump Power Supply (Live)
4
IT
Ignitor Power Supply
5
L/(HT)
Internal Pump Power Supply (Live)
6
GV
Gas Valve Power Supply
7
-
8
N
Power Supply (Neutral)
9-12
AC Power COM Line
CN6
LW6A4-03
1
CP2/3WAY
3 Way Valve
3
CN1
SMW250-03
1
RS-485
RS-485 +
SELV (5V) DC
2
GND
3
RS-485 -
CN4
LWD1140-06
1
FAN
NOT USED
-
2
GND
SELV (14V) DC
3
VDD
4
Fan power (start coil)
SELV (8 - 26.5V) AC
5
Fan power (end coil)
6
Fan speed feedback signal
SELV (14V) DC
CN8
SMW250-04
1
MCU ISP
GND
SELV (5V) DC
2
ISP / Reset Port
3
ISP TOOL0 Data Port
4
VCC
CN11
LWD1140-16
1
HWL
NOT USED
SELV (12V~) AC
8
2
LWL
Low Water Level Sensor
10
3
HD
Central Heating Demand (T/T)
SELV (5V) DC
11
4
TH
Display Control
SELV (14V) DC
12
5
APS
Flue Air Pressure Switch
13
6
EL
NOT USED
14
7
BL
Burner High Limit
15
8
HL
Condensate Air Pressure Switch
16
Table 21 - Boiler Wiring 1
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 ...
Страница 82: ...whl 648 Rev 001 Rel 003 Date 10 8 19 82 This Page Intentionally Left Blank ...
Страница 83: ...whl 648 Rev 001 Rel 003 Date 10 8 19 83 This Page Intentionally Left Blank ...