Use And Care Manual

whl-590 Rev. 003 Rel. 003 Date 3.22.18
43
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 Heater Pump Power Supply (Live)
4 IT Ignitor Power Supply
5 HEAT/CP2 External Pump
6 GV Gas Valve Power Supply
7 GROUND
8 N Power Supply (Neutral)
9-12 AC Power COM Line
CN6
LW6A4-03
1
CP2/3WAY
Solenoid Valve Power Supply (Live)
3 Solenoid Valve Power Supply (Neutral)
CN1
SMW250-05D
1
RS-485
RS-485 +
SELV (5V) DC
2 RS-485 -
3 -
4 RS-485 +
5 RS-485 -
CN4
LWD1140-06D
1
FAN
NOT USED
-
2 -
3 VDD SELV (14V) DC
4 Fan power (start coil)
SELV (8 - 26V) AC
5 Fan power (end coil)
6 Fan speed feedback signal
SELV (14V) DC
CN8
LWD1140-16
1
MCU ISP
GND
2 ISP / Reset Port
SELV (5V) DC3 ISP TOOL0 Data Port
4 VCC
CN11
LWD1140-16
1
HWL Water Leak Detection Sensor
SELV (14V~) AC
8
2
LWL Water Level Sensor
10
3
HD Heat Demand Switch (T/T) SELV (5V) DC
11
4
TH Display Control
SELV (14V) DC
12
5
Condensate APS Condensate Air Pressure Switch
13
6
Jumper Jumper -
14
7
BL Burner High Limit
SELV (14V) DC
15
8
HL Water Temperature High Limit
16
Table 20 - Water Heater Wiring 1