Westinghouse Premium WGRT 199 Series Installation, Start-Up, Maintenance, Parts, Warranty page 45

No. of Location
CN9
65001WS-12
CN1
SMW250-03
CN4
LWD1140-06
CN8
LWD250-04
CN11
Table 23 - Water Heater Wiring 1
Connector
Pin Board Silk
1
2
3 CP1
4
5 L/HT
6
7
8
9-12
1
2 RS-485
3
1
2
3
FAN
4
5
6
1
2
MCU ISP
3
4
1
HWL
8
2
LWL
10
3
11
4
12
5
Condensate APS
13
6
Flue APS
14
7
15
8
16
Description
- UNUSED
L Power Supply Line
UNUSED
IT Ignitor Power Supply
Ceramic Heater (Freeze Protection)
GV Gas Valve Power Supply
GROUND
N Power Supply (Neutral)
AC Power COM Line
RS-485 +
GND
RS-485 -
UNUSED
GND
VDD
Fan power (start coil)
Fan power (end coil)
Fan speed feedback signal
GND
ISP / Reset Port
ISP TOOL0 Data Port
VCC
UNUSED
Water Leak Sensor (150 Model Only)
HD UNUSED
Connect to the Display Control
TH
(Thermostat)
Condensate Air Pressure Switch
Flue Air Pressure Switch
BL Burner High Limit
HL Water Temperature High Limit
HT Selv
-
HT (120V~)
SELV (5V)
-
SELV (30V)
SELV (14V)
SELV (30V)
SELV (14V)
SELV (5V) DC
-
SELV (14V) DC
whl-004 Rev. 000 Rel. 013 Date 5.1.18
45