CONNECTOR
NO. OF LOCATION
CN3
SMW250-06
CN5
SMW250-10
Table 23 – Water Heater Wiring 2
PIN
BOARD SILK
1
OPB
2
3
4
5
FLUX1
6
1
RPM
2
DESCRIPTION
Optional Push Button
Unused
VCC
Water Flow Sensor
GND
Fan RPM Check
GND
56
HT SELV
SELV(5V)
SELV (5V)
AP18733 REV. 3.2.17