Wiring diagrams
page 1
1. Wiring diagram
Wiring diagram for BL with LCD display
Electrical Wiring Diagram of SWD-78EHL-SL
Hot water sensor 2
Cold water sensor
Hot water sensor 1
Heating
Cooling
Co
ol
in
g
Re
la
y
He
at
ing
Tr
ia
c
N
E
L
A
C
14
V
Main control board
Door switch sensor
Pump
Water level sensor
~
M
Dry-burn
thermostat
(autoreset)
Temperature
fuse
C
om
pre
ss
or
Heater
Driver board
MCU
LCD
Ozonator
Water flow sensor