3.1 Installation Instruction
3.2 Power Cord Installation
Check the capacity of power circuit;
Power cord installation;
Water heater installation;
Plumbing connection;
Power supply connection;
①
②
③
④
⑤
Water Supply.
Step 1 Step 2
⑥
3. UNIT INSTALLATION
Remove the screws at the bottom of the unit. Lift
up the Main Switch Knob and Power Knob to
make it free. Remove the front plate gently.
Remove the power cord wire pressing plate and
keep the screws.
5
WIRING DIAGRAM FOR MWH-38P5
Indicator Light
And
Key Board
Thermal Cut Out
L
N
E
Red
Blue
Yellow/Green
Temperature
Adjusting Board
Heating Elements
Silicon Control
Main Control Board
Relay
Relay
Flow Sensor
Temperature Sensor
Terminal Block
ELCB
CN1
CN3
CN5
PE
CN2
CN1
CN2
G
T1
T2