Mitsubishi Electric EHWT17D-MHEDW, Data Book

Page: 100 / 131

Refer to the
installation
manual of the
ATW unit for
the front panel
removal.
Disconnect the relay
connector connecting from
the main remote controller
under the electrical box.
Remove the front panel.
Dispose of the
blanking plate and
the gasket.
Make sure that no water is
in the tank before installing
the immersion heater.
Remove the back nut with
the tool . Remove and
dispose of the blanking
plate and the gasket.
Adjust the position of the immersion
heater so that the thermostat pockets are
located at the upper right and lower left
as shown in the figure. Fasten the back
nut securely to prevent water leakage.
(Recommended torque = 10 N•m)
Assemble and securely.
Attach the tab cover to the immersion heater.
Insert the thermostat into the upper right
thermostat pocket.
Position the terminals on the thermostat head
at the bottom as shown in the figure.
Screw positions
Recommended torque = 1.5 N•m
Fasten the earth leakage
breaker and the relay
on the electrical box as
shown in the figure.
Attach the label on the
electrical box. Place it above
the earth leakage breaker
and align the vertical centers
as shown in the figure.
Attach the
label on the
electrical box.
Place it above
the relay
and align the
vertical centers
as shown in
the figure.
Connector CNIH
Recommended torque = 1 N•m
A2
A1
Recommended torque = 1.5 N•m
1 2 3
4 5 6
7 8 9
<ATW unit>
Optional parts
D-29
Immersion Heater
3
Optional parts