Mitsubishi EHST20C-VM2C - 4. How to remove the control box

PHOTOS
81
Bracket (R)
DISASSEMBLY PROCEDURE
Photo 4-1
Photo 4-3
4. How to remove the control box
(1) Remove the front panel (Refer to Procedure 1).
(2)Disconnectonlytheleadwiresinthecontrolboxthat
connect to the components in the cylinder unit.
Photo4-2showsthecontrolboxbeforetherelatedlead
wiresaredisconnected.
(3)Removethe3screwsonthebracket(LandR)and
disengagethetabonthecontrolboxbracketfromthe
front frame (L). (Photo 4-1)
(4)Disengagethe2tabsonthecontrolboxbracket(R)from
the front frame (R). (Photo 4-1)
(5)Slightlyliftandpulloutthecontrolboxfromthecylinder
unitwhiletiltingthecontrolboxbackward.
<When swinging the control box to the front>
(2
) Removethe3screwsonthebracket(LandR).(Photo4-1)
(3)Disengagethetabonthecontrolboxbracket(L)from
thefrontframe(L)andpullthecontrolboxbyliftingthe
left-handsidetoswingthecontrolbox.(Photo4-3)
Note: Disconnect the field wiring as necessary.
ThephotosshownareoftheEHST20C-YM9Cmodel.
Controlbox
Front
frame (R)
Swing
Bracket (L)
Cable
clamps
Cable
strap
Photo 4-2
Screw
Front
frame (L)
ThephotosshownareoftheEHST20C-VM6Cmodelwith
optional immersion heater.
Screw
Control
box
Tab
Tab
Tab
Fastener
CN1A connector
CNV1
connector
CNPWM connector
CNP4
connector
CNP1
connector
Earth cable of
waterpump
(primary circuit)
Earth cable of
waterpump
(sanitary circuit)
Cable
strap
Screw
OCH570C