Mitsubishi Electric EHPT20Q-VM2EA Service Manual page 75

DISASSEMBLY PROCEDURE
16. How to remove the booster heater
< booster heater >
(1) Remove the front panel.
(2) Disconnect the CNBHT connector on the controller
board , and the booster heater lead wires wired to the
BHC2 contactor respectively and release the lead wires
from the quick connection, the cable clamp , the cable
strap , the coated clamp and the band.(Photo 16-1,16-
2,16-3,16-4 and 16-5)
(3) Open the pressure relief valve cap and lower the
tank internal pressure.(Photo 16-6)
Photo 16-2 (Larger scale of the A part)
CNBHT
connector
Photo 16-3
cable clamp
Photo 16-4
cable
clamps
GCH15010
Photo 16-1
cable
clamps
Photo 16-5
Photo 16-6
pressure relief
valve cap
75
PHOTOS
A
BHC2 contactor
cable clamp