Mitsubishi EHPT20X-MHCW, Руководство по обслуживанию

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DISASSEMBLY PROCEDURE PHOTOS
85
8. How to remove the booster heater
(1) Remove the front panel (Refer to Procedure 1).
(2) Disconnect the CNBHT connector on the controller
board, and the booster heater lead wires wired to the
BHC1 (Lead wire No.1, No.2 and No.3) and BHC2
(Lead wire No.4, No.5 and No.6) contactors respectively
and release the lead wires from the fastener, the cable
clamp, the 2 cable straps, the coated clamp and the 3
bands. (Photos 8-1 and 10-1)
Note: Do not mix up the lead wire numbers when
re-connecting the lead wires to the contactors as
the lead wire numbers are different depending on
the models.
Model Lead wire No. Contactor
EHST20C-VM6C
EHST20C-VM6EC
EHPT20X-VM6C No.1 BHC1-U
No.2 BHC1-V
No.3 BHC2-U
No.4 BHC2-V
EHST20C-YM9C
EHST20C-TM9C
EHST20C-YM9EC
EHPT20X-YM9C
EHPT20X-TM9C
EHST20D-YM9C No.1 BHC1-U
No.2 BHC1-V
No.3 BHC1-W
No.4 BHC2-U
No.5 BHC2-V
No.6 BHC2-W
EHST20C-VM2C
EHST20C-VM2EC
EHST20D-VM2C
EHST20D-VM2EC
EHPT20X-VM2C
ERST20C-VM2C
ERST20D-VM2C No.1 BHC1-U
No.2 BHC1-V
Refer to 6. WIRING DIAGRAM
The photos shown are of the EHST20C-VM6C model.
Screw
Flare nut
Photo 8-1
Photo 8-2
Pipe (W.C. - B.H.)
Terminal
block (TB1)
Earth leakage circuit
breaker (ECB1)
Contactors
Control box Controller
board
CNBHT
connector
Gasket
(G1")
Heater stay
P-HEX
Booster heater
Screw
Quick connection of
inlet of booster heater
Quick connection
of outlet of P-HEX
Band and rubber
Pump valve
Nut
(G1")
Gasket
(G1")
Nut
(G1")
Continue to the next page.
No.1 No.2 No.3 No.4 No.5 No.6
Cable
clamp
Cable
strap
Front frame (L)
Screws
Screw
O-ring
O-ring
Pipe (B.H.-D.V.)
Band
DIV frame
Screws
Cushion
Pipe (to F.S.)
Quick connection
(upper F.S.)
OCH570C