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[ IX Troubleshooting ]
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HWE0803A GB
5. LEV
6. Solenoid valve
Work procedure Explanatory figure
(1) Remove the service panel.(Refer to (1)-1.2.3.)
(2) Replace the LEV in trouble.
Secure enough service space in the ceiling for welding
operation, and conduct the work carefully.If required,
dismount the unit from the ceiling, and conduct the work.
*Special care must be taken when replacing heavy parts.
Work procedure Explanatory figure
(1) Remove the service panel.(Refer to (1)-1.2.3.)
(2) Remove the connector of the solenoid valve in trou-
ble.
(3) Remove the solenoid valve coil.
1) The coils on the solenoid valves SVA, SVB, SVM1 and
SVM2 can be serviced through the inspection door. SVC
is accessible for replacement by removing the four
mounting screws on the rear panel and removing the
panel (if enough space is available on the back). (SVM1
is present only on the G and GA types, SVM2 on the GA
type.)
LEV3
LEV1
LEV2
SVM2
SVM2b
CMB-1016NU-G
Double-pipe heat exchanger
CMB-1016NU-GA
Solenoid valve