How To Remove The Flow Sensor - Mitsubishi Electric EHSE-YM9EC Service Manual

DISASSEMBLY PROCEDURE

6. How to remove the flow sensor

(1) Remove the front panel. (Refer to Procedure 1.)
(2) D isconnect the CN1A connector on the controller board.
(Photo 6-1)
(3) Release the flow sensor lead wire from the cable clamp,
the 2 cable straps and feed the lead wire out the control
box without putting strain on the CN1A connector.
(Photo 6-1)
(4) S wing the control box to the front. (Refer to Procedure 4.)
(5) Remove the elbow joint by detaching the different
diameter quick connection. (Photo 6-2)
• R efer to page 70 for how to attach and detach the
different diameter quick connection.
(6) Remove the flow sensor by detaching the same diameter
quick connection. (Photo 6-3)
• When reinstalling the same diameter quick connection,
use a new O-ring. (Photo 6-4)
• Apply grease on the O-ring using a plastic bag, etc.
(Refer to Photo 14-4 on page 70.)
• Set the flow sensor in the orientation of the arrow
printed on the flow sensor and in the way that the
sensor part faces to the front. (Photo 6-3)
Photo 6-4
OCH590B
Photo 6-1
Photo 6-2
Photo 6-3
O-ring
61
PHOTOS
Cable strap
O-ring
Flow sensor
Same diameter
O-ring
quick connection
CN1A
connector
Lead wire
Cable
clamp
Different diameter
quick connection
Same diameter
quick connection
O-ring
Sensor part