Si-71A
1. For FHYC71K
1.1
Removal of Switch Box Cover
Procedure
Step
1. Removing the cover from the
control PCB side
1
Loosen the 1 screw, and pull
the cover toward the inside
and pull it down.
2. Removing the cover from the
connection wire side
1
Remove 1 screw and loosen
the other screw. Pull the
cover toward the pipe, then
pull it down.
Removal Procedure
Warning
Be sure to turn off all power supplies before disassembling work.
Procedure
For FHYC71K
Points
∗Caution during installation
Set the thermistor base securely on
the rubber bushing.
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