York CIDH018B21S, Service Manual

Page: 114 / 186

(Cleaning Indoor Unit Heat Exchanger)
MAINTENANCE
4-40
SM-18001-rev.1
4.3.2 Cleaning Procedure
Spread a vinyl sheet over the floor to protect furniture, etc. from cleaning water before performing this work.
* Refer to Section 4.3.1 “Required Tools for Cleaning” for cleaning tools.
Step Procedure Required Tool
1 Remove the condensate pan according to Section 4.2.1.8, 4.2.2.8 and 4.2.3.8
"Removing Condensate Pan" and clean the condensate pan.
2 Remove the indoor fan motor and the fan runner assembly according to Section
4.2.1.3, 4.2.2.3 and 4.2.3.3 "Removing Fan and Fan Motor".
3 Removing Fan Fixing Plate
Top Plate
Side
Plate
Fan Fixing
Plate
* Phillips Screwdriver
Remove the screws fixing the fan
fixing plate and then pull out the fan
fixing plate downwards.
After removing the fan fixing plate, cover the lead
wire with a vinyl sheet to avoid cleaning water.
4 Removing Dust Clogged in
Heat Exchanger
Fins of Suction Side
Heat Exchanger
* Brush
* Bucket or
Paper Board Box
Scratch and remove the dust clogged in fins of the
suction side exchanger with a brush. Collect the dust
in a bucket.
TURN OFF all POWER supply switches.