(Cleaning Indoor Unit Heat Exchanger)
MAINTENANCE
SM-18001-rev.1
4-41
Step
Procedure
Required Tool
5
Protection from
Cleaning Water
Vinyl Sheet
Heat Exchanger
Discharge Sheet
Suction Sheet
* Vinyl Sheet
* Adhesive Tape
* Cutter
Cover the discharge side of the heat exchanger with
a vinyl sheet to protect the insulation materials inside
the unit from cleaning water. Seal the vinyl sheet
properly so as to make no gaps with the adhesive
tape.
NOTE:
Perform the work by wearing gloves to prevent any
injuries from touching the fins of the heat exchanger.
Attach the vinyl sheet to protect the insulation
materials from the cleaning water. (A transparent
board is also applicable instead of the vinyl sheet.)
6
Attaching Cleaning
Water Pan
Cleaning Water
Collector
Boss
Hose
Indoor Unit
Suspension
Bracket
Rope
Metal Bar
Bucket
Hang a cleaning water collector from the indoor unit.
(1) Attach ropes to the indoor unit.
(2) Put the metal bars through the holes of the
cleaning water collector.
(3) Attach the ropes to the four bars of the cleaning
water collector and suspend the cleaning water
collector.
(4) Attach the hose to the boss of the cleaning
water collector and set the bucket at the end of
the hose.
7
Spraying the Cleaning
Water
Spray the cleaning water over the fins of the heat
exchanger.
* Cleaning Agent
Summary of Contents for CIDH018B21S
Page 2: ......
Page 10: ...viii SM 18001 rev 1...
Page 15: ...SM 18001 rev 1 1 1 INSTALLATION 1 Installation...
Page 19: ...SM 18001 rev 1 2 1 OPERATION 2 Operation...
Page 22: ......
Page 23: ...SM 18001 rev 1 3 1 TROUBLESHOOTING 3 Troubleshooting...
Page 75: ...MAINTENANCE SM 18001 rev 1 4 1 4 Maintenance...
Page 130: ......
Page 172: ......
Page 173: ...SM 18001 rev 1 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions...
Page 182: ...6 10 SM 18001 rev 1 FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A f t 3 l b...
Page 183: ...SERVICE PARTS LIST SM 18001 rev 1 7 1 7 Service Parts List...
Page 185: ......
Page 186: ...2018 Johnson Controls Inc SM 18001 rev 1 Code No LIT 12013047 Revised February 2019...