MAINTENANCE
SM-18003
4-17
4.3 Cleaning Indoor Unit Heat Exchanger
4.3.1 Required Tools for Cleaning (Field Supplied)
No.
Remark
No.
Tool
Remark
1
Cleaning Water Pump
A water pump equipped with
a tank is recommended.
2
Water Tank
Clean Water
Approx. 18 liters
3
Nozzle
Attached with Water Pump
4
Brush
(non-metal)
If the heat exchanger is heavily
clogged with dust, remove it with
this brush. The length of brush
should be 1 to 1-3/8 inch (25 to
35mm).
5
Hose for
Drain Pan
Select a hose according to site
requirements.
6
Bucket
Approx. 5 liters (Qty: 2)
7
Phillips
Screwdriver
Qty: 1
8
Pliers
Qty: 1
9
Adjustable
Wrench
Qty: 1
10
Megohm Tester
500V
11
Cleaning Agent
Select a neutral type cleaning
agent.
12
Spray
To spray cleaning water.
13
Adhesive Tape
To tape the vinyl sheet to protect
the room from cleaning water.
14
Rope
3ft 7in. (1m), four pieces
15
Vinyl Sheet
Select a vinyl sheet with
1/6 inch (0.5mm) thickness.
16
Gloves
17
Cleaning Water Collector or Equivalent
Inner Side of
f
4-3/4 (
f
120) hole should
be covered with felt sheet to
insert the spray nozzle.
Insert
the bar.
Insert the bar.
Transparent
Vinyl Sheet
Boss
Hose
47-1/4
(1200)
47-1/4
(1200)
Bar
f
4-3/
4
(120)
7-7/
8
(200
)
39-3/8 (1000)
Example:
Unit: inch (mm)
1-3/8 inch
(30mm)
Summary of Contents for CICM008B21S
Page 2: ......
Page 10: ...viii SM 18003 ...
Page 15: ...SM 18003 1 1 INSTALLATION 1 Installation ...
Page 19: ...SM 18003 2 1 OPERATION 2 Operation ...
Page 20: ...2 2 SM 18003 OPERATION 2 1 Indoor Unit Refer to the Operation Manual for Mini Cassette ...
Page 22: ......
Page 23: ...SM 18003 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Page 73: ...MAINTENANCE SM 18003 4 1 4 Maintenance ...
Page 138: ......
Page 139: ...SM 18003 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Page 148: ...6 10 SM 18003 FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A f t 3 l b ...
Page 149: ...SERVICE PARTS LIST SM 18003 7 1 7 Service Parts List ...
Page 150: ...SERVICE PARTS LIST 7 2 SM 18003 Refer to the Service Parts List for Mini Cassette ...
Page 151: ......
Page 152: ... 2018 Johnson Controls Inc SM 18003 Code No LIT 12013034 Issued April 2018 ...