York CIDH018B21S, Service Manual

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(Cleaning Indoor Unit Heat Exchanger)
MAINTENANCE
SM-18001-rev.1
4-39
4.3 Cleaning Indoor Unit Heat Exchanger
4.3.1 Required Tools for Cleaning
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 inches (25 to
35mm).
5 Hose for
Condensate Pan
Select a hose according to site
requirements.
6 Bucket Approx. 5 liters (Qty: 2)
7 Phillips
Screwdriver
Qty: 1
8 Nipper 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 inches
(30mm)