Cleaning Indoor Unit Heat Exchanger; Required Tools For Cleaning - Hitachi RAI-50PPD Service Manual

1.2 Cleaning Indoor Unit Heat Exchanger
1.2.1 Required Tools for Cleaning
No.
1 Cleaning Water Pump
A water pump equipped with
a tank is recommended.
17 Cleaning Water Collector
Transparent
Vinyl Sheet
Remark
Insert the bar.
Boss
Hose

(Cleaning Indoor Unit Heat Exchanger)

No. Tool
2 Water Tank
Clean Water
3 Nozzle
4 Brush
(non-metal)
5 Hose for
Water Pan
6 Bucket
7 Phillips
Screwdriver
8 Nipper
9 Adjustable
Wrench
10 Megohm Tester
11 Cleaning Agent
12 Spray
13 Tape with
Adhesive
14 Rope
15 Vinyl Sheet
16 Gloves
Insert
the bar.
Inner Side of f120 hole should
be covered with felt sheet to
insert the spray nozzle.
97
SERVICING
Remark
Approx. 18 liters
Attached with Water Pump
If the heat exchanger is heavily
clogged with dust, remove it with
this brush. The length of brush
should be 25 to 35mm.
Select a hose according to site
requirements.
2 Nos. for 5 liters
1 No.
1 No.
1 No.
500V
Select a neutral type cleaning
agent.
To spray cleaning water.
To fix the vinyl sheet to protect
the room from cleaning water.
1m, 4 pieces
Select a vinyl sheet with
0.5mm thickness.
Bar