12.1.2 Indoor heat exchanger cleaning
¿ Cleaning tools
C A U T I O N
Before starting any of the servicing work described in this chapter, turn off all main switches and fit safety locks
or warnings to prevent them from being accidentally switched on.
Necessary cleaning tools
The necessary cleaning tools for all indoor units are described below.
Number Tool Remarks
1
Water pump for cleaning
Use of a water pump equipped with a tank is
recommended
2 Cleaning water tank Approximately 18 litres
3 Nozzle —
4
Brush (non-metal)
If the heat exchanger is very blocked with dust,
clean with a brush. The brush must be 25 to 35
mm in length.
5 Water pan pipe
Select a pipe in line with the installation
requirements.
6 Bucket 2 to 5 litres
7 Philips screwdriver 1
8 Tweezers 1
9 Adjustable wrench 1
10 Megohmmeter It should withstand 500V
11 Cleaning product Use a neutral cleaning product.
12 Pressurised water gun To apply the cleaning water
13 Adhesive tape
To secure the vinyl sheeting so that the room is
protected from the cleaning water
14 Rope 4 ropes measuring 1 m
15 Vinyl sheeting Use vinyl sheeting that is 0.5 mm in thickness
16 Gloves —
12 Maintenance notes
384
SMGB0063 rev. 1 - 10/2010
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