9 Maintenance notes
Indoor cleaning
SMGB0137 rev.0 - 05/2021
291
9
Hang the cleaning water manifold from the indoor unit.
Tie the rope to the suspension bolts of the indoor unit and drop
downwards.
Insert the support bars into the holes in the water manifold.
Tie the rope to the support bar of the water manifold and hang the
manifold.
Connect a pipe to the boss and place the end inside the pipe.
Suspension bolt
Suspension bracket
Rope
Indoor unit
Cleaning water
collector
The water collector
should be located
20 to 30 mm higher
than the bottom of
the unit
Support bar
(Qty 8)
Boss
Hose
Bucket
Cleaning water
collector
Pour approximately 15 litres of cleaning product for the aluminium
fins into a supply tank.
Cleaning agent for
the aluminium fins
Insert the nozzle of the pressurised water gun into the hole in the
cleaning water manifold. Start the water pump and clean the heat
exchanger of any dust.
Adjust the pressure of the water pump in order not to damage the
fins.
After cleaning, spray and remove all remains of water.
1
After cleaning, fit the drain pan by lowering the rope.
2 Dry the remains of any water on the indoor unit.
3 Check the insulation of the drain pump using a megohmmeter.
Check that the insulation is above 1 MΩ when 500V are applied.
4 Connect the wiring.
5 Perform the neutralisation treatment after cleaning.
Cleaning
spray
Bucket
