2-130
SERVICING
(2.11 Cleaning Indoor Unit Heat Exchanger)
TURN OFF all power source switches.
(8) After checking that no power is supplied, connect the drain pipe and remove the insulation tape for
the wiring connectors and then mount the front cover correctly.
(9) Check the insulation of the terminal board in the electrical box.
If the insulation is greater than 1MΩ
by a 500 Megohm-meter, it is normal.
(10) Neutralization Treatment after Cleaning
The cleaning agent specified in the item 2.11.1 is of the neutral type. However, the cleaning water
after use may be not neutral. Collect all cleaning water and make necessary neutralization treatment
for the cleaning water.
Megohm-meter, Voltage-Checker,
Phillips Screwdriver
Tool
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