68
Multi VRF Indoor
Unit Service Manual
3 INSTALLATION OF ELECTRONIC EXPANSION VALVE
Notice!
Keep the vertical arrow of labeling on electronic expansion valve upward.
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Installation
(1) Fix the electronic expansion valve, which can be operated as the following ways.
To Indoor Unit
To Outdoor Unit
UP
(a) Hoisting with lead screw (b) Fixing on the wall with screws
(c) Placement on ceiling Note: Never hanging in the air
(2) Connect the indoor unit with a portion of connecting pipe (connecting with nut), and then connect the
connecting pipe with electronic expansion valve (connecting with nut).
To Indoor Unit
To Outdoor Unit
UP
Connecting with nut
Connecting with nut
valve and indoor unit or outdoor unit must accord with marks, or else, serious malfunction of unit will result.