68
Multi VRF Indoor
Unit Service Manual
3 INSTALLATION OF ELECTRONIC EXPANSION VALVE
Notice!
Install the electronic expansion valve as following igure so that the unit can normally run.
Keep the vertical arrow of labeling on electronic expansion valve upward.
arrow upwards
arrow downwards
Installation
(1) Fix the electronic expansion valve, which can be operated as the following ways.
Fixing with screws
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
Warning: Length of connecting pipe must be≤4.5m, connection direction between electronic expansion
valve and indoor unit or outdoor unit must accord with marks, or else, serious malfunction of unit will result.
Содержание GMV-R series
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