GREE Air-ccoled Closed Control Unit Service Manual
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(8) Make sure that the drainage of condenser water and humidifier are smooth. Due to the
possibility of high temperature (maximum temp. could be 100
℃
) of humidifier’s drain water,
shall pay attention to the security of the drainage.
(9) When the unit is installed on the bracket whose height is adjustable (the type of lower
supply air outlet), the unit and the bracket shall be fixed by bolts and the joint face shall be
paved with the rubber shock absorption mat.
6.4.2
Requirements of Installation for Outdoor Unit
(1) The refrigerants have been filled in outdoor unit before outging. The move and
installation shall be cautious.
(2) Installation of the unit shall completely meet the requirements of heat exchange and
space for repairing, and also shall take the convenience of pipes connection between indoor
and outdoor units into account.
(3) The outdoor unit shall be installed and securely fixed in the stable and firm supporting
surface outside the building
(4) The outdoor unit and the indoor unit should be close to each other as much as possible
in order to reduce the length of cooling pipes and the quantity of elbows.
(5) Don’t install the outdoor unit under the window or between close buildings in order to
prevent the normal running noise from interior.
(6) Choose the airy place to install the unit and the distribution of air outlet and air inlet can
be unobstructed so that the unit can inhale and exhale enough non cyclical air.
(7) Don’t install the unit in the place with flammable and explosive Substance, as well as
polluted air, including intensive dust, salt mist, etc.
(8) Make sure that the ground is horizontal and the inclination pitch cannot be greater than
1°.
6.4.3
Requirements of Connection between Indoor units and Outdoor
Units
(1) The standard length of pipes connected outdoor units and indoor units is 10m. When
the length of the pipe is less than or equal to 10m, there is no need for extra refrigerants.
However, if it is over than 10m (Subject to the liquid pipe), the refrigerants and lubricant should
be added. The specific charge is as follows:
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