AUX AL-H12/4R1D, Service Manual

Page: 79 / 157

AUX-Light CAC 50Hz R410A Universal outdoor unit
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7.6 Drainage pipe
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Drainage pipes must be wrapped with heat insulation materials, otherwise it will cause frost or
droplets, see picture as follows:
Heat insulation material: rubber insulation pipe with the thickness of more than 8mm
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Drainage pipe must have a downward gradient (1 / 50 1 / 100).If the drain pipe is installed ups and
downs, it will cause water backflow or leakage etc.
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When finish installation please carry out the drainage test to ensure that the water flow through the
pipeline fluently, and carefully observe the junction to ensure that there is no water leakage at the
junction. If the unit is installed in the newly built house, strongly recommend that this test taken before
the CFiling installation. Even it is the heating only unit, this test is unavoidable.
7.7 Remote controller receiver
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Installation site: recommend that the receiver is mounted with the distance of 30~50 cm to the
indoor unit air outlet(on your choice as well), while must ensure that the receiver can get the
signal that the remote controller sends, please refer to the following installation picture:
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Mounting hole set up: please use certain instrument to dig a square hole with 88*88mm on the ceiling
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Remote controller receiver installation.
Hold the two sides (with clip sides) of the receiver, set the spring clip in the vertical way then put it into
the mounting hole, if the two sides of the receiver is in the same level with the ceiling the installation
is finished.
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Signal line connection: connect the wire of remote controller receiver to the CN-DISP terminal board
on PCB of indoor unit wire box then fix it.