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99
Xest Vun . Jault Gode
Fefore Xest Vun
Fefore switching it on3 test the supply terminal tier /P3 R terminals0 and grounding points with
<77Z megaohm meter and checkif the resistance is above 8Q
h
5 Mt can}t be operated if it is
below 8Q
h
5
Gonnect it to the power supply of outdoor units to energize the heating belt of the compressor5
Xo protect the compressor at startup3 power it on 89 hours prior to the operation5
[ays of Xest Vun
Ho ask the installation personnel to make a test run5 Xake the testing procedures according to
the manual and checkif the temperature regulator works properly5
[hen the machine fails to start due to the room temperature3 the following procedures can be
taken to do the compulsive running5 Xhe function is not provided for the type with remote control5
Wet the wired controller to refrigerating6heating mode3 press ~SR6SJJ
*
button for < seconds to
enter into the compulsive refrigerating6heating mode5 Vepress ~SR6SJJ
*
button to quit the
compulsive running and stop the operation of the air conditioner5
y
<97?HD C:
~
BFG5@@5G=CB
checkif the mains voltage is matching
checkif there is air leakage at the piping joints
checkif the connections of mains power and indoor . outdoor units are correct
checkif the serial numbers of terminals are matching
checkif the installation place meets the requirement
checkif the water is drained to the outside
checkif there is too much noise
checkif the connecting line is fastened
checkif the connectors for tubing are heat insulated
checkif the indoor units are positioned
y
<97? =: G<9 5EE5B;9A9BGF C: G<9 8E5=BD=D9 5B8 7CBB97G=CB @=B9 5E9 7CEE97G
p
Xhe drainpipe shall be placed at the lower part while the connection line placed at the upper part5
Leat preservation measures should be taken such as winding the drainpipe esp5 in the indoor
units with heating insulating materials5
Xhe drain pipe should be made a slope type to avoid protruding at the upper part and concaving
at the lower part on the way5
Summary of Contents for XCT 7 40VC009-048F-7G-QEE
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