AUKS AL-H18/4DR1(U), Service Manual

Page: 103 / 161

AUKS DC Inverter 1 Drive1 50HZ R410A Universal outdoor unit
103
Heat insulation package of piping
◇
Use heat insulation material with good insulation performanCF to wrap the pipe.
Notes
Drainage pipe and connection piping should be wrapped by heat insulation material respectively or there
will be dew or leakage
During the high temperature working environment, our air conditioner is proved my dew conditioner
experiment. But if it keeps on working during the high humidity (the dew temperature is more than23
℃ )
environment which may lead to water leakage, in such condition please use following additional
insulation material:
◇
Glass fiber insulation material with the thickness between 10~20mm can be used.
◇
The part of indoor unit which get in touch with the back side of ceiling should pasted with insulation
material.
◇ Besides the previously more than 8mm thick insulation material, connection piping (both gas pipe and
liquid pipe), drainage pipe should be wrapped by additional 10~30 mm thick insulation material.
To seal the hole on the wall.
◇ To prevent rainwater or other foreign bodies from entering the room and air-conditioner after installing
the tubing and drain pipe, the gap between wall hole and tubing, drain pipe and electric wire should be
sealed with mastic, sealant rubber or putty, or poor performance or leakage will result
◇
If the outdoor unit is higher than indoor unit, tubing should be bent to ensure that the lowest point of
the tubing is lower than the wall hole to prevent rainwater entering the room or air-conditioner along
the piping system.