DC Inverter U-match Series for R410A Unitary Split Air Conditioner
3.2 Unit Installation
The outdoor unit does not have a TXV (thermal expansion valve), please
make sure there is a throttling valve (which throttles
operates in cooling mode and opens fully when it operates in heating mode)
in the indoor unit (air handler or A coil).
3.2.1 Outdoor Unit Installation
(1) If the outdoor unit is installed on a solid ground such as concrete, use M10
screw bolts and nuts to secure the unit and make sure the unit stands erect
and level.
(2) If it vibrates and causes noise, please add rubber cushion between the
outdoor unit and the installation base.
(3) When the outdoor unit is in heating or defrosting, it needs to drain water.
When installing the drain pipe, plug the accompanied drainage connector to
the drainage hole on the chassis of the outdoor unit. Then connect a drain
hose to the drainage connector (If drainage connector is used, the outdoor
unit should be at least 10cm from the installation ground. See the following
figures).
(4) Plugs and drainage connector are not recommended if there is an electrical
heater on the chassis.
(5) For areas with frequent snowfall, please clean up the snow in time to avoid
covering unit.
(6) The unit installed in areas expecting snow are suggested to be raised with
support frames
(7) If possible, avoid locations that are likely to accumulate snow. if not possible,
a snow guard should be installed on the unit to prevent accumulation of
snow on the top of the unit.
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