Haier Smart Power Series Service Manual page 134

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• When installing the unit in a place exposed to strong wind, pay special attention to the following.
Strong winds of 5 m/s or more blowing against the outdoor unit's air outlet causes short circuit (suction of
discharge air) , and this may have the following consequences:
- Deterioration of the operational capacity.
- Frequent frost acceleration in heating operation.
- Disruption of operation due to rise of high pressure.
- When a strong wind blows continuously on the face of the unit, the fan can start rotating very fast until it breaks.
Refer to the figures for installation of this unit in a place where the wind direction can be foreseen.
• Repare a water drainage channel around the foundation, to drain waste water from around the unit.
• If the water drainage of the unit is not easy, please build up the unit on a foundation of concrete blocks, etc. (the
height of the foundation should be maximum 150mm) .
• If you install the unit on a frame, please install a waterproof plate (field supply) within 150mm of the underside of
the unit in order to prevent the invasion of water from the lower direction.
When installing the unit in a place frequently exposed to snow, pay special attention to elevate the foundation as
high as possible.
• Make sure that the unit is installed level.
7.2.2 General
When operating the outdoor unit in a low outdoor ambient temperature, be sure to follow the instructions described
below.
• To prevent exposure to wind, install the outdoor unit with its suction side facing the wall.
• Never install the outdoor unit at a site where the suction side may be exposed directly to wind.
• To prevent exposure to wind, install a baffle plateon the air discharge side of the outdoor unit.
In heavy snowfall areas it is very important to select an installation site where the snow will not affect the unit and
set the outlet side at a right angle to thedirection of the wind.
7.3 Precautions on installation
If drain holes of the outdoor unit are covered by a to provide a free space of more than 130mm under the outdoor unit.
NOTICE
NOTICE
132
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