13. Installation
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AF50MS3AF50MS3MCEEXHC, AF50MV3AF50MV3MCEEXHC
Preparing the installation
Selecting appropriate location for installation
Decide the installation location based on the following condition and obtain the user’s approval.
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Avoid a place that may disturb your neighbor. Noise may occur from the outdoor unit and the discharged air may run
into the neighborhood. (Be careful of the operation time in a residential area)
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Install the outdoor unit on a hard and even area that can support its weight.
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Choose a flat place that rainwater does not settle or leak.
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Choose a place avoiding strong winds.
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Maintain sufficient space for repairs and service.
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Choose a place where you can easily connect the pipes and cables to the indoor unit.
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Make sure that the condensed water dripping from the drain hose runs out properly and safely.
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When installing the outdoor unit near seashore, make sure it is not directly exposed to sea breeze. If you can not find a
adequate place without direct see breeze, protection wall should be constructed.
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Install the outdoor unit in a place (such as near buildings etc.) where it can be prevented from sea breeze which can
damage the outdoor unit.
Outdoor unit
Outdoor unit
Sea breeze
Sea breeze
Sea
Sea
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If you cannot avoid installing the outdoor unit by the seashore, construct a protection wall around to block the sea breeze.
Protection wall
Outdoor unit
Sea breeze
Sea
• Protection wall should be constructed with a solid material such
as concrete to block the sea breeze and the height and the width
of the wall should be 1.5 times larger than the size of the outdoor
unit. Also, secure over 700 mm between the protection wall and the
outdoor unit for exhausted air to ventilate.
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Install the outdoor unit in a place where water can drain smoothly.
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If you cannot find a place satisfying above conditions, please contact manufacturer. Make sure to clean the sea water and the
dust on the outdoor unit heat exchanger and spread corrosion inhibitor on heat exchanger. (At least one time per one year.)
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Choose a place where there is no direct sunlight.
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Choose a place where it could not come into contact with snow and rain.
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Choose a place where flammable gas does not leak.
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Choose a place where the indoor and outdoor unit can be connected with a pipe.
• After installing the outdoor unit, apply rust inhibitor on the internal pipes and heat exchanger.
- If you don’t apply rust inhibitor, airborne corrosive gas (such as sulfur compounds, hydrogen sulfide
and ammonia) and salty dust may cause pipe corrosion which will lead to refrigerant leakage.
- Inspect the outdoor unit at least once a year and re-apply the rust inhibitor where it is damaged
(worn out).
• When applying the rust inhibitor, please be aware of the following:
- Turn off the power before spraying the rust inhibitor.
- Wear protective goggles and mask before spraying.
- Clean the dusty surface with clean fabric or paper before spraying.
- Make sure that wind is blowing from worker’s back when spraying.
- Do not spray on the PCB panel and electric parts.
WARNING