Carrier 42CN, Installation, Operation And Maintenance Instructions

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- Unusual noise during operation;
- Frequent operation of the protection devices;
- Unusual smell (such as smell of burning).
Choosing the installation site
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The unit is for indoor installation.
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Choose an area free from obstructions which may cause irregular air distribution and/or
return. Consider using an area where installation is easy.
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Check that the ceiling surface is flat enough to allow easy and safe installation of the unit.
The ceiling structure should be strong enough to hook the unit and avoid deformation,
rupture or vibration during operation.

Look for a position in the room which assures the best possible air distribution.

Install unit in a position where condensate can easily be piped to an appropriate drain.
Positions to avoid:
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Exposed to direct sun.
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Too close to heat sources.
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On humid positions with water hazard, e.g. laundry premises.
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Exposure to oil vapours (e.g. kitchens, workshops).
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Where curtains or furniture may obstruct free air circulation.
Waste electrical products should not be disposed of with household waste. Please recycle
where facilities exist. Check with your local authority or retailer for recycling advice.
Warnings: avoid
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installation in areas full of dust.
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installation in areas with high frequency waves.
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any rise in the condensate drain piping.
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slack on electrical connections.
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disconnecting water connections after installation.
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only partial insulation of the piping.
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installation not correctly leveled which will cause condensate dripping.
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flattening or kinking pipes or condensate pipes.
Installation
Receipt of unit

Check that packaging is undamaged.
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Unpack unit and check immediately for damage during transportation.
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Verify that all components ordered are supplied.
Unit preparation
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It is advisable to keep unit packed until installation is complete.
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This unit should be installed on top the false ceiling.