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Contents
Safety precautions ..........................................................................................................3
Product specications.......................................................................................................5
Outdoor unit specication...................................................................................................6
Application examples .......................................................................................................7
Main components...........................................................................................................9
Functional diagram .......................................................................................................13
Installing the unit .........................................................................................................14
Piping work...............................................................................................................26
Wiring ....................................................................................................................32
Testing operations ........................................................................................................40
Error codes................................................................................................................42
Maintenance..............................................................................................................44
Charging refrigerant ......................................................................................................47
Troubleshooting ..........................................................................................................48
Commissioning ...........................................................................................................51
Recommissioning instructions ............................................................................................51
Correct Disposal of This Product
(Waste Electrical & Electronic Equipment)
(Applicable in countries with separate collection systems)
This marking on the product, accessories or literature indicates that the product and its electronic accessories (e.g.
charger, headset, USB cable) should not be disposed of with other household waste at the end of their working life.
To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate
these items from other types of waste and recycle them responsibly to promote the sustainable reuse of material
resources.
Household users should contact either the retailer where they purchased this product, or their local government
oce, for details of where and how they can take these items for environmentally safe recycling.
Business users should contact their supplier and check the terms and conditions of the purchase contract. This
product and its electronic accessories should not be mixed with other commercial wastes for disposal.
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