Refrigerant Pipework; Water Piping - Airwell Wellea Split A R32 Installation Manual

8.4 Refrigerant pipework

For all guidelines, instructions and specifications regarding refrigerant pipework between the indoor unit and outdoor
unit, please refer to "Installation and owner's manual (Wellea split outdoor unit)".
When connecting the refrigerant pipes, always use two wrenches/spanners for tightening or loosening nuts!
Failure to do so can result in damaged piping connections and leaks.
The appliance contains fluorinated greenhouse gases.Chemical name of the gas: R32
Fluorinated greenhouse gases are contained in hermetically sealed equipment.
An electrical switchgear has a tested leakage rate of less than 0.1 % per year as set out in the technical specification
of the manufacturer.

8.5 Water piping

All piping lengths and distances have been taken into consideration. Refer to Table. 3-1.
If no glycol is in the system, in case of a power supply failure or pump operating failure, drain all the water system if the water
temperature is below 0℃ in the cold winter(as suggested in the figure below).
Water inlet
Water outlet
Drainage valve
When water is at standstill inside the system, freezing is very likely to happen and damage the system in the process.
CAUTION
NOTE
NOTE
Drainage port
filling valve
Drainage channel
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