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Installation
Installer reference guide
46
RZAG71~Y1
Sky Air Alpha-series
4P695307-1 – 2022.05
a
NOTICE
Do not block the air vents. This could affect air circulation inside the unit.
WARNING
Provide adequate measures to prevent that the unit can be used as a shelter by small
animals. Small animals that make contact with electrical parts can cause
malfunctions, smoke or fire.
NOTICE
Make sure to open the stop valves after installing the refrigerant piping and
performing vacuum drying. Running the system with the stop valves closed may
break the compressor.
7.5 Checking the refrigerant piping
7.5.1 About checking the refrigerant piping
The outdoor unit's
internal
refrigerant piping has been factory tested for leaks. You
only have to check the outdoor unit's
external
refrigerant piping.
Before checking the refrigerant piping
Make sure the refrigerant piping is connected between the outdoor unit and the
indoor unit.
Typical workflow
Checking the refrigerant piping typically consists of the following stages:
1
Checking for leaks in the refrigerant piping.
2
Performing vacuum drying to remove all moisture, air or nitrogen from the
refrigerant piping.
If there is a possibility of moisture being present in the refrigerant piping (for
example, water may have entered the piping), first carry out the vacuum drying
procedure below until all moisture has been removed.
Содержание Sky Air Alpha Series
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