22
Installation and Maintenance
Service Manual
8.2.2 Installation of the Connection Pipe
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CAUTION!
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. During the connection of the indoor unit and the refrigerant pipe, never pull any joints of the indoor unit by force;
otherwise the capillary pipe or other pipe may crack, which then would result in leakage.
ĸ
. The refrigerant pipe should be supported by brackets, that is, don’t let the unit withstand the weight of it.
Ĺ
. If the piping connection size of outdoor unit does not match the piping connection size of indoor unit, use the piping
connection dimension of indoor unit. And use different-diameter joints which is installing on the
place of the piping connection to connect the indoor unit.
CAUTION!
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Pipe
Flare Nut
Spanner
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Pipe
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copper tube
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11.10~4.75
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20.12~29.50
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33.19~40.56
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44.24~47.94