Environment-friendly Alternative Refrigerant R410A
10 Outside Unit
■ Select installation location of the HR unit suitable for following conditions
• Avoid a place where rain may enter since the HR unit is for indoor.
• Sufficient service space must be obtained.
• Refrigerant pipe must not exceed limited length.
• Avoid a place subject to a strong radiation heat from other heat source.
• Avoid a place where oil spattering, vapor spray or high frequency electric noise is expected.
• Install the unit at a place in which it is not affected by operation noise. (Installation within cell such as meeting
room etc. may disturb business due to noise.)
• Place where refrigerant piping, drain piping and electrical wiring works are easy.
Description
PRHR040/030 PRHR020
1 Low pressure Gas pipe connection port Ø28.58 Brazing connection Ø22.2 Brazing connection
2 High pressure Gas pipe connection port Ø22.2 Brazing connection Ø19.05 Brazing connection
3 Liquid pipe connection port Ø12.7 Brazing connection Ø9.52 Brazing connection
4 Indoor unit Gas pipe connection port Ø15.88 Brazing connection Ø15.88 Brazing connection
5 Indoor unit Liquid pipe connection port Ø9.52 Brazing connection Ø9.52 Brazing connection
6 Control box - -
7 Hanger metal M10 or M8 M10 or M8
Part NameNo.
:
1. Be sure to install the inspection door at the control box side.
2. If reducers are used, servicing space must be increased equal to reducer's dimension.
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