n
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.
Inspection door(NOTICE 1)
(servicing space)
481(18-10/11)
345(13-1/2)
300mm(11-7/8 inch) more
(Servicing space)
300mm(11-7/8 inch) more
(Servicing space)
300mm(11-7/8 inch)more
(Servicing space)
450mm(17-3/4 inch) more
(Servicing space)
1
2
3
5
4
6
7
453(17-7/8)
174(6-7/8)
174(6-7/8)
182(7-1/8)
218(8-1/2)
419(16-1/2)
61(2-7/16)
137(5-3/8)
124(4-7/8)
128(5)
30(1-1/6)
60(2-3/8)
(NOTICE 2)
(NOTICE 2)
450(17-3/4)
450(17-3/4)
100 more
100 more
(Serviceing space)
(Serviceing space)
100mm(3-15/16 inch) more
100mm(3-15/16 inch) more
(Serviceing space)
(Serviceing space)
100mm(3-15/16 inch) more
(Serviceing space)
100 more
100 more
(Serviceing space)
(Serviceing space)
100mm(3-15/16 inch) more
100mm(3-15/16 inch) more
(Serviceing space)
(Serviceing space)
100mm(3-15/16 inch) more
(Serviceing space)
:
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.
NOTICE
(Unit: mm(inch))
Description
PRHR030A/040A
PRHR020A
1
Low pressure Gas pipe connection port
Ø28.58(1-1/8) Brazing connection Ø22.2(7/8) Brazing connection
2
High pressure Gas pipe connection port
Ø22.2(7/8) Brazing connection
Ø19.05(3/4) Brazing connection
3
Liquid pipe connection port
Ø12.7(1/2) Brazing connection
Ø9.52(3/8) Brazing connection
4
Indoor unit Gas pipe connection port
Ø15.88(5/8) Brazing connection
Ø15.88(5/8) Brazing connection
5
Indoor unit Liquid pipe connection port
Ø9.52(3/8) Brazing connection
Ø9.52(3/8) Brazing connection
6
Control box
-
-
7
Hanger metal
M10 or M8
M10 or M8
Part Name
No.
Environment-friendly Alternative Refrigerant R410A
ENGLISH
Installation Manual
11
Содержание ARWB Series
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