20
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the
tables
below.
When the diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe.
For further information on Different-diameter pipe, see the appropriate parts catalog, Optional parts "DIFFERENT
DIAMETER
PIPE"(2-1.).
Unit: inch
It is irrelevant which unit is higher.
MAX. REFRIGERANT PIPING LENGTH & PIPE SIZE SELECTION
MXZ-2B20NA
Operating Range
MXZ-2B20NA
Cooling
Heating
Maximum
Minimum
Maximum
Minimum
Indoor intake air temperature
95°FDB, 71°FWB
67°FDB, 57°FWB
80°FDB, 67°FWB
70°FDB, 60°FWB
Outdoor intake air temperature
115°FDB
14°FDB
75°FDB, 65°FWB
6°FDB, 5°FWB
a
b
Outdoor
unit
Indoor
units
49 ft.
33 ft.
49 ft.
Max. height difference
Outdoor unit union diameter
For
Indoor unit A
Liquid
1/4
Gas
3/8
Indoor unit B
Liquid
1/4
Gas
3/8
Piping length each indoor unit (a, b)
82 ft. MAX.
Total piping length (a+b)
164 ft. MAX.
Bending point for each unit
25 MAX.
Total bending point
50 MAX.
OBH560G
Содержание MXZ-5B42NA
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