MXZ-5C42NA3 Service Manual

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MXZ-5C42NA MXZ-5C42NA2 MXZ-5C42NA3 MXZ-5C42NA4
Refrigerant pipe diameter is di󰀨erent according to indoor unit to be connected. When using extension pipes, refer to the
tables below.
When the diameter of refrigerant pipe is di󰀨erent from that of outdoor unit union, use optional Di󰀨erent-diameter pipe.
For further information on Di󰀨erent-diameter pipe, refer to "PARTS CATALOG".
Operating Range
Indoor intake air temperature Outdoor intake air temperature
Cooling
Maximum 95°FDB, 71°FWB 115°FDB
Minimum 67°FDB, 57°FWB 14°FDB
Heating
Maximum 80°FDB, 67°FWB 75°FDB, 65°FWB
Minimum 70°FDB, 60°FWB 6°FDB, 5°FWB
MAX. REFRIGERANT PIPING LENGTH & PIPE SIZE SELECTION
Piping length each indoor unit (a, b, c, d, e) 82 ft. MAX.
Total piping length (a+b+c+d+e) 262 ft. MAX.
Bending point for each unit 25 MAX.
Total bending point 80 MAX.
*It is irrelevant which unit is higher.
Unit: inch
Outdoor unit union diameter
For
Indoor unit A
Liquid 1/4
Gas 1/2
Indoor unit B
Liquid 1/4
Gas 3/8
Indoor unit C
Liquid 1/4
Gas 3/8
Indoor unit D
Liquid 1/4
Gas 3/8
Indoor unit E
Liquid 1/4
Gas 3/8
a
b
e
c
d
Outdoor
unit
Indoor
units
49 ft.
49 ft.
49 ft.
Max. height difference
OBH702M