MXZ-5C42NA3 Service Manual
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MXZ-5C42NA MXZ-5C42NA2 MXZ-5C42NA3 MXZ-5C42NA4
Refrigerant pipe diameter is dierent according to indoor unit to be connected. When using extension pipes, refer to the
tables below.
When the diameter of refrigerant pipe is dierent from that of outdoor unit union, use optional Dierent-diameter pipe.
For further information on Dierent-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