Midea MTA1-76HR - Faults of Air Conditioner and Cause

Midea R22 T1 side-discharge duct manual MCAC-RTSM-201301-01
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3.4 Connecting refrigerant pipe
 Size of the outdoor unit pipes.
Model
Gas side (mm)
Liquid side (mm)
MONB-76H
Ф9.52
Ф19.0
MONB-76C
Ф9.52
Ф19.0
MONB-96H
Ф9.52
Ф19.0
MONB-96C
Ф9.52
Ф19.0
 Allowed length of refrigerant pipe and height difference.
Allowed value
Max. Actual length of pipe
50m
Max. Height difference between indoor
unit and outdoor unit.
Outdoor unit upper
25m
Outdoor unit lower
20m
Max. quantity of bends
15