Haier InoSens MRV SI AU032FSEUA Service Manual page 25

E. Capacity compensation value of pipe
length, pipe diameter and height drop
AU032FSEUA
F. Capacity compensation value for defrost
capability of outdoor heat exchanger
1.0
0.9
0.8
-15 -10 -5
Outdoor air wet-bulb temperature (°C)
Notes for E:
(1) The main pipe (from outdoor to the first branch pipe) diameter should be enlarged one size
when the single way pipe length is over 90m.
(2) When in cooling mode, outdoor is lower than indoor; or when in heating mode, outdoor is higher than indoor, the
compensation factor should be decreased the below value from figure E.
Vertical height drop between
indoor and outdoor
Adjustment factor
0 5 10
5m 10m 15m 20m
0.003 0.006 0.009 0.012 0.015 0.018
23
25m 30m