Airwell YCV280, Installation And Maintenance Instructions Manual

Page: 248 / 412

(1) Calculation method of cooling capacity---Refrigerating capacity to be known
=Refrigerating capacity x (A x B x C x D x E) W
C. Capacity modification coefficient
under airflow variation rate of indoor
unit group (only for duct unit)
1.1
1.0
0.9
80 90 100 110 120
airflow variation rate(% )
Capacity modification coef
ficient
D. Capacity compensation suitable for total capability
of indoor unit group (cooling)
Total capacity of indoor unit group(%)
120
100
80
60
40
20
0
20 40 60 80 100 120 130
Standard capacity
Capacity modification coef
ficient
A. Capacity compensation coefficient of indoor
air wet-bulb temperature condition
Indoor air wet-bulb temperature
1.2
1.1
1.0
0.9
0.8
1 5 2 0 2 4
Capacity
modification
coef
ficient
B. Capacity compensation coefficient of outdoor air dry-bulb
temperature condition
Outdoor air dry-bulb temperature
1.2
1.1
1.0
0.9
-5 0 5 10 15 20 25 30 35 40 43
Capacity modification coef
ficient
7 . Capacity calculation due to capacity modification coefficient
254