Airwell /yaz218, Service Manual, Page: 23 / 84

PERFORMANCE DATA
5-2
SM YAZ218 1-A.2 GB
5.2 PNXA009
5.2.1 Cooling Capacity Factors - Unit A,B
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB/WB TEMPERATURE [ºC]
OD COIL
ENTERING AIR DB
TEMPERATURE
[ºC]
DATA 22/15 24/17 27/19 29/21 32/23
TC
80 - 110 % of nominal
SC
80 - 105 % of nominal
-10 - 20
(protection range)
PI 25 - 50 % of nominal
TC 0.97 1.03 1.09 1.16 1.22
SC 1.01 1.03 1.05 1.07 1.09
25
PI 0.79 0.80 0.82 0.83 0.85
TC 0.92 0.98 1.05 1.11 1.17
SC 0.98 1.00 1.03 1.05 1.07
30
PI 0.88 0.89 0.91 0.92 0.94
TC 0.87 0.94 1.00 1.06 1.13
SC 0.96 0.98 1.00 1.02 1.04
35
PI 0.97 0.99 1.00 1.02 1.03
TC 0.83 0.89 0.95 1.02 1.08
SC 0.93 0.95 0.97 1.00 1.02
40
PI 1.06 1.08 1.09 1.11 1.12
TC 0.77 0.83 0.90 0.96 1.02
SC 0.90 0.92 0.94 0.96 0.99
46
PI 1.17 1.19 1.20 1.22 1.23
LEGEND
TC – Total Cooling Capacity
SC – Sensible Capacity
PI – Power Input
WB – Wet Bulb Temperature (
o
C)
DB – Dry Bulb Temperature (
o
C)
ID – Indoor
OD - Outdoor
5.2.2 Capacity Correction Factors
27/19
22/15
24/17
29/21
32/23
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
20 25 30 35 40 45 50
Outdoor Temperature [deg C]
C
ap
ac
ity
R
ati
o