Airwell /yaz218, Service Manual

Page: 28 / 84

PERFORMANCE DATA
SM YAZ218 1-A.2 GB 5-7
5.4.3 Heating Capacity Factors - Unit A,B
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB TEMPERATURE [ºC]
OD COIL
ENTERING AIR
DB/WB
TEMPERATURE
[ºC]
DATA 15 20 25
TC 0.64 0.59 0.55
-15/-16
PI 0.60 0.66 0.72
TC 0.71 0.66 0.62
-10/-12
PI 0.72 0.78 0.85
TC 0.76 0.72 0.67
-7/-8
PI 0.82 0.88 0.94
TC 0.79 0.75 0.70
-1/-2
PI 0.86 0.92 0.98
TC 0.81 0.76 0.72
2/1
PI 0.89 0.95 1.01
TC 1.04 1.00 0.96
7/6
PI 0.94 1.00 1.06
TC 1.10 1.06 1.01
10/9
PI 1.00 1.06 1.12
TC 1.16 1.12 1.07
15/12
PI 1.05 1.11 1.17
15-24
TC 85 - 105 % of nominal
(Protection Range)
PI 80 - 120 % of nominal
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
5.4.4 Capacity Correction Factors
20
25
15
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
-20 -15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Ca
pa
ci
ty
Ra
tio