Airwell PNXA 12 DCI, Service Manual

Page: 28 / 108

5-12
S E V R U C E R U S S E R P & A T A D E C N A M R O F R E P
SM PNXADCI 1-A.1 GB
5.7.3 Heating Capacity (kW) - Run Mode
230[V] : Indoor Fan at High Speed.
ID COIL ENTERING AIR DB TEMPERATURE [
0
C]
OD COIL ENTERING
AIR DB/WB
TEMPERATURE [ 0 C]
DATA 15 20 25
-15/-16
TC
3.46 2.96 2.46
PI 1.64 1.76 1.88
-10/-12
TC 4.57 4.07 3.57
PI 1.86 1.97 2.09
-7/-8
TC 5.40 4.90 4.40
PI 2.02 2.14 2.25
-1/-2
TC 5.81 5.31 4.81
PI 2.10 2.22 2.33
2/1
TC 6.09 5.59 5.09
PI 2.15 2.27 2.39
7/6
TC 8.10 7.60 7.10
PI 2.23 2.35 2.47
10/9
TC 8.52 8.02 7.52
PI 2.28 2.39 2.51
15/12
TC 8.94 8.44 7.94
PI 2.32 2.44 2.55
15-24 l a n i m o n f o % 5 0 1 - 5 8 C T
(Protection Range) PI 80 - 120 % of nominal
LEGEND
TC – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., ( o C)
DB – Dry Bulb Temp., (
o
C)
ID – Indoor
OD – Outdoor
5.7.4 Capacity Correction Factors
Heating Capacity Ratio Vs. Outdoor Temperature
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [ºC]
Ca
p
a
c
it
y
Ra
ti
o
n