Airwell YBZ214, Service Manual

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PERFROMANCE DATA
5-2 Service Manual – YBZ DCI 1-A.1 GB
5.1.3 Heating Capacity (kW)
ID COIL ENTERING AIR DB TEMPERATURE [C
0
]
OD COIL
ENTERING AIR
DB/WB
TEMPERATURE
[C
0
] DATA 15 20 25
TC 2.29 2.15 2.01
-15/-16
PI 0.72 0.83 0.93
TC 2.74 2.60 2.46
-10/-12
PI 0.83 0.94 1.04
TC 3.08 2.94 2.80
-7/-8
PI 0.92 1.02 1.12
TC 3.26 3.11 2.97
-1/-2
PI 0.96 1.06 1.17
TC 3.37 3.23 3.08
2/1
PI 0.98 1.09 1.19
TC 4.44 4.30 4.16
7/6
PI 1.03 1.13 1.23
TC 4.62 4.48 4.33
10/9
PI 1.07 1.18 1.28
TC 4.80 4.65 4.51
15/12
PI 1.12 1.23 1.33
15-24
TC 85 - 105 % of nominal
(Protection Range)
PI 80 - 120 % of nominal
LEGEND
TH – Total Heating Capacity, kW
PI
– Power Input, kW
WB – Wet Bulb Temp., (
o
C)
DB – Dry Bulb Temp., (
o
C)
ID – Indoor
OU –
Outdoor
5.1.4 Capacity Correction Factors
Heating Capacity Ratio Vs. Outdoor Temperature
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Ca
p
a
c
it
y
Ra
ti
o
n