AERMEC TDA Manual De Instalación, Uso Y Mantenimento página 15

Tables showing heat exchange coil output
The following pages are related
t o t h e t a b l e s c o n c e r n i n g t h e
performance of the heat exchange
coils for the typical combinations of
Electric heat exchange coils
Electric coil output
Voltage - Phases
No. of stages
Table showing operating limits
(*) envisage anti-freeze protection
Selection, installation, use and maintenance manual
heat vector fluid temperature and
hygrothermometric characteristics of
the incoming air.
The values for the direct expansion
Key:
P Air flow rate [m³/h]
Tia Temperature of incoming air [°C]
UmRel Relative humidity (%)
Qtot Total heating capacity [kW]
Qsen Sensible heating capacity [kW]
WtrFlow Water flow rate [l/h]
WtrDP Water side pressure drops [kPa]
RefrDP Refrigerant side pressure drops [kPa]
TDA 09
kW 4
V - n. 230V~
no. 1
Temperature of coil inlet air (summer)
Temperature of coil inlet air (winter)
Relative humidity (summer-winter)
Temperature of coil inlet water (H
Heat range (H O Cold)
2
Temperature of coil inlet water (H
Heat range (H O Hot)
2
Evaporation temperature
TDA 15 TDA 21
6 8
400V / 3 ~ 400V / 3 ~
1 1
min
max
min
max
min
max
min
O Cold)
2
max
min
max
min
O Hot)
2
max
min
max
min
max
15
Air conditioning unit -
coils refer to operation with R407C
refrigerant.
TDA 28
10
400V / 3 ~ 400V / 3 ~
2
21 °C
34 °C
-5 °C (*)
24 °C
20%
90%
4 °C
12 °C
5 °C
8 °C
40 °C
80 °C
5 °C
25 °C
2 °C
12 °C
TDA range
TDA 37
12
2