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Rooftop Air Conditioning System Citysphere
2.1.
Components
The rooftop airconditioner-unit is shown in Fig. 2.3.
1 - Hood (external contour element)
2 - Baseplate as the load-bearing structural element
3 - Condenser
4 - Compressor
5 - Condenser fan
6 - Pressure switch
7 - Collector/Drier/Filter for refrigerant
8 - Filling port HP
9 - Filling port LP
10 - Anti-icing switch
11 - Expansion valve
12 - Evaporator
13 - Air filter
14 - Evaporator fan
15 - Electrical heater (comfort version only)
16 - Outside temperature sensor (master unit only)
17 - Electrical plate (see Fig. 2.2)
18 - Air-diffuser
19 - Grille
20 - Drain outlets
21 - Recessed grips and surfaces for lifting appliances, respectively.
M8
15 Nm
+
g
¯
M10
20 Nm
Page 38
b
f
F5=60 A
F1= 5 A
F2=15 A
F3=15 A
F4= 5 A
a
Fig. 2.2 Electrical plate (simplified)
17a)
Fuses
17b)
Control unit (Master unit
c
only)
17c)
Electrical interface to
d
distribution panel (Master
unit only)
17d)
Electrical interface to other
e
units
17e)
Relays for heating (comfort
version only)
17f)
Sensor for room temperature
(Master unit only)
17g)
Connecting pins for power
supply
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