Skoda Citigo 2012 Workshop Manual page 30

Citigo 2012 ➤ , Fabia 2000 ➤ , Fabia II 2007 ➤ , Fabia II 2009 ➤ , Fab ...
Air conditioning system with refrigerant R134a - Edition 10.2014
1 - Regulating valve for com‐
pressor of air conditioning sys‐
tem - N280-
2 - AC compressor
3 - Belt pulley
❑ with anti-lock device
4 - Oil drain plug
5 - Pressure relief valve
6 - High-pressure sender -
G65-
7 - Connection with valve
8 - Condenser
9 - Fluid reservoir with dessi‐
cator
10 - Extractor, filler and meas‐
urement valve
❑ High-pressure side
11 - Screw cap
12 - Expansion valve
13 - Evaporator
14 - Extractor and measure‐
ment valve
❑ Low-pressure side
15 - Screw cap
16 - Shock absorber
❑ for damping of pressure
fluctuations
❑ only fitted on certain
models
2.3.2 Pressures, temperatures and arrangement of the refrigerant circuit with
throttle
Component
Air conditioning compres‐
sor - high pressure side
Condensor -7-
Throttle -11-
Evaporator -12-
Catch pan -15-
Air conditioning compres‐
sor - low pressure side
The "regulating" AC compressor maintains the pressures on the
low pressure side at approx. 2 bar (corresponds to approx. 1 bar
overpressure) even at different engine speeds. This is only valid
within the performance range of the AC compressor. If the per‐
26
Rep. gr.00 - Technical data
Aggregate state of re‐ Pressure (bar over‐
frigerant pressure)
gas up to 20 bar
from gas via vapour to up to 20 bar
liquid
from liquid to vapour High pressure side
up to 20 bar, low
pressure side great‐
er than 1.0 bar
from vapour to gas greater than 1.0 bar warmer than -4 °C
gas
gas
Temperature in Celsius
up to +70 °C
up to +70 °C
High pressure side up to +60 °C,
low pressure side warmer than -4
°C