Viessmann Vitocal 242-S Installation And Service Instructions Manual page 69

Overview of internal components: External unit
External unit 4 kW, type AWT/AWT-AC 241.A04
B
A
Fig. 58
Fan
A
Heat exchanger (evaporator)
B
Temperature sensor, air intake, evaporator (OAT)
C
Evaporator temperature sensor (OMT)
D
4-way diverter valve
E
High pressure switch (pHi)
F
(cont.)
C
Compressor head temperature sensor (CTT)
G
Electronic expansion valve (EEV)
H
Temperature sensor, refrigerant inlet, evaporator
K
(OCT)
Liquid separator
L
Compressor
M
Maintenance
D
E
F
G
H
K
L
M
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