80
Overview of internal components
B
C
D
E F
Y
X
W
V
U
QP
R
S
T
O
H
G
K
N M
L
A
A
Low pressure sensor
B
Electronic expansion valve for suc-
tion gas superheating (AHX)
C
Electronic expansion valve for con-
trolling fill level of refrigerant collec-
tor (PHX)
D
Filter dryer
E
Manual air vent valve
F
4-way diverter valve
G
Safety high pressure switch
H
Schrader valve, high pressure side
K
High pressure sensor
L
Secondary circuit return tempera-
ture sensor (Pt500A)
M
Drain valve
N
Flow switch
O
Liquid separator
P
Liquid gas temperature sensor
(downstream of condenser)
(NTC 10 kΩ)
Troubleshooting
Repairs
(cont.)
5516 436 GB
