86
Overview of internal components
A BC D
E
F
U
K
L
M
N
O
P
Q
R
S
T
G H
Flow, secondary circuit (heat-
ing water flow)
Return, secondary circuit (heat-
ing water return)
Return, primary circuit (brine
outlet)
Flow, primary circuit (brine in-
let)
A
Primary circuit flow temperature
sensor (heat pump brine inlet)
B
Suction gas temperature sensor
C
Condenser
D
Secondary circuit flow temperature
sensor
E
Compressor
F
Secondary circuit return tempera-
ture sensor
G
Drain valve on the secondary side
H
Liquid gas temperature sensor
K
Sight glass
L
Electronic expansion valve EEV
M
Drain valve, primary side
N
Safety high pressure switch
O
Filter dryer
P
Primary circuit return temperature
sensor (heat pump brine outlet)
Troubleshooting
Repairs
(cont.)
5546 267 GB