76
Diagram of the components without thermal insulation
A
D
E
F
L
K
M
N
P
B
C
G H
Q
Fig. 38
For temperature sensor connections to the
controller and sensor PCB: See page 73.
A
High pressure sensor
B
Safety high pressure switch
C
Primary circuit flow temperature sensor (heat
pump brine inlet), (Pt500A)
D
Primary circuit air vent valve
E
Low pressure sensor
F
Suction gas temperature sensor
G
High pressure Schrader valve
H
Secondary circuit flow temperature sensor
(Pt500A)
K
Air vent valve, secondary circuit
L
Hot gas temperature sensor (Pt500A)
M
Low pressure Schrader valve
N
Return temperature sensor, secondary circuit
P
Secondary circuit drain valve
Q
Compressor
Extracting the refrigerant
We recommend recovering the refrigerant.
Before commencing work, observe the "Checklist for
maintenance work" on page 60.
Maintenance
Overview of internal components
(cont.)
5800 917 GB
Maintenance