70
L
F
E
C
B
A
H
K
G
M
N
D
Example of an evacuation at the service valve of the internal unit
A
Vacuum pump
B
Connection hose between pressure
gauge set and vacuum pump
C
Pressure gauge set
D
Filling hose between pressure
gauge set and internal unit
E
External unit
F
Internal unit
G
Service valve (Schrader valve)
H
Hot gas line
K
Liquid gas line
L
Valve for vacuum gauge
M
Vacuum gauge
N
Connection hose between pressure
gauge set and vacuum gauge
!
Please note
Never subject the vacuum
gauge
to positive pressure.
1.
Shut the service valve on the external
unit and keep it closed for the entire
evacuation process.
2.
Close all valves at the pressure
gauge set.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5724 152 GB
Summary of Contents for AWS 104
Page 5: ...5 Certificates Declaration of conformity 119 Keyword index 120 Index Index cont 5724 152 GB...
Page 87: ...87 Opening programming unit 3 2 1 2x Troubleshooting Repairs cont 5724 152 GB Service...
Page 89: ...89 Removing separating plate 1 2 Troubleshooting Repairs cont 5724 152 GB Service...