72
Installation and maintenance instructions 0020257297_06
B
Safety devices
TI
PT
PZHH
TCE
T
TI
TI
TI
TI
TI
TI
TI
TI
T
4
20
21
7
8
24
25
26
23
27
1
2
3
5
6
9
10
11
12
13
14
15
16
17
18
19
22
28
29
30
31
1
Heating pump
2
Temperature sensor downstream of the back-up
heater
3
Temperature cut-out
4
Electric back-up heater
5
Purging valve
6
Temperature sensor on the heating flow
7
Condenser
8
Temperature sensor upstream of the condenser
9
Isolation valve for hot gas pipe
10
4-port diverter valve
11
Maintenance connection in the high-pressure area
12
Temperature sensor downstream of the compressor
13
Pressure sensor in the high-pressure area
14
Pressure switch in the high-pressure area
15
Compressor with refrigerant separator
16
Temperature monitor at the compressor
17
Temperature sensor upstream of the compressor
18
Maintenance connection in the low-pressure area
19
Temperature sensor at the air inlet
20
Evaporator
21
Fan
22
Refrigerant buffer
23
Temperature sensor at the evaporator
24
Filter
25
Electronic expansion valve
26
Filter/dryer
27
Isolation valve for liquid pipe
28
Temperature sensor downstream of the condenser
29
Temperature sensor on the heating return
30
Drain valve
31
Expansion vessel
Summary of Contents for VWL 105/5 AS S2
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