Piping Diagram - Johnson Aurum R290 M Serie Guide D'utilisation

13.2 Piping diagram

4-6 kW units (standard)
5
H _ S
6
4
HP
7
L _ S
2 3
1
Description
Item
Compressor
1
2 Temperature sensor (compressor discharge)
3 Temperature sensor (compressor suction)
4 High pressure switch
5 High pressure sensor
6
4-way valve
Low pressure sensor
7
8 Temperature sensor (outdoor air)
9 Heat exchanger
10 Fan
11 Temperature sensor (heat exchanger)
Temperature sensor (heat exchanger outlet
12
refrigerant: cooling)
13 Filter
20
19
15
8
10
9 13
11 12
Item
Electronic expansion valve
14
Temperature sensor (plate heat exchanger inlet
15
refrigerant: cooling)
16 Liquid reservoir
Temperature sensor (water inlet)
17
18 Heat tape (plate heat exchanger)
Temperature sensor (plate heat exchanger outlet
19
refrigerant: cooling)
20 Plate heat exchanger
21 Temperature sensor ( water outlet)
22 Automatic air vent valve
23 Water flow switch
24 Expansion vessel
25 Water pump
26 Pressure relief valve
42
24
26
23
22
FS
21
18
17
16
Cooling
Heating
14
13
Description
25
Outlet
Inlet
V.1