19
2
1
2
1
3
3
5
4
6
7
8
9
10
11
12
13
14
15
2
1
2
1
111
1
1
1
2
2
2
2
2
222
3
3
4
5
6
16
17
18
18
19 20
7
7
8 8
9
9
1
1
10
11
12
10
13 1314 1415 15
11
ENGLISH
µC
2
SE - +030220426 - rel. 2.0 - 03.08.2009
Fig. 3.g.a
Fig. 3.g.b
3.7 WATER/WATER heat pump with reversal on water circuit
3.7.1 Single circuit
3.7.2 Two circuits, H02= 1 and H21= 4
Key:
1 external
2 internal
3 reversing valve
4 fl ow switch
5 outlet evaporator probe
6 antifreeze heater
7 evaporator
8 condenser
9 condenser probe
10 compressor 1
11 high pressure
12 compressor overload
13 low pressure
14 water pump
15 compressor 2
Key:
1 external
2 internal
3 reversing valve 1 and 2
4 condenser probe
5 fl ow switch
6 outlet evaporator probe
7 condenser probe 1 and 2
8 condenser 1 and 2
9 outlet evaporator probe 1 and 2
10 antifreeze heater 1 and 2
11 evaporator 1 and 2
12 compressor 1
13 high pressure 1 and 2
14 compressor overload 1 and 2
15 low pressure 1 and 2
16 compressor 3
17 inlet evaporator probe
18 water pump
19 compressor 2
20 compressor 4