Fujitsu WATERSTAGE WOYG112LHT Maintenance Document page 8

Air to Water Heat Pump (Split integrated DHW type)
Variable pressure
mCE
8
7
6
5
4
3
2
1 3
1
0
0 0,5
0 0,5 1
Constante pressure
mCE
8
7
6
7 7
5
4
3
3
2
1
1
0
0 0,5
0 0,5 1
figure 3 - Hydraulic pressures and flow rates available
10000
1000
100
10
1
-20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130
- 8 -
1 mbar = 10 mmCE = 100 Pa
8 8
7 7
5 5
1,5 2
1 1,5 2
1 mbar = 10 mmCE = 100 Pa
8 8
5 5
1,5 2
1 1,5 2
figure 5 - Ohmic values of the sensors (hydraulic unit)
Outdoor sensor QAC34
43907
10000
2490
1000
338
-50
m m /h 3 /h
3
Heat pump return sensor
Heat pump flow sensor
32500
30000
27500
25000
22500
20000
17500
15000
12500
10000
7500
5000
2500
0
0 10
m m /h 3 /h
3
figure 4 - Ohmic values of the sensors
Temperature °C
-25 0 25 50
20 30 40 50 60 70
(Hydraulic unit)
- Compressor
- Discharge
- Condensation
- Expansion valve
- Outdoor
- Evaporator inlet
Installation and operating manual "1768 - EN"
° C
75
°C
80 90 100
B3977