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7
Water to Water Heat Pump (WTW)
7.5.3 Local system 1
1-zone temperature control
2-zone temperature control
6
2
2-zone temperature control with boiler
11
13
2
1. Zone1 heat emitters (e.g. radiator, fan coil unit) (local supply)
2. Mixing tank (local supply)
3. Zone1 flow water temp. thermistor (THW6)
4. Zone1 return water temp. thermistor (THW7)
5. Zone1 water circulation pump (local supply)
6. Motorized mixing valve (local supply)
7. Zone2 flow water temp. thermistor (THW8)
8. Zone2 return water temp. thermistor (THW9)
9. Zone2 water circulation pump (local supply)
B-222
Zone1
Zone1
3
5
4
1
Zone2
9
7
8
10
Zone1
3
5
4
1
Zone2
9
6
7
8
10
Optional part :
PAC-TH011-E
Optional part :
PAC-TH011-E
3
4
1
2
1-zone temperature control with boiler
11
12
2
1-zone temperature control
(2-zone valve ON/OFF control)
16
10. Zone2 heat emitters (e.g. underfloor heating) (local supply)
11. Boiler flow water temp. thermistor (THWB1)
12. Mixing tank thermistor (THW10)
13. Boiler (local supply)
14. Zone1 2-way valve (local supply)
15. Zone2 2-way valve (local supply)
16. Bypass valve (local supply)
Zone1
5
Zone1
13
3
5
4
Zone1
14
Zone2
15
1
1
1
10
Optional part :
PAC-TH012HT-E
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