Mitsubishi Electric EHSD-YM9C - Page 33

33
1-zone temperature control
2-zone temperature control 1-zone temperature control with boiler
2-zone temperature control with boiler
1-zone temperature control (2-zone valve ON/OFF control)
Local system
3
7
5
2
4
6
8
9
11
11
1
12
10
11
Zone1
Zone2
1
2
3
5
6
4
Zone1
1
5
4
3
6
2
13
14
15
Zone1
2
13
14
15
7
5
4
3
6
1
8
9
10
11
12
Zone1
Zone2
*
1
Flow switch specications: 12 V DC / 1 mA / Both normally-open and normally-closed types can be used. (Set DIP switch 3 to select the logics. Refer to “6-16. DIP switch functions”.)
1. Zone1 heat emitters (e.g. radiator, fan coil unit) (local supply)
2. Mixing tank (local supply)
3. Zone1 ow water temp. thermistor (THW6)
4. Zone1 return water temp. thermistor (THW7)
5. Zone1 water circulation pump (local supply)
6. Zone1 ow switch (local supply) *
1
7. Motorized mixing valve (local supply)
8. Zone2 ow water temp. thermistor (THW8)
9. Zone2 return water temp. thermistor (THW9)
Optional part :
PAC-TH011-E
Optional part :
PAC-TH011-E
10. Zone2 water circulation pump (local supply)
11. Zone2 ow switch (local supply) *
1
12. Zone2 heat emitters (e.g. underoor heating) (local supply)
13. Boiler ow water temp. thermistor (THWB1)
14. Boiler return water temp. thermistor (THWB2)
15. Boiler (local supply)
16. Zone1 2-way valve (local supply)
17. Zone2 2-way valve (local supply)
18. Bypass valve (local supply)
Optional part :
PAC-TH011HT-E
1
Zone1
16
18
Zone1
Zone2
17
OCH571D