Local System - Mitsubishi Electric Ecodan EHSC series Installation Manual

3
Technical Information

Local system

1-zone temperature control
2-zone temperature control
3
4
7
2
9
1-zone temperature control with boiler
13
14
15
3
5
4
2
6
1.  Z one1heatemitters(e.g.radiator,fancoilunit)(fieldsupply)
2. Mixingtank(fieldsupply)
3. Zone1flowwatertemp.thermistor(THW6)(option)
4. Zone1returnwatertemp.thermistor(THW7)(option)
5. Zone1watercirculationpump(fieldsupply)
6. Zone1flowswitch(fieldsupply)
7. Motorizedmixingvalve(fieldsupply)
8. Zone2flowwatertemp.thermistor(THW8)(option)
9. Zone2returnwatertemp.thermistor(THW9)(option)
10. Zone2watercirculationpump(fieldsupply)
11. Zone2flowswitch(fieldsupply)
12.  Z one2heatemitters(e.g.underfloorheating)(fieldsupply)
13. Boilerflowwatertemp.thermistor(THWB1)(option)
14. Boilerreturnwatertemp.thermistor(THWB2)(option)
15. Boiler
Note: Cooling mode cannot run under 2-zone temperature control but can run both in Zone1 and Zone2 under 1-zone temperature control.
Zone1
1
Zone1
5
6
1
Zone2
8
10
12
11
Zone1
1
3
5
4
2
6
2-zone temperature control with boiler
13
14
15
7
2
Zone1
1
Zone1
3
5
4
6 1
Zone2
8
10
9
12
11
14