Ariston 47-116-17 installation instructions Water Circuit Diagrams, C4 = Timer

C3 = CONNECTION TO ROOMSTAT

1:Input - 1

2:Input - 2

C4 = TIMER

1:3 V output

2:Timer ground

3:Timer output

4:Not connected

C5 = REMOTE CONTROL (Bus+/Bus-)

1:Input/output-1

2:Input/output-2

C6 = SENSOR CONNECTOR

1:Domestic hot water flow switch (grey)

2:Main circuit flow switch (grey)

3:Under floor heating thermostat (grey)

4:Heating flow sensor (grey)

5:Heating return sensor (grey)

6:Domestic hot water sensor (grey)

7:Not used: jumper

8:Outdoor sensor (grey)

9:Domestic hot water flow switch (grey)

10:Main circuit flow switch (grey)

11:Under floor heating thermostat (grey)

12:Flow sensor (grey)

13:Heating sensor (grey)

14:Domestic hot water sensor (grey)

15:Not used: under floor heating

16:Outdoor sensor (grey)

C7 = EQUIPMENT CONNECTIONS

1:Secondary output (optional)

2:Gas valve (white)

3:3-way valve neutral (white)

4:Pump (white)

5:Ionisation (black)

6:Not connected

7:Ground

8:Pump earth (yellow/green)

9:Secondary output (optional)

10:Gas valve (brown)

11:3-way valve (domestic hot water) (brown)

12:3-way valve (heating) (brown)

13:Pump (brown)

14:Not connected

15:Earth

16:Gas valve earth (yellow/green)

2.12.WATER CIRCUIT DIAGRAMS

24 MFFI

LEGEND:

1 - Fan

2- Main Heat exchanger

3- Ignition/detection electrode

4- Burner

5- Gas valve

6- Heating return temperature probe

7- Heating flow temperature probe

8- Silencer

9- Motorised valve

10- Automatic by-pass

11- Main circuit flow switch

12- Domestic hot water temperature probe

13- Secondary heat exchanger

14- Domestic hot water inlet filter

16 - Drain valve

17 - Safety valve

18 - Pressure gauge

19 - Circulation pump with automatic air release valve

20 - Expansion vessel

21 - Condensate trap inspection cap

22 - Condensate trap

23 - Condensate discharge tube

24 - Condensate trap inlet

25 - Injector

26 - Domestic hot water flow switch

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