Unigas PN30 Installation Manual download pdf (Page 8)

PART I: INSTALLATION MANUAL8

HYDRAULIC DIAGRAMS 3ID0010 E 3ID0012 - Complete key

1 Oil storage tank

2 Foot valve

3 Oil storage tank pre-heating coils (1)

4 Oil circuit filter (1 mm mesh)

5 Circuit pressure regulator

6 Pressure gauge scale 0 - 10 bars

7 Pressure regulator by-pass valve (5)

8 Gate valve

9 Oil circuit pressure regulator pump

10 Pump pressure regulator (9)

11 One-way valve

12 Oil buffer tank pre-heater (19)

13 Oil buffer tank thermostat

14 Burner enabling thermostat

15 Thermometer scale 0 - 90° C

16 Oil buffer tank heater enabling pressure switch

17 Oil buffer tank pre-heating coil (19)

18 Oil buffer tank air vent valve

19 Oil buffer tank, capacity 600 l approx.

20 Oil filter (0.3 mm mesh)

21 Fuel cutoff solenoid valve

22 Fuel gate valve

23 Burner pump hoses (24)

24 Burner oil pump

25 Pre-heating tank resistor

26 Pre-heating tank

27 Oil enabling thermostat TCN (26)

28 Pre-heating tank resistor safety thermostat TRS (26)

29 Oil temperature regulator thermostat TN (26)

30 Pre-heating tank (26) filter (0.1 mm mesh)

31 Thermometer 0 - 200° C

32 Check valve, opening 3.5 - 6 bars

33 Solenoid valve EVN1

37 Ignition enabling thermostat TCI

42 Burner enabling thermostat

43 Burner

45 Coils and tubes pre-heating pumps thermostat

46 Oil buffer tank pre-heating water pump (19)

47 Oil storage tank pre-heating water pump (1)

48 Pre-heating water balance calibration valves

50 Oil pump (diagram 3ID0012 only)

52 Maximum circuit pressure switch (if present)

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 31 32

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Unigas PN30 Installation Manual Page 8

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