Ariston GENUS 27 RFFI SYSTEM Installation Instructions Manual Download Page 18 | Manualshive

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18

B004

GENUS 30 MFFI

2.12

Water Circuit Diagram

Legend

1. Air Pressure Switch

2. Fan

3. Main Heat Exchanger

4. Burner

5. Electronic Ignitor and

Electronic Flame Detector

6. Gas Valve

7. Overheat Thermostat

8. Heating Sensor

9. Diverter Valve (MFFI)

Motorised Valve (RFFI)

10. Main Flow Switch Including

Safety Pressure Switch for

Primary Circuit

11. Automatic By-pass

12. Microswitch for Diverter Valve

13. Sensor for Domestic Hot Water

14. Secondary Heat Exchanger

15. Domestic Water Inlet Filter

16. Drain Valve

17. Safety Valve

18. Water Pressure Gauge

19. Circulation Pump with Automatic

Air Valve

20. Expansion Vessel

A. Central Heating Flow

B. Domestic Hot Water Outlet

C. Gas Inlet

D. Domestic Cold Water Inlet

E. Central Heating Return

F.

Cylinder Flow

G. Cylinder Return

GENUS 27 RFFI SYSTEM

028A

029A

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Summary of Contents for GENUS 27 RFFI SYSTEM

Page 1: ...Installation Instructions Type C Boilers G C N 41 116 01 47 116 20 LEAVE THESE INSTRUCTIONS ADJACENT TO THE GAS METER Country of destination GB...

Page 2: ...2 10 Room Thermostat Connection 2 11 Electrical System Diagrams 2 12 Water Circuit Diagrams 3 COMMISSIONING 3 1 Initial Preparation 3 2 Removing the Casing 3 3 Control Panel 3 4 Initial Start up 3 5...

Page 3: ...ty You will find the data plate on the reverse of the control panel The gas with which this appliance operates is also shown on the label at the bottom of the boiler Do not install this appliance in a...

Page 4: ...of the exchanger and fan if necessary 8 Regulate the gas pressure ignition pressure partial flame maximum flame 9 Check proper operation of the heating safety system maximum safety temperature maximu...

Page 5: ...alve RFFI 10 Main Circuit Temperature Probe 11 Main Circuit Flow Switch 12 Domestic Hot Water Temperature Probe 13 Diverter Valve Microswitch 14 Filter Seat 15 Drain Valve 16 Secondary Heat Exchanger...

Page 6: ...m sealed appliance is installed in a room containing a bath or shower the boiler and any electrical switch or appliance control utilising mains electricity should be situated so that it cannot be touc...

Page 7: ...B D E C 465 99 99 132 67 65 85 155 208 30 49 F G A D E C AF C DGE GENUS 30 MFFI GENUS 27 RFFI SYSTEM In order to allow for access to the interior of the boiler for maintenance purposes the boiler must...

Page 8: ...as follows The yellow green wire should be connected to the terminal marked with the earth symbol make sure to re use the ferrule mounted on the other supply cord The blue wire should be connected to...

Page 9: ...e only for sealed systems Drain Cocks These must be located in accessible positions to permit the draining of the whole system The taps must be at least 15mm nominal size and manufactured in accordanc...

Page 10: ...d one for the summer This enables the flow rate through the appliance to be adjusted so that a sensible D H W temperature may be achieved throughout the year Domestic Water The domestic water must be...

Page 11: ...terminal facing a terminal 1200 J From an opening in the car port e g door window into dwelling 1200 K Vertically from a terminal in the same wall 1500 L Horizontally from a terminal in the same wall...

Page 12: ...intake located on the top part of the combustion chamber A A A Fig 2 8 This procedure must be done as follows 1 Remove the air vent intake you want to use in the area indicated in Fig 2 9 by breaking...

Page 13: ...m L 7 5 m L 6 5 m L 6 5 m L 6 5 m L 5 3 m L 4 5 m L 4 5 m L 4 5 m L 4 5 m L Length of Piping In calculating the lengths of the pipes the maximum length must also take into consideration the values fo...

Page 14: ...be connected in series as per points 1 8 above Note Only a two wire type room thermostat can be used For details on fitting the D H W probe Genus 27 RFFI only please consult the separate instruction s...

Page 15: ...ection Q On Off L E D R On Off Switch S Interface Wire for P C B s T Relay Motorised Valve U Ignitor Relay V Gas Valve Relay W Fan Relay X Circulation Pump Relay Y Selector TCS2 Z Link for Continuous...

Page 16: ...16 B004 Aa GENUS 30 MFFI Aa GENUS 27 RFFI SYSTEM 024A 025A...

Page 17: ...17 B004 CN202 P GENUS 30 MFFI P GENUS 27 RFFI SYSTEM 026A 027A...

Page 18: ...Safety Pressure Switch for Primary Circuit 11 Automatic By pass 12 Microswitch for Diverter Valve 13 Sensor for Domestic Hot Water 14 Secondary Heat Exchanger 15 Domestic Water Inlet Filter 16 Drain V...

Page 19: ...the pressure gauge Inspect the system for water soundness and remedy any leaks discovered Filling of the D H W System Close all hot water draw off taps Open the cold water inlet cock supplied with th...

Page 20: ...Ignition Lockout L E D C Selector Knob for Summer Winter Flue Analysis Modes D Low System Water Level L E D E Temperature Adjustment Knob for Domestic Hot Water F Heating System Thermometer G Safety O...

Page 21: ...he lines Loosen the cap on the head of the pump to eliminate any air pockets Repeat the procedure for bleeding the radiators of air Open the taps for a brief period Check the system pressure and if it...

Page 22: ...a shutdown status With a differential manometer connected to the test socket on the combustion chamber the DP value for the air pressure switch can be taken The measured value should not be less than...

Page 23: ...afety pressure switch on the primary circuit has not sensed a pressure of at least 1 bar within 40 seconds of the activation of the circulation pump it shuts off the boiler and lights the L E D D The...

Page 24: ...Authorised Service Centre The operations that must be performed are the following 1 Replace the jets on the main burner see table in section 4 2 Adjust the maximum and minimum thermal capacity values...

Page 25: ...exhaust fan if needed 8 Adjustment of the flow rate of the gas flow rate for lighting partial load and full load 9 Check of the heating safety systems safety device for maximum temperature safety devi...

Page 26: ...en 4 5 on the junction box If a room thermostat is not requied on Zone 2 insert a link between 6 8 on the junction box V4043H VALVE BROWN 8 BLUE 2 GREY 9 ORANGE 10 GREEN YELLOW 3 Honeywell ST 699B 100...

Page 27: ...4 E 1 2 Link 2 3 6 Sunvic DHP 2201 6 3 E 1 2 Towerchron FP 6 10 2 1 Link 1 5 4 7 9 Towerchron MP 6 10 2 1 Link 1 4 6 11 Towerchron 2000 HW HTG N L ON ON ACL LS522 LS722 3 4 N L Randall 922 972 3 6 E N...

Page 28: ...3 mbar G30 G31 Kg h 2 35 2 32 2 60 2 57 Temp of exhaust fumes at nominal capacity G20 G25 C 128 135 CO2 Content 6 6 7 5 O2 Content 8 0 8 0 CO Content ppm 34 49 Minimum Ambient Temperature C 5 5 Head L...

Page 29: ...User s Manual...

Page 30: ......

Page 31: ...FORMATION AND TROUBLESHOOTING page 13 IMPORTANT Please read this manual carefully For additional information please consult the Installation and Servicing Instructions Please ensure manuals provided a...

Page 32: ...y the gas meter Your local MTS Servicing Centre is at your complete disposal for all requirements MTS GB Limited Every attempt has been made to avoid errors of any kind in this User s Manual the Manag...

Page 33: ...ate T 25 C Flow rate T 35 C Minimum flow rate ELECTRICAL DATA Electrical Supply Frequency Wattage Rating Protection of Electrical System CATEGORY Nominal Pressure Methane Gas G20 Nominal Pressure Liqu...

Page 34: ...sis Modes D Low System Water Level L E D E Temperature Adjustment Knob for Domestic Hot Water F Heating System Thermometer G Safety Overheat Thermostat Intervention L E D H Adjustment Knob for Heating...

Page 35: ...ol The warning L E D D will indicate if the pressure is below the minimum recommended value Consult your installer for checking and refilling the system The outer panels of the unit s case must only b...

Page 36: ...ollowing The water pressure on the pressure gauge O That the gas cock and the inlet for domestic water are open These models are equipped with electronic ignition which utilises contact ionisation To...

Page 37: ...lation pump always re mains in operation I L C H F Installation with a room thermostat Turn the C selector knob to Turn on the power supply to the boiler by pressing the On Off switch L the green L E...

Page 38: ...the boiler by pressing the On Off switch L With these settings the boiler is already ready for use regardless of the position of the C selector knob Turn the E knob to select the temperature for the h...

Page 39: ...it s default settings activate using a pencil or similar pointed instrument Do this every time you wish to Reset the time switch to erase all switching times and the current time of day I L After app...

Page 40: ...ry day 1 2 3 4 5 6 7 then store using the key otherwise select the days it is to be carried out on by using the Day key When the day selection is left blank the programmed switching instruction operat...

Page 41: ...again according to the entered switching program You can only return to automatic mode from the continuously ON and continously OFF switching modes by pressing the key READING THE PROGRAMMED SWITCHING...

Page 42: ...switching times is also carried out as described in Entering the switching times In addition a complete switching command is stored automatically after around 90 seconds provided no other key is pres...

Page 43: ...A button At this point the electronic ignition system will attempt to light the burner again If lighting failure occurs repeatedly it is recommended that you contact one of our Authorised Service Cent...

Page 44: ...and then back on with the On Off button L If this situation persists contact one of our Authorised Service Centres O D I L FLUE TEST FEATURE only for authorised personnel The C Summer Winter Flue Tes...

Page 45: ...shutdown of the unit is immediately signalled by the yellow N L E D which remains on for the entire shutdown period This period lasts approximately 12 minutes after which time the unit automatically r...

Page 46: ...18 B003 NOTES NOTES...

Page 47: ......

Page 48: ...pA Italy Commercial subsidiary MTS GB LIMITED MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone 01494 755600 Fax 01494 459775 Technical Service Hotline 01494 539579 Cod 23 99 84 1256...

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