Riello Tregi 3/100 NK Installation, User-Operation, Maintenance And System Management Manual Download Page 44

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TECHNICAL ASSISTANCE SERVICE

CAUSE

SOLUTION

FAULT

Burner badly adjusted

Check the adjustment of the

burner (perform flue gas analysis)

Blockage in stack

Clean the flue gas pipes and

stack

Burner air intake dirty

Clean the burner air intake

The boiler becomes dirty very
quickly

Boiler dirty

Clean the flue gas pipes

Boiler and burner mismatched

Check specifications and

settings

Insufficient air/fuel flow to burner

Check and adjust the burner

Control thermostat problem

Check the functioning of the thermostat

Check the temperature setting

The boiler does not reach its
temperature setpoint

Control thermostat problem

No water supply

Air in the circuit

Check the circuit pressure

Check the vent valve

The boiler enters temperature
safety lockout

Check the functioning of the thermostat

Check the temperature setting

Check the electrical wiring

Check the sensors

Air in the circuit

Bleed the circuit

Pump malfunctioning

Check/unseize the pump

The boiler has reached the set
temperature but the radiators
are still cold

Fumes escaping into the air

Clean the boiler body

Clean the flue gas pipes

Check the seals between the

boiler head and the flue gas box

Check that the boiler, flue pipes

and flue gas exhaust stack are all

properly sealed

There is a smell of fumes

TROUBLESHOOTING

Summary of Contents for Tregi 3/100 NK

Page 1: ...INSTALLATION USER OPERATION MAINTENANCE AND SYSTEM MANAGEMENT MANUAL CAST IRON BOILERS g N g NK...

Page 2: ...ctions of the Electromagnetic Compatibility Directive 2004 108 CE and Low Voltage Directive 2006 95 CE 0694 MODEL CODE g 3 N 4040719 g 4 N 4040720 g 5 N 4040721 g 6 N 4040722 g 7 N 4040723 g 8 N 40407...

Page 3: ...rised r Technical Assistance Centre Their personnel are specially trained to keep your boiler efficient and cheap to run Technical Assistance Centres also stock any original spare parts that might be...

Page 4: ...ion in older systems and systems requiring modernisation 25 Water connections 25 Fitting the casing panels 29 Wiring 31 Combustion gas exhaust 34 Filling and emptying the system 35 TECHNICAL ASSISTANC...

Page 5: ...ected In particular bThe boiler is delivered in a single crate Check that the appliance is complete and undamaged as soon as you receive it Report any discrepancies or damage to the r dealer who sold...

Page 6: ...ened completely to facilitate the inspection maintenance and cleaning of internal parts and to speed up servicing in general If equipped with an optional total shutdown control card r g boilers can im...

Page 7: ...Automatic vent valve 3 Non return valve 4 Storage cylinder pump 5 Storage cylinder drain cock 6 Boiler sensor socket 7 Burner 8 CH drain cock 9 Storage cylinder 100 l 10 Boiler body 11 Casing 12 Dome...

Page 8: ...4 Boiler sensor socket 5 Burner 6 CH drain cock 7 Storage cylinder 60 l 8 Automatic vent valve 9 Storage cylinder pump 10 Boiler body 11 Casing 12 Domestic hot water outlet 13 Magnesium anode 14 Stora...

Page 9: ...thermostat Allows you to set the temperature of the central heating water 4 Electrical power indicator green Lights to show that the boiler is receiving electrical power 5 Burner lockout indicator red...

Page 10: ...indicator green Lights to show that the boiler is receiving electrical power 5 Burner lockout indicator red Lights to show that the burner lockout has tripped 6 Summer I Winter II selector 7 Storage c...

Page 11: ...ner lockout indicator TS Safety thermostat 110 C 0 6 TR Boiler control thermostat 33 82 C 3 FU Mains power fuse 6 3 A T CO1 CO1A Multi connectors MO1 Terminal strip MB 7 pin burner connector PI Centra...

Page 12: ...kout indicator LV Mains power indicator CO1 CO1A Multi connectors CO2 CO2A Multi connectors MO1 Terminal strip MB 7 pin burner connector TB Storage cylinder thermostat 0 70 C 3 TL1 Maximum temperature...

Page 13: ...ecks Make sure that the performance of the old burner is adequate for the requirements of the boiler Make sure that the length and diameter of the bur ner s blast tube are suitable for the boiler s co...

Page 14: ...Pilade Riello 7 37045 Legnago VR ITALY T067676GE Mod Cod N Qn max kW Pn max kW bar Pms RIELLO S p A Via Ing Pilade Riello 7 37045 Legnago VR ITALY PAESE DI DESTINAZIONE PAYS DE DESTINATION BESTIMMUNG...

Page 15: ...3 1 2 1 0 0 9 0 78 0 70 Flue gas temperature T 140 196 202 C Maximum flue gas flow rate gas oil 0 010 0 013 0 017 0 020 0 024 0 027 0 033 0 037 Kg s Furnace pressure Minimum 0 03 0 12 0 17 0 26 0 33 0...

Page 16: ...55 63 22 31 dm3 Total surface area for heat exchange 0 93 1 30 1 67 2 04 2 41 2 78 0 93 1 30 m2 Volumetric heat load 1656 1582 1582 1562 1550 1522 1656 1582 kW m3 Specific heat load 25 7 24 2 24 1 23...

Page 17: ...heating circuit is over 1 bar but below the maximum limit specified for the boiler If this is not the case contact r s Technical Assistance Service Set the room thermostat to the required temperature...

Page 18: ...of the flame If you are going to be away for a short period of time like a weekend or a short holiday etc and outdoor tempera tures are above ZERO proceed as follows Turn the function selector to OFF...

Page 19: ...ve procedure 20 40 60 80 100 0 120 Use a cloth damped in soapy water to clean the boiler s external casing To remove stubborn marks use a cloth damped in a 50 mix of water and denatured alcohol or a s...

Page 20: ...EL UNDERTAKE PERIODIC MAINTENANCE AND COMBUSTION EFFICIENCY MEASUREMENTS r s Technical Assistance Service is qualified to satisfy these legal requirements and can also provide useful information on MA...

Page 21: ...ered in 3 boxes on a single pallet and are further protected by a nylon film 1 The BOILER BODY box to which the documentation envelope A is attached also contains Instruction manual Warranty certifica...

Page 22: ...C OVERALL DIMENSIONS AND WEIGHTS DESCRIPTION MODEL g N 3 4 5 6 7 8 9 10 A Width 450 mm B Height 850 965 mm C Overall depth 490 590 690 790 890 990 995 1095 mm D Depth 460 560 660 760 860 960 mm E 290...

Page 23: ...ION MODEL g NK 3 100 4 100 5 100 6 100 7 100 8 100 3 60 4 60 A Width 600 450 mm B Height 1470 1510 1470 mm C Overall depth 580 690 790 890 990 580 mm D Depth 550 660 760 860 960 550 mm E 290 mm Net we...

Page 24: ...two 3 4 diameter pipes 1 through the lifting holes 2 in the boiler body bWear suitable personal protective equipment and use suitable safety devices aDo not dispose of packaging material into the envi...

Page 25: ...nd the tem perature of the combustion gases and that it has been designed and made in compliance with applicable standards The stack must also be as straight as possi ble sealed insulated and not bloc...

Page 26: ...67 189 mm MI CH flow 1 1 4 F RI CH return 1 1 4 F US DHW outlet 3 4 M RC DHW recirculation 3 4 F ES domestic cold water inlet 3 4 M ES RC US MI RI g 60 NK A A B C D E F IMPORTANT To avoid damage to th...

Page 27: ...production g NK bThe domestic hot water circuit must include an expansion vessel of adequate capacity as well as a safety valve max 6 bar connected directly to the storage cylinder HEATING RETURN HEA...

Page 28: ...filled with anti freeze must be fitted with water disconnectors bIf needed water supplies and recovery circuits must be conditioned by suitable treatment systems See the table for applicable referenc...

Page 29: ...sive aluminium foil tape 4 supplied with the casing Remove the top nut 5 from the storage cylinder flan ge and fit the casing support bracket 6 Replace the nut 5 on the flange but do not tighten yet F...

Page 30: ...nto the shorter sensor holder and the TB storage cylinder thermostat 2 into the longer sensor holder Take care to push the sensors all the way into their sockets The socket for the TB thermostat senso...

Page 31: ...ntrol panel see the diagram on pages 11 12 This must be done by the heating engineer or a qualified electrician Proceed as follows to access the control panel terminal strip Remove the front and top p...

Page 32: ...trip 6 7 8 9 10 11 L1 PE TA TA 1 2 3 4 5 N L1 PE TA TA 1 2 3 4 5 N L1 PE N TA TA L1 PE 1 2 3 N PI 230V 50Hz E PB 1 2 3 L1 Live N Neutral PE Earth ground TA Room thermostat PI Central heating pump not...

Page 33: ...f the casing through the slot 1 On completion of the electrical connections replace all removed components in the opposite order aIt is strictly forbidden to use fuel and or water pipes to ground the...

Page 34: ...cal standards assu ming zero pressure at the connection to the flue gas exhaust bInadequate or badly dimensioned stacks and exhausts can increase combustion noise cause condensation problems and affec...

Page 35: ...cilitate filling the slot in the screw must be perpendicular to the direc tion of flow Open the shut off cocks for the water circuit Slowly fill the system to a cold pressure of 1 5 bar Close all prev...

Page 36: ...lose the shut off cocks for the water circuit Connect plastic hoses 5 to the hose unions on the boiler drain cock 1 and or storage cylinder drain cock 2 NK models NOTE Open the non return valve 3 to f...

Page 37: ...een correctly installed and connected 20 40 60 80 100 0 120 Once you have completed all the preparatory steps proceed as follows to start up the boiler for the first time Set the room thermostat to th...

Page 38: ...about 30 seconds before resetting the burner To reset the burner press the red button light on the burner The complete ignition cycle will be repeated up to the ignition of the flame bNo warning signa...

Page 39: ...from position II to I and back The room thermostat or timer setting is changed Make sure that the pump is free and rotates in the right direction Turn the main power switch OFF and make sure that the...

Page 40: ...e going to be away for a short period of time like a weekend or a short holiday etc and outdoor tempera tures are above ZERO proceed as follows Turn the function selector to OFF I and make sure that t...

Page 41: ...ce keeps con sumption and emissions down and ensures that the boiler continues to operate reliably over time Have your boiler serviced either by r s Technical Assistance Service or by a qualified heat...

Page 42: ...oth damped in a 50 mix of water and denatured alcohol or a suitable cleaning product Carefully dry the boiler after cleaning aDo not use abrasive products petrol or triethylene Internal Proceed as fol...

Page 43: ...flange 5 in place and remove the flange Clean inside the domestic hot water cylinder and remove any residues through the access hole Check the magnesium anode 6 for wear and replace it if necessary Ch...

Page 44: ...The boiler does not reach its temperature setpoint Control thermostat problem No water supply Air in the circuit Check the circuit pressure Check the vent valve The boiler enters temperature safety l...

Page 45: ...blem Check the efficiency of the expansion vessel The storage cylinder safety valve keeps opening DHW pump problem Check unseize the pump Check the electrical connection between the pump and the contr...

Page 46: ...46...

Page 47: ......

Page 48: ...el 0442630111 Fax 0442630371 www riello it As part of the company s ongoing commitment to perfecting its range of products the appearance dimensions technical data equipment and accessories may be sub...

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