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GENERAL

5

The boiler is delivered in separate crates. Check 
that it is complete, undamaged and as ordered as 
soon as you receive it. Report any discrepancies or 
damage to the dealer who sold it.

The

 

RTQ 3S 

boiler must be installed by a 

legally qualified heating engineer. On completion 
of the installation, the installer must issue the owner 
with a declaration of conformity confirming that 
the installation has been completed to the highest 
standards in compliance with the instructions pro-
vided by 

r

 in this instruction manual, and that it 

conforms to all applicable laws and standards.

The boiler must only be used for the purpose 
specified by 

r

 and for which it is designed. The 

manufacturer declines all responsibility, contractual 
or other, for damage to property or injury to persons 
or animals caused by improper installation, adjust-
ment, maintenance or use.

If you notice any water leaking from the boiler, dis-
connect it immediately from the mains electricity 
supply, shut off the water supply, and notify your 
local 

r

 Technical Assistance Centre or a quali-

fied heating engineer immediately.

Periodically check that operating pressure in the 
water 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 or a 

professionally qualified heating engineer.

If the boiler is not going to be used for an extended 
period of time, contact 

r

’s Technical Assistance 

Service or a qualified heating engineer to have it 
prepared for shut-down as follows:

- Switch the boiler OFF at the control panel and at the 

mains power switch

- Close the fuel cock and heating circuit water cock
- Drain the central heating circuit if there is any risk of 

freezing.

Drain the central heating circuit if there is any risk of 
freezing

This instruction manual is an integral part of the boil-
er. It must be kept safe and must ALWAYS accom-
pany the boiler, even if it is sold to another owner or 
transferred to another user or to another installation.

 

If you damage or lose this manual, order a replace-
ment immediately from your local 

r

 Technical 

Assistance Centre.

Do not allow children or infirm persons to operate 
this

 

RTQ 3S 

boiler unsupervised.

Do not operate any electrical devices or equipment, 
including switches or domestic appliances, etc., if you 
can smell fuel or fumes. If you detect any suspicious 
smells:

- Ventilate the room by opening all doors and win-

dows.

- Close the fuel shut-off cock.
- Report the fault immediately to the 

r

 Technical 

Assistance Service or a professionally qualified 
heating engineer.

Do not touch the boiler while barefoot or wet.

Never clean or service the boiler without first discon-
necting it from the mains electricity supply by turning 
the main power switch and the control panel switch 
OFF.

Do not tamper with or adjust the safety or control 
devices without prior authorisation and instructions 
from the boiler’s manufacturer.

Never pull, disconnect, or twist the electrical cables 
coming from the boiler even if it is disconnected from 
the mains electricity supply.

Do not obstruct or restrict the vents in the room 
where the boiler is installed. Adequate ventilation is 
essential for correct combustion.

Do not expose the boiler to the elements. Do not 
install the boiler outdoors. It is not designed to work 
outdoors and is not fitted with the necessary auto-
matic anti-frost systems to do so.

Do not switch the boiler off if outdoor temperature 
drops below ZERO (risk of freezing).

Do not store containers of flammable substances in 
the room where the boiler is installed.

Do not dispose of packaging material into the envi-
ronment, or leave it within the reach of children, 
since it can become a potential hazard. Dispose of 
packaging material in compliance with applicable 
legislation.

The operation of any appliance that uses fuel, electrical power and water demands that a number of fundamental safety 
precautions be respected.

GENERAL SAFETY INFORMATION

PRECAUTIONS

Summary of Contents for RTQ 35 3S

Page 1: ...INSTALLATION OPERATION MAINTENANCE AND SYSTEM MANAGEMENT MANUAL S T E E L B O I L E R S RTQ 3S 35 55 70...

Page 2: ...y the requirements of the Gas Appliances Directive 2009 142 EC until 20 April 2018 and Regulation EU 2016 426 from 21 April 2018 and applicable sections of the Electromagnetic Compatibility Directive...

Page 3: ...larly by an authorised 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 par...

Page 4: ...in older systems and systems requiring modernisation 18 Water connections 18 Anti condensate pump 20 Combustion gas exhaust 20 Door hinges 21 Changing the direction of door opening 21 Earth connection...

Page 5: ...st ALWAYS accom pany the boiler even if it is sold to another owner or transferred to another user or to another installation If you damage or lose this manual order a replace ment immediately from yo...

Page 6: ...ators inside the flue gas pipes establish an ideal pressure inside the combustion cham ber and an ideal flue gas temperature Evenly distributed thermal load optimises the efficiency of the boiler burn...

Page 7: ...Wood fuelled Solar DHW Direct CH circuit Mixed CH zone 1 Mixed CH zone 2 1 2 M C 1 2 M C 1 2 M C 1 2 M C 1 2 M C 1 2 M C 1 2 M C 1 2 M C 1 2 M C 1 2 M C CLIMA TOP STANDARD Control by control panel wit...

Page 8: ...NT NOTES FOR BURNER INSTALLATION Before fixing the burner to the boiler make sure that The door opens the right way see the relevant sections for details on how to reverse the door The length L of the...

Page 9: ...l number plate This is located on the boiler body and specifies the serial number model and furnace power Data plate This lists the technical specifications and perfor mance of the product It comes in...

Page 10: ...93 8 94 2 Useful efficiency at 30 47 C 95 9 95 5 95 9 Constant pressure drop 1 5 Flue gas temperature 98 94 92 C Flue gas mass flow rate 0 015 0 024 0 030 kg sec Furnace pressure 0 4 0 9 0 6 mbar Furn...

Page 11: ...gas cock and heating water cock are open While the system is still cold check that working pres sure in the water circuit is over 1 bar but below the maximum limit specified for the boiler If the syst...

Page 12: ...e red button light on the burner and wait until the flame ignites Repeat this operation 2 3 times at the most If the prob lem persists after that call r s Technical Assistance Service If you need to s...

Page 13: ...ter any problems in completing the above procedure 20 40 60 80 100 0 120 b The combustion chamber and flue pipes must be cleaned periodically by the Technical Assistance Service or by a qualified heat...

Page 14: ...lified to satisfy these legal requirements and can also provide useful information on MAINTENANCE PROGRAMMES designed to guarantee greater safety compliance with applicable legislation freedom from th...

Page 15: ...tificate of Warranty and water test certificate Bar code labels Spare parts catalogue b The instruction manual is an integral part of the boiler Once located read it thoroughly and keep it safe 2 THE...

Page 16: ...crews and remove the wooden pallet before positioning the boiler b Wear suitable personal protective equipment and use suitable safety devices DIMENSIONS RTQ 3S 35 55 70 A Width 605 605 705 mm A1 Base...

Page 17: ...particularly important to keep the boiler room clean On the heater This is more practical with a combined installation heat ing and hot water In this case r 7300 boiler heater combinations are used as...

Page 18: ...een installed by a qualified electrician in compliance with applicable standards Make sure that the oil feed line and any oil storage tank are made and installed in compliance with applicable standard...

Page 19: ...uric acid ions below 50 ppm Total iron below 0 3 ppm Alkalinity M below 50 ppm Total hardness 35 F Sulphur ions none Ammonia ions none Silicon ions below 30 ppm Below are given the two main hydraulic...

Page 20: ...to avoid damage until the boiler returns to a stable operating temperature While the system is operating this pump must guarantee a flow rate between 20 and 30 maximum flow to ensure a water return t...

Page 21: ...ondensation problems and have a negative effect on combustion parameters bAny discharge pipes that are not insulated are a potential hazard bThe connections must be sealed with material resistant to t...

Page 22: ...proves difficult to align the bolt 6 with the hole in the door slightly loosen the door fixing bolts 1 and lift the door gently to align the hole with the bolt 6 Only lift the door by means of equipme...

Page 23: ...e opposite side of the door and fix it in place with the safety bolts 4 b bMake sure that the safety bolts 2 and 4 are securely tightened before attempting to open the door Completely unscrew the main...

Page 24: ...sure that the cable is of adequate size and complies with legislation in the country of installation Fit the nut and washer 1 to the earth terminal and tighten the nut Connect the other end of the cab...

Page 25: ...ts A in the front and rear heads Fit your chosen control panel on the top panel 4 as instructed in the control panel s own instruction manual Route the electrical cables and insert the bulbs sensors i...

Page 26: ...tubes and the clips 3 are resting against the wall 4 of the heat exchanger The water and gas cocks are open There is an adequate fuel supply The expansion vessel is properly charged The working press...

Page 27: ...emain in operation until the set temperature is reached If any ignition faults or malfunctions occur the burner performs a LOCKOUT SHUTDOWN This is shown by the red button light on the burner and by t...

Page 28: ...re no leaks from around the door seal If there is any leakage of combustion gases adjust the door as instructed on page 29 Make sure that all the pumps in the system are free and rotate in the right d...

Page 29: ...y unscrew the main fixing bolts 1 and open the door These bolts are captive in the door and can not be removed b bThe first time you open the door remove the spare hinge assembly B bushing 10 bolt 9 a...

Page 30: ...ion chamber and the flue gas pipes Open the inspection window 4 and clean out any deposits from inside the flue gas box If more thorough cleaning is required remove the flue gas box cover 5 Fit a new...

Page 31: ...fuel flow to burner Control thermostat problem Clean the flue gas pipes Check specifications and settings Check and adjust the burner Check the functioning of the thermostat Check the temperature sett...

Page 32: ...7045 Legnago VR www riello com The manufacturer strives to continuously improve all products Appearance dimensions technical speci cations standard equipment and accessories are therefore liable to mo...

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