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General info

The user must be instructed concerning the use and operation of his heating system, in particular: 
•  Deliver these instructions to the user, as well as other documents concerning the appliance inserted in the 

envelope inside the packaging. 

The user must keep this documentation safe for future consultation

•  Inform the user about the importance of the air vents and the fl ue gas exhaust system, highlighting their 

essential features and the absolute prohibition of modifying them. 

•  Inform the user concerning controlling the system's water pressure as well as operations to restore it. 

•  Inform the user concerning correct temperature control, control units/thermostats and radiators for saving 

energy.

•  Remember that the system must receive regular maintenance at least once a year and a combustion analysis 

must be performed in the timetable foreseen by standards in force.

•  Should the appliance be sold or transferred to a new owner or if you move and leave the appliance, always 

make sure that the instruction booklet accompanies it in order to be consulted by the new owner and/or 
installer. 

The manufacturer will not be held liable in case of damage to persons, animals or objects resulting from 
failure to comply with the instructions contained in this manual.

4 -  INFORMATION PROVIDED TO THE USER 
 

BY THE INSTALLATION/MAINTENANCE TECHNICIAN

5 -  SAFETY WARNINGS

ATTENTION!
The appliance must be installed, adjusted and maintained by professionally qualifi ed personnel, in compliance 
with standards and provisions in force. Incorrect installation can cause damage to persons, animals and 
objects for which the manufacturer cannot be held responsible.

DANGER!
NEVER attempt performing maintenance or repairs on the boiler on your own initiative. 
Any work must be done by professionally qualifi ed personnel authorised by Firex. We recommend stipulating 
a maintenance contract.
Insuffi cient or irregular maintenance can jeopardise the operating safety of the appliance and cause damage 
to persons, animals and objects for which the manufacturer cannot be held responsible.

Modifying parts connected to appliance

Do not modify the following parts: 
- the 

boiler 

the gas, air, water and electricity lines 

- the 

fl ue gas pipe, safety valve and heating water drain pipe 

the construction parts which affect the operating safety of the appliance.

Smell of gas

Should a smell of gas be perceived, follow these safety guidelines: 
-   do not turn electric switches on or off 
-   do not smoke 
-   do not use the telephone 
-   close the gas shut-off valve 
-   air out the area where the gas leakage has occurred 
-   inform the gas supplier or a company specialised in installation and maintenance of heating systems.

Explosive and easily fl ammable substances

Do not use or store explosive or easily fl ammable materials (e.g. petrol, paints, paper) in the room where the 
appliance is installed.

Summary of Contents for Firex 34

Page 1: ...Biomass Wood Fired Water Heaters Operating Manual Firex34 55kW ...

Page 2: ...purposes also includes careful compliance with the instructions in this manual 3 WATER TREATMENT The hardness of the feed water conditions the frequency at which the domestic hot water producer must be cleaned If the water has a hardness greater than 15 f we recommend using water softeners chosen according to the characteristics of the water We recommend checking and cleaning any installed domesti...

Page 3: ...LLATION MAINTENANCE TECHNICIAN 5 SAFETY WARNINGS ATTENTION The appliance must be installed adjusted and maintained by professionally qualified personnel in compliance with standards and provisions in force Incorrect installation can cause damage to persons animals and objects for which the manufacturer cannot be held responsible DANGER NEVER attempt performing maintenance or repairs on the boiler ...

Page 4: ...t off With the switch at the boiler is powered electrically green indicator light on and is set up for operation The recirculation pump works Operating mode selection keys Using switch 13 it is possible to power off the system pump boiler load With the switch on 0 the system pump is not powered electrically When the switch is on the system pump is not electrically powered 32Working thermostat 41Ge...

Page 5: ...imum temperature approx 65 C within the required amount of time the fan and recirculation pump will switch off The panel is powered but the boiler is not running Light the wood once again Heating temperature control It is possible to control the temperature of the FIREX boiler system water by turning the knob pos 32 clockwise to raise it and counter clockwise to lower it Temperature is adjusted be...

Page 6: ...normally closed when the loading door is closed Opening the loading door causes the fan to start up automatically In this way the smoke accumulated in the wood storage is suctioned and sent to the chimney directly The bypass in conclusion allows the smoke to be discharged to the chimney without escaping from the loading door when loading the wood or during lighting Complete decommissioning When th...

Page 7: ... together with the moisture content contribute to determine the boiler s output Small pieces with a length however conforming to indications indicated hereby are more easily flammable and therefore have the tendency to increase the boiler s output and therefore to reduce its autonomy Moreover they fall with greater facility in the lower chamber reducing the risk of the formation of bridges The so ...

Page 8: ... LOADING Before loading wood once again consume the previous one as much as possible It can be reloaded when the bed of embers in the firewood compartment will be reduced to a thickness of about 5 cm Open the loading door and the internal anti smoke door slowly It is necessary to use wood logs with the length stated in the previous paragraph Place the new wood logs as described above USEFUL TIPS L...

Page 9: ...G SEALS During the initial start up check the tightness of the smoke circuit and the connection to the chimney If there is any noticeable smoke leakage alert the installer and or our After Sales Service If there is any noticeable aspiration of air through the door seals tighten the handle with greater force Make sure the working thermostat is in good running order Te 32 at full power until it stop...

Page 10: ...erefore necessary to install a mixer valve The corrosion caused by the flue gas condensation is not covered by the warranty as it is caused by the wood s moisture content and the way the boiler is used WARNINGS DURING USE Every time the air is adjusted wait 5 10 minutes before proceeding with the next adjustment When you have established the best air adjustment at the end of the day check the surf...

Page 11: ...he firewood storage compartment Use the supplied brush to clean the triangular ducts in the furnace Remove the ashes contained in the smoke chamber from the side doors using a scraper Make sure that the slots in the grate are not obstructed if they are clear them up using the poker If the boiler continues to operate badly even after having cleaned it as described above the cause can be attributed ...

Page 12: ...m When opening the loading door there are blowbacks and smoke escape Remedy Open slowly Use damper wood make sure that the boiler has not have prolonged downtime see chap 6 9 Use larger logs Consume the previous load of wood before reload ing Problem The boiler does not reach the requested temperature The flame is small and there is too much air Inspecting the wood storage the formation of log bri...

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