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Summary of Contents for Unical FIREX 2S
- Page 1 FIREX 2S OPERATING INSTRUCTIONS FOR THE USER...
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Page 2: Table Of Contents
The appliance is intended to operate in hot air circulation heating systems. Any other use must be consid- ered improper. UNICAL shall not be held liable for any damage resulting from improper use; in this case the user is fully responsible for the risk. -
Page 3: Safety Warnings
DANGER! NEvER attempt performing maintenance or repairs on the boiler on your own initiative. Any work must be done by professionally qualified personnel, authorised by Unical. We recommend stip- ulating a maintenance contract. Insufficient 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. -
Page 4: Operating Instructions
6 - OPERATING INSTRUCTIONS 6.1 - CONTROL PANEL Functions of switches: Luminous main switch (green) boiler functions adjustment MENU key fan start key functions value increase key control unit RESET key summer / winter key functions value decrease key safety thermostat reset key (located on the left key to change priority domestic hot water /heating side) boiler maximum temperature sound alarm... - Page 5 FUNCTIONS OF CONTROL SWITCHES / CONTROL KEYS: “CH” setting when the boiler has been requested heating through the chronothermostat (or room thermostat) input contact. Pressing the switch powers the panel and all the oper- “MAINT” when a DHW or heating request is activated, and ations connected to it.
- Page 6 IMPORTANT! Before powering the panel board, ensure the main switch is on O and that the safety thermo- stat is “reset". Starting up the boiler This switch connects and disconnects power to the boiler. - With the switch at 0 , the boiler is not powered electri- cally (green indicator light off).
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Page 7: Panel Board
If the room thermostat is not requesting the words WINT OFF WOOD COMB. are displayed, or if there is no demand for DHW the words SUMMER OFF WOOD COMB. In Summer mode, the heating system pump is disabled. Programming procedure (only qualified personnel) To enter parameter programming, hold the key pressed for about 8 seconds until the first modifiable pa-... - Page 8 When the water temperature in the boiler goes below the If the safety device of the boiler trips repeatedly, do not try figure set in parameter P1 the pumps stop. to restore operation of the boiler on your own, but contact an After Sale Service Centre.
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Page 9: Checks Before Commissioning
6.2 - CHECKS BEFORE COMMISSIONING Before commissioning the appliance, the following should be checked: - Make sure that the shut-off valves for maintenance on the flow and return pipes of the system are open. - Check the connection of the safety valves to the sewer system. -
Page 10: Start-Up
6.3 - FIREWOOD Wood is formed mainly by cellulose and lignite. Resinous trees are, normally, second-rate quality fuels. It also contains other substances, such as Wood is therefore an extremely heterogeneous fuel, resin (fir - pine), tannin (oak - chestnut) and, due to different essences (beech, oak, fruit, resinous), obviously, a large quantity of water. -
Page 11: Combustion Air Adjustment
The wood must have the following length: FURTHER LOADING a) 50 cm (+ 1 cm, - 4 cm) Before loading wood once again, consume the previous for model FIREX 34 one as much as possible. b) 50 cm (+ 1 cm, - 4 cm) You can add more wood when the bed of embers in the for models FIREX 45 firewood compartment is about 5 cm deep. -
Page 12: Checks To Be Carried Out After Commissioning
To bring the flame to optimum conditions you should then adjust the primary air by turning the knob (pos. P). Do the same for the secondary air (pos. S). Example no.1 Thick damp wood that is difficult to burn S - Very closed (try to obtain the maximum dimension of the flame, but not reddish in colour). -
Page 13: Summer Mode
6.9 - WARNINGS HOW TO AvOID CORROSION IN THE WOOD STORAGE COMPARTMENT it is therefore necessary to install a mixing valve. The The use of wood with a high moisture content (higher than corrosion caused by the flue gas condensation is not about 25%) and/or loads not proportioned to the system’s covered by the warranty, as it is caused by the wood’s heat request (long OFF periods with the wood storage... -
Page 14: Maintenance
6.11 - MAINTENANCE Danger! In this case: Before performing any maintenance, 1) check the adjustment of the air setting, according to make sure the boiler and its components the instructions given in the paragraph “Combustion have cooled down. air adjustment”. 2) ensure the two secondary air supply holes into the grate Warnings housing are not obstructed: if they are, use a soft brush... -
Page 15: Troubleshooting
6.12 - TROUBLESHOOTING Probe alarm signal: Faulty probe temperature measurement: In case of failure or disconnection of one or more temper- Should one or more probes supply faulty temperature ature probes, the control unit signals that they are missing measurements, try to replace it/them; also check to indicating the number of the missing probe by a short ensure no voltage reaches the input of a possible chron- beep of the buzzer. - Page 16 46033 casteldario - mantova - italia - tel. +39 0376 57001 - fax +39 0376 660556 S.p.A. info@unical-ag.com - export@unical-ag.com - www.unical.eu Unical will not be held responsible for possible inaccuracies due to transcription or printing errors. It reserves the right to modify its products as deemed necessary or useful, without jeopardising their essential features.
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