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Summary of Contents for Unical EVE 05 RTN 24
- Page 1 RTN 24 - RTFS 24 CTN 24 F - CTFS 24 F CTN 24 - CTFS 24 INSTALLATION USE AND MAINTENANCE 00332243 - 3 edition - 10/2010 English...
- Page 2 Damage and/or injury caused by incorrect installation or use and/or damage and/or injury due to non-observance of the manufacturer’s instructions shall relieve UNICAL from any and all contractual and extracontractual liability. Before installing the boiler, check that the technical data correspond to requirements for its correct use in the system.
- Page 3 Users easy guide REMEMBER: • Periodically check the water pressure into the boiler. • Ascertain to be able to turn OFF the appliance in case of emergency (power, gas and water supply). • Make sure to be familiar with the switching ON and OFF and with the temperature adjusting knobs.
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Page 4: Winter Operation
Users easy guide CONTROLS °C ® Display Reset Central heating Manometer Domestic Hot Water push button temperature adjusting temperature adjusting knob knob HOW TO START THE BOILER Swicth ON the boiler through the external switch. Check if a room thermostat or a chronothermostat is fitted and set it on heat request. Winter operation (Central Heating + Domestic Hot Water) for C models (Central Heating only) for R models... - Page 5 Users easy guide HOW TO SET THE WATER PRESSURE INTO THE SYSTEM The water pressure into the system has to be checked periodically, in order to be sure of the boiler correct operation. The manometer arrow has to be above 0.8/1 bar when the boiler is switched off or in stand-by position.
- Page 6 General info The essential requirements of the Directive regarding electromagnetic compatibility DATA PLATE (Directive 89/336/CEE) CE Marking The essential requirements of the Efficiency Directive (Directive 92/42/CEE) The CE marking documents that the boilers satisfy: The essential requirements of the low voltage Directive (Directive 73/23/CEE) The essential requirements of the Directive regarding gas appliances (Directive 90/396/CEE) ®...
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Page 7: Table Of Contents
General info For your own safety, observe these safety instructions.: WARNING WARNING PLEASE NOTE: Identifies potentially dangerous from risk of electric shock. User tip for the optimum utilisation situations. and setting of the control(s) plus useful information. User easy guide .............. -
Page 8: Technical Features And Dimensions
C.H. temperature selector (45/78°C) + sum- • Plates heat exchanger for the DHW pro- mer/winter position. EVE 05 RTN 24 open boiler, with electronic duction (CTN 24 – CTFS 24) ignition, for heating only; • Reset push button / Chimney sweeper but- •... -
Page 9: Hydraulic Circuit
Installation info 1.3 - HYDRAULIC CIRCUIT Flow switch - Cold water filter EVE 05 CTN 24 F D.H.W. flow restrictor Gas valve D.H.W. temperature sensor Burner nozzles Ionisation/Ignition electrode Burner Bithermal heat exchanger H.L. thermostat Flue gas manifold/down-draught diverter Flue gas anti-spillage thermostat Expansion vessel inflating valve Expansion vessel Automatic air vent... - Page 10 General info Gas valve EVE 05 RTN 24 Burner nozzles Ionisation/Ignition electrode Burner Monotermal heat exchanger Flue gas manifold/down-draught diverter Flue gas anti-spillage thermostat H.L. thermostat Expansion vessel inflating valve 10 Expansion vessel 11 Automatic air vent 12 Circulating pump 13 C.H.
- Page 11 General info Flow switch - Cold water filter EVE 05 CTN 24 D.H.W. flow restrictor Gas valve D.H.W. temperature sensor Plates heat exchanger for DHW production Circulating pump Burner nozzles Ionisation/Ignition electrode Burner 10 Monothermal heat exchanger Combustion chamber 12 Flue gas manifold/down-draught diverter 13 Flue gas anti-spillage thermostat 14 H.L.
- Page 12 General info 1.4 - OPERATING DATA For the following data: Nozzle - Burner pressure - Diaphragm (where applicable) - Inputs - Gas consumptions refer to pagraph SUITABILITY TO USE OTHER GASES. RTN 24 CTN 24 F RTFS 24 CTFS 24 F CTN 24 CTFS 24 EVE 05...
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Page 13: Directions For
UNICAL refuses all liability for injury to persons and ani- mals or damage to property resulting from non-observan- ce of the above. -
Page 14: Positioning The Boiler
Installation info 2.2.2 - POSITIONING THE BOILER MOUNTING JIG FOR BOILER CONNECTIONS 00332145 Every boiler is supplied with special “MOUNT- ING JIG” with which the pipes for connection 00332145 to the system, D.H.W. and gas can be positioned when the hydraulic system is being laid out and before the boiler is installed. -
Page 15: Assembling The Boiler
If the EVE 05 CTFS 24 F - EVE 05 RTFS 24 - The boilers EVE 05 CTN 24 F, EVE 05 RTN 24, wise the installation of a type B appliance EVE 05 CTFS 24 are installed in a room ac- EVE 05 CTN 24, are open flue boilers and are is not permitted. - Page 16 This duct may be obstructed or may be unsuitable for the discharge of flue gas into the atmosphere. UNICAL refuses all liability for damage caused as a result of in- correct installation, use, modifica-...
- Page 17 Installation info 2.2.6 - SMOKE DISCARGE AND type AIR SUCTION DUCT CONFIGURATION C12, C32, C42, C52, C62, C82 - B22 Boiler designed for connection to hori- zontal exhaust and suction terminals directly into the atmosphere using coaxial or dual ducts. The distance between the air intake duct and the flue type gas outlet duct must be at least 250...
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Page 18: Positioning Of Terminals For Type C Boilers
Installation info 2.2.7 - POSITIONING OF either take place through the roof or directly outwards the room they are installed in. The TERMINALS FOR TYPE ‘’C’’ following distances shall be considered for BOILERS terminals proper positioning: Pursuant to the directives of regulations in force, discharge of forced draught boilers can POSITIONING OF TERMINALS FOR "FORCED DRAUGHT"... - Page 19 Installation info 2.2.8 - SMOKE EVACUATION Ø 80 WITH AIR SUCTION Diaphragm FLANGE - Type B22 Ø 42 mm (see par. 2.2.6) Note: For evacuation system with 80 mm dia. and a lenght between 0.5 m and 4 m, it is necessary to introduce a diaphragm Closing cover with of 42 mm dia.
- Page 20 Installation info 2.2.9 - DISCHARGE OF FLUE GAS INTO COAXIAL DUCTS Ø 100/60 mm Ø 100/60 mm Type C12 The minimum length of horizontal coaxial ducts is 0.5 metres. The maximum allowable length of horizontal co-axial ducts is 3 me- tres;...
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Page 21: Flue Gas Discharge And Air Suction With Separate
Installation info DIMENSIONS FOR CONNECTION TO COAXIAL FLUE GAS DUCTS fig. 17 2.2.10 - FLUE GAS DISCHARGE AND AIR SUCTION WITH It is not allowed to position the 2 termi- DUAL DUCTS WITH 80 mm nals in opposite walls, see configuration DIAMETER type C52. - Page 22 Installation info DIMENSIONS FOR CONNECTION THE AIR INTAKE AND THE FLUE GAS DISCHARGE WITH DUAL DUCTS Ø 80 fig. 19 CONFIGURATIONS FOR SEPARATE PIPES (SUCTION AND OUTLET) Ø 80 Example N.1 Example N.1 Primary air suction from perimeter wall and flue gas discharge on roof.
- Page 23 Installation info Example N.2 Example N.2 Primary air suction from perimeter wall and flue gas discharge from the same outside pe- rimeter wall. It is not allowed to position the 2 termi- nals in opposite walls, Maximum allowable pressure loss: 50 Pa CALCULATION OF PRESSURE LOSSES FOR DISCHARGE AND SUCTION DUCTS...
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Page 24: Connection To The Gas Mains
Before installing the boiler we recommend that POSITION the system be cleaned to remove any impuri- UNICAL shall not be held responsible for By-Pass ties which could originate from components damage caused by non-observance of this... - Page 25 Installation info DIAGRAM FLOW RATE/MANOMETRIC HEAD AVAILABLE FOR THE CH SYSTEM EVE 05 RTN 24 - EVE 05 RTFS 24 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 Flow rate Q (l/h) EVE 05 CTN 24 F - EVE 05 CTFS 24 F...
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Page 26: Electrical Connection
UNICAL disclaims all liability for damage or injury caused by failure to earth the system properly. Gas, domestic water and central heating pipes are not suitable for earthing purpo- ses. -
Page 27: Wiring Diagram
Installation info 2.3 WIRING DIAGRAM 2.3.1 ACTUAL WIRING DIAGRAM IONISATION IGNITION ELECTROD MD – MODULATING COIL DK – MINIMUM WATER PRESSURE SR – C.H. TEMPERATURE SENSOR TA – ROOM THERMOSTAT TF – FLUE GAS SPILLAGE THERMOSTAT TL – HIGH LIMIT THERMOSTAT PV –... -
Page 28: Filling The System
Installation info TABLE OF RESISTANCE VALUES AS A FUNCTION OF THE TEMPERATURE OF THE HEATING SENSOR (SR) AND D.H.W. SENSOR (SS) with a nominal resistance of ten kOhm T°C 32755 31137 29607 28161 26795 25502 24278 23121 22025 20987 20003 19072 18189 17351... -
Page 29: Adjusting The Burner
Adjustment info 2.6 - ADJUSTING THE CHIMNEYSWEEPER OPERATION AT THE MAXI- OPERATION AT THE MINI- BURNER ACTIVATION MUM CAPACITY MUM CAPACITY All the instructions below are for the exclusive use of qualified technicians. °C °C All the boilers leave the factory calibrated and tested. -
Page 30: Modification Of Other Gases
NOZZLES - PRESSION - DIAPHRAGME - CONSUMPTION TABLE The pressures at the burner indicated in the following table must be checked after the boiler has been operating for 3 minutes. EVE 05 CTN 24 F - EVE 05 CTN 24 - EVE 05 RTN 24 Burner pressure... -
Page 31: Failure Code
Service info 2.8 FAILURE CODES In case of failure the burner is automatically deactivated and the symbol on the display is shown. By pushing the reset button the failure blinking code is shown on the display. Each fault is characterised by a priority level : if different failures are detected at the same time, the code with the highest priority level is shown. - Page 32 Service info 2.10.8 Sanitary sensor (priority 8) Description: Sanitary temperature sensor intervention Possible solution: °C verify the sensor operation and its own connections 2.10.9 Heating sensor (priority 9) Description: Heating temperature sensor intervention °C Possible solution: verify the sensor operation and its own connections 2.10.10 Factory parameters (priority 10) Description: Factory parameters alteration...
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Page 33: Users' Instruction
3.1 - CONTROL PANEL EVE 05 CTN 24 F - EVE 05 CTN 24 F- EVE 05 CTFS 24 F - EVE 05 CTFS 24 °C ® EVE 05 RTN 24 - EVE 05 RTFS 24 °C ® fig. 34... -
Page 34: Switching On/Off
Service info Burner in operation Reset push button Failure symbol This symbol indicates that the In order to restart the boiler The symbol is displayed when the burner is in operation, in CH or when the lockout symbol is boiler detects an operation anomaly DHW mode. -
Page 35: Antifrost Protection
Maintenance info ANTI FROST The anti-freeze protection system, which is PROTECTION above described, can not work when, for any reasons, there is no electricity or gas supply. When the temperature detected by the heat- WARNING! ing sensor is under 2 °C, the boiler's operation This anti-freezing protection is automatically inhibited until the temperatu- does not work when the boiler... - Page 36 46033 casteldario - mantova - italia - tel. 0376/57001 (r.a.) - telefax 0376/660556 The Unical declines every responsibility for the possible inaccuracies if owed to errors of transcript or press. Also reserves the right to bring those changes that it will hold necessary...
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