background image

 

 

18 
 

2

 

      

T57 

Minimum duration of Standby phase  

30 

30 

sec 

T58 

Final brazier cleaning in Standby 

90 

90 

sec 

T66 

Run time before switching to Block 

1200 

1200 

hours 

T67 

System running time before the message Cleaning appears 

hours 

T68 

Delay of restoration of original value of Boiler Thermostat 
in case of ceased domestic water request 

20 

20 

sec 

T69 

Delay in activation of maximum Heating Fan if fume 
temperature > Th07 

30 

30 

sec 

T75 

Cleaning motor 2 working time (not used) 

30 

30 

sec 

T76 

Cleaning motor 2 pause time (not used) 

min 

T85 

Maximum time for limit switch opening (not used) 

10 

10 

sec 

T86 

Brazier Cleaning Motor working time (not used) 

60 

60 

sec 

T87 

Brazier Cleaning Motor pause time (not used) 

min 

T88 

Maximum time of power failure for the system to return to 
its original state 

60 

60 

sec 

T89 

Maximum time of power failure for the system to return to 
its Power-up Recovery 

30 

30 

min 

 

Default Settings Menu 

Parameter  Function Description 

Garda 

18 

Garda 

21 

Garda 

28 

U.M 

P02 

Maximum number of power-up attempts 

no. 

P03 

Number of operating powers 

no. 

P04 

Number of recipes 

no. 

P09 

Pellet Level Sensor Configuration (0= N.C. sensor input; 1= 
N.O. sensor input) 

no. 

P20 

Select Pressure Sensor 

no. 

P25 

0= Extractor Without Encoder; 1= Extractor with Encoder; 2= 
Extractor with Encoder with automatic passage in P25= 0 in 
case of encoder signal failure (alarm Er07) 

no. 

P26 

Hydraulic system configuration (see page 9) 

no. 

P66 

Enabling RS485 

no. 

P75 

Input 3 Management 

no. 

 

Configurable outputs 

It is possible to configure outputs V2 (pin 5-6), P/V3 (7-8), Aux1 (22-23-24) Aux2 (19-20-21) and 
Aux3 (46-47), depending on the value of their respective management parameters (P44, P48, P50 
and P51) 

Parameter 

Function Description 

Garda 

18 

Garda 

21 

Garda 

28 

U.M 

P44 

 

V2

 

Output V2 Disabled  

 

 

no. 

Output V2 for Safety Valve/Auger2 

Output V2 for Output under Thermostat 

11 

Output V2 for Error Alarm  

15 

Output V2 for Pump 2 or solenoid valve  

27 

Output V2 for Output under Thermostat 2 

P48

 

AUX2 

Output AUX2 Disabled  

14 

no. 

14 

Output AUX2 Pump1 

 

P50

 

 
 

P/V3 

Output P/V3 Disabled 

 

no. 

Output P/V3 for Safety Valve/Auger2 

Output P/V3 for Output under Thermostat 

Output P/V3 for Warm Air Fan 

11 

Output P/V3 for Error Alarm 

Summary of Contents for HYDRO GARDA 18

Page 1: ...TECHINCAL MANUAL HYDRO GARDA 18 HYDRO GARDA 21 HYDRO GARDA 28 ENGLISH ...

Page 2: ...2 2 ...

Page 3: ...concerning the installation of plants within buildings UNI 10683 Heat generators powered by wood or other solid fuels Verification installation control and maintenance The laws and regulations in force in the country of use of the Magikal product may provide for higher safety requirements or identify risks other than those listed in the manual The maintenance technician must have read the informat...

Page 4: ...1 3 to water kW 14 4 3 17 6 5 3 23 8 Performance 93 95 92 94 3 91 8 92 1 Hourly consumption Kg h 3 2 0 9 4 27 1 37 5 63 2 Average fume temperature C 110 65 121 65 145 87 Average draft Pa 12 12 12 Tank capacity Kg 35 43 53 Autonomy h 11 39 11 31 9 26 Heatable volume nominal mᵌ 380 460 630 Air intake Ø 50 50 50 Fume outlet Ø 80 80 80 Max operation pressure bar 2 5 2 5 2 5 Voltage Power frequency 230...

Page 5: ...ower is not permitted as well as any area in which another heating appliance without independent inflow fireplaces stove etc is already installed 2 2 Flue and smoke pipe The discharge of combustion by products must be through the rooftop and take place in 3 different ways Using an external flue duct which must have a minimum internal diameter of 80mm and using only insulated pipes double walled in...

Page 6: ...n the case of an external or internal chimney flue it is necessary to perform for periodic checks while cleaning must be performed annually In the event that the smoke outlet pipes pass through flammable material cover it with an insulating material Class A1 of suitable thickness E Combustion air inlet F Ø80 or Ø100 flue ducts C External insulated double wall flue pipe L min 1500mm D Combustion ai...

Page 7: ... 2 5 bar Expansion vessel 8 l not illustrated in the figure Heating DHW production High efficiency 2 5 7 Wilo circulator Automatic Air Vent Pressure transducer Safety valve 2 5 bar Expansion vessel 8 l Not illustrated in the figure Flow meter Motorized valve Plate heat exchanger Make sure that the hydraulic system is provided with an appropriately dimensioned closed expansion vessel depending on t...

Page 8: ...any extraordinary maintenance Connect the outlet of the safety valve to a disposable discharge If the model with domestic hot water production is to be installed consider installing a 6 bar safety valve In order to reduce limestone build up which cause pipes to clog we recommend installing a water softener if water is particularly hard above 20 F 2 3 1 Domestic hot water function The production of...

Page 9: ...RESENT FL Flow meter NOT PRESENT PRESENT S1 Boiler probe PRESENT PRESENT S2 Puffer probe NOT PRESENT NOT PRESENT All components not present inside can be added during installation followed by a correct electrical connection and configuration that will be illustrated in the following chapters To set the system configuration more suited to the type of installation simply change parameter P26 in the ...

Page 10: ...e start of the circulator P1 once the machine reaches 50 Th19 DHW production logic The thermo stove features a flow switch FL that detects the request of the hot water for domestic use with the operation of the flow switch the electronic control unit automatically diverts the flow to the plate exchanger through the motorized valve P2 for the instantaneous production of domestic hot water Furthermo...

Page 11: ...witches to the heating system Note By setting the Summer mode Domestic hot water production only when the water temperature inside the boiler reaches 65 C Thermostat Puffer the heater is in Standby mode When water temperature inside the Boiler falls below 63 C Puffer temperature Ih58 the thermo stove comes out of the Standby thus igniting Configuration 4 P26 4 Accumulation Puffer To prepare the th...

Page 12: ...w the cap placed on the automatic vent valve in the delivery pipe towards the right side of the product Using the electronic control unit and check the heating circuit pressure From the main display screen double click the arrow at the bottom right and check that the pressure read is about 1000 mbar with the system at room temperature Perform an air release from the radiator valves Check that the ...

Page 13: ...30 GND 31 S4 32 V 33 GND 34 S5 35 E 36 V 37 S6 38 GND 39 24 FON 23 FOFF 22 N 21 N O 20 N C 19 COM 18 F 17 N 16 F 15 N 14 13 12 11 10 F 9 N 8 FF 7 NN 6 FF 5 NN 4 FF 3 NN 2 N 1 L LINEA V1 V2 P V3 R H1 H2 C AUX 2 AUX 1 Line 230V 50Hz Cartridge heaters Ait Vent Optional Fume extractor Pressure switch Safety Thermostat R M N Pressure Transducer Probe Puffer Optional Boiler Probe Garda Thermocouple IN 1...

Page 14: ...ostat reached the System goes into Shut off status If A01 1 default setting Ambient probe thermostat not reached the System goes into Normal status Ambient probe thermostat reached the System goes into Modulation status If A01 2 Ambient probe thermostat not reached the System goes into Normal status Ambient probe thermostat reached the System goes into Standby status If A01 3 Ambient probe thermos...

Page 15: ... at Modulation 1 5 1 6 sec P05 Total Time Auger Period 7 0 7 0 7 0 sec P15 Value of the correction step 5 5 5 P27 Minimum Time Auger ON 0 0 0 0 0 0 sec Fume fan 1 Parameter Description Function Garda 18 Garda 21 Garda 28 U M U01 Extractor Speed at Ignition 2100 2300 rpm U02 Extractor Speed at Stabilization 2000 2200 rpm U03 Extractor Speed at Power 1 1890 1720 rpm U04 Extractor Speed at Power 2 20...

Page 16: ... 100 100 100 C Th18 Anti freeze Thermostat 5 5 5 C Th19 Pump P1 activation thermostat 50 50 50 C Ih19 Pump P1 activation Thermostat Hysteresis 2 2 2 C Th20 Sanitary 1 Thermostat 55 55 55 C Th21 Sanitary 2 Thermostat 80 80 80 C Ih21 Sanitary 2 Thermostat Hysteresis 10 10 10 C Ih24 Boiler Thermostat Hysteresis 3 3 3 C Th25 Boiler Safety Thermostat 90 90 90 C Th26 Boiler Thermostat Minimum range 50 5...

Page 17: ...elay 120 120 sec T11 Delay exit in Standby 10 10 sec T13 Minimum duration of Shutoff phase 180 180 sec T14 Pre shutoff 120 120 sec T15 Safe Shutoff 60 60 sec T16 Final cleaning at Shutoff 240 240 sec T17 Power upgrade 10 10 sec T18 Ignition power upgrade 60 60 sec T22 Delayed entry in Standby 10 10 sec T23 Fuel tank filling timer Not used 10 10 sec T24 Waiting for pellet loading in the tank Not us...

Page 18: ...1 1 1 no P03 Number of operating powers 5 5 5 no P04 Number of recipes 1 1 1 no P09 Pellet Level Sensor Configuration 0 N C sensor input 1 N O sensor input 0 0 0 no P20 Select Pressure Sensor 1 1 1 no P25 0 Extractor Without Encoder 1 Extractor with Encoder 2 Extractor with Encoder with automatic passage in P25 0 in case of encoder signal failure alarm Er07 1 1 1 no P26 Hydraulic system configurat...

Page 19: ...enoid valve The output manages the Solenoid valve or Pump2 of the selected Hydraulic system Output under Thermostat 2 The output is managed by thermostat Th60 above this value the output is powered Authorizations Menu Parameter Function Description Garda 18 Garda 21 Garda 28 U M A01 0 Ambient thermostat probe for Power up Shutoff 1 no 1 Ambient thermostat probe from Normal Modulat 2 Ambient thermo...

Page 20: ...t the end of Timer T13 and if fume temperature is lower than thermostat Th28 A27 0 In Standby the system switches off the brazier 0 no 1 In Standby the system perform maintenance on the brazier A28 0 Auger brake not enabled 1 no 1 Auger brake enabled A29 0 If the system is in Standby for External Thermostat or Ambient Probe it does not activate for domestic water request 1 no 1 If the system is in...

Page 21: ...00 mbar Meter Menu Submenu Meter Description Total Hours Power supply Total Time Hours of operation Operation time time in which at least one fan runs Hours in Normal mode Actual heating times in Normal work or Modulation mode No of ignitions Number of successful ignition attempts No of unsuccessful ignitions Number of successful ignition attempts No of errors Number of errors occurred Meter reset...

Page 22: ...erwise replace the circulator of the thermo stove D Technical parameters incorrect Check parameter P26 hydraulic system configuration It must be set up to reflect the installation of the product in question See page 9 E Boiler Probe defective Take note of the indication of the water temperature in the boiler on the control display the indication must be appropriate to the actual water temperature ...

Page 23: ...ill be necessary to check the electrical connection between thermostat and electronic control unit the Resistance of the connection wires must be 0 Ohms and if necessary replace the faston terminals If the electrical connection is also working replace the electronic control unit Er02 Alarm PROBLEM The depression inside the machine body is less than 20 Pa and the pressure switch has been activated ...

Page 24: ... and check that the fume pipe complies with UNI 10683 2012 standards E Brazier dirty Check brazier cleaning status all the holes must be free to allow the flow of combustion air carry out seasonal maintenance F Excess pellet flow rate pellets on average shorter Check and if necessary reduce the technical parameters regarding the on time of the auger especially at the highest powers Er04 Alarm PROB...

Page 25: ...his Voltage is not detected make the same measurement directly on terminals 7 and 8 of the control unit to check if there is a problem on the external connection If the Voltage is not detected even on the connector replace the electronic control unit that does not supply the circulator properly If the impeller is unblocked and the condenser is efficient but the circulator does not yet rotate the c...

Page 26: ...ction of the fume extractor to the wiring of the electronic control unit and the starting condenser verifying the correctness of all electrical connections YES Disconnect the fume extractor starting capacitor measure the Resistance The Capacitor Resistance increases to become From the System Test Outputs menu start the Fume Fan Test change the Extractor Speed setting to different values and measur...

Page 27: ...not correctly detect the pressure transducer signal If Voltage is not proportional to the water pressure replace the transducer and the relative connecting cable since they do not work properly Er10 Alarm PROBLEM The water pressure in the boiler has exceeded the value set in technical parameter SP02 2300 mbar REMEDY After having restored the correct pressure by unloading the system release the the...

Page 28: ...ve has been turned on but the combustion has not started within the maximum allowed time Failed Ignition REMEDY Unblock the boiler by pressing the on off button on the display for a long time CAUSES If pellets were to be found in the brazier A Brazier dirty Check the cleaning status of the brazier all holes must be free to allow the flow of adequate combustion air and to safeguard the life of the ...

Page 29: ...d or clogged Empty the pellet tank clean the auger thoroughly and remove any residues or solid pieces that prevent its rotation After cleaning check that the auger is free to move simply rotate the auger block manually If the auger is still blocked it will be necessary to completely remove it from the support tube unscrewing the fixing screws on which the axis of the auger is pivoted Flame appeare...

Page 30: ... the temperature read on one or more probes is equal to the minimum 0 or to the maximum value Verify that the probes are not open or short circuited Service Message indicating that the programmed operating hours have been completed and that extraordinary seasonal cleaning can now be performed Power up block Message that appears if the system is turned off not manually and during power up Error lin...

Page 31: ...31 2 REVISION 03 11 07 2018 ...

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