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Protherm Gepard 23 MOV, Руководство по обучению, Страница: 15 / 68

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T e c h n i c a l   T r a i n i n g

Safety devices  for open flue boilers

Temperature safety  

(ant-freezing / overheating)

Gas safety valve 

(EVS)

Smoke overflow

Flame control

3-way valve 

 

anti-blockage

Water pressure sensor

Safety

Control device

Values

Action

Safety devices locking the appliance and requiring a RESET in the case of a fault
Overheating and  
temperature limiting

Outgoing/return 

heating NTC

97 °C => max. temperature

Fault displayed F20

T° increase more than 10 K/S.

Fault displayed F24

ΔT (outlet - return) > 35 K

Fault displayed F23

Flame control

Ignition and ionisation 

electrode

Up to 2 spark sequences separated 

by 7 seconds

Fault F28 if no ignition

Fault F29 if burner goes out

Gas

Gas safety valve

0V when shut down

24V then 16V in operation

Display of various faults depending  

on origin

Smoke overflow

ON / OFF thermostat

23 and 25 kW appliances : contact 

opens at 65°C

12 kW appliances : contact opens at 

60°C.

Fault displayed F25

Safety devices not requiring a RESET after the fault clears

Antifreeze

Outlet NTC

7 °C --> immediate heating

Burner lit up to 35°C

Pump anti-blocking

Internal computer

Activated for 30s if not activated for 

24 hours

Activation without apparent demand

3-way valve 

 

anti-blockage

Activated for 30s if not activated for 

24 hours

Activation without apparent demand

Heating pressure

Pressure sensor

Triggered at 0.5 bar
Reset at 0.3 bar

Display

   

below 0.3 bar

display blinking between 0.3 and 0.5 bar

Heating valve

Opens at 3 bar

Evacuation of excess pressure  

(display blinking below 2.5 bar)

Pressure relief valve  

(3 bar)

Pump anti-block

Содержание Gepard 23 MOV

Страница 1: ...Training Manual FT 55 All the technical strengths installation and maintenance Gepard Panther...

Страница 2: ...3 kW DHW output 23 3 kW 23 3 kW Panther Combi Open Flue Fan Flue Models Panther 25 KOV Panther 25 KTV Panther 30 KTV Heating output 24 6 kW 24 6 kW 29 6 kW DHW output 24 6 kW 24 6 kW 29 6 kW Panther S...

Страница 3: ...plates in the hot water heat exchanger expansion tank capacity etc Control panel The structure of open flue versions Draught diverter Heat exchanger Chambre de combustion Hydraulic bloc Gas valve Ele...

Страница 4: ...e Electrical box Smoke outlet Air flow switch Burner Plate heat exchanger Pump This picture is for Panther The Gepard is quite different on the top part the air flow switch is on left side 360 450 46...

Страница 5: ...changer 10 Draught diverter 11 Over flow safety device 12 Expansion vessel 13 Flame control electrode 14 Heating return temperature sensor 15 Pump air vent 16 Pump 17 Pressure sensor 18 By pass 19 3 w...

Страница 6: ...sensor 7 Ignition electrode 8 Combustion chamber 9 Heat exchanger 10 Sealed chamber 11 Air flow switch 12 Fan 13 Flue system 14 Expansion vessel 15 Flame control electrode 16 Heating return temperatu...

Страница 7: ...7 Te c h n i c a l N o t e b o o k Te c h n i c a l T r a i n i n g Hydraulic operation of Combi versions Hydraulic diagram in heating Hydraulic diagram in hot water...

Страница 8: ...eating flow temperature sensor 6 Ignition electrode 7 Combustion chamber 8 Heat exchanger 9 Draught diverter 10 Overflow safety device 11 Expansion vessel 12 Flame control electrode 13 Heating return...

Страница 9: ...ng flow temperature sensor 6 Ignition electrode 7 Combustion chamber 8 Heat exchanger 9 Sealed chamber 10 Air flow switch 11 Fan 12 Flue system 13 Expansion vessel 14 Flame control electrode 15 Heatin...

Страница 10: ...10 Te c h n i c a l N o t e b o o k Te c h n i c a l T r a i n i n g Hydraulic operation of System Boiler Hydraulic diagram in hot water...

Страница 11: ...l h 400 400 200 200 400 400 400 400 400 Minimum flow rate with T 20 K l h 1000 1000 530 530 1050 1270 1050 1050 1270 Min heating output temperature C 38 38 38 38 38 38 38 38 38 Max heating output temp...

Страница 12: ...1 5 8 5 8 6 9 Injector mm 1 20 1 20 1 25 1 25 1 20 1 20 1 20 1 20 1 20 Maximum gas flow rate m3 h 2 73 2 64 1 47 1 46 2 84 2 84 2 84 2 8 3 44 Minimum gas flow rate m3 h 1 1 1 15 0 45 0 45 1 05 1 05 1...

Страница 13: ...op button 5 Heating circuit water temperature control 6 Working mode selection 1 Temperature of the domestic hot water circuit 2 Fault symbols 3 Heating circuit pressure 4 Burner on indicator 5 Heatin...

Страница 14: ...Gepard 1 Reset button 2 Working mode selection 3 Display 4 Start stop button 5 Heating and hot water temperature setting 1 Heating symbol 2 Holiday symbol 3 Domestic hot water symbol 4 Display of pres...

Страница 15: ...if burner goes out Gas Gas safety valve 0V when shut down 24V then 16V in operation Display of various faults depending on origin Smoke overflow ON OFF thermostat 23 and 25 kW appliances contact open...

Страница 16: ...F 10 Pa 23 kW at 25 C ON 71 Pa OFF 46 Pa 25 kW at 25 C ON 80 Pa OFF 68 Pa 30 kW at 25 C ON 59 Pa OFF 51 Pa On contact closed Off contact opened Fault displayed F33 Safety devices not requiring a RESET...

Страница 17: ...a i n i n g Hydraulic unit Heating pressure valve Plate heat exchanger Automatic air vent 2 speed pump By pass 3 way valve motor Screw giving access to the motor shaft for unblocking Gas valve Cold wa...

Страница 18: ...B The flow detector unit is made up of The turbine flow detector 5 fitted with a filter The pressure sensor 6 The plate heat exchanger connections C The by pass connections to heating D The cold water...

Страница 19: ...unit This picture is for Panther For Gepard the air flow switch is on the left side of the fan but the way of working is the same For open flue version the Draught diverter is equipped with a thermost...

Страница 20: ...e terminals for electrical accessory connections electric power supply etc The control panel closed Here the display shows the Gepard Panther The control panel fitted with a thermal screen on the vent...

Страница 21: ...very useful to avoid overheating when the installation has not been fully bled particularly at commissioning If the boiler is already switched on The principle is the same as case A except the burner...

Страница 22: ...self modification the sensor measures the temperature 5 minutes after the burner shuts down If the set point has been exceeded a correction is applied to the next heating the burner stops at a lower t...

Страница 23: ...ort Reduction of waiting times in hot tap water Water conservation This function only affects Panther KOV and KTV Principle of operation The function is activated when the primary descends to 30K belo...

Страница 24: ...then stops Protection against overheating and temperature limiting The outlet return thermistors protect the boiler against overheating by checking the maximum outlet temperature 97 C burner on or 11...

Страница 25: ...list of data items whereas the After Sales menu gives access to all the data items installation after sales To access installer or after sales menu Press the mode button 1 for about 7 seconds the disp...

Страница 26: ...Sales menu gives access to all the data items installation after sales To access installer or after sales menu Press the mode button 1 for about 7 seconds the display layout will change Using the or b...

Страница 27: ...C1 read only d 08 unused d 09 Heating flow temperature setting calculated value C Display of the Heating flow temperature calculated by the TA eBus from the outside temperature and the slope chosen re...

Страница 28: ...least 30 seconds If the outlet return temperature difference reaches 20K the pump goes to max speed until the burner shuts down even if the temperature difference reduces The same cycle occurs at the...

Страница 29: ...tion However this value depends on several parameters gas quality electrodes This value is without units it s just an indication read only d 45 Heating curve base C See details following page Disappea...

Страница 30: ...ambient temperature This value can be increased up to 25 C or reduced down to 15 C E g desired temperature 20 C real temperature 19 C set to 21 C to offset the curve Note if the outside sensor is ass...

Страница 31: ...itions in heating 100 ign blocks 1 100 ignitions not possible to reset 0 read only d 83 Number of burner ignitions in hot water 100 ign blocks 1 100 ignitions not possible to reset 0 read only d 85 Mi...

Страница 32: ...thermostat NTC or flow detector without preheating request d 22 x Heating demand d 23 x Tank reheating or preheating activated either by the interface or by an e bus thermostat d 25 x Night time offse...

Страница 33: ...ersions with tank S 21 Fan pre run S 23 Ignition S 24 Burner lit S 25 Pump fan post run S 26 Fan post run S 27 Pump post run S 28 The heater locks out tank reheating after a reheat cycle for 1 minute...

Страница 34: ...to power adjusted to d00 in heating mode The appliance operates at adjusted maximum heating power P 05 Refill the appliance The 3 way valve is in the central position and the pump and the burner turn...

Страница 35: ...open radiator and increase the atmospheric temperature setting Go into the service menu using code 35 described a few pages previously and go to data item 52 This is the minimum power setting Then adj...

Страница 36: ...lenoid valves powered with low voltage 24 V DC one on the gas valve inlet EVS1 the other on the stepper motor EVS2 to ensure that the gas flow is completely cut off even if the motor has not had the t...

Страница 37: ...g Heater location side clearance the panels are removed towards the front but at least 20 mm are required at the side However it is not necessary to remove the side panels to maintain the appliance Te...

Страница 38: ...nes This range of boilers cannot be installed in zones 0 1 or 2 Water and gas connections 1 Heating return 3 4 2 Cold water inlet 1 2 3 Gas 1 2 4 Domestic hot water flow 1 2 5 Heating flow 3 4 1 2 3 0...

Страница 39: ...r a i n i n g Water and gas connections System boiler 1 Tank 2 Heating return 3 Tank re heating return 4 Gas 5 Tank re heating flow 6 Heating flow Connection without tank 1 Heating return 3 4 2 Gas 3...

Страница 40: ...estrictor 0 L 1 restrictor 41 mm 0 5 L 11 no restrictor C32 12 KTO 80 125 mm 1 L 3 restrictor 36 mm 4 L 12 restrictor 43 mm 30 KTV 60 100 mm 80 125 mm 1 L 4 no restrictor 1 L 8 no restrictor 25 KTV 25...

Страница 41: ...tor 43 mm 30 KTV 80 80 mm 0 5 0 5 L 15 15 no restrictor 25 KTV 25 KTO 23MTV 80 80 mm L 2 2 restrictor 41 mm 0 5 0 5 L 15 15 no restrictor C82 L2 L1 12 KTO 80 80 mm 1 1 L 3 3 restrictor 36 mm 4 4 L 9 9...

Страница 42: ...s connector In the case of an e bus thermostat leave the shunt in place on this connector 2 E bus room thermostat or e bus wireless receiver connection 3 External temperature sensor connection 4 Excha...

Страница 43: ...V Panther 30 KTV 1 Speed max bypass closed 2 Speed minx bypass closed 3 Speed max bypass factory setting 4 Speed max bypass factory setting 60 50 40 30 20 10 0 500 1000 3 1 2 4 60 50 40 30 20 10 0 500...

Страница 44: ...particularly important for plate heaters as the low temperature is favourable to bacterial growth This can result in sludge that can block all or part of the circuit For the dosage of these products...

Страница 45: ...ning bleeding of the installation next stage 5 Vent the air from the heating circuit Reset the pressure after bleeding Start test function P 06 see test mode in Technical specification chapter Open th...

Страница 46: ...checked with data item d44 of the After Sales menu Less than 300 with the burner lit good detection Temperature regulation Does the burner shut off at the end of regulation Check that the burner shut...

Страница 47: ...This value is in a range of 0 to 1000 The lower the value when the burner is lit the better the detection However the value varies from one installation to another Therefore it is not possible to giv...

Страница 48: ...greater than 10 K s NTC2 NTC5 F24 Bad pump operation or low water See fault 20 or Heating taps closed Pump disconnected or stuck Smoke overflow only for open flue versions K11 F25 The safety device K1...

Страница 49: ...sory faults not available when this document was printed F77 External gas valve Condensate pump Check the accessory connections No water in the installation no temperature increase with burner lit NTC...

Страница 50: ...ure sensor NTC5 Heating return temperature sensor Pr Air flow switch fan flue boiler K11 Flue overflow safety device open flue boiler R1 Coding resistance X21 Ignition and flame control electrode AL X...

Страница 51: ...17 16 15 14 13 12 11 M NTC Ebus 24 V X2 X30 X90 X32 X40 X51 X31 X25 X21 X13 230 VAC L N X15 FUS X14 X20 X17 X17 RT INTERFACE e bus T ext ON OFF K11 EVS1 EVS2 EVR NTC5 P NTC2 1 1 1 1 1 10 2 11 3 12 4 1...

Страница 52: ...16 15 14 13 12 11 M NTC Ebus 24 V X2 X30 X90 X32 X40 X51 X31 X25 X21 X13 230 VAC L N X15 FUS X14 X20 X17 X17 RT INTERFACE e bus T ext ON OFF Pr EVS1 EVS2 EVR NTC5 P M Ext NTC2 1 2 1 1 1 1 1 10 2 11 3...

Страница 53: ...17 16 15 14 13 12 11 M NTC Ebus 24 V X2 X30 X90 X32 X40 X51 X31 X25 X21 X13 230 VAC L N X15 FUS X14 X20 X17 X17 RT INTERFACE e bus T ext ON OFF K11 EVS1 EVS2 EVR NTC5 P NTC2 1 1 1 1 1 10 2 11 3 12 4 1...

Страница 54: ...7 16 15 14 13 12 11 M NTC Ebus 24 V X2 X30 X90 X32 X40 X51 X31 X25 X21 X13 230 VAC L N X15 FUS X14 X20 X17 X17 RT INTERFACE e bus T ext ON OFF Pr EVS1 EVS2 EVR NTC5 P NTC2 1 2 1 1 1 1 1 10 2 11 3 12 4...

Страница 55: ...11 M NTC Ebus 24 V X2 X30 X90 X32 X40 X51 X31 X25 X21 X13 230 VAC L N X15 FUS X14 X20 X17 X17 RT INTERFACE e bus T ext ON OFF K11 EVS1 EVS2 EVR NTC5 P NTC2 1 1 1 1 1 10 2 11 3 12 4 13 5 14 6 15 7 16 8...

Страница 56: ...14 13 12 11 X16 ON OFF NTC1 M NTC Ebus 24 V X2 X30 X90 X32 X40 X51 X31 X25 X21 X13 230 VAC L N X15 FUS X14 X20 X17 X17 RT INTERFACE e bus T ext ON OFF Pr EVS1 EVS2 EVR NTC5 P NTC2 1 2 1 1 1 1 1 10 2...

Страница 57: ...t ON OFF K11 EVS1 EVS2 EVR NTC5 P NTC2 1 1 1 1 1 10 2 11 3 12 4 13 5 14 6 15 7 16 8 17 9 18 Db 2 1 12 11 X20 R1 X12 X101 AL FL 1 2 3 4 1 2 X21 1 2 10 5 9 4 8 3 7 2 6 1 X25 1 4 2 5 3 6 X11 1 10 2 11 3...

Страница 58: ...If 24V but the burner doesn t lit The servo safety valve is powered Gas is therefore authorised Check the EVS1 and 2 coil resistance the gas input the ignition device 1 10 2 11 3 12 4 13 5 14 6 15 7...

Страница 59: ...lter access 1 Hot water heat exchanger mounting lug 2 Hot water heat exchanger attachment screw 3 Seal 4 Heating filter 5 Domestic hot water heat exchanger The heating filter improves heating circuit...

Страница 60: ...he heater Remove the screws 2 and the mounting lugs 1 Remove the domestic hot water heat exchanger 5 Remove the seal 3 Remove the heating filter 4 Clean and reassemble Domestic hot water filter access...

Страница 61: ...ixed by 2 screws by either side of the burner To access these screws a long Torx screwdriver is needed Torx screwdriver Dismantling the gas manifold The gas manifold is located on the back burner To d...

Страница 62: ...side panel If no access from the left side The gas valve support is screwed to the frame of the device behind the side panel Unscrew the gas valve from its support access to the screws from underneath...

Страница 63: ...n valves of the fixing jig Empty the primary circuit through the drain valve Open a hot water cock of the installation Once the boiler drained unscrew the 2 brackets and remove them The exchanger can...

Страница 64: ...low pipe retaining clip 12 Heating flow pipe 13 Heating return pipe 14 Plate to plate heat exchanger 15 Low water pressure sensor connector 16 Low water pressure sensor 17 Low water pressure sensor re...

Страница 65: ...65 M a i n t e n a n c e Te c h n i c a l T r a i n i n g Dismantling the fan A single screw keeps the fan in position To replace take care to the flue gasket...

Страница 66: ...e installer menu d43 and d45 Outdoor temperature sensor characteristics T C R Ohms 25 2167 20 2076 15 1976 10 1862 5 1745 0 1619 5 1494 10 1387 15 1246 20 1128 Tank thermistor A type AS boiler can be...

Страница 67: ...ary heating pump a kitchen hood an external gas valve signal of failure 2 4 5 6 F XX 1 10 2 11 3 12 4 13 5 14 6 15 7 16 8 17 9 18 10 5 9 4 8 3 7 2 6 1 1 2 3 4 10 9 8 7 6 5 4 3 2 1 19 20 18 17 16 15 14...

Страница 68: ...Vaillant Group Slovakia s r o Pplk Pljusta 45 909 01 Skalica www protherm sk Phone 421 0 346966151 Fax 421 0 346966111 03 10 Standard non Condens FT 55 V3 EN Pro...

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