Ariston Fi7 16L FF, Service Manual

Page 1: ...Domestic Gas Instantaneous Water Heater Service Technical Manual M1 M2 Fi7 Gi7S ARISTON THERMO China Co Ltd ...

Page 2: ...lation of the exhausting tube 31 2 5 1 Position of exhaust outlet 31 2 5 2 Install the fume exhaust hose FF 32 2 5 3 Install the fume exhaust hose FFI 32 2 5 4 Connect the fume exhaust hose 33 2 6 Install cold hot water distribution pipes 34 2 7 Install gas distribution pipe 34 2 8 Install electricity plug 35 2 9 Check and confirmation after installation 35 3 Adjustment of parameters 36 3 1 Parame...

Page 3: ... and wireless remote controllers 44 5 Fault analysis 45 5 1 Main control board of non constant temperature machine type M1 M2 45 5 2 Main control board of constant temperature machine type Fi7 Gi7S 46 5 3 Judgment and countermeasure for errors and abnormalities 47 5 3 1M1 M2 10L FF 47 5 3 2 Fi7 Gi7S 47 5 4 Fault possible cause measures 48 ...

Page 4: ...face with hi tech finishing technologies Match various designs of modern kitchens Boast compact structure and small body Greatly save the installation space 2 Simple operation To use the water heater just requires connecting the feeder pressing down the power supply button then opening the hot water faucet Thereafter hot water flows out Total process is automatic and easy 3 3 sections combustion ...

Page 5: ...tions for more safe operation z Automatic flameout protection Water heater disconnects gas supply automatically if accident flameout occurs during operation thus to avoid gas leakage and ensure safety and reliability z Overtime use protection Gas supply is automatically disconnected and burner is extinguished after continuous use for 30 3min If continuous use is required close the hot water valve ...

Page 6: ...de like temperature and flux mechanical operate keys convenient to operate And it shows the error code convenient for maintain 7 Multiple protections for more safe operation z Automatic flameout protection Water heater disconnects gas supply automatically if accident flameout occurs during operation thus to avoid gas leakage and ensure safety and reliability z Overtime use protection Gas supply is...

Page 7: ...Technical Manual for DGI 7 1 3 Inside Structure and Dimension Drawing 1 3 1 M1 10L FF z Inside Structrue z Control panel M1 ...

Page 8: ...Technical Manual for DGI 8 z Dimension drawing 1 3 2 M2 10L FF ...

Page 9: ...Technical Manual for DGI 9 z Dimension drawing Same to M1 10L FF 1 3 3 Fi7 16L FF ...

Page 10: ...Technical Manual for DGI 10 ...

Page 11: ...Technical Manual for DGI 11 1 3 4 Gi7S 11L 16L FFI ...

Page 12: ...Technical Manual for DGI 12 ...

Page 13: ...Technical Manual for DGI 13 1 4 Specification list 1 4 1 M1 10L FF ...

Page 14: ...Technical Manual for DGI 14 1 4 2 M2 10L FF ...

Page 15: ...Technical Manual for DGI 15 1 4 3 Fi7 16L FF ...

Page 16: ...Technical Manual for DGI 16 1 4 4 Gi7S 11L 16L FFI ...

Page 17: ...Technical Manual for DGI 17 1 5 Wiring diagram 1 5 1 M1 M2 10L FF ...

Page 18: ...Technical Manual for DGI 18 1 5 2 Fi7 Gi7S ...

Page 19: ...event scalding injury please confirm the hot water temperature with hand before having bath with shower header injector in the case that high temperature water is applied just before The reason is high temperature hot water residue in the pipe Nonessential person except for user is forbidden to change hot water temperature willfully Sudden hot water flow out can cause scalding injury While user fe...

Page 20: ...e ignition may be impossible or there is flameout during the cold water mixing process z The water heater adopts safety and energy saving new technology Gas is disconnected automatically after water heater continuously works for 30 3min Then burner is extinguished If continuous use is required re ignition is available just by closing the hot water faucet for several seconds before re start 2 Water...

Page 21: ...water heater ignites because of air residue in the gas pipe z Recommend opening the hot water faucet to the larger extent Otherwise ignition may be impossible or there is flameout during the cold water mixing process z The water heater adopts safety and energy saving new technology Gas is disconnected automatically after water heater continuously works for 30 3min Then burner is extinguished If co...

Page 22: ...priority indication on the control panel does not turn bright Control panel or other remote controller is given priority Adjustment button is not available User can only read out the temperature And other function buttons are invalid too On off button only can start or stop remote controller but not water heater Press down the priority button to gain the priority Start setting and or adjustment ti...

Page 23: ... water flowrate is opened too much to exceed capacity of water heater water temperature maybe turns cooler relatively Thus please turn hot water flowrate a little smaller In summer water out temperature may be higher than the setting because of high water in temperature If temperature setting is 70 but water in temperature is too low actual water out temperature may be below 70 If shut off the pow...

Page 24: ...temperature in 8 seconds D Open the water out valve If the mixer valve is used please turn it to hot water position E Please close the water out valve after no buzz is sent from beeper Buzz from beeper indicates flowrate setting is reached LCD display flashes to show current flowrate setting for 8 seconds Please stop fill in Special note The water heater is not provided with auto fill in stop func...

Page 25: ... or fill in works after certain pause actual flowrate is more than the setting due to surplus water in the bathtub In such case actual temperature may be lower than the setting also Even if water is not filled into the bathtub and only kitchen or shower continuously uses hot water beeper also sends buzz when the flowrate setting is reached z Flowrate must be set every time if bathtub fill in funct...

Page 26: ... resolved please inform our after sales service center immediately a Gas flavor b Abnormal burning sound c Water leakage E Away from flammable matters Strictly forbid gasoline benzene and other flammable matters near water heater F Do not dismantle the water heater willfully There are 220V live electrical components and precision electronic components in the water heater Therefore non authorized s...

Page 27: ...id freezing However please pay attention to z Keep water heater energized Anti freezing function is not available without power supply z In extremely clod area below 20 anti freezing function is not available because electrical heating unit is not powerful enough z Anti freezing function is only effective to water heater but not to water in and water out pipes 3 Drain out water accumulation Pre op...

Page 28: ...r installation to ensure safe reliable and correct use z Installation must comply with regulations and rules by local gas governing authority z If water heater is installed and used with noncompliant gas fire accident and knock combustion may occur or incomplete combustion can produce CO leading to poisoning 2 2 Preparations before installation z Check if gas supply is the same as specified gas on...

Page 29: ... maintain for the heater apart from curtains furniture or any other inflammable objects z Forbid installing above the gas burner or other heat source Horizontal distance between the heater and gas meter gas cooker should be no less than 0 3m z Forbid installing near electrical appliances or flammable matters like gasoline and organic solvent and corrosive chemicals like alcohol and HCL to avoid fi...

Page 30: ... and meter room boiler room 3 Sites where is of inflammable explosive or erosive materials Such as the places Beauty parlor laundry etc where the erosive gas is easy to be produced the erosive gas will rust the heater badly 4 Sites where occur significant vibration or any other factors that may affect the heater s normal operation 2 4 Fixation of the heater z Drill the wall and insert 2 Φ8 expansi...

Page 31: ...ume exhaust outlet shall be kept within specified range z Front exhaust outlet must be exposed in the open air z Front exhaust outlet must be installed with 1 50 inclination downward z Please install the extended pipe with 1 50 inclination downward horizontally z Do not place any hazardous matters near front exhaust outlet 2 5 1 Position of exhaust outlet Side view of exhaust outlet Front view of ...

Page 32: ...e exhaust section is indicated as one elbow included in the total number of elbows z Install the extended pipe with 1 50 inclination downward horizontally 2 5 3 Install the fume exhaust hose FFI z The water heater must be mounted with fume exhaust hose with ID Φ60mm Φ100mm and the accessory pipe is 0 75m Please do not use the fume exhaust hose with other diameter z Fume exhaust hose can be extende...

Page 33: ...xhaust hose and water heater with heat resistance tape to avoid exhaust leakage z Please do not install the fume exhaust hose with diameter larger than Φ60mm as fig 2 z Do not mount in the fume exhaust hose fire proof board and other parts that resist normal combustion and exhaust of water heater z Please keep fume exhaust hose away from curtain and other flammable matters z Do not connect common ...

Page 34: ...esistance and low pressure drop z It is necessary to increase the water supply pressure if upper floor distribution is required 2 7 Install gas distribution pipe z If liquefied petroleum gas is used user shall apply ID Φ9 5mm rubber hose to connect the pressure regulation valve of liquefied petroleum gas Then fasten the connection with neck collar Please choose the high quality low pressure regula...

Page 35: ...ugh z Is installation site and ambient conditions of water heater proper z Is necessary space for check and service remained z Are installation conditions met z Please turn on cold water knob and hot water faucet Turn off the hot water faucet after water flows from the faucet Maintain foresaid conditions for a short term to check water leakage At that time electricity plug shall not be inserted in...

Page 36: ...rtional valve max current of proportional valve Dia Of nozzle mm the door of blower mm Position of DIP 200 670 NG 2000 30 3 71 8 1 5 35 2 ON 3 OFF 4 ON 260 800 LPG 2800 31 1 84 8 1 1 40 2 ON 3 OFF 4 ON 3 1 3 Gi7S 16L FFI Fi7S 16L FF Output gas pressure Pa current of proportional valve mA Min gas pressure P2 Max gas pressure P2 Gas Input gas pressure Pa min current of proportional valve max current...

Page 37: ...e sure DIP switch on the panel is at right position otherwise set it to right position after cut off power supply Firepower setting key and potential adjusting knob are located oppositely apply the following method to determine if the firepower is the max or min 1 Check the indication on main panel max refers to the maximum and min refers to minimum 2 VR1 refers to the max and VR2 refers to the mi...

Page 38: ...ck and adjust the min potentiometer VR2 of base plate and make sure secondary pressure is the one corresponding to its gas source Press down the max current checking button on base plate the main panel is locked on the position of max current of proportional valve and then intake gas pressure to standard pressure and check and adjust the max potentiometer VR1 of base plate and make sure secondary ...

Page 39: ...e full length of caliper Type U pressure gauge provided by MTS after sales warehouse is a folding type with its zero graduation in middle and max range of 5000Pa Pressure reading h h1 h2 Units converting 1 millimeter of water 10Pa 1mmH2O 10Pa z Inlet for Negative pressures or Positive pressures z HOLD z UNITS 100mmH2O 9 806 hPa 9 8mbar 0 142P S I 0 0097atm z ON OFF z ZERO z Spare part code 005434 ...

Page 40: ...Technical Manual for DGI 40 4 Associating accessories and configurations 4 1 Standard accessories list in packing z M1 M2 Fi7 FF z Gi7S 11L 13L FFI ...

Page 41: ... technology is applied One remote controller is supplied for each water heater according to user s specific demand Operation instruction Press down ON OFF button to start the water heater the controller obtains the priority to execute operation provided the machine is at OFF position and otherwise the controller will not obtain the priority Temperature regulation Adjust hot water temperature 35 70...

Page 42: ... wires with controller plugs of main board as per figure 1 Note to avoid short connection Communication commission The controller has been coded before delivery DIP switch in receiver of Ei7 Ei6 Fi7 Fi7S is at ON position DIP switch in receiver of Hi7 Hi7S is at OFF position Refer to figure 2 Note the default value of DIP switch is at OFF position Carry out recoding as per the following figure in ...

Page 43: ...oth hot and cold water cannot be split despite the controller is a waterproofing type 2 Do not install at places where special items are laid such as detergent contenting volatile oil or grease 3 Do not install outside or at places where sunlight can directly reach Notes 1 RWC EX is applicable for type Gi7S Fi7 2 Dispose redundant cables outside the machine do not fill the cables into water heater...

Page 44: ...erature machine i e besides operation panel how many wire or wireless remote controllers can be equipped to the machine Indoor unit one operation panel on the machine One operation panel one wire controller one wireless controller Three operation points at most Outdoor unit no operation panel is available on the machine equipped with one standard distribution controller One standard wire distribut...

Page 45: ...Technical Manual for DGI 45 5 Fault analysis 5 1 Main control board of non constant temperature machine type M1 M2 ...

Page 46: ...Technical Manual for DGI 46 5 2 Main control board of constant temperature machine type Fi7 Gi7S ...

Page 47: ... time E1 Ignition failure 2 times E2 Accident flameout or flue blockage 3 times E3 Excess hot water or dry heating 4 times E4 Failure of temperature sensor 5 times E5 30min timing action 6 times E6 False flame 7 times E7 Fan failure or abnormal rotation speed 5 3 2 Fi7 Gi7S Error code Cause E1 Ignition failure E2 Accident flameout or flue blockage E3 Excess hot water or dry heating E4 Failure of t...

Page 48: ...tives 03 Water flow rate is lower than starting flow rate water switch is damaged Explain and give directives 04 Water flow rate is lower than starting flow rate water meter is blocked Explain and give directives 05 Water flow rate is lower than starting flow rate improper operation of mixing water valve Explain and give directives 06 Water flow rate is lower than starting flow rate blocked pipeli...

Page 49: ...t distance between wiring harness 03 Discharging does not take place on top of ignition needle but on back side of igniter Replace igniter Blank screen once ignition 99 Other causes Other causes 01 Bad contact of wiring of temperature sensor Re adjust 02 Temperature sensor is damaged Replace 03 Fault of main control board Replace Fault of temperature sensor 99 others others 01 Activation of overhe...

Page 50: ... give directives False flame E6 99 Other causes Other causes 01 Bad connection of capacitance while starting of fan Adjust 02 Capacitance is damaged while starting of fan Replace 03 Fan rotor is blocked Adjust or replace 04 Rotor shaft of fan is eccentric Adjust or replace 05 Fan winding is damaged Replace 06 Bad connection fan wiring Adjust 07 Replace 08 Voltage lower than 170V E7 Fault of fan or...

Page 51: ...flame out phenomenon rotary speed of fan is too high Adjust parameters of main control board or limit air volume 15 Too much air is needed for combustion air intake of fan buffer is too large Adjust size of air intake 16 Fault of external water pipe Improve external water pipe 17 Improper operation of mixing water valve Give directives 18 Blocks due to carbon deposit on cooling fin of heat exchang...

Page 52: ... Explain improve external air pipe or adjust mixing ratio of fuel gas and air 04 Air source insufficient fuel gas flow caused by block of external gas pipe 05 Air source insufficient fuel gas flow caused by undersized external fuel gas pipe of connector 06 Small air pressure Explain coordinate with relevant authorities or adjust mixing ratio of fuel gas and air 07 Unstable air pressure 08 Flame ou...

Page 53: ...cific situation 20 Low water pressure Explain and give directives 21 Unstable water pressure Explain and give directives 22 Improper use of mixing water valve Explain and give directives 23 Flue pipe is blocked Clean 24 Downdraft Explain or carry out strengthening measures 25 Seizure of anti downdraft device Adjust or replace 26 Block caused by carbon deposit on cooling fin of heat exchanger Clean...

Page 54: ...r causes Other causes 01 Unstable air pressure Apply air pressure stabilizing device 02 Unstable water pressure Apply water pressure stabilizing device 03 Insufficient fuel gas pressure type Gi7S Fi7 Check air pipe or apply air pressure booster Instable water temperature 99 Other causes Other causes 01 Excessive water intake temperature in summer demand of user is lower than the min heat load no f...

Page 55: ... heat exchanger is partially burned out Replace 10 Scale deposit in heat exchanger Clean or replace 11 Flame row on igniter is blocked Clean 12 Nozzles blocked Clean 13 Air valve is blocked by impurities Clean or replace 14 Rubber contactor in solenoid valve core of liquefied gas device becomes sticking Clean or replace 15 Insufficient oxygen supply caused by improper installation incomplete combu...

Page 56: ...t 03 Cross section area of signal wire is too small Re adjust 04 Fault of signal wire Replace or repair 05 Fault of operation panel Replace or repair 06 Fault of wire controller Replace 07 Fault of wireless remote controller overlarge operation distance or too many face walls or there s no code for emitter or unsuccessful code and E9 is displayed Re adjust 08 Fault of wireless remote controller Di...

Page 57: ...age between water supply connector and other component Adjust replace seal ring 08 Water leakage between water outlet connector and other component Adjust replace seal ring 09 Water leakage caused by breakout of heat exchanger Replace heat exchanger 10 Water leakage of water volume servo Replace adjust 99 Other causes Other causes 01 Check for leakage of external fuel gas pipe Carry out re install...