A.O. Smith Innovo 12-160 Installation, Service & Maintenance Manual Download Page 75 | Manualshive

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Code and description

Cause

Measure

F03

(lock out error)

Air proving switch error
Switch is closed when fan
is not running.

Damaged wiring/closed circuit.

Make sure that the wiring, between the
air proving switch and the control, is
connected and not damaged.
If necessary replace the wires or
reconnect the wires. Reset the controller,
when wires are replaced or reconnected.

•

•

Air proving switch defect.

Make sure that the air proving switch
works properly.
If necessary, replace the air proving
switch.
When the air proving switch is replaced
and reconnected, reset the controller.

•

•

•

0312266_INNOVO_UKUK_V3.0, 2017-02-10

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Summary of Contents for Innovo 12-160

Page 1: ...ion has a name Installation Service Maintenance and User Manual Innovo Condensing High Efficiency Water Heater IR 12 160 12 200 20 160 20 200 24 245 IR 24 285 32 245 32 285 32 380 Water Heaters 1017 C...

Page 2: ...ith UK Unit B8 Amstrong Mall Southwood Business Park Farnborough Hampshire GU14 0NR www aosmith co uk A O Smith Water Heaters is a trading name of Advance Services Sales Ltd Reg your installer Water H...

Page 3: ...l use other than in accordance with the General Conditions registered at the Chamber of Commerce For more information refer to the General Conditions These are available on request free of charge We b...

Page 4: ...boilers of rated inputs between 70 kW net and 1 8 MW net 2nd and 3rd family gases BS 6700 Design installation testing and maintenance of services supplying water for domestic use within buildings and...

Page 5: ...Box 70 5500 AB Veldhoven The Netherlands Telephone 0870 AOSMITH free 0870 267 64 84 General 31 40 294 25 00 Fax 31 40 294 25 39 E mail info aosmith nl Website www aosmith co uk In the event of problem...

Page 6: ...6...

Page 7: ...escribes the correct installation and maintenance procedures Target group The information in this manual applies to three target groups users installation engineers service and maintenance engineers T...

Page 8: ...ed special attention Note A note gives more information on a topic Caution Obey the caution instructions to prevent damage of the water heater Warning Obey the warning instructions to prevent danger o...

Page 9: ...ntification 8 User part 13 1 Introduction 15 2 Safety 17 3 Interface 19 3 1 Operator interface 19 3 1 1 Control Switch 19 3 1 2 Buttons 20 3 1 3 LCD display 20 3 2 Status of the water heater 21 3 2 1...

Page 10: ...32 6 3 Safety devices 33 6 4 Environmental aspects 34 6 4 1 Recycling 34 6 4 2 Disposal 34 7 Water heater 35 7 1 Structure of the water heater 35 8 Installation 37 8 1 Packaging 37 8 2 Conditions 37 8...

Page 11: ...er heater 56 8 10 2 Draining 56 9 Conversion of gas type 57 10 Settings 59 10 1 Operator interface 59 10 2 Parameters 59 10 3 Hysteresis 61 10 4 Error history 61 10 5 Test cycle 62 11 Maintenance 63 1...

Page 12: ...3 12 1 3 Warnings 80 13 Appendices 81 13 1 Technical details 81 13 2 Dimensions 82 13 3 Gas details 84 13 3 1 Energy labeling 85 13 4 Electrical wiring diagram 86 13 5 Declaration of conformity 87 13...

Page 13: ...User part 0312266_INNOVO_UKUK_V3 0 2017 02 10 13...

Page 14: ...14...

Page 15: ...k through the water inlet 1 The heated water leaves the tank at the top through the hot water outlet 2 To operate the water heater the operator interface 3 and control switch 4 are used Fig Innovo wat...

Page 16: ...16 User part...

Page 17: ...eater Some propellants bleaching agents and degreasing agents etc disperse of explosive vapors and or cause accelerated corrosion If the water heater is used in a room where such substances are stored...

Page 18: ...18 User part...

Page 19: ...es the user to change parameters and to verify the status and history of the water heater Fig Operator interface enter reset menu Innovo EXT 2 1 1 LCD display 2 Push buttons 3 1 1 Control Switch With...

Page 20: ...ay and 3 characters in the center of the display The characters represent parameters Fig LCD display 2 1 1 Characters 2 Symbols The symbols on the display show visual information about the status of t...

Page 21: ...Use parameter 001 to switch the water heater to OFF mode In the OFF mode the water heater is de activated The display shows the characters OFF Fig OFF mode display Fig Frost protection is activated To...

Page 22: ...ays have one letter and two digits Fig Error code display Note When the display shows an error code try to reset the water heater Contact your service and maintenance engineer or supplier when the wat...

Page 23: ...e anode protection is not active the display shows Ano Contact your service and maintenance engineer Fig Anode warning display Note If you ignore the anode warning the tank protection cannot be guaran...

Page 24: ...24 User part...

Page 25: ...hange parameter 001 to ON refer to Set a parameter value see section 4 1 4 2 2 Set the water temperature To change the temperature setpoint Adjust parameter 002 refer to Set a parameter value see sect...

Page 26: ...nute to make sure that the water heater stopped operating Set the control switch to 0 Disconnect the water heater from the mains by turning the isolator 4 3 3 Turn off for a long period When the water...

Page 27: ...Installation Maintenance and Service part 0312266_INNOVO_UKUK_V3 0 2017 02 10 27...

Page 28: ...28 User part...

Page 29: ...Cold water enters the bottom of the tank through the water inlet 1 A heat exchanger 2 transfers the heat from the flue gasses to the water and the hot water leaves the tank through the water outlet 3...

Page 30: ...gas control valve opens and the gas air mixture is ignited The water heater heats the water in the tank The icon Water heater in operation is shown on the display of the water heater When the water te...

Page 31: ...s and the flue gas discharge components Make sure that the venting system does not exceed the maximum number of 45 and 90 bends and the maximum pipe length Caution Make sure that the diameter and leng...

Page 32: ...ter The water heater has some safety instructions on its cover The text Read the installation instructions before installing the appliance The text Read the user instructions before putting the applia...

Page 33: ...e flame probe detects if there is a flame in the burner Safety devices of the installation Expansion vessel The expansion vessel stores temporarily expansion water to keep the pressure in the installa...

Page 34: ...be recycled When you discard devices at the end of their service life you must obey local legislation related to waste disposal Never discard your old device together with regular waste Put the device...

Page 35: ...and a 3 character display Refer to Operator interface see section 3 1 Tank 9 The water is stored and heated up in the tank Burner engine 2 8 The burner engine ignites the air and gas mixture to heat u...

Page 36: ...36 Installation Maintenance and Service part...

Page 37: ...efully to prevent damage to the water heater 8 2 Conditions The water heater is suitable for room sealed and for open combustion For room sealed combustion the air inlet does not depend on the install...

Page 38: ...re is sufficient clearance to access the water heater 100 cm in front of the water heater AA 50 cm at the left and right side of the water heater BB 100 cm at the top of the water heater Fig Working c...

Page 39: ...pressure is too high 3 T P valve 4 Stop valve recommended 5 Non return valve 6 Circulation pump optional 9 Drain valve 10 Manual gas valve 11 Service stop valve recommended 12 Temperature gauge option...

Page 40: ...n Note Insulate long hot water pipes to prevent unnecessary energy loss Install the hot water connection Install a stop valve 11 in the hot water outlet pipe for service reasons If applicable install...

Page 41: ...on Make sure that the gas supply pipe has the correct diameter and length to supply sufficient capacity to the water heater Caution Make sure that the gas supply pipe is clean Contamination in the pip...

Page 42: ...te air inlet and flue gas outlet terminal types mixed Air inlet and flue gas outlet termination may be in different pressure zone C63 Closed Water heaters supplied without venting materials These wate...

Page 43: ...Fig Venting systems 0312266_INNOVO_UKUK_V3 0 2017 02 10 43...

Page 44: ...number A O Smith Part number Wall terminal set A wall terminal 1 a 500 mm concentric pipe and a 90 bend 0310759 0302515 Wall terminal 0310757 0302516 Roof terminal set A roof terminal 2 a 1000 mm con...

Page 45: ...imum number of 45 and 90 bends and the maximum pipe length Caution Use a run off of 50 mm per meter towards the water heater Refer to the table for the correct pipe dimensions of the C13 and C33 conce...

Page 46: ...pipe and a 90 bend 0310730 Wall terminal 0310708 0305016 Roof terminal set A roof terminal 2 an adapter a 1000 mm parallel pipe and a roof plate 0310712 Roof terminal 0310728 0305041 Adapter box conc...

Page 47: ...box converts the 80 125 mm to two times 80 mm This adapter 0312209 can be ordered at your supplier or wholesaler The use of a different adapter box may cause the water heater to malfunction Calculate...

Page 48: ...e for the correct pipe dimensions of the C43 C53 and C63 concentric systems Description Venting material PP Venting material Alu Manufacture venting material Muelink Grol Muelink Grol Construction Con...

Page 49: ...ins neutral N to the neutral of the water heater Caution There must be no potential difference between neutral N and earth A Use an isolating transformer see section 8 8 3 1 in the supply circuit when...

Page 50: ...to A Install the power cable in the pull relief under the electrical section Connect the power cable to the double pole isolator 8 8 3 Optional electrical connections Optionally it is possible to Con...

Page 51: ...Finalization When all connections are made install the cover on the water heater Place the cover on the water heater Use a hex driver to tighten the screw at the front of the cover Fig Install the cov...

Page 52: ...necessary replace the expansion valve 8 9 2 Air pressure differential Check the air pressure differential across the air pressure switch Disconnect hose H of the air proving switch and connect this s...

Page 53: ...perature refer to Set the water temperature see section 4 2 2 Wait about 1 minute Use the pressure gauge to read the supply pressure and compare it with the value from the appendix Gas details see sec...

Page 54: ...upply Remove the cap 1 from the test nipple 2 of the flue gas outlet pipe Place the measurement probe of the CO2 meter in the test nipple of the flue gas outlet pipe Turn on the water heater refer to...

Page 55: ...Set parameter 201 to Lo refer to section Settings see section 10 Wait until the measured value on the CO2 meter remains stable for some time This can take several minutes Compare the measured value t...

Page 56: ...ure in the user part to Turn off the water heater see section 4 3 and isolate the water heater from the mains power supply 8 10 2 Draining Refer to the installation diagram see section 8 3 when you dr...

Page 57: ...y You can order the conversion kit you need from the supplier of your water heater The conversion kit contains all the parts needed to do the conversion and a description of how to do the conversion T...

Page 58: ...58 Installation Maintenance and Service part...

Page 59: ...ion Unit Value Adjustable Range Default 001 Turn the water heater on or off Off ON Yes Off water heater off OFF mode ON water heater on ON mode Off 002 Setpoint ON mode C Yes 40 max setpoint 1 65 003...

Page 60: ...d Lo burn on partial load Ign burn on ignition speed Hi burn on full load rEg t b d dIS 202 Turn the power anode warning on or off Off ON Yes Off power anodes deactivated ON power anodes activated ON...

Page 61: ...Also when there is a problem with the anode protection this warning will not be shown The tank protection cannot be guaranteed The warranty will be void 10 3 Hysteresis The water heater does not star...

Page 62: ...full and at partial load or to check the air pressure differential Use parameter 201 to activate the test cycle The test cycle is shown on the display Each test setting can be recognized by the first...

Page 63: ...side maintenance see section 11 4 Finalization see section 11 5 Note For maintenance purposes a special gasket and mounting set can be ordered at your supplier This kit contains the necessary gaskets...

Page 64: ...ove the scale and contamination by hand If necessary use a descaling agent to remove the scale and contamination Contact the supplier of your water heater for advice on what descaling agent to use Rep...

Page 65: ...2 value is not correct To do gas side maintenance Clean the burner see section 11 4 1 Clean the combustion chamber see section 11 4 2 11 4 1 Clean the burner Remove the burner engine Close the gas con...

Page 66: ...5 5 Nuts 6 Burner assembly 7 Combustion chamber Disassemble the burner Remove the flame rod 11 from the adapter 12 Do a visual check on the flame rod Remove the hot surface igniter 10 from the adapter...

Page 67: ...he combustion chamber Use a vacuum cleaner and a soft brush to clean the combustion chamber 1 of the heat exchanger Fig Combustion chamber 1 11 4 3 Assemble the burner Assemble the burner again when t...

Page 68: ...nuts onto the combustion chamber Place the non return valve on the adapter Note Make sure that you install the non return valve upright Install the burner engine with two bolts to the adapter Connect...

Page 69: ...e sure the gas supply pressure is correct refer to Gas supply pressure see section 8 9 3 Make sure the CO2 value is correct refer to CO2 value see section 8 9 4 Turn on the water heater see section 4...

Page 70: ...70 Installation Maintenance and Service part...

Page 71: ...o view the error history of the water heater refer to Error history see section 10 4 12 1 1 General errors Note For the coding of the connections refer to the Electrical wiring diagram see section 13...

Page 72: ...ion 11 4 There is an air leakage between the venturi and the flexible air connector Make sure that the flexible air connector is not damaged If necessary replace the flexible air connector the flexibl...

Page 73: ...02 lock out error Control error Error message from the controller Incorrect reference voltage from the AD converter EEPROM read error 50 Hz error Internal communication error Gas control valve relay e...

Page 74: ...Live and neutral are connected the wrong way around Make sure that the live and neutral are connected correctly and rectify if necessary Floating zero is present Install an isolating transformer F02 l...

Page 75: ...itch and the control is connected and not damaged If necessary replace the wires or reconnect the wires Reset the controller when wires are replaced or reconnected Air proving switch defect Make sure...

Page 76: ...uck Make sure that the non return valve can move freely If necessary replace the non return valve Not enough pressure differential across the air proving switch due to venting system malfunctioning co...

Page 77: ...is not damaged Measure the resistance across the hot surface igniter This must be between the 36 and 72 Ohm at room temperature Make sure that the hot surface igniter lights up during ignition If nec...

Page 78: ...valve has closed If there is a flame the gas control valve must be replaced F08 lock out error Ionisation error Ionisation measured before the gas control valve was opened Defective safety relay Reset...

Page 79: ...r 2 of the temperature sensor Sensor is not correctly connected Make sure that the connector is connected to J3 Make sure that the wire is connected to the sensor Damaged wiring and or defective senso...

Page 80: ...node controller is on and the green LED is off The cables between the potentiostat and the anode s are loose or connected incorrectly The earth connection of the anode s is loose The water heater is n...

Page 81: ...value C 65 65 65 65 65 Hysteresis upwards adjustment range C 2 15 2 15 2 15 2 15 2 15 Hysteresis upwards default value C 10 10 10 10 10 Number of electrical anodes 1 1 2 2 2 Minimum measured air press...

Page 82: ...p 1 2 Hot water outlet connection female Rp 3 4 Rp 3 4 Rp 1 Rp 1 Rp 1 3 Gas control valve connection male mm 15 15 15 15 15 4 Drain valve connection female Rp 3 4 Rp 3 4 Rp 3 4 Rp 3 4 Rp 3 4 5 T P val...

Page 83: ...0312266_INNOVO_UKUK_V3 0 2017 02 10 83...

Page 84: ...Mass flow rate flue gases nominal load kg h 19 0 31 4 38 4 50 7 Flue gas temperature nominal load C 42 61 57 65 Gas category 3P G31 Diameter of the venturi restrictor mm 3 05 3 05 3 05 3 05 Nominal Lo...

Page 85: ...0 191 Daily fuel consumption kWh GCV 26 761 Mixed water 40 C V40 l 382 Description Unit IR 24 245 IR 24 285 IR 32 245 IR 32 285 IR 32 380 Declared load profile Load profile XXL XXL XXL XXL XXL Energy...

Page 86: ...rod C Hot surface igniter D Gas control valve E External ON mode switch F Additional error signal max 5A G Isolating transformer H Control switch J Display K Fan M Earth connection mounting plate P Ea...

Page 87: ...13 5 Declaration of conformity 0312266_INNOVO_UKUK_V3 0 2017 02 10 87...

Page 88: ...Smith installation instructions for the specific model and the relevant government and local authority installation and building codes rules and regulations in force at the time of installation The w...

Page 89: ...warehouse of the parts or components or water heater to be replaced transport labour installation and other costs associated with the replacement shall not be borne by A O Smith Article 6 Claims A cl...

Page 90: ...90 Installation Maintenance and Service part...

Page 91: ...trol switch 19 Controller 35 Copyright 3 E Error conditions 22 External ON mode switch 50 F Fan 35 H Heat exchanger 35 I Installation 37 L LCD display 20 P Preface 3 T Tank 35 Trademark 3 Troubleshoot...

Page 92: ...92 Installation Maintenance and Service part...

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