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8.8.3.3

Additional error signal

Note
The water heater has a relay contact that can be used when an error occurs. The relay
contact is potential–free (maximal 5 A).

Install an additional error signal:

Pull the power cable through the tulles.
Connect the cables to X1 and X2.
Install the cables in a pull relief under the electrical section.

8.8.4

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 cover

8.9

Commissioning

To commission the water heater:

Fill the water heater (see section 8.9.1)
Check the air pressure differential (see section 8.9.2)
Check the gas supply pressure (see section 8.9.3)
Check the CO

value (see section 8.9.4)

Turn on the water heater (see section 8.9.5)

1.
2.
3.

1.
2.

1.
2.
3.
4.
5.

0312266_INNOVO_UKUK_V3.0, 2017-02-10

Содержание Innovo 12-160

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 6: ...6...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 14: ...14...

Страница 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...

Страница 16: ...16 User part...

Страница 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...

Страница 18: ...18 User part...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 24: ...24 User part...

Страница 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...

Страница 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...

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

Страница 28: ...28 User part...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

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

Страница 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...

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

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