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Conversion to a different gas category

Instruction manual ADMR

4.2

Conversion to a
different gas
category ADMR 135

4.2.1

Introduction

This paragraph describes:
•

Conversion from LP gas to natural gas

;

•

Conversion from natural gas to LP gas

Conversion of gas control

Legend

Only applicable numbers are

mentioned.
1. burner pressure regulator
7. gas control
9. high-low control

IMD-0132 R1

Содержание ADMR-115

Страница 1: ...0306 114 Innovation has a name RESE T ENTER 0063 ADMR Installation User and Service Manual Commercial Atmospheric Water Heater ADMR 40 50 60 80 90 115 135...

Страница 2: ...A O Smith 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...

Страница 3: ...her than that stated in this manual and in accordance with the General Conditions registered at the Eindhoven Chamber of Commerce Refer further to the General Conditions These are available on request...

Страница 4: ...4 Instruction manual ADMR gis...

Страница 5: ...3 5 Installation diagram 23 3 6 Water connections Vented 24 3 7 Water connections Unvented 25 3 8 Gas connection 26 3 9 Chimney flue 27 3 10 Electrical connection 30 3 11 Checking the supply pressure...

Страница 6: ...ying the error history 65 12 4 Displaying the appliance history 66 12 5 Display the selected appliance 66 12 6 Switching the pump on or off 66 12 7 Setting the service interval 66 12 8 Setting the dis...

Страница 7: ...Instruction manual ADMR 7 16 6 Claims 88 16 7 Obligations of A O Smith 88 17 Appendices 89 17 1 Introduction 89 17 2 Electrical Diagrams ADMR 90 17 3 Week program card 95...

Страница 8: ...Table of contents 8 Instruction manual ADMR...

Страница 9: ...u smell gas Warning If there is a gas smell No naked flames No smoking Avoid causing sparks Do not use any electrical equipment or switch i e no telephones plugs or bells Open windows and doors Shut o...

Страница 10: ...temperature Note To determine the correct maintenance frequency it is recommended to arrange for the service and maintenance engineer to check the appliance on both the water and gas side within thre...

Страница 11: ...This is the actual menu for the user however the installation engineer and service and maintenance engineers will also need to use this menu Service program This chapter describes the service menu It...

Страница 12: ...Introduction 12 Instruction manual ADMR 1 gis...

Страница 13: ...appliance Legend Only applicable numbers are mentioned 2 hot water outlet 4 ThermoControl electronic controller 7 temperature sensor T1 8 combustion chamber 9 anode 10 tank 11 heat exchanger 12 inspec...

Страница 14: ...the draught diverter The flue damper opens before the burner tray ignites and closes as soon as the flame is extinguished A radiation shield condensation tray 35 is mounted below the burner tray This...

Страница 15: ...namelled coating in the appliance or to the tank A non return valve prevents excessive pressure buildup in the water supply system This valve also prevents water from flowing backwards from the tank i...

Страница 16: ...re in the tank and the water temperature at the top of the tank If the pressure in the tank becomes excessive 10 bar or the water temperature is too high 97 C the valve will open The hot water can now...

Страница 17: ...be carried out before the appliance may be started up 9 Starting and running in particular Packaging Ambient conditions Technical specifications Water connections Vented Water connections Vented Gas c...

Страница 18: ...teed Air humidity and ambient temperature specifications 3 3 2 Maximum floor load In connection with the appliance s weight take account of the maximum floor loading refer to the table 3 3 3 Water com...

Страница 19: ...ble clearance is less than 100 cm flexible magnesium anodes may be ordered Note When installing the appliance be aware that any leakage from the tank and or connections can cause damage to the immedia...

Страница 20: ...e dimensions 3 4 1 Dimensions of the appliance gas data 3 4 3 Gas data and other specifications 3 4 2 General and electrical specifications of any accessories you plan to use 3 4 1 Dimensions of the a...

Страница 21: ...ion 500 515 500 515 525 600 595 S Height of T P valve connection 1550 1760 1550 1760 1595 1660 1660 1 Cold water supply connection male R11 2 R11 2 R11 2 R11 2 R11 2 R11 2 R11 2 2 Hot water outlet con...

Страница 22: ...70 1 70 1 50 1 70 1 70 2 25 1 Blank plate 2 Burner pressure regulator 3 High low control 1 2 or 3 1 1 1 1 1 1 3 Gas category G30 30 mbar Nominal load gross calorific value kW 41 6 55 3 68 2 80 7 96 1...

Страница 23: ...ion pump optional 7 top to bottom circulation pump optional 9 drain valve 10 manual gas valve mandatory 11 service stop valve mandatory 12 temperature gauge recommended 14 hot water draw off points 15...

Страница 24: ...irculation pipe 22 mm a stop valve 11 and a top to bottom circulation pump 7 2 Fit a non return valve 5 3 Fit a stop valve 11 3 6 3 Hot water side See B in the installation diagram 3 5 Installation di...

Страница 25: ...3 5 Installation diagram 1 Fit an approved stop valve 4 on the cold water side as required by applicable regulations 1 3 Regulations 2 The maximum working pressure of the appliance is 8 bar Because th...

Страница 26: ...non return valve 5 behind the circulation pump to guarantee the direction of circulation 3 Fit two stop valves for service purposes 4 4 Connect the circulation pipe to the T piece at the drain valve...

Страница 27: ...the draught diverter The draught diverter can be positioned according to preference Once it is positioned the draught diverter is secured to the top of the appliance using two screws 6 while it is als...

Страница 28: ...aling ring 5 on the appliance 9 Screw the draught diverter tightly in place 10 Fit a 45 bend 7 onto the outlet of the draught diverter followed by a corrosion resistant vertical chimney pipe 8 of at l...

Страница 29: ...her the left or the right hand side of the draught diverter Flue damper 1 Take the flue damper 1 out of the packaging 2 There are two cover plates on the draught diverter one on each side Unscrew thes...

Страница 30: ...he installation should be carried out by an authorised installation engineer in compliance with general and local regulations 1 3 Regulations 3 10 1 Introduction Topics covered in this paragraph Prepa...

Страница 31: ...isolating transformer For more information or to order this isolating transformer please contact A O Smith water Products Company The figure shows a view of the terminal blocks and the table explains...

Страница 32: ...d the power cable through the metric strain relief to the top side of the control column 2 Connect the earth live L1 and neutral N of the power cable to terminals 1 through 3 in the connector block as...

Страница 33: ...top of the control column 2 Connect earth live L1 and neutral N to terminals 7 8 and 9 as indicated in the terminal block connections table 3 10 2 Preparation 3 Turn the strain relief tight to clamp...

Страница 34: ...the strain relief tight to clamp the lead 5 If you do not need to make any more connections fit the protective cover onto the control column 3 11 Checking the supply pressure and burner pressure Note...

Страница 35: ...n them they can be difficult to re tighten 3 Connect a pressure gauge to the manifold test nipple 8 4 Open the gas supply and bleed the air from the mains gas supply via test nipple 6 5 Connect a pres...

Страница 36: ...the pressure gauge to read the supply pressure at test nipple 6 Refer to the gas data table 3 4 3 Gas data Note Consult the mains gas supply company if the supply pressure is not correct 11 Use the pr...

Страница 37: ...re is reached 5 Fit the cap 2 back on the burner pressure regulator 6 Activate the OFF mode of the electronic controller 7 If the MENU is not displayed press Use and to place the cursor beside OFF Con...

Страница 38: ...Installation 38 Instruction manual ADMR 3 is...

Страница 39: ...at for which the appliance has been set at the factory the appliance will have be adapted using a special conversion kit Caution You must check the supply pressure and burner pressure once the convers...

Страница 40: ...d to simplify disassembly of the burner 5 Remove the burners one by one from their brackets at the front To do this you first move them away from you and then downwards The orifices will now be access...

Страница 41: ...If the blank plate or burner pressure regulator need to be replaced Unscrew the connector 4 of the gas control If necessary remove the blank plate or burner pressure regulator 5 or burner pressure reg...

Страница 42: ...rent gas category ADMR 135 4 2 1 Introduction This paragraph describes Conversion from LP gas to natural gas Conversion from natural gas to LP gas Conversion of gas control Legend Only applicable numb...

Страница 43: ...natural gas Installing and removing add on components Legend Only applicable numbers are mentioned 4 timers 5 bracket 6 6 contact terminal strip 7 pull reliefs 8 9 contact terminal strip 9 metric pul...

Страница 44: ...ppliance may no longer be run on the gas for which it was originally supplied 12 Start the appliance 9 1 Starting and running 4 2 3 Conversion from natural gas to LP gas 1 Carry out steps 1 through 9...

Страница 45: ...rom the nearest draw off point the appliance is full 6 Bleed the entire installation of air for example by opening all draw off points Legend Only applicable numbers are mentioned 1 pressure reducing...

Страница 46: ...that cold water flows into the appliance 5 Completely fill the appliance When a full water jet flows from the nearest draw off point the appliance is full 6 Bleed the entire installation of air for ex...

Страница 47: ...ot water pipe 8 Close the supply valve 4 in the cold water supply A 9 Open the drain valve 9 10 Bleed the appliance or installation so that it drains completely Legend Only applicable numbers are ment...

Страница 48: ...Close the stop valve 4 between the water tank and the cold water inlet A 9 Open the drain valve 9 10 Bleed the appliance or installation so that it drains completely Legend Only applicable numbers are...

Страница 49: ...the figure both with and without icons 7 3 Explanation of icons The table explains the meanings of the icons Icons and their meaning 7 4 Electronic controller ON OFF switch The ON OFF switch of the el...

Страница 50: ...main menu The main menu comprises OFF ON WEEK PROGRAM EXTRA PERIOD and SETTINGS You have to scroll down further to see the options EXTRA PERIOD and SETTINGS The selected option is confirmed using Pre...

Страница 51: ...n the appliance is idle or depending on the heating cycle 2 3 The appliance s heating cycle displays a text such as HEAT DEMAND 8 2 3 EXTRA In this mode one extra period is programmed and activated In...

Страница 52: ...to four alternately a brief explanation of the error and a brief action to resolve the error CautionThe displayed action to resolve the error may only be performed by a service and maintenance engine...

Страница 53: ...as the measured water temperature Tnet falls below the threshold value Tset This threshold value depends on the currently selected appliance operating mode For example if the appliance is in OFF mode...

Страница 54: ...mmed The icon is activated The message RUNNING appears 7 When the water reaches the set temperature the demand ceases The flue damper and gas control both close and the burner tray is extinguished A n...

Страница 55: ...Electrically isolating the appliance The appliance should only be isolated from mains power in the correct way The correct procedure is as follows 1 Activate the MENU with 2 Position the cursor in fro...

Страница 56: ...Shutting down 56 Instruction manual ADMR 10 gis...

Страница 57: ...decrease the value Confirm with After confirming the appliance enters ONmode Note If the preset temperature is higher than the current water temperature then the appliance might not immediately start...

Страница 58: ...Note The switch off time must always be followed by a switch off time on the same day of the week A maximum of three periods may be programmed per day You can program a maximum of 21 periods Call up...

Страница 59: ...e pump ensures a regular circulation of hot water in the hot water pipes You can skip this step if you there is no pump in your hot water circuit Confirm with The cursor moves to SAVE 2 Confirm with T...

Страница 60: ...lly in the display Assume that the switch on off times for the appliance are programmed as in the figure To delete a period proceed as follows 1 WEEK PROGRAM PROGRAM OVERVIEW Confirm with 2 Scroll wit...

Страница 61: ...od 11 5 1 Programming an extra period 1 Call up the menu for entering an extra period via 2 EXTRA PERIOD Confirm with The display show the settings for the extra period Setting the switch on time 1 Us...

Страница 62: ...the extra period will NOT be automatically switched on 11 6 Settings Using the SETTINGS option you can adjust certain settings and read certain appliance data Adjustable settings Language of the menu...

Страница 63: ...daylight saving 11 6 3 Displaying appliance specifications Note This category is solely intended for the installation engineer and or service and maintenance engineer The table shows the standard set...

Страница 64: ...Main menu 64 Instruction manual ADMR 11 gis...

Страница 65: ...rgin We refer to this margin as the hysteresis The standard setting for this margin is 2 C The heating cycle starts if the water temperature drops to 2 C below the SETPOINT and ends when the water rea...

Страница 66: ...service interval To aid servicing the electronic controller includes a service interval which is used to set the frequency of maintenance interval 14 2 Determining service interval by the service and...

Страница 67: ...hree and four a long description alternating with a recommended action See the figures The first shows a possible error the second shows the appropriate checking action There are various types of erro...

Страница 68: ...e ON OFF switch of the electronic controller is ON position I 4 Check whether there is power to the electrical connector block 5 The measured voltage must be 230 VAC 15 10 See the ADMR electrical diag...

Страница 69: ...ng No supply voltage present 1 Check if the isolator is ON 2 Check that there is power to the isolator 3 Check whether the ON OFF switch of the electronic controller is ON position I 4 Check whether t...

Страница 70: ...of temperature sensor T1 at the top of the tank 1 Sensor is not correctly connected Connect the sensor lead to JP5 See the ADMR electrical diagram 17 Appendices Defective sensor Replace sensor T1 To...

Страница 71: ...sor T2 To replace the necessary parts you must contact your installation engineer Damaged wiring 1 Measure the wire resistance of the sensor lead This must be 0 Ohm 2 Replace any damaged leads To repl...

Страница 72: ...ted wrong way round Connect live and neutral correctly 3 10 Electrical connection the appliance is phase sensitive See the ADMR electrical diagram 17 Appendices Condensation on the flame probe 1 Disco...

Страница 73: ...e across the hot surface igniter This must lie between 2 and 5 ohms 4 Check that the hot surface igniter lights up during ignition 5 If necessary replace the hot surface igniter If the error persists...

Страница 74: ...onic controller If the error cannot be resolved or is persistent contact your installation engineer To replace the necessary parts you must contact your installation engineer F09 lock out error Water...

Страница 75: ...lock out error Flue damper not driven by the motor The motor fails to open the flue damper See F10 If the error cannot be resolved or is persistent contact your installation engineer F14 lock out err...

Страница 76: ...or Safety relay error Ignition relay error RAM error EEPROM error EEPROM contents do not match the software version C03 blocking error Reset error Too many resets in too short a period Wait for the er...

Страница 77: ...t the electronic controller Replace the sensor if the error persists To replace the necessary parts you must contact your installation engineer E04 lock out error Error in dummy sensor 2 The two dummy...

Страница 78: ...is Instruction manual ADMR 78...

Страница 79: ...l can be set to 500 1000 or 1500 burning hours The standard setting is 500 burning hours Example In the first three months the appliance has burnt 300 hours During maintenance it is evident that one s...

Страница 80: ...Maintenance frequency 80 Instruction manual ADMR 14 is...

Страница 81: ...d model and the full serial number of the appliance These details can be found on the rating plate Only by ordering with this information can you be sure to receive the correct spare parts 15 2 Prepar...

Страница 82: ...12 Test the operation of the overflow valve of the protected cold supply setup The water should spurt out 13 Test the overflow operation of the T P valve The water should spurt out 14 Check the drain...

Страница 83: ...uction of the heat to the water Periodic cleaning and descaling prevents buildup of these deposits This increases the service life of the appliance and also improves the heating process Take the rate...

Страница 84: ...ould be torqued down in the sequence shown in the figure 15 3 4 Clean the orifice s 1 Detach the orifice s 2 Remove all contamination present in the orifice s 3 Fit the orifice s 15 4 Gas side mainten...

Страница 85: ...this if necessary 3 Check the flue baffles for wear and replace the flue baffles if necessary 4 Place a new sealing ring on the rim of the tank and re fit the lid 5 Fit the draught diverter 3 9 2 Fit...

Страница 86: ...Performing maintenance 86 Instruction manual ADMR 15 s...

Страница 87: ...r heater the warranty shall be reduced to one year from the original installation date 16 3 Conditions for Installation and use The warranty set out in article 1 and 2 will apply solely under the foll...

Страница 88: ...water heater other than by an approved service engineer 16 5 Scope of the warranty The obligations of A O Smith pursuant to the specified warranty do not extend beyond free delivery from the Veldhove...

Страница 89: ...Instruction manual ADMR 89 is 17 Appendices 17 1 Introduction This appendix contains Electrical diagrams ADMR 17 2 Electrical Diagrams ADMR Week program card...

Страница 90: ...n manual ADMR 17 is 17 2 Elektrical Diagrams 17 2 1 Electrical Diagram ADMR 40 through 115 and 135 natural gas 1 brown 2 blue 3 yellow green 4 black 5 white 6 grey beige 7 green 8 yellow ADMR 17 2 1 A...

Страница 91: ...pump J Flue damper K Isolating transformer L Controller 0 I switch M Display N Extra ON mode switch O Connection for flue gas sensor P Temperature sensor T2 bottom of tank Q Temperature sensor T1 top...

Страница 92: ...Appendices 92 Instruction manual ADMR 17 is 17 2 2 Electrical Diagram ADMR 135 LP gas 1 brown 2 blue 3 yellow green 4 black 5 white 6 grey beige 7 green 8 yellow...

Страница 93: ...p K Continuous pump L Flue damper M Isolating transformer N Controller I O switch O Display P Extra ON mode switch Q Connection for flue gas sensor R Temperature sensor T2 bottom of tank S Temperature...

Страница 94: ...Appendices 94 Instruction manual ADMR 17 is...

Страница 95: ...OFF OFF 5 ON C ON OFF OFF 6 ON C ON OFF OFF 7 ON C ON OFF OFF 8 ON C ON OFF OFF 9 ON C ON OFF OFF 10 ON C ON OFF OFF 11 ON C ON OFF OFF Period DAY TIME Tset Pump 1 ON MO 14 30 70 C ON OFF OFF MO 16 15...

Страница 96: ...Instruction manual ADMR 96...

Страница 97: ...n 10 frost protection 51 G gas category conversion to different 39 gas connection 26 general specifications 3 H heating cycle 14 humidity 18 hysteresis setting 65 I installation engineer 10 isolator 3...

Страница 98: ...s 10 temperature sensor T1 14 T2 14 ThermoControl ON OFF switch 49 Tnet 14 to shut down electrically isolating 55 longer period 55 short period 55 trademarks 3 U user 10 W warranty 87 exclusions 88 ge...

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