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A.O. Smith ADM - 115 manual

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Table of contents for the manual

  • Page 1

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  • Page 3

    Instruction manual ADM 3 gis Read this manual carefully Wa r ni n g Read this manual carefully before starting up the water heater . Failure to read this manual and to follow the instructions in this manual may lead to accidents, personal injury , and damage to the appliance. Copyright © 20 08 A.O. Smith W ater Product s Comp any All rights reserv[...]

  • Page 4

    4 Instruction manual ADM gis[...]

  • Page 5

    Instruction manual ADM 5 T able of content s 1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - 7 1.1 About the appliance - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7 1.2 What to do if you smell gas - - - - - - - - - - - - - - - - - - - - - - - - - 7 1.3 Regulations - - - - - - - - - - - - - - - - - - - - - - - - - - [...]

  • Page 6

    Table of contents 6 Instruction manual ADM 8 Status of the appliance - - - - - - - - - - - - - - - - - - - - - 49 8.1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 49 8.2 Operating modes - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 49 8.3 Error conditions - - - - - - - - - - - - - - - - - - - - - - - - - [...]

  • Page 7

    Instruction manual ADM 7 gis 1 Introduction 1.1 About the appliance This manual describes how to install, service and use the ADM appliance. The ADM appliance is a gas-fired open boil e r without fan. ADM applian ces are equipped with a flue gas backflow safegu ard. The ADM is an appliance of typ e B 11 B S . The information in this ma nual applies[...]

  • Page 8

    Introduction 8 Instruction manual ADM 1 gis Furthermore, the installation must c omply with the ma nufacturer's instructions. Note Later amendments and/or additions to all regulations, require ments and guidelines published on or prio r to the moment of installing, will apply to the installation. 1.4 T arget groups The three target groups for [...]

  • Page 9

    Instruction manual ADM 9 gis 1.7 Overview of this document The table provides an o verview of the contents of this document. Contents of this document Chapter T arget group s Description Worki ng principle of the appliance This chapter describes how the applian ce functions. Installation This chapter describes the installation acti vity to be compl[...]

  • Page 10

    Introduction 10 Instruction manual ADM 1 gis[...]

  • Page 11

    Instruction manual ADM 11 gis 2 W orking principle of the appliance 2.1 Introductio n T opics covered in this chapter: • General working princi ple of the appliance ; • The appliance's heating cycl e ; • Protection for the appliance ; • Safety of the inst allation . 2.2 General working principle of the appliance The figure shows a cut-[...]

  • Page 12

    Working princi ple of the appliance 12 Instruction manual ADM 2 gis In this appliance, th e cold water enters the bottom of the tank through the cold water inlet (14). The heat of combustion is conducte d to the water by the combustion chamber (8) and heat e xchang er (1 1). The h eated tap water leaves the tank through the hot water outlet (2). On[...]

  • Page 13

    Instruction manual ADM 13 gis 2.4.2 Water temperatu re protection By means of the frost, high-limit an d sa fety thermostats, the burner control monitors three temperatures that are important for safety . The table explains the working principle of the thermostats with sensors. T emperature protection 2.4.3 Fl ue gas backflow safe guard The flue ga[...]

  • Page 14

    Working princi ple of the appliance 14 Instruction manual ADM 2 gis 2.5.2 Unvented inst allation With an unvented installation, an expansion valve valve and expansion vessel prevent the buildup of exce ssive pressu re in the tank. This prevents damage being caused to the enamelled coating (i n the appliance) or to the tank. A non- return valve prev[...]

  • Page 15

    Instruction manual ADM 15 is 3 Inst allation Wa r ni n g Installation work should be carried o ut by an approved installation engineer in compliance with the general and local reg ulations imposed by the gas, water and power supply companies and the fire service. The appliance may only be installed in a room that complies with the requirements stat[...]

  • Page 16

    Installation 16 Instruction manual ADM 3 is Air humidity and ambient temperature specifi cations 3.3.2 Maximum floor load In connection with the appl iance's weight , take account of the maximum floor loading, refer to the table. 3.3.3 W ater composition The appliance is inte nded for heating drinking water . The drinking water must comply wit[...]

  • Page 17

    Instruction manual ADM 17 is Working clearance s 3.4 T echnical specifications The appliance is supplied without accessories. C heck the dimensions (3.4.1 "D imensions 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 t[...]

  • Page 18

    Installation 18 Instruction manual ADM 3 is 3.4.1 Dimensions of the appliance Plan and elevation of the appliance Legend See the table. 10º 37º 45º F E A D H G B M R K P S N J 6 1 3 4 6 2 5 IMD- 0 1 35 R2[...]

  • Page 19

    Instruction manual ADM 19 is Dimensions (all measurements in mm unless otherwise indicated) 3.4.2 Ge neral and el ectrical specif ications General and electrical specifications Dime nsion Description ADM 40 ADM 50 ADM 60 ADM 80 ADM 90 ADM 11 5 ADM 135 A T otal height 1900 2100 1900 2100 2000 2085 2085 B Height of top of app liance 1760 1960 1760 19[...]

  • Page 20

    Installation 20 Instruction manual ADM 3 is 3.4.3 Gas dat a Gas data Description II 2H3+ Unit ADM 40 ADM 50 ADM 60 ADM 80 ADM 90 ADM 11 5 ADM 135 Gas categor y 2H: General Orifice diameter mm 3.20 3. 20 3.10 2.95 3.20 3.20 3.90 (1) = Blank plate (2) = Burner pressure regulator (3) = High/low regulator 1 , 2 o r 3 2222222 Gas category G20 - 20 mbar [...]

  • Page 21

    Instruction manual ADM 21 is 3.5 Inst allation diagram 3.5.1 In st allation This figure shows the installation diagram. This diagra m is used in the sections in which the actual connection process is descri bed. Installation diagram Legend Only applicable numbers are mentioned. 1. pressure reducing valve (mandatory) 3. T&P valve (mandatory) 4. [...]

  • Page 22

    Installation 22 Instruction manual ADM 3 is 3.6 Water connec tions, Ve n t e d Wa r ni n g The installation should be carrie d out by an authorised installation engineer , in compliance with general and loca l regulations (1.3 "Regulatio ns") . 3.6.1 Cold water side See (A) in the installation diagram (3.5 "Installation diagram"[...]

  • Page 23

    Instruction manual ADM 23 is 3.6.5 Circu lation pipe See (C) in the installation diagram (3.5 "Inst allation diagram") . If an immediate flow of hot water is requ ired at draw-off points, a circulation pump can be installed. This improves comfort and reduces water wastage. 1. Fit a circulation pump (6) of the corre ct cap acity for the le[...]

  • Page 24

    Installation 24 Instruction manual ADM 3 is 3.7.5 Circulation pipe See (C) in the installation diagram (3.5 " Installation diagram") . If an immediate flow of hot water is r equired at dr aw-of f poin ts, a circulation pump can be installed. This improv es comfort and reduces water wastage. 1. Fit a circulation pump (6) of the correct cap[...]

  • Page 25

    Instruction manual ADM 25 is 3.9 Chimney flue Wa r ni n g The installation should be carried out by an authorised installation engineer , in compliance with general and local regulatio ns (1.3 "Regulations") . 3.9.1 Intro duction The separately-supplied draught diverte r must be used when connecting the appliance to th e chimney flue. The[...]

  • Page 26

    Installation 26 Instruction manual ADM 3 is 8. Screw the draught diverter tightly in place. 9. Fit: - a 45° bend (7) onto the outlet of th e draught diverter , followed by: - a corrosion-resistant vert ical chimney pipe (8) of at least 0.5 metres in length, - the remaining flu e components. Note Use flue gas discharge materi als that comply with t[...]

  • Page 27

    Instruction manual ADM 27 is 3.10.1 Prep arations Caution The appli ance is phase -sensitive. It is absolutely es sential to connect the mains live (L) to th e live of the applian ce, and the mains neutral (N ) to the neutral of the appliance. Caution There must also be no potential difference between neutral (N) and earth ( ). If this is the case,[...]

  • Page 28

    Installation 28 Instruction manual ADM 3 is The connector block (C) is now visible. Note Please consult (14.2 "Electrical Diagrams ADM") the appropriate electrical diagram for details of the connecti ons of the electrical components. T erminal b lock 3.10.2 Connecting the mains power The appliance is suppli ed without a power cable and is[...]

  • Page 29

    Instruction manual ADM 29 is Gas control for ADM 40 through 1 15 Legend Only applicable numbers are mentioned. 1. burner pressure regulator 2. burner pressure regulator cap 3. burner pressure regulator adjustment screw 4. gas control conne ctor 5. blank plate 6. supply pressure test nipple 7. gas control 8. manifold test nipple 1 4 5 6 7 2 8 3 IMD-[...]

  • Page 30

    Installation 30 Instruction manual ADM 3 is Gas control for ADM 135 3.1 1 .1 Prep arations 1. Isolate the appliance from the power supply (10.3 "Isola ting the appliance from the mains") . 2. There are two test nipples on the gas control. T est nipple (6) is used to check the supply pressure. The o ther test nipp le on the gas control is [...]

  • Page 31

    Instruction manual ADM 31 is 10. Use the pressure gauge to read the supply pressure at test ni pple (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. 1 1. Use the pressure gauge to read the burner pressure at nipple (8 ). Refer to the gas data table (3.4[...]

  • Page 32

    Installation 32 Instruction manual ADM 3 is[...]

  • Page 33

    Instruction manual ADM 33 is 4 Conversion to a different gas category Caution The conversion may only by carried out by an authorised installation engineer . If the appliance must operate on a family of gases (LP gas or natural gas) or other gas category than th at for which the appliance has been set at the factory , the appliance will have be ad [...]

  • Page 34

    Conversion to a differen t gas category 34 Instruction manual ADM 4 is Exchanging orific es 4.1 Conversion to different categor y ADM 40 through 1 15 1. Isolate the appliance from the power supply (10.3 "Isola ting the appliance from the mains") . 2. Shut off the gas supply . Caution The burner can be hot. 3. Unscrew the cover plate (1) f[...]

  • Page 35

    Instruction manual ADM 35 is 7. Select and fit the correct orifices from the conversion kit, based on the gas data table (3.4.3 "Gas data") . The orifice diameter is stamped on the orifice itself, see (3). 8. Re-fit the burners back in their original positi on. 9. Re-fit the retaining strips. 10. If the radiation shield / condensation tra[...]

  • Page 36

    Conversion to a differen t gas category 36 Instruction manual ADM 4 is 13. Check the supply pressure and burner pressure (3.1 1 "Checking the supply pressure and burner pressure") . 14. Remove the sticker showing the new gas category from the conversion kit, and attach it below the applian ce's rating plate. This clearly indicates th[...]

  • Page 37

    Instruction manual ADM 37 is 4.2.2 Conversion from LP gas to natu ral gas Installing and removing add-on components Legend Only applicable numbers are mentioned. 4. timers 5. bracket 6. 6-contact terminal strip 7. strain relief 8. 9-contact terminal strip 9. metric strain relief 10. high-low control lead 4 9 7 5 10 6 8 IMD-0130 R1[...]

  • Page 38

    Conversion to a differen t gas category 38 Instruction manual ADM 4 is 1. Carry out (4.1 "Conversion to different cate gory ADM 40 through 1 15") steps 1 through 10 . 2. Detach the high-low control (9). 3. Fit the burner pressure regu lator (1) including the sealing gasket from the conversion kit. Attach the burner pressu re regulator to [...]

  • Page 39

    Instruction manual ADM 39 is 1 1. Remove the sticker showing the new gas category from the conver sion kit, and attach it below the ap pliance's rating plate. This clearly indicates that the appliance may no longer be run on the gas for which it wa s originally supplied. 12. S tart the appliance (9 "S tarting and running ") .[...]

  • Page 40

    Conversion to a differen t gas category 40 Instruction manual ADM 4 is[...]

  • Page 41

    Instruction manual ADM 41 gis 5 Filling Installation diagram Legend Only applicable numbers are mentioned. 1. pressure reducing valve (mandatory) 3. T&P valve (mandatory) 4. stop valve (recommended) 5. non-return valve (mandatory) 6. circulation pump (optional) 7. top to bottom ci rculatio n pump (optional) 9. drain valve 10. manual gas valve ([...]

  • Page 42

    Filling 42 Instruction manual ADM 5 gis 5.1 Filling unvented inst allations T o fill the appliance, pro ceed as follows: 1. Open the stop valve (1 1) in the hot wate r pipe and , if present, the stop valves (4) for the circulation pump (6). 2. Close the drain valve (9). 3. Open the nearest hot wate r draw-off point (14). 4. Open the stop valve (4) [...]

  • Page 43

    Instruction manual ADM 43 gis 6 Draining Installation diagram Legend Only applicable numbers are mentioned. 1. pressure reducing valve (mandatory) 3. T&P valve (mandatory) 4. stop valve (recommended) 5. non-return valve (mandatory) 6. circulation pump (optional) 7. top to bottom ci rculatio n pump (optional) 9. drain valve 10. manual gas valve [...]

  • Page 44

    Draining 44 Instruction manual ADM 6 gis 6.1 Draining unvented inst allations Some service activities require the applia nce to be draine d. The procedure is as follows: 1. Shut down the appliance by setting the ON/OFF switch on the control panel to position 0 . 2. Isolate the water heate r from the po wer supply by p utting the isolator between th[...]

  • Page 45

    Instruction manual ADM 45 gis 6.2 Drainin g vented inst allations Some service activities requ ire the appli ance to be drained. The procedure is as follows: 1. Shut down the applian ce by setting the ON/OFF switch on the control panel to position 0 . 2. Isolate the water heater from the power supply by putting the isolator between the appliance an[...]

  • Page 46

    Draining 46 Instruction manual ADM 6 gis[...]

  • Page 47

    Instruction manual ADM 47 gis 7 The control p anel 7.1 Introductio n T opics covered in this chapter , in seque nce: • Control panel • Explanation of icons • ON/OFF switch • Control thermostat • Burner control reset button • Flue gas thermostat reset button 7.2 Control p anel This figure shows the control panel. The control panel The co[...]

  • Page 48

    The control pane l 48 Instruction manual ADM 7 gis 7.6 Burner control res et button An error can cause the burner control to lock out. When this happens, the red LED o n the control panel will illuminate. After eliminating the cause of the error , you can reset the appliance using the reset button. Note Before resetting, alwa ys eliminate the cause[...]

  • Page 49

    Instruction manual ADM 49 gis 8 S t atus of the appliance 8.1 Introductio n T opics covered in this chapter: • Operating modes ; • Error conditions ; 8.2 Operating modes When running, the applianc e has three basic operating modes, na mely: • ELECTRICALL Y ISOLA TED In this mode, the appliance is off and no components are live. The isolator ([...]

  • Page 50

    Status of the app liance 50 Instruction manual ADM 8 gis[...]

  • Page 51

    Instruction manual ADM 51 gis 9 S t arting and running 9.1 Introductio n T opics covered in this chapter: • S tarting the appliance ; • The appliance' s heating cycle . 9.2 St arting the appliance S tart the appliance as follows: 1. Fill the appli ance (5 "Filling") . 2. Open (3.5 "Installation diagram") the ma nual gas[...]

  • Page 52

    Starting and ru nning 52 Instruction manual ADM 9 gis[...]

  • Page 53

    Instruction manual ADM 53 gis 10 Shutting down 10.1 Introductio n T opics covered in this chapter: • Shutting down the ap pliance for a brief period (OFF mode) ; • Isolating the applian ce from the mains ; • Shutting the a ppliance down for a long period . 10.2 Shutting down the app liance for a brief period (OFF mode) T o shut the appli ance[...]

  • Page 54

    Shutting down 54 Instruction manual ADM 10 gis[...]

  • Page 55

    Instruction manual ADM 55 gis 1 1 T roubleshooting 1 1.1 Introduction This chapter deals with the follo wing pro blems with the appliance: • Gas smell. • W ater l eakage. • Explosive ignition. • Poor flame profile. • No hot water . • Insufficient hot water . 1 1.2 Error conditions If the water hea ter goes into an "error" cond[...]

  • Page 56

    is Instruction manual ADM 56 1 1.3 T roubleshooting t able for general errors Wa r ni n g Maintenance may only be perfo rmed by a qualified service and maintenance engi neer . General faults and failures Symptom Cause Precautions Comment Gas smell Gas leak Wa r n i n g Close the main gas valve immediately . Wa r ni n g Do not operate any switches. [...]

  • Page 57

    is Instruction manual ADM 57 1 1.4 ADM T roubleshooting table - no hot water Wa r ni n g Maintenance may only be perfo rmed by a qualified service and maintenance engi neer . No hot water Symptom Cause Precautions Comment Green LED OFF and Red LED ON No supply voltage present 1. Check if the isolator is ON. 2. Check whether there is power to the is[...]

  • Page 58

    is Instruction manual ADM 58 Symptom Cause Precautions Comment (a) three unsuccessful start attempt s in a row 1. No gas: - Check that the gas val ve is open - Check whether the gas control is opening (clickin g of the gas control) - Check the leads of the gas control 2. No ignition: - Check whether the hot surface ign iter lights up - Check the el[...]

  • Page 59

    is Instruction manual ADM 59 1 1.5 T roubleshooting t able - 'insufficient hot water' Wa r ni n g Maintenance may only be perfo rmed by a qualified service and maintenance engi neer . Insufficient hot water Symptom Cause Precautions Comment Insufficient hot water Water temperature setting (T set ) is too low Set the control thermostat (7.[...]

  • Page 60

    is Instruction manual ADM 60[...]

  • Page 61

    Instruction manual ADM 61 s 12 Performing maintenance 12.1 Introductio n Caut ion Maintenance may only by carried out by an approved service an d maintenance engineer . At each service, the appliance unde rgoes maintenance on both the w ater side and the gas side. The maintena nce must be carried out in the following ord er . 1. W ater-side mainten[...]

  • Page 62

    Performing maintenance 62 Instruction manual ADM 12 s 12.3 Water-side maintenance 12.3.1 Introduction The following steps must be carried out on the water side: 1. Checking the anodes . 2. Descaling and cleaning the tank . 12.3.2 Checking the anodes T imely replacement o f the anodes extends the service life of the appliance. The appliance's a[...]

  • Page 63

    Instruction manual ADM 63 s T o simplify the task of descaling a nd cleaning the tank, the appliance is equipped with two cleaning opening s. 1. Remove the cover plate (1) on the outer jacket (see the figure). 2. Carefully remove the insulatio n layer (2) and set it to one side. This will be needed again later . 3. Undo the bolts. 4. Remove the lid[...]

  • Page 64

    Performing maintenance 64 Instruction manual ADM 12 s 12.4.1 Introduction The following steps must be carried out on the gas side: 1. Clean the burner(s) . 2. Clean the orifice(s) . 3. Checking the flue ba ff les . 12.4.2 Clean the burner(s) 1. Detach the burner(s) 2. Remove all contamination present on the burner(s). 3. Fit the burner(s) 12.4.3 Cl[...]

  • Page 65

    Instruction manual ADM 65 gis 13 W arranty (certificate) T o register your warranty , you shou ld complete and return th e enclosed warranty card after which a wa rranty ce rtificate will be sent to you. This certificate gives the owner of a appl iance supplied by A.O. Smith Water Products Company B.V . of V eld hoven, The Netherlands (hereinafter [...]

  • Page 66

    Warranty (certificate) 66 Instruction manual ADM 13 gis i. The appli ance is at all times fitted with cathodic protection. If sacrificial anodes are used for this, these must be replaced and renewed whe n, and as soon as, they are 60% or mo re consumed. When e lectric anodes are used, it is important to ensure that they continue to work properly . [...]

  • Page 67

    Instruction manual ADM 67 is 14 Appendices 14.1 Introductio n This section gives the electrical diagrams for: • Electrical diagram for ADM 40 to 135 natural gas and 40 to 1 15 LPG • Electrical diagram 135 - LP gas[...]

  • Page 68

    Appendices 68 Instruction manual ADM 14 is 14.2 Electric al Diagrams ADM 14.2.1 Electrical diagram for ADM 40 to 1 35 natural gas and 40 to 1 15 LPG 1 = brown, 2 = blue, 3 = yellow/green, 4 = black, 5 = white (flat cable) I 0 L 24V N N L M 4 2 1 3 4 12 12 1 4 1 23 1 4 2 1 2 1 4 4 4 3 3 3 4 3 4 4 11 H 1 G 4 3 12 4 3 11 12 4 N TV L' L" N HN[...]

  • Page 69

    Instruction manual ADM 69 is TERMINAL STRIP CONNECTIONS: Earth N Neutral L 1 Phase input of controller L 2 Phase input of flue gas thermostat L 3 Phase output of flue gas thermostat COMPONENTS: A T w o-pole isolator switch B Flue gas thermostat C "Error" signalling D "Operational" si gnalling E RESET button F Burner control G Co[...]

  • Page 70

    Appendices 70 Instruction manual ADM 14 is 14.2.2 Electrical diagram 135 - LP gas 1 = brown, 2 = blue, 3 = yellow/green, 4 = black, 5 = white (flat cable) 3 L 1 L 2 1 A 2 1 1 5 3 2 3 4 4 4 6 4 9 8 7 6 5 4 3 2 1 4 1 4 2 3 CD E N L B L 1 3 2 1 N 2 1 13 2 3 4 4 2 L L 4 45 4 A 50Hz 230V AC 4 2 3 1 HOT FACE I F F1 FUSE 1 44 4 G 12 11 12 11 H 33 J 0 I 14[...]

  • Page 71

    Instruction manual ADM 71 is TERMINAL STRIP CONNECTIONS: Earth N Neutral L 1 Phase input of controller L 2 Phase input of flue gas thermostat L 3 Phase output of flue gas thermostat COMPONENTS: A T w o-pole isolator switch B Flue gas thermostat C "Error" signalling D "Operational" si gnalling E RESET button F Burner control G Co[...]

  • Page 72

    Appendices 72 Instruction manual ADM 14 is[...]

  • Page 73

    Instruction manual ADM 73 Index A ambient temperature 15 B burner pressure 28 C claims 66 connect circulation piping 23, 24 cold water side 22, 23 electrical 26, 28 gas 24 hot water side 23 shut pipe 22, 23 connecting circulation pipe 23, 24 connecting cold water side 22, 23 connecting hot water side 23 control thermostat 47 conversion to a differe[...]

  • Page 74

    0306 132 4.0 UK Index Instruction manual ADM[...]