A.O. Smith ADM - 50 - Manuals

A.O. Smith ADM - 50 – Manual in PDF format online.

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Manual

Manual A.O. Smith ADM - 50

Summary

Page 3 - Instruction manual ADM; gis; Read this manual carefully; Warning; Trademarks

Instruction manual ADM 3 gis Read this manual carefully Warning 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 © 2008 A.O. Smith W...

Page 5 - Table of contents

Instruction manual ADM 5 Table of contents 1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - 7 1.1 About the appliance - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7 1.2 What to do if you smell gas - - - - - - - - - - - - - - - - - - - - - - - - - 7 1.3 Regulations - - ...

Page 7 - Introduction; About the appliance; Regulations

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 boiler without fan. ADM appliances are equipped with a flue gas backflow safeguard.The ADM is an appliance of type B 11BS...

Page 8 - Target groups; Maintenance

Introduction 8 Instruction manual ADM 1 gis Furthermore, the installation must comply with the manufacturer's instructions. Note Later amendments and/or additions to all regulations, requirements and guidelines published on or prior to the moment of installing, will apply to the installation. 1.4 Ta...

Page 9 - Chapter

Instruction manual ADM 9 gis 1.7 Overview of this document The table provides an overview of the contents of this document. Contents of this document Chapter Target groups Description Working principle of the appliance This chapter describes how the appliance functions. Installation This chapter des...

Page 13 - Flue gas backflow safeguard; Protection

Instruction manual ADM 13 gis 2.4.2 Water temperature protection By means of the frost, high-limit and safety thermostats, the burner control monitors three temperatures that are important for safety. The table explains the working principle of the thermostats with sensors. Temperature protection 2....

Page 14 - Unvented installation

Working principle of the appliance 14 Instruction manual ADM 2 gis 2.5.2 Unvented installation With an unvented installation, an expansion valve valve and expansion vessel prevent the buildup of excessive pressure in the tank. This prevents damage being caused to the enamelled coating (in the applia...

Page 15 - is; Installation; Ambient conditions; Caution; Air humidity and ambient temperature

Instruction manual ADM 15 is 3 Installation Warning Installation work should be carried out by an approved installation engineer in compliance with the general and local regulations imposed by the gas, water and power supply companies and the fire service.The appliance may only be installed in a roo...

Page 16 - Maximum floor load; Working clearances

Installation 16 Instruction manual ADM 3 is 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 composition The appliance is intended for heating drinking wa...

Page 18 - Dimensions of the appliance

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-0135 R2

Page 19 - Description

Instruction manual ADM 19 is Dimensions (all measurements in mm unless otherwise indicated) 3.4.2 General and electrical specifications General and electrical specifications Dimension Description ADM40 ADM50 ADM60 ADM80 ADM90 ADM115 ADM135 A Total height 1900 2100 1900 2100 2000 2085 2085 B Height o...

Page 20 - Description II

Installation 20 Instruction manual ADM 3 is 3.4.3 Gas data Gas data Description II 2H3+ Unit ADM40 ADM50 ADM60 ADM80 ADM90 ADM115 ADM135 Gas category 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 or 3 ...

Page 22 - Cold water side; Note; Drain valve

Installation 22 Instruction manual ADM 3 is 3.6 Water connections, Vented Warning The installation should be carried out by an authorised installation engineer, in compliance with general and local regulations (1.3 "Regulations") . 3.6.1 Cold water side See (A) in the installation diagram (3...

Page 23 - Circulation pipe

Instruction manual ADM 23 is 3.6.5 Circulation pipe See (C) in the installation diagram (3.5 "Installation diagram") . If an immediate flow of hot water is required at draw-off points, a circulation pump can be installed. This improves comfort and reduces water wastage.1. Fit a circulation p...

Page 24 - Gas connection

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 required at draw-off points, a circulation pump can be installed. This improves comfort and reduces water wastage.1. Fit ...

Page 25 - Chimney flue

Instruction manual ADM 25 is 3.9 Chimney flue Warning The installation should be carried out by an authorised installation engineer, in compliance with general and local regulations (1.3 "Regulations") . 3.9.1 Introduction The separately-supplied draught diverter must be used when connecting...

Page 26 - Flue gas thermostat assembly; connection

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 the draught diverter, followed by: - a corrosion-resistant vertical chimney pipe (8) of at least 0.5 metres in length, - the remaining flue components. Note Use flue...

Page 27 - Preparations; no potential difference

Instruction manual ADM 27 is 3.10.1 Preparations Caution The appliance is phase-sensitive. It is absolutely essential to connect the mains live (L) to the live of the appliance, and the mains neutral (N) to the neutral of the appliance. Caution There must also be no potential difference between neut...

Page 28 - Connecting the mains power

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 connections of the electrical components. Terminal block 3.10.2 Connecting the mains power The applia...

Page 31 - Adjusting the pressure

Instruction manual ADM 31 is 10. Use 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 pressure gauge to read the burner pressure at ...

Page 38 - Conversion from natural gas to LP gas

Conversion to a different gas category 38 Instruction manual ADM 4 is 1. Carry out (4.1 "Conversion to different category ADM 40 through 115") steps 1 through 10 . 2. Detach the high-low control (9).3. Fit the burner pressure regulator (1) including the sealing gasket from the conversion kit...

Page 41 - Filling

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 circulation pump (opt...

Page 43 - Draining

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 circulation pump (op...

Page 44 - position 0

Draining 44 Instruction manual ADM 6 gis 6.1 Draining unvented installations Some service activities require the appliance to be drained. 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 heater from the powe...

Page 47 - Explanation of icons; Control thermostat; Name

Instruction manual ADM 47 gis 7 The control panel 7.1 Introduction Topics covered in this chapter, in sequence:• Control panel • Explanation of icons • ON/OFF switch • Control thermostat • Burner control reset button • Flue gas thermostat reset button 7.2 Control panel This figure shows the control ...

Page 48 - Burner control reset button; Flue gas thermostat reset button

The control panel 48 Instruction manual ADM 7 gis 7.6 Burner control reset button An error can cause the burner control to lock out. When this happens, the red LED on the control panel will illuminate. After eliminating the cause of the error, you can reset the appliance using the reset button. Note...

Page 49 - Operating modes; Error conditions

Instruction manual ADM 49 gis 8 Status of the appliance 8.1 Introduction Topics covered in this chapter:• Operating modes ; • Error conditions ; 8.2 Operating modes When running, the appliance has three basic operating modes, namely:• ELECTRICALLY ISOLATED In this mode, the appliance is off and no c...

Page 51 - Starting and running; Starting the appliance; position I; The appliance's heating cycle

Instruction manual ADM 51 gis 9 Starting and running 9.1 Introduction Topics covered in this chapter:• Starting the appliance ; • The appliance's heating cycle . 9.2 Starting the appliance Start the appliance as follows:1. Fill the appliance (5 "Filling") . 2. Open (3.5 "Installation dia...

Page 53 - Shutting down; Shutting down the appliance for a brief; Shutting the appliance down for a long

Instruction manual ADM 53 gis 10 Shutting down 10.1 Introduction Topics covered in this chapter:• Shutting down the appliance for a brief period (OFF mode) ; • Isolating the appliance from the mains ; • Shutting the appliance down for a long period . 10.2 Shutting down the appliance for a brief peri...

Page 55 - Troubleshooting; Error conditions; Lockout error from the flue gas thermostat

Instruction manual ADM 55 gis 11 Troubleshooting 11.1 Introduction This chapter deals with the following problems with the appliance:• Gas smell. • Water leakage. • Explosive ignition. • Poor flame profile. • No hot water. • Insufficient hot water. 11.2 Error conditions If the water heater goes into...

Page 56 - Troubleshooting table for general errors

is Instruction manual ADM 56 11.3 Troubleshooting table for general errors Warning Maintenance may only be performed by a qualified service and maintenance engineer. General faults and failures Symptom Cause Precautions Comment Gas smell Gas leak Warning Close the main gas valve immediately. Warning...

Page 57 - ADM Troubleshooting table - no hot water

is Instruction manual ADM 57 11.4 ADM Troubleshooting table - no hot water Warning Maintenance may only be performed by a qualified service and maintenance engineer. 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. ...

Page 61 - Preparation for

Instruction manual ADM 61 s 12 Performing maintenance 12.1 Introduction Caution Maintenance may only by carried out by an approved service and maintenance engineer. At each service, the appliance undergoes maintenance on both the water side and the gas side. The maintenance must be carried out in th...

Page 62 - maintenance; Checking the anodes; Descaling and cleaning the tank

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 Timely replacement of the anodes extends the servic...

Page 64 - Checking the flue baffles

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 baffles . 12.4.2 Clean the burner(s) 1. Detach the burner(s)2. Remove all contamination present on...

Page 65 - General warranty

Instruction manual ADM 65 gis 13 Warranty (certificate) To register your warranty, you should complete and return the enclosed warranty card after which a warranty certificate will be sent to you. This certificate gives the owner of a appliance supplied by A.O. Smith Water Products Company B.V. of V...

Page 66 - warranty

Warranty (certificate) 66 Instruction manual ADM 13 gis i. The appliance is at all times fitted with cathodic protection. If sacrificial anodes are used for this, these must be replaced and renewed when, and as soon as, they are 60% or more consumed. When electric anodes are used, it is important to...

Page 67 - Appendices

Instruction manual ADM 67 is 14 Appendices 14.1 Introduction This section gives the electrical diagrams for:• Electrical diagram for ADM 40 to 135 natural gas and 40 to 115 LPG • Electrical diagram 135 - LP gas

Page 68 - Electrical Diagrams; D E

Appendices 68 Instruction manual ADM 14 is 14.2 Electrical Diagrams ADM 14.2.1 Electrical diagram for ADM 40 to 135 natural gas and 40 to 115 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 2 3 1 4 2 1 2 1 4 4 4 3 3 3 4 3 4 4 11 H ...

Page 69 - TERMINAL STRIP CONNECTIONS:

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 Two-pole isolator switch B Flue gas thermostat C "Error" signalling D "Operational" sign...

Page 73 - Index

Instruction manual ADM 73 Index A ambient temperature 15 B burner pressure 28 C claims 66connect circulation piping 23, 24cold water side 22, 23electrical 26, 28gas 24hot water side 23shut pipe 22, 23 connecting circulation pipe 23, 24connecting cold water side 22, 23connecting hot water side 23cont...