- DL manuals
- A.O. Smith
- Water Heater
- ADM - 115
- Installation, User And Service Manual
A.O. Smith ADM - 115 Installation, User And Service Manual
Summary of ADM - 115
Page 1
0311774 innovation has a name. Commercial atmospheric water heater adm - 40/50/60/80/90/115/135 adm installation, user and service manual 4615 - changes reser ved..
Page 2: Your Installer
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.
Page 3
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 © 2015 a.O. Smith w...
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4 instruction manual adm gis.
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 6
6 instruction manual adm 8 status of the appliance - - - - - - - - - - - - - - - - - - - - - 45 8.1 introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 45 8.2 operating modes - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 45 8.3 error conditions - - - - - - - - - ...
Page 7: Introduction
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 11b...
Page 8
Introduction 8 instruction manual adm 1 gis 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 target groups the three target groups for this manual are: • (end) users; • instal...
Page 9
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 10
Introduction 10 instruction manual adm 1 gis.
Page 11: Working Principle of
Instruction manual adm 11 gis 2 working principle of the appliance 2.1 introduction topics covered in this chapter: • general working principle of the appliance; • the appliance's heating cycle; • protection for the appliance; • safety of the installation. 2.2 general working principle of the applia...
Page 12
Working principle of the appliance 12 instruction manual adm 2 gis in this appliance, the cold water enters the bottom of the tank through the cold water inlet (14). The heat of combustion is conducted to the water by the combustion chamber (8) and heat exchanger (11). The heated tap water leaves th...
Page 13
Instruction manual adm 13 gis temperature protection 2.4.3 flue gas backflow safeguard the flue gases are discharged to the outside via the draught diverter (33) and the flue (22). To prevent the flue gases from flowing back into the boiler room, the discharge ducting is monitored by a feature calle...
Page 14
Working principle of the appliance 14 instruction manual adm 2 gis 2.5.3 vented installation with vented installation, excess pressure is taken up by the open cold water head tank. The head height of the tank determines the working pressure in the water heater, which may not exceed 8 bar. The instal...
Page 15: Installation
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 ro...
Page 16
Installation 16 instruction manual adm 3 is 3.3.1 air humidity and ambient temperature the boiler room must be frost-free, or be protected against frost. The table shows the environmental conditions that must be adhered to for correct functioning of the electronics present in the appliance to be gua...
Page 17
Instruction manual adm 17 is 3.3.4 working clearances for access to the appliance, it is recommended that the following clearances are observed (see figure): • aa: around the appliance's control column and cleaning openings: 100 cm. • bb: all sides of the appliance: 50 cm. • above the appliance (roo...
Page 18
Installation 18 instruction manual adm 3 is 3.4 technical specifications the appliance is supplied without accessories. Check the 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 ...
Page 19
Inst ruction manual ad m 19 dimensions size description unit adm 40 adm 50 adm 60 adm 80 adm 90 adm 115 adm 135 a total height mm 1900 2100 1900 2100 2000 2085 2085 b height of top of appliance mm 1760 1960 1760 1960 1795 1870 1870 d appliance diameter mm 710 710 710 710 710 710 710 e depth mm 800 8...
Page 20
20 instruction m anu al adm 3.4.2 general and electrical specifications description unit adm 40 adm 50 adm 60 adm 80 adm 90 adm 115 adm 135 capacity litres 309 357 298 335 278 253 252 maximum operating pressure bar 8 8 8 8 8 8 8 empty weight kg 195 221 209 238 244 270 329 heating-up time Δt = 45 o c...
Page 21
Inst ruction manual ad m 21 3.4.3 gas data description ii 2h3+ unit adm 40 adm 50 adm 60 adm 80 adm 90 adm 115 adm 135 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 2 2 2 2 2 2 2 ga...
Page 22
Installation 22 instruction manual adm 3 is 3.5 installation diagram 3.5.1 installation this figure shows the installation diagram. This diagram is used in the sections in which the actual connection process is described. Installation diagram legend only applicable numbers are mentioned. 1. Pressure...
Page 23
Instruction manual adm 23 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 (3.5 "installation diagram...
Page 24
Installation 24 instruction manual adm 3 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 circul...
Page 25
Instruction manual adm 25 is 3.7.4 drain valve 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 a cir...
Page 26
Installation 26 instruction manual adm 3 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 conn...
Page 27
Instruction manual adm 27 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 gas discharge...
Page 28
Installation 28 instruction manual adm 3 is 3.10 electrical connection warning the installation should be carried out by an authorised installation engineer, in compliance with general and local regulations (1.3 "regulations"). 3.10.1 preparations caution the appliance is phase-sensitive. It is abso...
Page 29
Instruction manual adm 29 is 1. In preparation, first remove the protective cover from the control column: 2. Undo the 4 screws (a). 3. Remove the protective cover (b) from the electrical part. The connector block (c) is now visible. Note please consult (14.2 "electrical diagrams adm") the appropria...
Page 30
Installation 30 instruction manual adm 3 is 3.11 checking the supply pressure and burner pressure note before starting the appliance and/or checking the supply pressure and burner pressure, you must fill (5 "filling") the appliance. Caution before starting up for the first time or after conversion, ...
Page 31
Instruction manual adm 31 is gas control for adm 135 3.11.1 preparations 1. Isolate the appliance from the power supply (10.3 "isolating the appliance from the mains"). 2. There are two test nipples on the gas control. Test nipple (6) is used to check the supply pressure. The other test nipple on th...
Page 32
Installation 32 instruction manual adm 3 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 pressu...
Page 33: Conversion to A
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 that for which the appliance has been set...
Page 34
Conversion to a different gas category 34 instruction manual adm 4 is 4.1 conversion to different category adm 40 through 115 1. Isolate the appliance from the power supply (10.3 "isolating the appliance from the mains"). 2. Shut off the gas supply. Caution the burner can be hot. 3. Unscrew the cove...
Page 35
Instruction manual adm 35 is 11. Check whether there is a burner pressure regulator (1) attached to the gas control, or simply a blank plate (5). Note if the supply pressure for a gas category is the same as the burner pressure (see the gas data table (3.4.3 "gas data")) then the gas control must be...
Page 36
Conversion to a different gas category 36 instruction manual adm 4 is 4.2 conversion to a different gas category adm 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 numbe...
Page 37
Instruction manual adm 37 is 4.2.2 conversion from lp gas to 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 pull relief 10. High-low control lead...
Page 38
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. Attac...
Page 39: Filling
Instruction manual adm 39 gis 5 filling installation diagram legend only applicable numbers are mentioned. 1. Pressure reducing valve (mandatory) 3. T&p valve 4. Stop valve (recommended) 5. Non-return valve (mandatory) 6. Circulation pump (optional) 7. Top to bottom circulation pump (optional) 9. Dr...
Page 40
Filling 40 instruction manual adm 5 gis 5.1 filling unvented installations to fill the appliance, proceed as follows: 1. Open the stop valve (11) in the hot water pipe and, if present, the stop valves (4) for the circulation pump (6). 2. Close the drain valve (9). 3. Open the nearest hot water draw-...
Page 41: Draining
Instruction manual adm 41 gis 6 draining installation diagram legend only applicable numbers are mentioned. 1. Pressure reducing valve (mandatory) 3. T&p valve 4. Stop valve (recommended) 5. Non-return valve (mandatory) 6. Circulation pump (optional) 7. Top to bottom circulation pump (optional) 9. D...
Page 42
Draining 42 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 43: The Control Panel
Instruction manual adm 43 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 the control panel comprises: ...
Page 44
The control panel 44 instruction manual adm 7 gis 7.7 flue gas thermostat reset button a malfunction in the flue gas discharge, e.G. A blockage in the chimney, can lead to the flue gas thermostat locking out. This state is evident when the push button on the flue gas thermostat has been activated (r...
Page 45: Status of The
Instruction manual adm 45 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 46
Status of the appliance 46 instruction manual adm 8 gis.
Page 47: Starting and Running
Instruction manual adm 47 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 diagram") the ma...
Page 48
Starting and running 48 instruction manual adm 9 gis.
Page 49: Shutting Down
Instruction manual adm 49 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; • disposal. 10.2 shutting down the appliance for a ...
Page 50
Shutting down 50 instruction manual adm 10 gis.
Page 51: Troubleshooting
Instruction manual adm 51 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 int...
Page 52
Is instruction manual adm 52 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 53
Is instruction manual adm 53 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 54
Is instruction manual adm 54 symptom cause precautions comment (a) three unsuccessful start attempts in a row 1. No gas: - check that the gas valve is open - check whether the gas control is opening (clicking of the gas control) - check the leads of the gas control 2. No ignition: - check whether th...
Page 55
Is instruction manual adm 55 11.5 troubleshooting table - 'insufficient hot water' warning maintenance may only be performed by a qualified service and maintenance engineer. Insufficient hot water symptom cause precautions comment insufficient hot water water temperature setting (t set ) is too low ...
Page 56
Is instruction manual adm 56.
Page 57: Performing
Instruction manual adm 57 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 58
Performing maintenance 58 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 service...
Page 59
Instruction manual adm 59 s to simplify the task of descaling and cleaning the tank, the appliance is equipped with two cleaning openings. 1. Remove the cover plate (1) on the outer jacket (see the figure). 2. Carefully remove the insulation layer (2) and set it to one side. This will be needed agai...
Page 60
Performing maintenance 60 instruction manual adm 12 s 12.4 gas-side maintenance 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...
Page 61: Warranty (Certificate)
Instruction manual adm 61 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 62
Warranty (certificate) 62 instruction manual adm 13 gis 13.4 exclusions the warranty set out in articles 1 and 2 will not apply in the event of: a. Damage to the water heater caused by an external factor; b. Misuse, neglect (including frost damage), modification, incorrect and/or unauthorised use of...
Page 63: Appendices
Instruction manual adm 63 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 64
Appendices 64 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 65
Instruction manual adm 65 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" signalling e reset b...
Page 66
Appendices 66 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 c d e n l b l 1 3 2 1 n 2 1 1 3 2 3 4 4 2 l l 4 4 5 4 a 50hz 230v ac 4 2 3 1 ho...
Page 67
Instruction manual adm 67 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" signalling e reset b...
Page 68
Appendices 68 instruction manual adm 14 is.
Page 69: Index
Instruction manual adm 69 index a ambient temperature 16 b burner pressure 30 c claims 62 connect circulation piping 24, 25 cold water side 23, 24 electrical 28, 29 gas 25 hot water side 24 shut pipe 23, 24 connecting circulation pipe 24, 25 connecting cold water side 23, 24 connecting hot water sid...
Page 70
0311 774 1.0 uk instruction manual adm.