Related Manuals for A.O. Smith BTI 65 G
Summary of Contents for A.O. Smith BTI 65 G
- Page 1 MODEL 65 G InsTALLATIOn AnD usER InsTRucTIOn unITED kInGDOM / IRELAnD HOT WATER sTORAGE HEATER...
- Page 2 The appliance may only be installed in a room if this room meets the ventilation requirements. A.O. SMITH ACCEPTS NO RESPONSIBILITY FOR WARRANTY, SERVICE AND/ OR PRODUCT LIABILITY IN CASE OF UNAUTHORISED ALTERATIONS, PRODUCT MODIFICATIONS OR REPAIR.
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Page 3: Table Of Contents
cOnTEnTs PAGE GEnERAL Description ......................4 Technical safety equipment ................6 1.2.1 Gas control valve ....................6 1.2.2 Control panel ...................... 6 1.2.3 Operation of the storage water heater ..............7 1.2.4 Combustion products discharge safety device ........... 7 Technical information ..................8 1.3.1 Dimensions ...................... -
Page 4: General Description
1. GEnERAL Description of the appliance Construction of the water heater is in accordance with the European standard for gas heated water storage heaters for sanitary application (EN89). The appliance thus meets the European Directory for Gas Appliances and is therefore entitled to carry the CE-marking. - Page 5 AOS 1120 Figur 1 - Cross section of the heater Draught diverter Cold water inlet Hot water outlet Combustion products discharge safety device Insulation Flue tube T&P valve connection Glass lined tank Outer casting Gas valve and spark ignition Flue baffle Control panel Magnesium anode Drain valve and secondary...
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Page 6: Technical Safety Equipment
Technical safety 1.2.2 control panel Temperature control for the water heater equipment is housed in the control panel (See figur 2). For safety purposes, heaters are 1.2.1 Gas control valve always fitted with two thermostats: a The water heater is equipped with a gas control thermostat is adjustable between control wich regulates the flow of gas to 40 °C and 80 °C and a safety thermostat... -
Page 7: Operation Of The Storage Water Heater
conditions. It is recommended that a 1.2.3 Operation of the storage competent person carry out the necessary water heater. remedial action. normal operation When there is a demand for heat Important a waiting period of about 1 second The combustion products discharge elapses before the built-in spark safety device should never be put out of operation. -
Page 8: Technical Information
Technical information 1.3.1 Dimensions These water heaters are only suitable for a flue tube with minimal the announced diameter (dimension G). Dimensions BTI65 1680 1510 1540 1540 1350 Cold water inlet Hot water outlet Gas control Drain valve T&P relief valve tapping Clean out All dimensions are given in mm. - Page 9 Figur 3 - Dimensions...
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Page 10: Technical Data
device category: II 1.3.2 Technical data 2H3+ Description unit BTI 65 DATA nATuREL GAs G20 - 20 mbar Nominal capacity 12.7 Nominal load (gross) 18.1 Supply pressure mbar Burner pressure mbar 12.0 Gas consumption * Diameter main orifice 3.40 Diameter pilot orifice 0.56/0.41 Heating time ∆T= 45K DATA BuTAnE G30 - 28/30 mbar... - Page 11 Electrical connection Electrical Frequency Electrically supply fused to 220/240 V AC 50 Hz Ionisation current. The minimal ionisation current is 0.9 micro-Amperes DC. Below this current the burner controller will assume no flame present. When in normal operation, the ionisation current wil be about 1.2 to 1.3 micro-Amperes DC when only the pilot flame is burning.
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Page 12: Installation Instructions
2. FOR THE InsTALLER For domestic applications: BS 5440 - part 1 and part 2. BS 5546 - Installation of gas hot Installation instructions water supplies for domestic This water heater must be fitted in a purposes. location which will permit the provision BS 6700 - Specifications for design, os an approved flue system and installation and maintenance... -
Page 13: Water Circulation System
For futher advise contact A.O. Smith. heater(s) which it supplies. The minimum actual capacity is 50 gallons or 227 litres. 2.1.2 Water circulation system A.O. - Page 14 (See figur 5) To install an A.O. Smith water heater on an unvented cold water supply system a kit of valves and fittings fisted by the water reseach centre and complying with part G3 of the current building regulations should be used.
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Page 15: Gas Connection
2.1.3 Gas connection 2.1.5 Draught diverter The gas supply to this appliance must The appliance has been fitted with a be installed in accordance with BS 6891 flue down draught safety device. The (1988) and British Gas Publications UP1 operation of the safeguard is based and UP2. -
Page 16: Commissioning
Note: If during normal use the reset commissioning button is pressed the gas valves will close and the automatic ignition 2.2.1 Filling the water heater controller will start a new sequence after 1. Close the drain tap. releasing the reset button. 2. -
Page 17: Removing And Replacing The Control Panel
Removing and setting the gas pressure replacing the control The gas pressure has been set to the panel front cover correct values at the factory. Removing the cover (see figure 7) 1. Remove the screw at the top centre of Important: The following procedure the control panel. -
Page 18: Temperature Regulation
Temperature regulation converting to another type of gas The appliance is under water supply pressure (maximum 8 bar). The amount For conversion of the appliance from of cold water that is added is equal to natural gas to another type of gas, or the amount of hot water used. -
Page 19: Maintenance
Maintenance 2.7.2 cleaning 1. Close the gas supply and demount the burner after it has cooled down To ensure safe and efficient operation of 2. Disconnect the burner assembly from the water heater it is recommended that the gas control it is cleaned and serviced at least once a 3. -
Page 20: Inlet Combination
Inlet combination Not applicable in U.K. and Ireland. Gas smell Immediately shut the main gas tap. Do not light any fire or switch o any lights, do not use any electrical switches or alarm bells. Open windows. Thoroughly inspect all gas connections and, if the gas smell persists, alert the local gas company and/or your installer. -
Page 21: Commisioning
8. Set the temperature regulator 3. FOR THE usER to the required setting (see ‘De- scalcification’). commisioning 3.1.3 Warning The appliance is under water supply Installing and commissioning of this pressure (maximum 8 bar). The amount water heater should only be carried of cold water that is added is equal to out by a qualified competent heating the amount of hot water used. -
Page 22: Fault Overview
Fault overview Fault Possible cause corrective action Gas smell If you smell gas you should immediately close the main gas tap, you should not fight any fire or switch on light. electrical switches or bels. Open windows and immediately contact your installer or the local gas company Heater is off or does Burner automat is in lock condition... -
Page 23: Warranty
A.O. SMITH Water Products Companies installation instructions; Guarantee in general f) when anode(s) have been inspected If within one year of the original... - Page 24 A.O. sMITH Water Products company With respect to the water heater in question further A.O. Smith does not guarantee this water heater as suitable for purpose except within the terms of warranty detailed above. A.O. SMITH Water Products Company...
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Page 25: Appendix 1
Connection diagram BTI models APPEnDIx 1 = brown A = Ignition controller M = Remote button = blue B = ON/OFF switch N = Terminal block = yellow/green C = Pilot burner P = Terminal block = black D = Spark electrode R = Earth terminals = white E = Flame probe... - Page 26 0305 394 R4...