A.O. Smith COF 199 Installation, User And Service Manual Download Page 27 | Manualshive

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Summary of Contents for COF 199

Page 1: ...Manuel d installation Mode d emploi Manual d entretien Manual de Instalaci n Usuario y Servicio Manual de Instala o Utiliza o e Manuten o Manuale Installazione d uso e manutenzione Instrukcja Serwisu...

Page 2: ...on and or a fire and can cause material and or physical injuries An accredited installer must install the heater and commission it according to the locally valid requirements The heater may only be in...

Page 3: ...2 1 Filling the heater 19 2 2 2 Turning on the burner 19 2 3 Shutting down 19 2 4 Usage temperature control 19 2 5 Setting the nominal load 20 2 6 Conversion to another gas type 20 2 7 Maintenance 20...

Page 4: ...he heater is completely filled with water it is under continuous mains water pressure When hot water is drained from the heater cold water immediately enters the heater For effective heat transfer flu...

Page 5: ...of against etween the tank at loss h water it is e When hot water mmediately nsfer flue baffles eat from the flue ans of radiation eater is situated in itted to the heater hree thermostats t by means...

Page 6: ...00 1700 1720 1650 1650 1770 P mm 620 620 620 620 620 755 R mm 540 540 585 605 605 670 S mm 1700 1700 1700 1630 1630 1750 1 Cold water inlet Rp 1 Rp 1 Rp 1 Rp 1 Rp 1 Rp 1 2 Hot water outlet Rp 1 Rp 1 R...

Page 7: ...7 Figure 2 Dimensions IMD 0011...

Page 8: ...unted burner must be less than the diameter of the heater s combustion chamber This diameter is 510 mm for all heaters For the COF 455 and COF 700 a starting load of 120 kW at maximum according to EN...

Page 9: ...2 mg kWh GCV 76 79 81 86 90 97 PROPANE DATA G30 50 mbar Burner model BS 2 BS 2 BS 3 BS 3 BS 3 BS 3 Burner type 912 T1 912 T1 913 T1 913 T1 913 T1 913 T1 Nominal load lower value kW 60 75 90 115 135 17...

Page 10: ...7 Rp 1 ISO 7 Rp 1 ISO 7 Rp 1 ISO 7 Rp 1 Drain valve 14 NPT 14 NPT 14 NPT 14 NPT 14 NPT 14 NPT Anode 14 NPT 14 NPT 14 NPT 14 NPT 14 NPT 14 NPT T P connection 1 11 5 NPT 1 11 5 NPT 1 11 5 NPT 1 11 5 NP...

Page 11: ...Riello front mounted burners is The values above are recommended settings and have been determined under laboratory conditions The air proving switch s switching point must be set during the commissio...

Page 12: ...mended settings and have been determined under laboratory conditions The gas pressure switch s switching point must be set during the commissioning of the water heater Please make sure that the burner...

Page 13: ...to the burner s instruction manual The setting of the burner head for Riello front mounted burners is as follows Gas fired burner GAS G20 GAS G25 GAS G30 GAS G31 COF 199 2 2 2 2 2 COF 245 3 3 3 3 3 C...

Page 14: ...lve Gas fired burner Oil fired burner GAS G20 GAS G25 GAS G30 GAS G31 COF 199 1 6 1 7 1 9 1 6 2 4 COF 245 2 1 2 5 2 3 2 1 3 5 COF 315 1 9 1 8 1 5 1 5 1 7 COF 385 2 9 2 9 2 5 2 5 2 7 COF 455 3 1 3 1 3...

Page 15: ...nt 2 1 1 Installation These water heaters must be installed by a qualified competent installer in accordance with the following standards and regulations Gas safety installation and use regulations 19...

Page 16: ...capacity of greater volume than the hourly recovery rate of the water heater s which it supplies The minimum actual capacity is 50 gallons or 227 litres see figure 3 3 T P valve 4 Stop valve 5 Non ret...

Page 17: ...nt building regulations and BS 7206 should be used Installation should be carried out generally as shown on figure 4 1 Pressure limiting valve 3 T P valve 4 Stop valve 5 Non return valve 6 Circulation...

Page 18: ...etres For pipes with an inside diameter exceeding 25 mm maximum dead leg 3 0 metres Depending on the length and insulation of the water piping and the water demand frequency it may be necessary to ins...

Page 19: ...f the high limit thermostat is activated the heater is not locked and the control thermostat will take over the temperature 2 1 3 Gas connection The gas supply to this appliance must be installed in a...

Page 20: ...and safety valves the glow igniter and anodes must also be checked 2 8 Anode The life of the anode is determined by the quality and quantity of the water flowing through the heater Therefore we recomm...

Page 21: ...he access covers Descaling must be carried out with a suitable substance Consult the supplier or installer 2 10 Condensation When the heater is filled with cold water or the hot water consumption is v...

Page 22: ...nite the burner and keep it burning until the control ceases to supply voltage signals High water temperatures cause more calcium precipitation in the water heater Moreover the stand by losses of the...

Page 23: ...ctions connections screw thread Leakage from another water appliance Trace the cause or pipes in neighbourhood Please consult the front mounted burner s installation manual in the event of faults in t...

Page 24: ...ty with A O Smith Water Products Companies installation instructions f When anodes have been inspected and renewed if they are worn or erroded by 50 or more at any point of their length 5 4 Exclusions...

Page 25: ...be fitted bet ween B4 and earth to prevent EMI The same applies to the installation of a fault alarm SB in this case a 100 nF capacitor must be fitted between S3 and earth if the cable length exceeds...

Page 26: ...26 0311962 R0...

Page 27: ......

Page 28: ...osmith nl France A O Smith L Eau Chaude SARL 14 All e Charles Path 1800 Bourges 01 3975 5140 ou 008008 AOSMITH 2676484 info aosmith nl www aosmith fr United Kingdom A O Smith Water Heaters Unit B8 Arm...

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