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2. FOR THE INSTALLER

If possible, use a trolley or fork-lift truck to transport the

heater. The heater must be vertical at all times during

transportation. The installer must ensure that the required

combustion air intake is not located in areas where

chemical substances are stored and/or used. Some

propellants, bleaches, degreasing substances and the

like, give off vapours which cause accelerated corrosion.

If the heater is used in areas where such substances are

present, the guarantee is null and void.

2.1

Installation procedure

This water heater must be fitted in a location which will

permit the provision of an approved flue system and

adequate ventilation. The water heater must stand on a

level surface resistant to heat and with sufficient strength

to support the weight of the unit when full of water. This

water heater must not be installed in a bath room,

bedroom or in a cupboard opening on to such rooms.

This water heater must not be installed in any area where

flamable materials are used or stored. Insufficient

ventilation may give rise to a risk of fire, explosion or

suffocation. If in doubt consult the national and local

regulations governing the installation of gas appliances

or your local British gas service department.

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 1944.

- BS 5440

part 1 1990;

- BS 5440

part 2 1989.

Installation should be carried out in accordance with

all local authority and building regulations, local water

authority and fire regulations and the following British

standards: British Gas Publication UP1 and UP2.

- BS 5482

part 1 1979;

- BS 5482

part 2 1979;

- BS 5482

part 3 1979;

- BS 6644;

- BS 6700;

- BS 6798.

Some chemicals produce vapours which can cause

rapid failure of thermocouples, burners and storage

tanks if they are drawn

into the combustion air supply. Therefore if this water

heater will be used to supply hot water to:

- Hairdressers;

- Dry cleaners;

- Industrial degreasing processes;

- Any other area where compounds containing

halogens are used and stored. Care should be

taken that all primary and ;

- secondary air is drawn from outside atmosphere

free of such contaminents.

For further advise contact A.O.Smith.

2.1.2 Water connections

A.O. Smith water heaters are suitable for connection to

vented, unvented and pumped pressurised systems. In

each case appropriate valves and fittings should be used

to ensure the system complies with the requirements of

the water by laws, and appropriate building regulations.

When fitting it is essential the rules of ‘good practice’ are

applied at all stages of installation.

Содержание COF 199

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 26: ...26 0311962 R0...

Страница 27: ......

Страница 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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