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IMPORTANT NOTE

THESE INSTRUCTIONS MUST BE READ

AND UNDERSTOOD BEFORE INSTALLING,

COMMISSIONING, OPERATING OR

SERVICING EQUIPMENT

DORCHESTER

DR35L to DR90L-CE

HOT WATER

STORAGE HEATERS

Installation, Commissioning

and Maintenance Instructions

Содержание DORCHESTER DR35L

Страница 1: ...E INSTRUCTIONS MUST BE READ AND UNDERSTOOD BEFORE INSTALLING COMMISSIONING OPERATING OR SERVICING EQUIPMENT DORCHESTER DR35L to DR90L CE HOT WATER STORAGE HEATERS Installation Commissioning and Mainte...

Страница 2: ...ating safely and efficiently Maintenance Agreements 01202 662555 Regular routine servicing of equipment by Hamworthy service engineers inspects the safety and integrity of the plant reducing the risk...

Страница 3: ...LY GASES ONLY PLEASE ENSURE RELEVANT INFORMATION REQUIRED WITHIN DOCUMENT IS FOUND RELATING TO SPECIFIC GAS TO BE FIRED BEFORE FIRING HEATER THIS HEATER HAS BEEN TESTED TO COMPLY WITH THE GAS APPLIANC...

Страница 4: ...3 Gas Supply Pipes 5 4 Boosted Supplies 6 0 FLUE SYSTEM 3 6 1 Flue Construction 6 2 Waste Gas Volume 7 0 AIR FOR COMBUSTION AND VENTILATION 3 8 0 WATER PIPEWORK INSTALLATION 4 8 1 Installation Layout...

Страница 5: ...ctrical Connections Storage Tank 15 8 Storage Tank Thermostat 15 9 Loading Pump 15 10 Operation 15 11 Servicing FIGURES PAGE Figure No 1 Sectional View DR35L 90L Water Heater 10 Figure No 2 Dimensione...

Страница 6: ...to water The draught diverter must be fitted to the heater in an unmodified condition and provides a horizontal flue outlet connection which is adjustable through 360 in the horizontal plane The diver...

Страница 7: ...eater must be installed on a level concrete floor or plinth which is sufficient to support its weight when filled with water reference Table 1 Any combustible material adjacent to the heater and flue...

Страница 8: ...ipes The local gas region must be consulted at the installa tion planning stage in order to establish the availability of an adequate supply of gas An existing service pipe must not be used without pr...

Страница 9: ...ON 8 1 For details of a typical installation scheme of a DRL water heater refer to Fig 3 For details of a typical installation scheme of multi DRL water heater refer to Fig 3A 8 2 Water Connections Co...

Страница 10: ...oiler house reference Table 3 c The system is vented fully charged with water and ready to receive heat d The gas supply pipework is clear of any loose matter tested for soundness and purged e Gas sup...

Страница 11: ...rt If no spark is visible check for damage to the Piezo electric generator the Piezo cable possible fracture and the spark electrode possible crack in ceramic and replace as necessary 6 adjusting temp...

Страница 12: ...ure that the heater has been fully drained remove the four screws retaining the exterior blue casing panel of the inspection door Remove the panel and the insulation disc to expose the inspection door...

Страница 13: ...er from the heater to the storage tank and additional thermo stats see Figs 4 and 7 NOTE The installation of the storage tank must be made in accordance with the relevant British Stan dard Codes of Pr...

Страница 14: ...an earth connection back to the heater terminal rail 15 8 Storage Tank Thermostat The thermostat in the Storage Tank ref Fig 4 designated the Loading Pump Thermostat B3N must be wired so that the Norm...

Страница 15: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 10...

Страница 16: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 11...

Страница 17: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 12...

Страница 18: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 13...

Страница 19: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 14...

Страница 20: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 15...

Страница 21: ...nodes do not require replacement Plugged bosses are available in all DRL water heaters for fitment of the titanium elec trodes and the heaters junction box is designed for a relatively simple conversi...

Страница 22: ...socket for key 5 Fit electrical powered anode s 40 with seals 6 After removal of the thermostat knob remove the cover of the control box and the second cover ref figure 2 on page 4 7 Remove terminal...

Страница 23: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 18...

Страница 24: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 19...

Страница 25: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 20...

Страница 26: ...accordance with the relevant requirements of the Gas Safety Regulations Building Regulations IEE Regulations and the Byelaws of the Local Water Undertaking It should also be in accordance with the re...

Страница 27: ...for DR35L CE 50L CE automatic 533904013 Dungs multifunctional gas control valve MB DLE 407 BO1 modified with regulator blocking kit for LPG for DR70L CE 90L CE automatic 532902019 205 Injector DR 35L...

Страница 28: ...4 85 14 85 GAS RATE BUTANE m3 h 1 30 1 87 2 62 3 35 mbar 28 28 28 28 In wg 11 25 11 25 11 25 11 25 INJECTOR DIAMETER PROPANE BUTANE mm 2 05 2 00 2 05 2 05 INJECTOR MARKING 205 200 205 205 No OF BAR BU...

Страница 29: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 24...

Страница 30: ...to suit Hamworthy s range of water stor age heaters reference was made to water distribution authorities to seek information on water pressures available in the United Kingdom They advised that 2 to...

Страница 31: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 26...

Страница 32: ...500 kPa 562403076 562403076 1 x 40 litre expansion vessel 532712070 532712070 Pressure Temperature relief valve nabic fig 500T Set to 600 kPa Size HEL Part No 1 BSP 531905001 1 BSP 531905002 Reducing...

Страница 33: ...2B controller is incorpo rated into the ignition system see Fig 1 5 The gas inlet connection dimension from the centre line of the heater is altered see Fig 1 CONTROL SYSTEM Control Thermostat The co...

Страница 34: ...e power supply lead to the com pact gas control valve as follows Unscrew the retaining screw securing the din plug s in place and carefully pull the plug s away from the valve or separate the plug and...

Страница 35: ...ighten screw ADDITIONAL RECOMMENDED SPARES Description Part Number Control Valve Dungs 533903013 Compact Gas Control Valve 23 mm in out Honeywell VR4601A Special 531907008 Limit Thermostat 533901191 C...

Страница 36: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 31...

Страница 37: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 32...

Страница 38: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 33...

Страница 39: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 34...

Страница 40: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 35 NOTES...

Страница 41: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 36 NOTES...

Страница 42: ...HAMWORTHY HEATING LTD Page DORCHESTER PERM PILOT 500001001 G 37 NOTES...

Страница 43: ...Notes...

Страница 44: ...y reserves the right to make changes and improvements which may necessitate alteration to the specification without prior notice Connect direct Direct Dial Telephone and Fax Numbers Direct Email Addre...

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