Potterton Medway Super, Инструкция по установке и обслуживанию

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2. TECHNICAL SPECIFICATIONS – page 3
Finish White stoved paint with contrasting chassis
Weight Packed 21.8 kg. (48.0 lb.)
Weight without Water 18.6 kg. (41.0 lb.)
Weight with Water 19.4 kg. (42.7 lb.)
Water Capacity 0.75 litre(0.17 all.)
Input 30.3 kW (103,000 Btu/h.)
Maximum Output 23.3 kW (79,500 Btu/h.)
Row Rates 6.5 Vmin at 5000 rise
Minimum pressure head requirement at water heater * 1 bar (14.6 psi) under flow conditions
Maximum pressure head 13 bar (189 psi)
Gas group G20
Burner injector (14 off) 1.2mm marking 120
Pilot injector 0.27mm markinq A
Nominal burner pressure -** (maximum input) 12.5mbar (5 in. w.g.)
Connections - Gas 15mm
- Water 15mm Compression
Balanced flues (telescopic) Wall thickness available 100mm - 150mm (4in - 6in) - Part No 31/1 0321
150mm - 230mm (6in - 9in) - Part No 31/10322
230mm - 380mm (9in - iSin) - Part No 31/1 0323
380mm - 610mm (iSin - 24in) - Part No 31/1 0324
Flue Terminal Guard (Optional) Part No 10/10262
Notes: * Additional external pipework and fittings may affect the resistance and must be taken into account on installation
** The nominal burner pressure should be 12.5 mbar and will only be obtained if the appliance inlet pressure is correct at
20 mbar even when the appliance is running at full heat input. The meter should be capable of passing 100ft
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/h of
natural gas plus the requirements of any other gas appliances.
MINIMUM CLEARANCES
Above: 60mm
Below: 75mm
Sides: 5mm (Each)
Front: 220mm (To allow for removal of outer case)
For ease of servicing, allow as much clearance as possible below the appliance.
If the appliance is to be installed in a cupboard, the ventilation openings in the cupboard must NOT be blocked. DO NOT
USE THE CUPBOARD FOR STORAGE.
Fig 1