Worcester 28i Junior Manual Timers

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• 24i / 28i G.C. NUMBERS APPLIANCE NATURAL GAS L.P.G.

I have a combi boiler and it has one of those mechanical timers on it. Being used to digital timers I'll admit I was a little flummoxed by it when we first moved into our house. I did a bit of internet searching and found this useful video, which although is made for Worcester boilers, is actually really useful for most makes of.

47 311 69 47 311 71 47 311 70 47 311 72 USER INSTRUCTIONS & CUSTOMER CARE GUIDE. • 1 year parts and labour guarantee. And it’s backed up by Worcester Care Call - a complete maintenance scheme to keep your boiler operating at peak condition and efficiency. No wonder that more and more people are agreeing that when it is gas, it has to be Worcester i Series. ELECTRICITY SUPPLY: 230V ~ 50Hz ijunior IMPORTANT: To get the best from your Worcester appliance please read these instructions carefully.

NOTE: In the event of a fault the appliance should not be used until the fault has been corrected by a competent person. • A flow restrictor is fitted within the appliance which limits the hot water delivery rate to a maximum of 8.0 (±15%) litres/minute (1.8 gallons/minute) 24 or 10 (±15%) litres/minute (2.2 gallons/minute) 28 Hot Water and Central Heating mode: When a demand is made for heating by the system controls (i.e. A programmer or room thermostat), the pump will energise, circulating primary water around the heating system and the burner will light. • GENERAL NOTES WARNING If a gas leak exists, or is suspected, turn off the gas supply to the appliance at the service cock and consult your local service engineer. Do not touch any electrical switches to turn them either on or off. Open all windows and doors.

• Flow balancing using ‘Ball-o-Fix’ type valves is recommended to avoid an excessive reduction in flow to individual outlets. Cadworx Plant Professional 2010 here. For further information contact Worcester Heat Systems Technical Helpline. HOT AND COLD FLOW. • If the appliance is not to be used for a long period of time and there is a likelihood of freezing, then the appliance should be drained. The Worcester Heat Systems Technical Helpline will advise you on suitable frost precautions. For short periods the built-in frost protection of the appliance will be adequate.