User’s Guide and Important Warranty Information Combi 24 HE Please keep these instructions in a safe place. If you move house, please hand them over to the next occupier.
Contents Section Natural Gas Main Combi 24 HE G.C.No 47 474 02 Page 1.0 Quick Reference Guide 3 2.0 Troubleshooting 4 3.0 Repressurising the System 6 4.0 Fault Indication 7 5.0 Clearances & Cleaning 8 6.0 Legislation 9 7.0 Notes 10 8.0 Emergency 11 9.0 Warranty & Service 12 Where fitted, user label for optional timer to be applied here. © Baxi Heating UK Ltd 2009 All rights reserved.
1.0 Quick Reference Guide 2 Burner On Reset 1 Flame Failure 3 4 0 Power On bar ON/OFF/Reset Selector Switch Indicator Neons Reset Central Heating Temperature Control Domestic Hot Water Temperature Control Reset System Pressure Gauge Position of Optional Timer Reset OFF Position Central Heating & Hot Water Domestic Hot Water Reset The boiler will not operate. Both Heating & Hot Water will operate. Hot Water will operate. Hold for approx 5 seconds and release.
Boiler not working 2.0 Troubleshooting START Make sure the gas supply is turned ON and check if other gas appliances are operating (e.g. fire, cooker). YES Is the ( ) and the ( indicator neon on ? YES Is the ON/OFF/Reset Select Switch in the ( ) position and the Power ON Indicator lit ? ) NO Burner On Indicator NO Burner On Flame Failure If no gas, consult your supplier.
2.0 Troubleshooting Is the Timer ON and calling for heat ? 12 Is the Room Thermostat (if fitted) set high enough ? 10 15 20 25 4 8 5 3 9 2 5 6 7 Typical examples of external timer YES 1 10 11 YES CH ON CH OFF NO Turn Room Thermostat to maximum setting (typical example shown). NO 5 10 15 20 25 Ensure timer is set for Central Heating ON (see any instructions supplied with timer). CONTACT YOUR INSTALLER OR SERVICE ENGINEER.
3.0 Repressurising the System 3.1 2 1 3 1. The water pressure in the central heating system is indicated by the pressure gauge. 4 0 Central Heating System Pressure bar 2. With the system cold and the boiler not operating the pressure should be at least 0.5 bar. During operation the pressure should not exceed 2.5 bar, and will normally be between 1.0 and 2.0 (Fig. 1). Fig. 1 Normal Pressure 2 1 3. A pressure of 3 or greater indicates a fault.
4.0 Fault Indication 4.1 Fault Indication 1. Your Main Combi 24 HE has three neon indicators. The upper two function as boiler on and fault indicators. A Off Fast Flashing (2 every second) On Burner On 2. Depending on the nature of the fault the upper two neons will illuminate, go off or flash. Flame Failure Power On 3. There are five possible combinations, each indicating one or more fault conditions. These are described below.
5.0 Clearances & Cleaning 20mm/5mm Min see *NOTE: 450mm 5mm Min 5.1 For your Safety 1. This appliance must have been installed in accordance with the manufacturer’s instructions and the regulations in force. 200mm Min 2. Any modification that may interfere with the normal operation of the appliance without express written permission from the manufacturer or his agent could invalidate the appliance warranty. In GB this could also infringe the Gas Safety (Installation and Use) Regulations.
6.0 Legislation 6.1 Installation, Commissioning, Service & Repair 1. This appliance must be installed in accordance with the manufacturer’s instructions and the regulations in force. Read the instructions fully before installing or using the appliance. 2. In GB, this must be carried out by a competent person as stated in the Gas Safety (Installation & Use) Regulations. 3.
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8.0 Emergency Warning ! If you smell gas Turn off the gas supply at the meter and call your gas supplier immediately. It is possible to isolate the boiler at the isolating valve (Fig. 6). In GB, Transco operate a 24 hour emergency service and the telephone number will be listed in your telephone directory. Faulty boiler If it is known or suspected that a fault exists on the boiler, it must not be used until the fault has been corrected by a competent person.
Please complete the boxes below 9.0 Warranty & Service Serial Number Standard Warranty Term & Conditions 12 Months Free Warranty - register today To receive your 12 months free warranty please complete the form supplied with the boiler or simply call heateam, the service of Baxi Heating UK Ltd on 08706 000 653. Our promise to you If you experience a fault with your new boiler, we aim to provide a safe and high quality repair service supported by our dedicated national network of highly skilled engineers.
