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When replacing any part on this appliance, use only spare parts that you can be assured conform to the safety and performance
specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised by Ideal Heating.
For the very latest copy of literature for specification and maintenance practices visit our website idealheating.com
where you can download the relevant information in PDF format.
User Guide
October 2022
UIN 228298 A04
USER GUIDE
LOGIC HEAT
H12 H15 H18 H24 H30
2
3
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Summary of Contents for Ideal Heating LOGIC HEAT2 H12
- Page 1 When replacing any part on this appliance, use only spare parts that you can be assured conform to the safety and performance specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised by Ideal Heating.
- Page 2 Benchmark Commissioning Checklist. You can check your installer by calling Gas Safe Register direct on 0800 4085500. Ideal Heating is a member of the Benchmark scheme and fully supports the aims of the programme. Benchmark has been introduced to improve the standards of installation and commissioning of central heating systems in the UK and to encourage the regular servicing of all central heating systems to ensure safety and efficiency.
- Page 3 INTRODUCTION IMPORTANT NOTES • This appliance must not be operated without the casing correctly fitted and forming an adequate seal. The Logic Heat H is a heat only boiler, featuring full sequence automatic spark ignition and fan assisted combustion. It is •...
- Page 4 OPERATION MODES If no system frost protection is provided and frost is likely during a short absence from home it is recommended to leave Winter/Summer Conditions – (Domestic Hot Water required, the system heating controls or built in programmer (if fitted) Central Heating may be required) switched on and run at a reduced temperature setting.
- Page 5 TROUBLESHOOTING GENERAL INFORMATION BOILER PUMP NO HOT WATER The boiler pump will operate briefly as a self-check once every 24 hours, regardless of system demand. Check the mains power is MINIMUM CLEARANCES switched on and that ON is shown at the bottom of the Clearance of 165mm above, 100mm below, 2.5mm at the sides screen (if not press the Mode and 450mm at the front of the boiler casing must be allowed for...
- Page 6 NORMAL OPERATION DISPLAY CODES The user control has one display to inform the user about the status of the boiler. The display shows the status of the flame. If no flame is detected then flame symbol will not be visible. When the flame is detected the flame symbol will be visible permanently.
- Page 7 FAULT CODES DESCRIPTION ACTION DISPLAY CODE ON BOILER Low Water Pressure Check system water pressure is between 1 & 1.5bar on the system pressure gauge. To F 01 re-pressurise the system see Section 3. If the boiler still fails to operate then please contact Ideal (if under warranty) or alternatively a Gas Safe Registered Engineer if outside of the warranty period.
- Page 8 At Ideal Heating we take our environmental impact seriously, therefore when installing any Ideal Heating product please make sure to dispose of any previous appliance in an environmentally conscious manner. Households can contact their local authority to find out how.
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Questions and answers
I can only get the system to turn on if Ihave the heating and hot water on it will not turn on with hot water only
The Ideal Heating LOGIC HEAT2 H12 is a heat-only boiler, meaning it requires a separate hot water cylinder to provide hot water. It does not operate independently to heat water without the central heating system. If the system is not turning on for hot water only, it may be due to the absence or malfunction of the required external hot water cylinder and controls.
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how do you top up pressure
To top up the pressure on an Ideal Heating HEAT2 H12:
1. Fill and vent the system until the pressure gauge registers 1.5 bar.
2. Examine the system for leaks.
3. Check the operation of the Pressure Relief Valve (PRV) by manually raising the water pressure until the valve lifts (within ±0.3 bar of the preset lift pressure).
4. Release water from the system until the initial system design pressure is reached.
5. Refill and vent the system again if necessary.
6. Adjust the initial pressure to the required value.
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