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IDEAL HE35 - User Manual

IDEAL HE35
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users guide
ideal esprit
Your Ideal users guide
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 Boilers.
HE24, HE30, HE35
For installation guide see reverse of book

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Preview: Installation And Servicing
Installation And Servicing72 pages

Questions and Answers

  • S
    Sue RuizAug 4, 2025
    What to do if my IDEAL HE35 Boiler is not working and shows 'LLLLL ::::: FFFFF'?
    • B
      Brittany CarsonAug 4, 2025
      If your IDEAL Boiler displays ‘LLLLL ::::: FFFFF ’ (flashing) and attempts to fire three times without success, try these steps: First, press the reset button (C) for 2 seconds to try the ignition sequence again. Then, check your gas supply by testing another gas appliance. If there's no gas, it's not a boiler issue, so contact your gas supplier. Finally, ensure the condensate pipe isn't blocked or frozen. Clear any blockages, and if you can't, contact your installer.
  • S
    susan84Aug 8, 2025
    Why is my IDEAL HE35 not working and showing 'LLLLL:::::EEEEE'?
    • A
      Amanda VaughanAug 8, 2025
      If your IDEAL Boiler displays ‘LLLLL:::::EEEEE ’ (flashing) and isn't working, check the pressure gauge on the boiler. It should show at least 1 bar. If it's lower, repressurize the system to 1 bar using the filling loop. If you're unsure how to do this, contact your installer. After repressurizing, turn off the tap on the filling loop, then switch the boiler off and back on again to reset it. If the pressure continues to drop after filling, contact your installer.
  • T
    Tina BurnsAug 13, 2025
    Why won't my IDEAL HE35 Boiler fire for central heating?
    • A
      amarquezAug 13, 2025
      If your IDEAL Boiler won't fire for central heating, first check that the programmer (either on the boiler or external) is set to an ‘ON’ period. If it is already set to ‘ON’, set the programmer to continuous. If the boiler then fires, contact your installer to fix the programmer. Also, check the room thermostat by turning it up fully. If ‘0’ is not displayed on the user controls, contact your installer.
  • B
    Barbara ReynoldsAug 16, 2025
    Why does my IDEAL HE35 Boiler turn on for hot water when no tap is open?
    • P
      pattersonvanessaAug 16, 2025
      If your IDEAL Boiler turns on for domestic hot water when no tap is open, check for dripping or dribbling taps or showers and ensure they are fully off. Also, check for leaks from the domestic hot water pipework, and if you find any, contact your installer.
  • P
    paulgarciaAug 21, 2025
    How to check if my IDEAL HE35 Boiler has power?
    • F
      Frank WestAug 21, 2025
      To check if your IDEAL Boiler has power, ensure the switch (A) is in the ON position and ‘0 ’ is displayed on the controls. If ‘0 ’ is not displayed, it is not a boiler fault, so contact your installer or service company.
  • R
    Ricardo MillerAug 26, 2025
    What does it mean when my IDEAL HE35 displays 'LLLLL:::::AAAAA'?
    • W
      wpriceAug 26, 2025
      If your IDEAL Boiler displays ‘LLLLL:::::AAAAA ’ (flashing) and isn't working, press the reset button (C) for 2 seconds to attempt a re-light. If this fault happens again, it means the boiler is overheating. Turn the boiler off and contact your installer.
  • L
    Lisa SotoAug 30, 2025
    Why does my IDEAL HE35 fire for 2 minutes and show 't'?
    • S
      Sonia MirandaAug 30, 2025
      When your IDEAL Boiler fires occasionally for about 2 minutes and the display shows ‘t’, it is normal. This happens when the pre-heat switch is on. The boiler periodically pre-heats the plate heat exchanger to make hot water available to taps or showers faster.

Summary

Introduction

Safety

Current Gas Safety Regulations

Details legal requirements for boiler installation and use by certified professionals.

Electricity Supply

Specifies electrical requirements, including earthing and fusing for the appliance.

Important Notes

Lists critical operational and safety precautions for users to follow.

Minimum Clearances

To Light the Boiler

Operation

Winter Conditions

Explains boiler operation for heating and hot water during colder months.

Summer Conditions

Control of Water Temperature

Domestic Hot Water

Explains how to adjust and control domestic hot water temperature.

Central Heating

Details how to adjust and control central heating radiator temperatures.

To Shut Down the Boiler

Frost Protection

Boiler Overheat Thermostat

Flame Failure

Loss of System Water Pressure

Condensate Drain

Escape of Gas

Cleaning

Maintenance

Points for the Boiler User

Troubleshooting

IDEAL HE35 Specifications

General IconGeneral
Boiler TypeCombi
ERP RatingA
Output35 kW
MountingWall
FuelGas

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