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1.5  FROZEN CONDENSATE DRAIN

This appliance is fitted with a siphonic condensate trap 

system that reduces the risk of the appliance condensate 

from freezing.  However should the condensate pipe to this 

appliance freeze, please follow these instructions:

a.  If you do not feel competent to carry out the defrosting 

instructions below please call your local Gas Safe 

Registered installer for assistance.

b.  If you do feel competent to carry out the following 

instructions please do so with care when handling hot 

utensils.  DO NOT attempt to thaw pipework above ground 

level.

If this appliance develops a blockage in its condensate pipe, its 

condensate will build up to a point where it will make a gurgling 

noise prior to locking out displaying “Ignition Lockout” on the 

display.  If the appliance is restarted it will make a gurgling 

noise prior to it locking out displaying “Ignition Lockout” on the 

display.

To unblock a frozen condensate pipe;

1.  Follow the routing of the plastic pipe from its exit point on 

the appliance, through its route to its termination point.

  Locate the frozen blockage.  It is likely that the pipe is 

frozen at the most exposed point external to the building 

or where there is some obstruction to flow.  This could be 

at the open end of the pipe, at a bend or elbow, or where 

there is a dip in the pipe in which condensate can collect.  

The location of the blockage should be identified as closely 

as possible before taking further action.

2.  Apply a hot water bottle, microwaveable heat pack or a 

warm damp cloth to the frozen blockage area.  Several 

applications may have to be made before it fully defrosts.

  Warm water can also be poured onto the pipe from a 

watering can or similar.  DO NOT use boiling water.

3.  Caution when using warm water as this may freeze and 

cause other localised hazards.

4.  Once the blockage is removed and the condensate can 

flow freely, restart the appliance. (Refer to “To Start the 

boiler”)

5.  If the appliance fails to ignite, call your Gas Safe Registered 

engineer.

Preventative Solutions

During cold weather, set the central heating temperature knob 

(B) to “

MAX

”, (Remember to return to original setting once cold 

spell is over).
Place the heating on continuous and turn the room thermostat 

down to 15ºC overnight or when unoccupied. (Return to normal 

after cold spell).

1.6  GENERAL INFORMATION

BOILER PUMP

The boiler pump will operate briefly as a self-check once every 

24 hours, regardless of system demand.

MINIMUM CLEARANCES

Clearance of 165 mm above, 100 mm below, 2.5 mm at the 

sides and 450 mm at the front of the boiler casing must be 

allowed for servicing.

BOTTOM CLEARANCE

Bottom clearance after installation can be reduced to 5 mm.
This must be obtained with an easily removable panel, to 

enable the system pressure gauge to be visible and to provide 

the 100 mm clearance required for servicing.

SERVICE REQUEST FUNCTION

When the boiler has been installed for more than 1 year the 

following message will appear on screen:

Press “Restart” to clear this message. 

ESCAPE OF GAS

Should a gas leak or fault be suspected contact the 

National Gas Emergency Service without delay.                                      

Telephone 0800 111 999

.

Ensure that;

-  All naked flames are extinguished.

-  Do not operate electrical switches.

-  Open all windows and doors.

CLEANING

For normal cleaning simply dust with a dry cloth.  To remove 

stubborn marks and stains, wipe with a damp cloth and finish off 

with a dry cloth.  

DO NOT use abrasive cleaning materials.

MAINTENANCE

The frequency of servicing will depend upon the installation 

condition and usage but should be carried out at least annually 

by a Gas Safe Registered Engineer.

 

Restart

Menu

Mode

Service Due

[

Telephone Number

]

SCAN

for video

7

User Guide

 

USER

Summary of Contents for LOGIC MAX COMBI 2 C24

Page 1: ...equire 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 websit...

Page 2: ...s 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...

Page 3: ...bove Regulations It is essential that the instructions in this booklet are strictly followed for safe and economical operation of the boiler Electricity Supply This appliance must be earthed Supply 23...

Page 4: ...reheat On Summer Conditions Domestic Hot Water only required Press the Mode button until Ready or On is shown under the Tap symbol and Off is shown under the Radiator symbol OR Set the central heating...

Page 5: ...perature Turn the knob clockwise to increase room temperature and anti clockwise to decrease room temperature Once the desired setting has been achieved leave the knob in this position and the system...

Page 6: ...n gradually turn the filling loop handle green B to the horizontal position 6 Wait for the pressure gauge to reach 1 to 1 5 bar 7 Once pressure is reached turn valves B back to the closed position 8 D...

Page 7: ...ng warm water as this may freeze and cause other localised hazards 4 Once the blockage is removed and the condensate can flow freely restart the appliance Refer to To Start the boiler 5 If the applian...

Page 8: ...in an ON position and the room thermostat is turned up NO HOT WATER OR CENTRAL HEATING Check the mains power is turned on and that the tap and radiator symbols are either blue or orange See boiler Di...

Page 9: ...0 C Set by Room Stat Ready Winter Mode Pre heat Demand Switch Off at 60 C Preheat Menu Mode Ready On Radiator Target 60 C Room Thermostat or Timer Off Preheat Active Summer Mode No Heat Demand Target...

Page 10: ...staller Restart Menu Return Thermistor Fault Contact Installer Menu Fan Fault Contact Installer Menu PCB Fault Contact electricity provider Menu Low Mains Voltage 1 With boiler off system cold fill sy...

Page 11: ...Thermistor Fault Contact electricity provider Restart Menu Gas Valve Fault 1 Check if condensate pipe blocked frozen 2 Check if flue blocked 3 If fault persists contact installer Restart Menu Blocked...

Page 12: ...eal Technical Helpline 01482 498663 Ideal Consumer Helpline 01482 498660 Ideal Parts 01482 498665 idealheating com Ideal Boilers Ltd pursues a policy of continuing improvement in the design and perfor...

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