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User’s

THE BENCHMARK SERVICE INTERVAL RECORD MUST BE COMPLETED AFTER EACH SERVICE

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.

All Gas Safe Register installers carry a Gas Safe Register ID card, and have a registration number.  Both should be recorded in the

Benchmark Commissioning Checklist.  You can check your installer by calling Gas Safe Register direct on 0800 4085500.

1. INTRODUCTION

The 

Logic Max System S IE 

is a system boiler, featuring full 

sequence automatic spark ignition and fan assisted combustion.  
It is designed to provide central heating and hot water when a 
separate hot water cylinder is installed.

Due to the high efficiency of the boiler, condensate is produced from 

the flue gases and this is drained to a suitable disposal point through 

a plastic waste pipe at the base of the boiler.  A condensate ‘plume’ 

will also be visible at the flue terminal.

SAFETY

Current Gas Safety (Installation & Use) Regulations or 

rules in force.

In your own interest, and that of safety, it is the law that this 
boiler must be installed by a Gas Safe Registered Engineer, in 
accordance with the above regulations.

In IE, the installation must be carried out by a Registered Gas Installer 
(RGII) and installed in accordance with the current edition of I.S. 813 
“Domestic Gas Installations”, the current Building Regulations and 
reference should be made to the current ETCI rules for electrical 
installation.

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: 230 V ~ 50 Hz. The fusing should be 3A.

IMPORTANT NOTES

• 

This appliance must not be operated without the casing 

correctly fitted and forming an adequate seal.

• 

If the boiler is installed in a compartment then the compartment 
MUST NOT be used for storage purposes.

• 

If it is known or suspected that a fault exists on the boiler then 
it MUST NOT BE USED until the fault has been corrected by 
a Gas Safe Registered Engineer or in IE a Registered Gas 
Installer (RGII).

 

Under NO circumstances should any of the sealed components 
on this appliance be used incorrectly or tampered with.

• 

T

his appliance can be used by children 8 years and 

above.

  

A

lso persons with reduced physical, sensory or 

mental capabilities, or lack of experience and knowledge, 
provided they have been given supervision or instruction 
concerning use of the appliance in a safe way and 

understand the hazards involved.  Children shall not play 

with the appliance.

  

C

leaning and user maintenance 

shall not be made by children without supervision.

CONTENTS

 

1.  Introduction

 

 .............................................................. 2

     Safety ......................................................................... 2

     Electricity Supply ........................................................ 2

     Important Notes .......................................................... 2

2.  Boiler Operation ....................................................... 3

     Controls Diagram........................................................ 3

     To Start the Boiler ....................................................... 3

     Control of Water Temperature .................................... 3

     Efficient Heating System Operation

............................ 3

     Weather Compensation .............................................. 3

     Boiler Frost Protection ................................................ 3

     Boiler Restart .............................................................. 3

     Mains Power Off ......................................................... 3

3.  Condensate Drain

 ..................................................... 4

4.  Loss of System Water Pressure .............................. 4

5.  General Information ................................................. 4

     Boiler Pump ................................................................ 4

    

     Minimum Clearances .................................................. 4

     Escape of Gas ............................................................ 4

     Cleaning ..................................................................... 4

     Maintenance ............................................................... 4

6.  Points for the Boiler User

 ........................................ 5

     Troubleshooting .......................................................... 5

7.  Normal Operation Display Codes

 ...........................

6

8.  Fault Codes

 ...............................................................

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Summary of Contents for LOGIC SYSTEM S18IE

Page 1: ...e 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 ide...

Page 2: ...erence should be made to the current ETCI rules for electrical installation It is essential that the instructions in this booklet are strictly followed for safe and economical operation of the boiler...

Page 3: ...our boiler efficiently using less gas turn the central heating temperature knob A to the position or lower In winter periods it may be necessary to turn the knob towards the MAX position to meet heati...

Page 4: ...l your Gas Safe Registered engineer Preventative solutions During cold weather set the central heating temperature knob A to maximum Must return to original setting once cold spell is over Place the h...

Page 5: ...grammer are as you require and adjust if necessary Check the programmer external to the boiler is in an ON position and the hot water cylinder thermostat is turned up NO See boiler Operation Modes and...

Page 6: ...central heating but the appliance has reached the desired temperature set on the boiler The boiler is operating in central heating hot water mode The boiler is operating in frost protection 7 NORMAL...

Page 7: ...s Safe Registered Engineer if outside of the warranty period In IE contact a Registered Gas Installer RGII 1 Check condensate Pipe for blockages refer to Section 3 2 Check other gas appliances in the...

Page 8: ......

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