Cuenod C120 GX507/8 - User Manual

Questions and Answers

M
Melanie ThomasAug 2, 2025
Why does my Cuenod Indoor Fireplace burner stop and nothing happens?
- M
  Ms. Kelly BrownAug 2, 2025
  If your Cuenod Indoor Fireplace burner stops and nothing happens, it could be due to several reasons: insufficient gas pressure (adjust distribution pressure), a misadjusted or faulty gas pressure switch (check or replace it), a foreign body in the pressure take-off pipe (clean the pipes without pressurized fluid), or misadjusted/faulty thermostats (adjust or replace them).
R
Robert GreenAug 10, 2025
What to do if my Cuenod Indoor Fireplace unit shows [ [ [ + \ \ [ [ [ [ + \?
- S
  shannonpaulAug 10, 2025
  If your Cuenod Indoor Fireplace unit displays '[ [ [ + \ \ [ [ [ [ + \', it could be due to the air pressure switch. The contact may not close (check the pressure take-off for any foreign bodies and the wiring) or the contact opens during start-up or operation (adjust or change the pressure switch).
M
Melinda MccoyAug 15, 2025
Why Cuenod C120 GX507/8 Indoor Fireplace burner doesn't start after thermostatic closure?
- J
  Joshua ElliottAug 15, 2025
  If your Cuenod Indoor Fireplace burner doesn't start after thermostatic closure and the unit doesn't signal any fault, it may be due to a low or missing power supply (check the source of low or missing voltage) or a faulty unit (change the unit).
S
susan02Aug 20, 2025
What does it mean if my Cuenod C120 GX507/8 Indoor Fireplace unit shows [ [ + \ \ \?
- J
  Jennifer LeblancAug 20, 2025
  If your Cuenod Indoor Fireplace unit displays '[ [ + \ \ \', it could be due to a spurious light during the surveillance phase (change the valve) or, in the event of a cell burner, a faulty cell (change the cell).
G
gregory56Aug 23, 2025
What does it mean when my Cuenod C120 GX507/8 Indoor Fireplace unit displays \ \ + [ [ [?
- O
  ogarrisonAug 23, 2025
  If your Cuenod Indoor Fireplace unit displays '\ \ + [ [ [', it indicates that the air pressure switch contact is welded. You should change or adjust the pressure switch.
M
Mallory JohnsonAug 28, 2025
What to do if Cuenod C120 GX507/8 Indoor Fireplace burner starts briefly then stops and shows [ [ 9 \ \ \ - \ \ \ \?
- D
  diazkarenAug 28, 2025
  If the burner of your Cuenod Indoor Fireplace starts briefly when powered up, then stops and shows the signal '[ [ 9 \ \ \ - \ \ \ \', it means the unit has been purposely shut down. Reset the unit.
M
Michael ScottNov 5, 2025
What to do if Cuenod C120 GX507/8 unit is on [ + \ \ \ \?
- V
  Vickie PhillipsNov 5, 2025
  If your Cuenod Indoor Fireplace unit is showing '[ + \ \ \ \' and not working, it might be due to several reasons: * No flame signal at the end of safety time or an unsuitable gas flow rate: Adjust the gas flow rate. * Faulty flame monitoring circuit: Check the state and position of the ionization probe in relation to mass. * No ignition arc: Check the state and connections of the ionization circuit (cable and measuring bridge). * Ignition electrode(s) short-circuiting: Adjust, clean, or replace the electrodes. * Damaged or faulty ignition cables: Connect or replace the cables. * Faulty ignition transformer: Replace the ignition transformer. * Control unit issue: Replace the transformer or change the control unit. * Electromagnetic valves not opening: Check the wiring betw...

Summary

Operating Instructions

Gas Burners

Manual for CUENOD C120, C160, C210 GX507/8 gas burners.

General Information

Guarantee and Safety

Details on installation, start-up, and general safety regulations.

Main Statutory Instruments

Overview of relevant French and international regulations for installations.

Overview

General introduction to the burner system and its components.

Overview

Burner Characteristics

Technical specifications and features of IME and AGP gas burners.

Packaging

Information on how the burner is delivered and its packaging.

Burner Body Components

Identification of key components of the burner body assembly.

Installation

Assembly

Step-by-step guide for assembling the burner and its main parts.

Gas and Electrical Connections

Gas Connection

Instructions for connecting the gas supply to the burner.

Electrical Connection

Guidelines for proper electrical hook-up of the burner system.

Gas Train

Procedure for connecting the gas train components.

Gas Pressure Take-off Connection

Details on connecting pressure take-off points for gas.

Leakage Controller VPS 504 S02 Assembly

Instructions for assembling the leakage controller for specific burner models.

Start-up

Preliminary Check-up and Leakage Test

Essential checks before burner operation and gas train leak testing.

Setting Air Pressure Switch

Procedure for adjusting the air pressure switch settings.

Checking and Setting Combustion Components

Secondary Air

Explanation of secondary air and its adjustment for optimal combustion.

Setting Secondary Air

Procedure for setting the secondary air dimension (Y).

Settings

Diffusers and Injectors

Instructions for setting diffusers and injectors for natural gas and propane.

Description and Settings

Combustion Air

Details on servomotor, cam functions, and air settings.

Settings

Guide to setting combustion air parameters using cams.

Description and Settings

MBVEF Gas Valve

Description of the MBVEF valve, its functions, and preset values.

Setting Gas Pressure Switch

Procedure for setting the gas pressure switch on the MBVEF valve.

Setting Regulator

Instructions for setting the regulator (screws V and N) on the MBVEF valve.

Description and Settings

VGD Gas Valve SKP75 Regulator

Details on the VGD valve and SKP75 regulator, including preset values.

Setting Gas Pressure Switch

Procedure for setting the gas pressure switch on the VGD valve.

Description and Settings

Gas Valve Leakage Controller

Working principle, installation, and testing of the VPS 504 S02 leakage controller.

Control and Safety Unit Characteristics

Unit SG 513 Operation Diagram

Explanation of the SG 513 unit's operation diagram and fault codes.

Display

Choosing the Language

Guide to selecting the display language.

Time Out

Explanation of the timeout function for the display.

Ongoing Supply

Information about continuous power supply and screen saver.

Additional Information

Notes on special symbols and counters for the display.

Display

Default Configuration

Accessing and modifying default configuration settings.

Service Time

Viewing and managing service time data.

Time Parameters

Displaying and analyzing various time-related parameters.

Configuration Parameters

Displaying configuration parameters such as voltage and fuel type.

Functions

Control Panel TC

Overview of the control panel TC, its components and functions.

TC Switch Functions

Detailed description of the functions of various switches on the control panel.

Display Unit (A4)

Instructions for correctly orienting and installing the display unit.

Start-up

Working Cycle Test

Procedure for performing the initial operational sequence test of the burner.

Firing

Procedure for initial firing of the burner after all checks are completed.

Setting and Checking Safety Units

How to set and verify the functionality of safety devices.

Maintenance

Checking Combustion Components

Procedure for inspecting and cleaning combustion system parts.

Cleaning Air Circuit

Instructions for cleaning the fan and air box for optimal airflow.

Checking Gas Filter

Guidance on inspecting and replacing the gas filter element.

Troubleshooting

Burner Stops

Common causes and corrective actions when the burner stops unexpectedly.

Nothing Happens

Troubleshooting steps for when the burner shows no activity.

Burner Does Not Start After Thermostatic Closure

Resolving problems when the burner fails to start after a shutdown.

Cuenod C120 GX507/8 Specifications

General

Brand	Cuenod
Model	C120 GX507/8
Category	Indoor Fireplace
Language	English

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Cuenod C120 GX507/8 - User Manual

Table of Contents

Questions and Answers

Summary

Operating Instructions

Gas Burners

General Information

Guarantee and Safety

Main Statutory Instruments

Overview

Overview

Burner Characteristics

Packaging

Burner Body Components

Installation

Assembly

Gas and Electrical Connections

Gas Connection

Electrical Connection

Gas Train

Gas Pressure Take-off Connection

Leakage Controller VPS 504 S02 Assembly

Start-up

Preliminary Check-up and Leakage Test

Setting Air Pressure Switch

Checking and Setting Combustion Components

Secondary Air

Setting Secondary Air

Settings

Diffusers and Injectors

Description and Settings

Combustion Air

Settings

Description and Settings

MBVEF Gas Valve

Setting Gas Pressure Switch

Setting Regulator

Description and Settings

VGD Gas Valve SKP75 Regulator

Setting Gas Pressure Switch

Description and Settings

Gas Valve Leakage Controller

Control and Safety Unit Characteristics

Unit SG 513 Operation Diagram

Display

Choosing the Language

Time Out

Ongoing Supply

Additional Information

Display

Default Configuration

Service Time

Time Parameters

Configuration Parameters

Functions

Control Panel TC

TC Switch Functions

Display Unit (A4)

Start-up

Working Cycle Test

Firing

Setting and Checking Safety Units

Maintenance

Checking Combustion Components

Cleaning Air Circuit

Checking Gas Filter

Troubleshooting

Burner Stops

Nothing Happens

Burner Does Not Start After Thermostatic Closure

Cuenod C120 GX507/8 Specifications

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