COSMOGAS NOVADENS 24 - User Manual

INSTRUCTION MANUAL FOR INSTALLATION AND MAINTENANCE OF GAS BOILERS
PLEASE READ THE MANUAL CAREFULLY: IT CONTAINS IMPORTANT INFORMATION REGARDING SAFETY, INSTALLATION, USE AND MAINTENANCE OF THE APPLIANCE
62403425 - R00 07-12-2007_GB-IE
MODELES:
NOVADENS 24 - 24B
NOVADENS 24C - 24P
NOVADENS 34 - 34B
NOVADENS 34C - 34P

Summary

1 - GENERAL SAFETY WARNINGS

1.1 - National installation legislation

Installation must comply with relevant regulations and standards.

3 - MAIN COMPONENTS

4 - FUNCTIONS OF THE APPLIANCE

4.1 - Intended use and functions of the appliance

Describes the appliance's purpose and its different operational modes.

5 - INSTALLATION

5.2 - Dimensions and clearances for installation

Provides minimum clearance distances for boiler installation.

5.3 - Choosing the point of installation

Guidelines for selecting a suitable installation location and factors to consider.

5.4 - Supply and return

5.6 - Domestic hot and cold water

5.7 - Gas supply

Guidelines for connecting the gas supply, including safety checks.

5.8 - Assembling the appliance

Step-by-step instructions for assembling the boiler on the wall.

5.9 - Gas and water connections

5.10 - Condensation discharge

Instructions for connecting the condensation discharge pipe, including safety.

5.11 - Safety relief valve

Information on the safety relief valve and its discharge connection.

5.12 - Hydraulic connections for boiler with BWR storage tank

5.14 - Electrical connections: overview

General overview of electrical connections and safety requirements.

5.14.1 - Connecting the power supply cable

Step-by-step guide to connecting the main power supply cable.

5.14.2 - Choosing the room thermostat;time-programmable thermostat

5.14.3 - Connecting the room thermostat;time-programmable thermostat

Instructions for connecting the room thermostat cable.

5.14.4 - Installing the outside temperature sensor (on request)

5.14.5 - CR04 remote time control (optional)

Details on installing and using the CR04 remote time control.

5.14.6 - Installation of the CR04 remote time control on the boiler

Specific instructions for installing the CR04 control on the boiler.

5.15 - Connecting the boiler to the B70 C type water heater (optional)

Electrical and hydraulic connection to a B70C storage tank.

5.15.1 - Prevention against Legionnaires disease

5.16 - Connecting the boiler to the BWR C type storage tank

5.17 - Venting systems

Overview of approved venting systems and regulations.

5.17.1 - Split 80;80 PP system (polypropylene)

5.17.4 - Coaxial 60;100 PP system (polypropylene)

6 - OPERATING

6.1 - Operating instructions

6.1.2 - Filling of the condensation discharge trap

6.1.3 - Filling the heating system

6.1.4 - Filling of the secondary heat exchanger of the domestic hot water

6.2 - General warnings concerning gas supply

Safety warnings related to gas supply and smell detection.

6.4 - Converting the boiler from one gas type to another

6.5 - Start-up

Steps for initial boiler start-up and checks.

6.6 - Checking and adjusting the gas supply pressure

How to check and adjust gas supply pressure.

6.7 - Checking the comburant air pressure

Procedure to check and verify comburant air pressure.

6.8 - Checking and adjusting CO2 levels

Procedure for checking and adjusting CO2 levels for combustion analysis.

6.9 - Adjusting the heating capacity

6.10 - Domestic hot water flow rate adjustment

7 - USE

7.1 - Adjusting the domestic hot water

7.2 - Adjusting the heating system

7.4 - Climatic adjustment: on which systems?

7.4.2 - Climatic adjustment: precautions when making adjustments

7.4.3 - Climatic adjustment: setting of the parameters

7.4.6 - Climatic adjustment with room compensation

7.5 - Boiler settings (SWITCHES)

7.8 - Anti-freeze protection

7.11 - “Users menu”

7.12 - “Installers menu”

Information on accessing and using the installer menu for adjustments.

7.13 - Diagnostics

Overview of appliance status indications on the display.

7.13.1 - Diagnostics: “L” lock-outs

Troubleshooting guide for 'L' lock-out error codes.

7.13.2 - Diagnostics: “E” errors

Troubleshooting guide for 'E' error codes.

8 - MAINTENANCE

8.1 - General warnings

General safety precautions for maintenance operations.

8.2 - Disassembling the casing and accessing internal components

8.3 - Cleaning of the condensation collecting trap

8.4 - Cleaning the burner and primary heat exchanger (flue gas side)

8.5 - Correct positioning of the ignition and ionization electrodes

8.7 - Replacement of the pump motor

8.8 - Checking the expansion tank

8.9 - Dismantling the 3-way valve

8.10 - Draining the heating side of the appliance

8.11 - Draining the domestic side of the appliance

8.15 - Minimum and maximum output

8.16 - Checking the ionization current

8.19 - Functional wiring diagram

Diagram showing functional wiring of the appliance.

8.20 - Multiwire wiring diagram

Diagram illustrating the multiwire wiring connections.

COSMOGAS NOVADENS 24 Specifications