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NOVADENS 24
COSMOGAS NOVADENS 24 User Manual
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REGARDING SAFETY
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THE
APPLIANCE
62403425 - R00 07-12-2007_GB-IE
MODELES:
NOV
ADENS 24
- 24B
NOV
ADENS 24C
- 24P
NOV
ADENS 34
- 34B
NOV
ADENS 34C
- 34P
2
Table of Contents
Default Chapter
2
Table of Contents
2
1 General Safety Warnings
4
National Installation Legislation
4
2 General Information
5
Introduction
5
Description of Models
5
Manufacturer
5
Key to Symbols Used
5
3 Main Components
6
4 Functions of the Appliance
8
Intended Use and Functions of the Appliance
10
Characteristic Curves of Heating System's Residual Head
11
Characteristic Curve of the Domestic Side
11
5 Installation
12
Opening the Packaging
12
Dimensions and Clearances for Installation
12
Choosing the Point of Installation
12
Supply and Return
13
Radiant Panel Systems (or Low Temperature Systems)
13
Domestic Hot and Cold Water
13
Gas Supply
13
Assembling the Appliance
14
Gas and Water Connections
14
Condensation Discharge
15
Safety Relief Valve
15
Hydraulic Connections for Boiler with BWR Storage Tank
16
Softener (on Request)
16
Electrical Connections: Overview
17
Connecting the Power Supply Cable
17
Choosing the Room Thermostat/Time-Programmable Thermostat
18
Connecting the Room Thermostat/Time-Programmable Thermostat
18
Installing the Outside Temperature Sensor (on Request)
18
CR04 Remote Time Control (Optional)
19
Installation of the CR04 Remote Time Control on the Boiler
19
Connecting the Boiler to the B70C Type Water Heater (Optional)
20
Prevention against Legionnaires Disease
20
Connecting the Boiler to the BWR C Type Storage Tank
21
Prevention against Legionnaires Disease
21
Venting Systems
22
Split 80/80PP" System (Polypropylene)
23
Split 80/80PP" System: Available Accessories
24
Split 80/80PP" System: Installation Examples
25
Coaxial 60/100PP" System (Polypropylene)
26
Coaxial 60/100 PP" System: Available Accessories
27
Coaxial 60/100PP" System: Installation Examples
28
6 Operating
29
User Instructions
29
Filling of the Condensation Discharge Trap
29
Filling the Heating System
29
Filling of the Secondary Heat Exchanger of the Domestic Hot Water
29
General Warnings Concerning Gas Supply
29
Gas Type Indicated for the Boiler
30
Converting the Boiler from One Gas Type to Another
30
Start-Up
30
Auto-Purging
30
Checking and Adjusting the Gas Supply Pressure
30
Checking the Comburant Air Pressure
31
Checking and Adjusting CO2 Levels
32
Adjusting the Heating Capacity
33
Domestic Hot Water Flow Rate Adjustment
33
7 Use
34
Adjusting the Domestic Hot Water
34
Adjusting the Heating System
34
Thermostatic Adjustment
34
Climatic Adjustment
34
Climatic Adjustment: on Which Systems
34
Climatic Adjustment: Precautions When Making Adjustments
35
Climatic Adjustment: Setting of the Parameters
35
Climatic Adjustment: Adjustments of the Various Climatic Zones
35
Climatic Adjustment: Switching on and off the Heating Service
35
Climatic Adjustment with Room Compensation
35
Boiler Settings (SWITCHES)
37
Timings of the Various Functions
37
Pumps and Switch Valve Blockage Protection
37
Anti-Freeze Protection
37
(Empty)
37
Energy Saving
37
Users' Menu
38
Installers' Menu
39
Diagnostics
41
Diagnostics: "L" Lock-Outs
42
8 Maintenance
45
General Warnings
45
Disassembling the Casing and Accessing Internal Components
45
Cleaning of the Condensation Collecting Trap
46
Cleaning the Burner and Primary Heat Exchanger (Flue Gas Side)
47
Correct Positioning of the Ignition and Ionization Electrodes
47
Secondary Heat Exchanger for the Production of D.h.w
47
Replacement of the Pump Motor
48
Checking the Expansion Tank
48
Dismantling the 3-Way Valve
49
Draining the Heating Side of the Appliance
50
Draining the Domestic Side of the Appliance
50
Forcing
50
Auto-Purging
50
Fan
50
Minimum and Maximum Output
50
Checking the Ionization Current
50
Water Temperature Gauging Sensor
51
Outside Temperature Sensor
51
Functional Wiring Diagram
52
Multiwire Wiring Diagram
53
9 Technical Features
54
10 Ec Compliance Declaration
55
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User Manual
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COSMOGAS NOVADENS 24 Specifications
General
NOx Class
5
Power Output
24 kW
Max Operating Temperature
80 °C
Type
Condensing
Gas Type
Natural Gas
Efficiency
Up to 98%
Fuel Type
Gas
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