Ariston CLAS NET One

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MAINTENANCE GUIDE

Unscrew the four screws to remove the heat exchanger

Main Page

Index2
Overview3
Advice for the Installer4
CE Labelling4
Symbols Used on the Data Plate4
Safety Regulation5
Key to Symbols5
Product Description7
Control Panel7
Display8
Overall View9
Overall Dimensions10
Minimum Clearances10
Installation11
Reference Standards11
Codes of Practice11
Flue11
Electrical Supply12
Showers12
System Controls12
Location12
Condensate Discharge13
Installing the Boiler14
Method of Positioning the Boiler on the Wall14
Connecting the Boiler to the System14
Safety Valve Discharge14
Gas Connection15
Water Connection15
Instructions for Removing the Housing and Inspecting the Appliance15
Graph Representing the Available Circulation Pump Pressure T 20 C16
Underfloor Heating16
Pressure Gauge16
Water Circuit Diagram17
Connecting the Flue18
Flue System18
Installation Without Extension19
Clamp20
Fitting the 5” Flue20
Fitting the Coaxial Flue21
Fitting the Twin Pipe22
Table of Flue Gas Exhaust Duct Lengths24
Electrical Connections25
Power Supply Cable25
Peripheral Unit Connection25
Peripheral Connections25
Room Thermostat/Remote Clock Connection26
Outdoor Sensor Connection26
Cylinder Connection (Clas System One)26
Fitting Instructions for27
Time Clock27
Electrical Diagram28
S Plan Wiring Diagram30
S Plan Wiring Diagram Using an Outside Sensor31
Commissioning32
Initial Preparation32
Electricity Supply32
Gas Supply32
First Ignition Operation33
Ignition Procedure34
First Ignition34
Description of Function34
Combustion Checking Procedure35
Preparing the Measuring Equipment35
Adjusting the CO2 at Maximum Gas Flow Rate (Domestic Hot Water)35
Adjusting the Gas Valve at Maximum Gas Flow35
Ending the Adjustment36
Maximum Heating Power Adjustment36
Heating Ignition Delay Adjustment36
Table Summarising Changes36
Converting the Appliance from Natural Gas to LPG37
Auto Function37
Boiler Protection Devices38
Shutdown38
Malfunction Warning38
Table Summarising Error Codes38
Anti-Frost Device39
Settings-Adjustment-Problem Identification Menus40
Service Code41
Maintenance46
Maintenance47
General Comments47
Operational Test47
Draining Procedures47
Maintenance Guide48
General Access48
Disconnect the Boiler48
Electrical Unit49
Fuse49
Main P.C.B.50
Display P.C.B.50
Time Clock51
Hydraulic Unit52
Right Hand Hydraulic Block Assembly52
Way Valve Unit52
Draining53
Automatic Air Vent53
Primary Water Pressure Sensor53
Pump54
C.H. Filter55
D.H.W. Flow Switch Assembly55
Left Hand Hydraulic Block Assembly56
Secondary Heat Exchanger56
Condensate Trap57
Safety Valve57
By-Pass Assembly58
Temperature Sensors58
Manual Air Vent59
Main Heat Exchanger59
Burner Unit62
Electrode (Detection and Ignition)63
Burner63
Fan64
Fan & Mixer Venturi According to the Model65
Gas Valve65
Annual Maintenance66
Primary Heat Exchanger67
Technical Data68
Technical Data CLAS SYSTEM ONE69
Erp Data-EU 813/201370
Product Fiche-EU 811/201370
Product Fiche-Cube S Net- Wifi Thermostat (Clas Net One)71
Package Fiche72
Instructions for Filling the Label for Packages of Space Heater (or Combination Heater), Temperature Control and Solar Device72
Packages of Combination Heater, Temperature Control and Solar Device73
Benchmark Commissioning Checklist77
Service Record78

Ariston CLAS NET One - Page 61

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