AIC Nesta Plus 700 Manuals

Manuals and User Guides for AIC Nesta Plus 700. We have 1 AIC Nesta Plus 700 manual available for free PDF download: Installation And Maintenance Manual

AIC Nesta Plus 700 Installation And Maintenance Manual (112 pages)

Brand: AIC | Category: Boiler | Size: 15 MB

Table of Contents
2
NESTA PLUS 280 & 420 Components
3
Boiler Naming
3
G Eneral I Nformation
4
Liabilities of the Manufacturer, the Installer and the End User
4
About this Manual
5
Appliance Marking & Conversion Sticker
6
Nesta Plus 280-350-420-570-700-840
6
Nesta Plus 280 - 350 - 420
6
Symbol Description
7
Package Contents
7
If You Smell Gas
8
Nesta Plus 570 - 700 - 840
9
General Description
9
Optional Equipment
9
P Roduct D Escription
10
Control Panel and Main Functions
16
Symbols and Messages on the Control Panel
16
T Echnical S Pecifications
18
Dimensions and Clearances
18
Dimensions and Weights
18
Efficiency Data
20
Erp Data
20
Combustion Data
21
Electrical Data
21
Gas Data
22
Gas Categories
22
Hydraulic Data
24
Pressure Drop Curves
24
Flow Rate
24
Safety Instructions for the User
25
I Nstructions for the U Ser
25
Periodic Checks
26
Starting the Appliance
27
Stopping the Appliance
27
What to Do if
27
Basic Settings
28
Structure of Menus for the End User
31
Safety Instructions for the Installation
33
P Roduct I Nstallation
33
Handling the Product
34
Unpacking the Product
34
Transporting the Product
34
Installing and Preparing the Boiler
36
Removing and Installing the Access Panels
36
Access Panels
39
Requirements for the Hydraulic Connections
40
Water Quality Requirements to Prevent Scaling and Corrosion in a Heating System
41
Water Hardness
41
Typical Hydraulic Connections - Heating Circuit
43
Typical Heating System - with Temperature and Pressure Limiters for >300 Kw Models
43
Hydraulic Connections - Cascaded Boilers, with External Domestic Hot Water Tank and Plate Heat Exchanger
44
Cascaded Boilers, with External Domestic Hot Water Tank and Plate Heat Exchanger
44
Hydraulic Connections - Cascaded Boilers, with External Domestic Hot Water Tank and Low Loss Header
45
Water Tank and Low Loss Header
45
Safety Instructions for the Gas Connection
46
Gas Conversion
47
Product Installation
48
Preparing the Boiler for Gas Conversion
48
Adjustment of Fan Speeds
48
Combustion Adjustment for Gas Conversion
49
Combustion Adjustment - Control Panel
50
Combustion Adjustment on Gas Valve
51
Safety Instructions for the Chimney Connections
52
Chimney Connection
54
Engineering the Chimney System
57
Accessories
57
Safety Instructions for the Electrical Connections
57
Accessing the High Voltage Terminal Strip
58
Accessing the High Voltage Terminal
58
Accessing the Low Voltage Terminal Strip and Electronic Board
59
Routing the Cables
59
Accessing the Low Voltage Terminals and Electronic Board
59
Routing the Electrical Cables
59
Wiring Diagram - NESTA PLUS 280 - 350 - 420 - 570 - 700
60
Wiring Diagram - NESTA PLUS 840
62
Safety Instructions before Start-Up
64
Filling the System
64
Filling the System - Typical
64
Inlet and Outlet Valves - Cooling Circuit
65
Starting-Up and Pump Setting
66
Combustion Adjustments
66
M Aintenance
68
Safety Instructions for Maintenance
68
Maintenance Tasks and Requirements
69
Shutting down for Maintenance
70
Draining the Boiler and the Cooling Circuit
70
Draining the Boiler - Typical
71
Draining the Boiler and Cooling Circuit
71
Removing and Installing the Ignition and Ionization Electrodes
72
Removing and Installing the Electrodes
72
Installation Procedure
72
Replacing the Gas Valve Filter
73
Checking the Flue Gas (FPS) and Air (APS) Pressure Switches Operation
74
Pressure Switch
74
Removing, Cleaning and Installing the Condensate Trap
76
Removing, Checking, Cleaning and Installing the Burner
78
Removing and Installing the Burner
79
Tasks in Preparation to Fan and Air-Gas Mixer Removal and Subsequent to Reinstallation
80
Air-Gas Mixer and Fan - Tasks Prior to Removal/Following Installation
81
Removing and Installing the Air-Gas Mixer, the Air Duct and the Fan
82
Air Duct and Fan
82
Nesta Plus 350 - Tasks in Preparation to Fan and Venturi Removal and Subsequent to Reinstallation
84
Nesta Plus 350 - Removing and Installing the Venturi and Fan
86
Venturi and Fan
86
Checking and Cleaning the Combustion Chamber
88
Restarting after Maintenance
88
Cleaning the Combustion Chamber
88
Optional Modules
89
A Dditional I Nformation for the I Nstaller
89
Extension Module and Cable Hub
89
Web Server Module
89
Boilers in a Cascade System
90
Boiler Settings for the Installer
92
Access Levels
92
Structure of Menus for the Installer
92
Commissioning Menu
92
Menus and Settings
92
Default Setting
94
Diagnostics Consumers
96
Error Codes and Solutions
97
Fault Description
98
Performing Reset
102
Troubleshooting
103
Maintenance Messages
104
Installation Checklist
105
Low Loss Header
106
Combustion Parameters - Log Sheet
108
Water Parameters - Log Sheet
109
Gas Conversion - Log Sheet
110
D Eclaration of C Onformity
111

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