|
3
Installation Instructions
Singular Combi Boiler - BTC 439003301 B (2021/07)
Table of Contents
1 Key to Symbols and Safety Instructions
4
1.1 Key to Symbols
4
1.2 Safety
4
2 General Information
7
2.1 Included Items
7
2.2 Optional Accessories
7
2.3 Specifi cations
8
2.4 Rating Plate
9
2.4 Dimensions
10
2.5 Components
11
3 Boiler Installation
13
3.1 Installer Qualifi cations
13
3.2 Compliance Requirements
13
3.3 Location
13
3.3.1 Access to Utilities
13
3.3.2 Humidity and Contact with Water
13
3.3.3 Drainage
13
3.3.4 Venting and Ventilation
13
3.3.5 Clearances
14
3.3.6 Clean, Debris and Chemical-Free Combustion Air
14
3.3.7 Position
14
3.4 Mounting to the Wall
15
4 System Piping
16
4.1 Installing a Space Heating System
16
4.1.1 Guidelines for a Space Heating System
16
4.1.2 Essential Elements in a Space Heating System
16
4.1.3 Space Heating Piping
17
4.2 Installing a Domestic Hot Water(DHW) System
17
4.2.1 Guidelines for a DHW System
17
4.2.2 Essential Elements in a DHW System
18
4.2.3 DHW System Piping
18
4.3 Connecting the Condensate Drain
19
4.3.1 Filling the Condensate Trap
20
4.4 System Filling
20
4.4.1 Built-In Water Filling
20
4.4.2 External Water Fill Connection
20
4.5 Test the Water System
21
4.5.1 External Water Fill Connection
21
4.6 Examples of System Applications
22
4.6.1 System Application – Zone System with Zone Valves
22
4.6.2 System Application – Single Zone System
23
4.6.3 System Application – Zone System with Circulators
24
5 Connecting the Gas Supply
25
5.1 Gas Pipe Sizing Tables
25
5.2 Gas Piping
26
5.3 Inlet Gas Pressure
27
6 Installing a Vent
29
6.1 Vent Type
29
6.1.1 Direct Venting
29
6.1.2 Non- Direct Venting
31
6.2 Vent Pipe Materials
33
6.3 Vent Length
34
6.4 Connecting the Vent Clip
34
6.5 Vent Termination
35
6.5.1 Single-Pipe Sidewall Venting
35
6.5.2 Two-Pipe Sidewall Venting
35
6.5.3 Snorkel Flue
36
6.5.4 Non-Concentric Sidewall Venting
36
6.5.5 Concentric Sidewall Venting
36
6.5.6 Two-Pipe Vertical Venting
37
6.5.7 Concentric Roof Venting
37
7 Setting the DIP Switches
38
8 Connecting the Power Supply
39
9 Installation Checklist
40
10 Operating the Boiler
42
10.1 Turning the Boiler On or Off
42
10.2 Checking the Ignition System
42
10.3 Setting the Space Heating Temperature
42
10.4 Setting the DHW (Domestic Hot Water) Temperature
43
10.5 Viewing Basic Information
43
10.5.1 H0 mode
44
10.5.2 H1 mode
44
10.5.3 H2 mode
44
10.5.4 H3 mode
44
10.5.5 H4 mode
45
10.5.6 H5 mode
45
10.5.7 H6 mode
45
10.5.8 H7 mode
45
10.5.9 H8 mode
46
10.5.10 H9 mode
46
10.5.11 HA mode
46
10.5.12 HB mode
46
10.5.13 Cd mode
47
10.6 Setting the Heat Load for The Outdoor Reset Control Mode
47
10.7 Altitude Adjustment
49
11 Gas Conversion
50
11.1 Combustion Analysis
52
12 Wiring Diagram
54
13 Ladder Diagram
55
14 Normal Operating Sequence
56
15 Outdoor Temperature Sensor
58
15.1 Outdoor Temperature Sensor Installation (Optional)
58
15.2 Outdoor Temperature Sensor Installation Guidelines
58
15.3 Outdoor Reset Control
59
16 Inspection and Maintenance
60
16.1 Draining the Boiler
60
16.2 Cleaning the Cold Water Inlet Filter
62
16.3 Cleaning the Air Intake Filter
62
16.4 Protecting the Boiler from Freezing
63
16.5 Maintenance Schedules
63
16.5.1 Owner Maintenance
63
16.5.2 Service Technician Maintenance
63
17 Troubleshooting
65
17.1 Basic Problems
65
17.2 Error Codes
66
