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240012994 Rev. B [08/31/2020]
TABLE OF CONTENTS
Verify Contents Received ...............................................2
Table Of Contents ..........................................................3
Physical Data.................................................................4
1 - Important Information .............................................6
2 - Introduction .............................................................7
2.3 Requirements For Commonwealth Of Massachusetts: .7
2.4 Use Of Carbon Monoxide Monitor ........................... 7
.................................................... 7
4 - Locating Boiler .......................................................10
4.1 Boiler Location Considerations ...............................10
4.2 Clearances .........................................................11
.....................................................12
5 - Combustion Air And Vent Piping .............................13
5.1 General ..............................................................13
Removal Of Existing Boiler From Common Vent System
..............................................................................14
..........................................................14
5.4 Approved Venting Materials
.................................15
5.5 Vent Termination .................................................15
5.6 Coaxial Venting Instructions
.................................16
5.4 Coaxial Vent Screw Placement - See Figure 5-2
...............................................18
5.9 Securing Twin Pipe Polypropylene Venting
5.10 (3" / 80 Mm Only) Flexible Vent System
.............................................24
.........................................................25
6.1 General ..............................................................25
6.3 Safety Relief Valve And Air Vent
............................26
...............................................26
.........................................................27
.....................................................27
6.6 External Optional Low Water Cut Off
6.7 Manufacturer Recommendation - Strainer
........................................31
6.9 Domestic Hot Water Mode ....................................31
........................................31
................................................31
7 - Gas Supply Piping ..................................................32
7.1 General ..............................................................32
.........................................33
.........................................................33
8 - Electrical Connections ............................................34
8.1 General ..............................................................34
8.2 Install Room Thermostat ......................................34
8.3 Electrical Connections ..........................................34
8.4 Access To Connection Block ..................................35
.......................................35
.......................................36
8.7 Optional Electrical Connections .............................36
.................................37
9 - Start Up Procedure .................................................39
9.1 Central Heating System Connections - Combi
.................................................39
9.3 Fill Condensate Trap With Water ............................39
......................................................40
.......................................41
9.6 Commissioning For The First Time:
9.7 Automatic Calibration Function ..............................41
9.8 Manual Calibration Function: .................................42
9.9 Deaeration Function.............................................42
Commission Set Up (Gas) - Changing The Type Of Gas
9.11 Chimney Sweep Function (Co2 Adjust)
9.12 Combustion Adjustment Function (Co2%) ......... 43
..............................................43
9.14 Description Of Parameters: Factory Settings
............................................44
9.16 Adjusting Maximum Heating Power
10 - Operating Instructions .........................................47
esting For Gas Leaks And Purging The Gas Supply
10.2 Boiler Operation ................................................47
.........................................47
10.4 Domestic Hot Water Mode ...................................47
.................................................47
...............................................................47
10.7 Low Water Pressure Sensor (Internal)
11 - General Maintenance And Cleaning ......................48
11.1 Beginning Of Each Heating Season
11.2 Maintenance And Routine Servicing
11.3 Component Replacement And Cleaning
............................................50
11.5 Draining The Heating Circuit
...............................50
11.6 Hydraulic Unit (Dhw) ..........................................51
11.7 Cleaning The Cold Water Filter
.............................51
..........................................51
11.9 Final Assembly ..................................................51
11.10 User Information .............................................52
....................................52
11.12 Flue Pressure Switch (150 Only) .
...........................................52
12 - Ratings And Capacities .........................................53
.........................................53
12.2 Domestic Hot Water Specifications
.........................................54
............................................54
13 - Trouble Shooting ..................................................55
13.1 Error Messages And Resetting The Boiler
13.2 Anomalies Table For The Installer ........................57
14 - Glossary ...............................................................58
Appendix A - Wiring Diagrams .....................................60
Appendix A - Wiring Diagrams .....................................61