6
420012001500 - 03182024 - Rev. 04
Part 10 - Start-Up Preparation 92
A. Check / Control Water Chemistry 92
B. Check for Gas Leaks 92
C. Freeze Protection (When Used) 92
D. System Water Fill, Purge, and Test 93
E. Purge Air from DHW System 93
F. Check Thermostat Circuit(s) 93
G. Condensate Removal 93
Part 11 - Start-Up 95
A. First Ignition 95
B. Combustion Checking Procedure 96
C. Converting the Appliance from Natural Gas
to Propane Operation 99
Part 12 - Installation Checklist 100
Part 13 - Troubleshooting 102
A. Boiler Protection Devices 102
1. Blocking Error 102
2. Lockout Error 102
3. Malfunction Warning 102
B. Boiler Error Codes 103
Part 14 - Maintenance 116
A. Procedures 116
B. Maintenance That May be Performed by the User 116
C. Maintenance Only to be Performed by a
Qualified Service Technician 116
D. Replacing Components 121
E. After Maintenance is Complete 124
Part 15 - Maintenance Report 126
Part 16 - Shutdown 127
A. Shutdown Procedure 127
B. Failure to Operate 127
C. Important 127
Part 17 - Maintenance Notes 128
Customer Installation Record Form 131
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