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Bradford White Corp.
12.4 Diagnostic tests and Input/
output Indicators
Two kinds of screens are grouped together in this
section:
• Detailed indications of the input and output
signals
• Diagnostic tests of the pumps and burner
modulation
Note that these functions apply to just one selected
controller.
How to get there –
Home Page <Select icon> Status Summary Screen
<Diagnostics button>
1. The buttons at the bottom of the screen select
the types of inputs and outputs displayed. The
Burner Control I/O button leads to Fig. 129.
fig. 129 - Burner Control I/o Screen
A green dot indicates a function that is “on.”
2. Press the Digital I/O button to look at
functions where the functions are either “on”
of “off.” See Fig. 130.
fig. 130 – Digital I/o Screen
3. The button for Analog I/O displays items that
change continuously between two limits. See
Fig. 131.
fig. 131 - analog I/o Screen
4. Press the button for Diagnostic Tests. The
Modulation test allows you to change the
rate at which the burner fires, and watch the
results. See Fig. 132.
fig. 132 – modulation test
5. Press the Pump Test button. The Pump test
shows detailed information on the activity
of the three pumps that may be used by the
system.
fig. 133 – Pump test
Summary of Contents for BNTH1000
Page 2: ...Bradford White Corp...
Page 12: ...Page 8 Bradford White Corp Fig 6 Dimensions BNT 1700...
Page 38: ...Page 34 Bradford White Corp Fig 21 Ladder Diagram...
Page 39: ...Page 35 Brute Elite Boilers and Water Heaters Fig 22 Wiring Diagram...
Page 40: ...Page 36 Bradford White Corp...
Page 52: ...Page 48 Bradford White Corp Fig 51 Connection Terminals...
Page 130: ...Page 126 Bradford White Corp Fig 141 Rear Panel BNT1000 Fig 142 Rear Panel BNT1700...
Page 131: ...Page 127 Brute Elite Boilers and Water Heaters Fig 143 Machine Frame BNT1700...
Page 132: ...Page 128 Bradford White Corp Fig 144 Front Panels and Covers BNT1000 and BNT1700...
Page 133: ...Page 129 Brute Elite Boilers and Water Heaters Fig 145 Burners and Combustion Chamber BNT1000...
Page 134: ...Page 130 Bradford White Corp Fig 146 Burners and Combustion Chamber BNT1700...
Page 136: ...Page 132 Bradford White Corp Fig 149 Burner Detail BNT1700...
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