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Modbus Address - This is the address of a specific Armor
X2 water heater. This address is set by dip switches on the
Modbus communication board. The value displayed here
should be the same as the value of the dip switches. The
Building Automation System should use this address to
communicate with the water heater.
Boiler Enable - This displays the enable status that has been
transmitted to the water heater by the Building Automation
System.
Boiler State - This displays the state code of the water heater.
Please reference the Armor X2 Modbus Instruction Manual
for a full definition of each code.
Boiler Command - This displays the value written to register
40003 of the Modbus communication board by the Building
Automation System. The value is displayed as the percent of
firing rate, 80 = 80% firing rate.
Effective Setpoint - This displays the value written to register
40003 of the Modbus communication board by the Building
Automation System. The value is displayed as the effective
setpoint in degrees (°F or °C).
Note: The water heater can be configured to operate off the
water heater command or the effective setpoint. The water
heater configuration determines which value is meaningful.
Time - The time is displayed in the upper right-hand corner of
the display. It is displayed in a 24 hour format. Reference the
night setback parameters on page 21 for information regarding
adjusting the date and time.
Status button - Pressing this button displays the Status Screen.
this screen shows the current status of the Armor X2 water
heater. Reference page 12 for more information regarding this
screen.
Main button - Pressing this button displays the Main Screen.
From this screen, navigation to eight (8) other screens is
possible. Reference the Main Screen on page 16 for more
information regarding this screen.
The Building Screen displays information that is specific to the Building Automation System and is being transmitted through
the Modbus communication link:
Service Manual