Service Manual
1 Service
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The Building Screen displays information that is specific to the Building Automation System and is being transmitted through the Modbus communication link:
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
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.
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