Water Heater User Manual
1 Service (continued)
Service Mode Screen:
The Service Mode Screen allows the individual control 
modules to override all other heat demands and operate at 
a full fire condition for the purpose of combustion analysis.  
Selection of the control module to be placed into Service 
Mode is accomplished by pressing the SELECT button. The 
control module being placed into Service Mode is shown in 
the module box.
To place the unit into Service Mode, press the ON/OFF button 
until ON is displayed. The control module will override all 
other heat demands, however, all safeties will be active. If no 
buttons are pressed, the control module will automatically 
revert back to its original state after the Max Service Time 
delay has expired. The default setting for the Max Service 
Time is 20 minutes. To take the control module out of Service 
Mode, press the ON/OFF button until OFF is displayed.
Items that can be viewed and interacted with on the Service 
Mode Screen are as follows:
  •  Blower Power Level Indicator - A blower is depicted on 
    the display with a power level indicator beside it. The 
  level will increase and decrease indicating the 
    approximate power level of the blower. The display box 
    underneath the indicator level will display the firing rate 
    of the control module.
  •  RPM’s - The blower motor rpm that the control module 
    is requiring of the blower.
  •  Plus and Minus Buttons - By pressing the plus or minus 
    button the rpm of the blower motor can be increased or 
 decreased.
  •  Flame Signal - The flame signal for the control module 
    will be displayed in dc microamps.
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.
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  Service Manual










