Issue 2 14/07/16
69
Servicing
6
6.18.4 To display flame sense current of the pilot
flame sensor
The pilot flame sense current is available only when the burners
are in operation.
1. Make sure the status displays ‘Heating’ or draw enough hot
water to start the burners.
2. Enter the ‘Service Mode’ described previously.
3. Press the ‘Select’ button until a number value is displayed
with ‘Flame Current’ to the right of the number. The value
displayed is in microamps (μA). (Fig. 59)
6.18.5 To display and change temperature setpoint
1. In ‘Service Mode’ press the ‘Select’ button until ‘Setpoint’ is
shown in the water heater display (Fig. 60).
2. Press the ‘Set’ button to enter the setting mode. ‘Setpoint’
will flash in the water heater display (Fig. 61).
3. To raise the temperature setpoint, press the ‘Temperature
Up’ button until the desired temperature is shown on the
water heater display (Fig. 62).
Flame
Current
Heating
µA
Fig. 59
°F
idle
setpoint
Fig. 60
°F
idle
setpoint
Fig. 61
‘Setpoint’ flashes
°F
idle
setpoint
Fig. 62
‘Setpoint’ flashes
Note
The maximum temperature that can be set in the Water
Heater Display is limited to the ‘Max Setpoint’ described
previously. To change the ‘Max Setpoint’, refer to the
procedure ‘To Change the Maximum Setpoint Limit…’
described previously under ‘Accessing the Service Mode
on the Water Heater Display’.
