Issue 2 14/07/16
79
Appendix 10
10.4.1 Using control display for servicing the water
heater
ACCESSING SERVICE MODE ON THE WATER HEATER
DISPLAY (FOR SERVICE PERSONNEL ONLY)
The display has a “service mode” for changing the maximum
setpoint and accessing information in aiding servicing of the
water heater. This procedure is for service and installation
personnel only. To enter the Service Mode, follow the steps
illustrated below:
Step 1: Press “Select” and “Temperature Up” buttons together
and hold for 3 seconds until “Max Setpoint” is shown in the
display.
Step 2: Pressing “Select” button will change display to next
mode
Fig. 41
Fig. 42
“Max setpoint”
next to
temperature
setpoint value
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