Rheem RTGH-RH10DV, Use And Care Manual, Page: 58 / 86

AP18733 REV. 3.2.17
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CURRENT TIME : AM 1:39
CURRENT DAY : MONDAY
TIMER SETTING : MONDAY 5:00~6:30 , 18:00~20:00
DESIRED HOT WATER TEMPERATURE : 120
°F
Figure 34 – Example Display
▪ C. START-UP SEQUENCE
After the appliance is powered ON, the LCD display shows a sequence of information. The icons will flash, followed by various indicators that
describe the appliance controller and software versions. It will take the appliance roughly 15 seconds to cycle through the Start-Up Sequence.
Display Items Time for Display Remarks
LCD Test
1 Sec All segments “ON”
0.5 Sec All segments “OFF”
Category: 199
1 Sec Pdn
1 Sec 0061
Software Version for Front Panel
1 Sec SPn
1 Sec 00.XX
Software Version for Water Heater
1 Sec SFn
1 Sec XX.XX
Hardware Version for Water Heater
1 Sec Hdn
1 Sec 00XX
Table 24 – Start-Up Sequence
The Control System can operate through user and service modes that have specific LCD outputs and dedicated controls, including:
• Changing the Set-Point Temperature
• Error Mode
• Status Display Mode
• Installer Mode
• High Elevation Mode
• High Temperature Mode
NOTE: The Control System will not allow changes if Lock Mode is activated unless the button is pressed for more than 5 seconds.
▪ D. CHANGING THE DHW SET-POINT
NOTE: The setpoint cannot be changed if water is flowing through the unit. Ensure there is no demand on the water heater when
changing setpoint.
The display shows the icon when the DHW set-point can be changed.