Rheem 743 Series Owner's Manual & Installation Instructions page 11

Setting Timer ON/OFF Times
Clock is 24hr me.
Se ng an iden cal ON/OFF me will make the appliance
ac ve for 24 hrs.
Prog => Set ON/OFF mes => Accept
Display Shows: SUN 7:00 ­ 7:00 Set ON hour
Note: The hour digit will flash to indicate edi ng
Press Up to change the hour value. Press Accept
Display Shows: SUN 7:00 ­ 7:00 Set ON minute
Note: The minutes digits will flash to indicate edi ng
Press Up to change the minute value. Press Accept
Display Shows: SUN 7:00 ­ 7:00 Set OFF hour
Note: The hour digit will flash to indicate edi ng
Repeat procedure above to set Off me.
Pressing Accept will advance throught On and Off mes
for the week.
Setting Sleep Delay Time
Prog => Sleep Delay Time => Accept
Display Shows: Sleep Delay Time OFF
The Sleep Delay func on puts the unit in a standby
mode a er a user‐defined period (1 ‐ 6 hours).
Press UP bu on to increase the sleep delay me up to
six hours.
Press Accept to confirm selec on, display reverts to the
main menu.
Filter Life
On first opera on, the Filter Life needs to be setup.
Prog => Filter Life => Accept
Display Shows: Remaining Life COUNT IS OFF
Press UP to access filter reset.
Display Shows: Filter Reset. Press Accept
Display Shows: Are you Sure. Press Accept
Display Shows: Set Filter Life xxxx Litres
Press UP to select filter life value. Press Accept
Pressing UP scrolls from the filter OFF selection up
to 12,000 litres. We recommend a default value of
4,000 litres, until the user knows the filter will last
longer.
Filter Life Reset
Prog => Filter Life => Accept
Display Shows: Remaining Life xxxx Litres
Press UP to access filter reset.
Display Shows: Filter Reset. Press Accept
Display Shows: Are you Sure. Press Accept
Display Shows: Set Filter Life xxxx Litres
Press Up to select filter life value. Press Accept
10
Service Menu
Through the service menu, various opera onal
parameters can be viewed and set. Should error
condi ons arise they can be displayed to assist service
technicians.
Prog => Service => Accept
Press UP to cycle through sub menu.
Service Menu Selection
Press "Up" to cycle through menu
Error Codes
Boiling Temp
Chiller Temp
Calib Reset
Temp. Override
So ware Version
Temp Show ON/OFF
TB Treq
Press "Accept" to select choice
Error Codes
Error Codes => Accept
Display error codes if present. Ref box on page 11.
Boiling Temp
Display current boiling water temperature
Up => Boiling Temp => Accept
Display Shows: xx ° C
Chiller Temp
Display current chilled water temperature
Up => Chiller Temp => Accept
Display Shows: xx ° C
Calibration Reset
Force boiling point recalibra on.
Up => Calib Reset => Accept
Display Shows: Are you Sure? Press Accept
Display Shows: Calibrating Do Not Interrupt
Temp. Override
Manually set boiling water temperature.
Up => Temp. Override => Accept
Display Shows: xx ° C Press UP to set temperature
Set range is 70° to 99° C. Press Accept
Display Shows: Are you Sure? Press Accept
Software Version
Display installed so ware version
Up => So ware Version => Accept
Display shows installed so ware version on two lines.