Rheem Water Heater 18:30

To set “OFF” time

• Press and release the “PROG”

button.

MO TU WE TH FR SA SU

TIMER

OFF

TIME PROG DAY HR MIN

RANDOM

y R z MAN

18:30

If the timer has been reset, then

“TIMER – OFF”, “– – : – –” and

“MO TU WE TH FR SA SU” will be

displayed on the screen.

If the timer has not been reset, then

the current “OFF” time program will

be displayed on the screen.

• Press the “DAY” button to select

the days of operation. Refer to

“Functions of the Timer” on

page 16.

The selected days will be displayed on the screen.

Note: There is no need to make an adjustment to the “DAY” display if

“MO TU WE TH FR SA SU” is displayed on the screen and it is desired to

set the timer function for seven day operation.

Example: Setting the “OFF” time as

6:30 PM (18:30 hours) for seven day a

week boosting.

• Press the “HR” button to select the “hour off” time (Note: 24 hour clock).

• Press the “MIN” button to select the “minute off” time.

Note: Six (6) “ON” and “OFF” times are available and each can be set by

following the above procedure. It is recommended only one “ON” and “OFF”

time is set.

• Press and release the “TIME” button to exit the program mode. The current

time is displayed. The timer is now programmed to operate.

Note: The program automatically sets after approximately two minutes if the

“TIME” button is not pressed.

Note: If the timer is not set with an ON-OFF period, the solar water heater will

not boost automatically. If the “MAN” button is pressed to activate the manual

boosting “OVERRIDE” function and an ON-OFF period has not been set, the

solar water heater will remain in boosting mode until the “MAN” button is

pressed again to deactivate the manual boosting “OVERRIDE” function (refer

to “Manual Boosting – “OVERRIDE” Function” on page 20). During this time,

only minimal solar gain may be achieved.