Robertshaw 8425 User Manual download pdf (Page 10)

8. Wait five seconds or press and the display will switch to the fil-

ter monitor setting.

9. CHECK FILTER and the length of hours for

the filter monitor will be displayed.

10. Use the or to adjust the filter timer

from 0 (OFF) to 9900 hours. NOTE: The

filter timer is based on equipment run

time. Select the length of time based on the recommended service

interval for your filter.

11. Press the to return to normal operation.

♦ Check Filter Reset

Once the filter timer has expired,

CHECK FILTER will turn on and stay

on. To clear the message and reset

the timer:

1. Press the and buttons and

hold for 3 seconds. CLr will appear

in the time display.

2. Press any key to clear the message.

The display will transition to the

temperature scale display as

described in the previous section.

3. No further input is needed. Within a few seconds, the display will

return to the normal operating mode.

♦ Backlit Display

This thermostat is equipped with a backlight to make night time temper-

ature adjustments quick and easy. Press the button to activate the

backlight. The backlight will turn off after about 10 seconds of inactivity.

♦ Reset

To reset the thermostat press the RESET button located above the upper

left corner of the display.

W2/E

GOB Y1W1

ELEC GAS

NON_HP HP

RESET switch

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Robertshaw 8425 User Manual Page 10