Honeywell RTH8500D Use and Care Manual download pdf (Page 52)

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Use Your Filter Timer

The Filter Timer notifies you when to change your furnace filter.

Reset Filter Timer

1. “Change Filter” appears on the screen when the filter timer

expires.

2. Press the Reset key to restart the filter timer.

View or Reset Timer Settings Before They Expire

1. Press the More key until the Filter Timer appears on the screen.

2. Press the Edit key to change the Timer reload value. Use the

Up or Down arrow keys to change the number of run Time

Days. See Configure Installer Setup Number 0500, for

approximate calendar days.

3. Press the Done key to go back to viewing the filter timer.

4. Press the Reset key to reset the timer to the timer reload value.

(This is the setting you set in the Installer Setup or the new

reload value you selected in step 2.)

5. Press the Done key.

SCHED HOLD CLOCK SCREEN MORE

MON

WED

THU

FRI

SUN

FAN

AUTO

SYSTEM

HEAT

RESET

HAN

FILTER

UV LAMP HUMIDIFIER PAD

Following

Schedule

et T

K T

K M

LTIPLE DAY

REEN L

M19975

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 63 64

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Honeywell RTH8500D Use and Care Manual Page 52