Honeywell International Inc. T8665E Manuale Utente

69-1538

Hold down Filter key to reset counter.

3. Press Time

∆ or Time ∇ until desired

number of days display (0, 15, 30, 60, 90,

or 120).

4. Press Run Program key to

return to normal operation.

IMPORTANT

To track time fan is running, you must

select a setting other than 0 (0 means

off). If setting is 0 days, display always

shows “0 Days; 0 Setting” when Filter

key is pressed.

LED Indicators (T8665D Only)

Two LED indicators located on upper right of the

thermostat indicate when a Heat Pump Fault Monitor

or Equipment Monitor signal is sent to the thermostat

from the system. When Heat Pump Fault Monitor

LED indicator lights (red), see Troubleshooting

section.

M17762A

Filter

Days

Setting

M19467

HEAT PUMP FAULT
MONITOR LED

EQUIPMENT
MONITOR LED

Run

Program