Honeywell T8665C Owner's Manual - Page 25

Successful Communication Indicator, Programming Your Thermostat, 7-Day Program and Operation

Get Honeywell T8665C PDF manuals and user guides View all Honeywell T8665C manuals
Add to My Manuals
Save this manual to your list of manuals

Page 25 highlights

Heat Pump Fault Monitor LED lights red when heat pump failure is detected. Switch thermostat to Em. Ht. and contact you heat pump service com- HEAT PUMP pany. Heating with Em. Ht. is expensive, so act quickly. Temporary AM System Heat Mon Heat Fan Auto M17763 Successful Communication Indicator The thermostat periodically sends and receives messages. The small triangle right of the temperature display indicates the thermostat successfully communicated with the system controller installed by your Energy Utility. PROGRAMMING YOUR THERMOSTAT 7-Day Program and Operation Your thermostat is 7-day programmable, which means you can set your thermostat for four periods (Wake, Leave, Return and Sleep) and up to eight temperatures (four Heat and four Cool) for each day of the week. Each day can be the same or different. 25 69-1538

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
25
69-1538
Heat Pump Fault Monitor LED lights red when
heat pump failure is
detected. Switch thermostat
to Em. Ht. and contact you
heat pump service com-
pany.
Heating with Em. Ht.
is expensive, so act quickly.
Successful Communication Indicator
The thermostat periodically sends and receives
messages. The small triangle right of the
temperature display indicates the thermostat
successfully communicated with the system
controller installed by your Energy Utility.
PROGRAMMING YOUR
THERMOSTAT
7-Day Program and Operation
Your thermostat is 7-day programmable, which
means you can set your thermostat for four
periods (Wake, Leave, Return and Sleep) and
up to eight temperatures (four Heat and four
Cool) for each day of the week. Each day can
be the same or different.
M17763
Mon
System
Fan
Heat
Auto
AM
Heat
Temporary
HEAT PUMP