Honeywell RTH8580ZW User Manual page 19

System setup
How do I change time and date settings? (See page 16 for instructions.)
Function
0120
Year Setting
(first two digits)
0130
Year Setting
(last two digits)
0140
Month Setting
0150
Date Setting
0160
Schedule Options
0165
Restore Schedule
Defaults
How do I set my heating/cooling system type? (See page 16 for instructions.)
Function
0170
Select System
Type
If you are not sure of
your heating/cooling
system type or have
other questions,
go to
http://yourhome.
honeywell.com
Settings & Options
20 = Year 20xx
21 = Year 21xx
01–99 (i.e., 2001–2099)
01–12 (i.e., January–December)
01–31
4 Program schedule is on (7-day programmable).
0 Program schedule is off. Thermostat cannot be programmed.
0 Continue using programmed schedule.
1 Restore thermostat program to energy saving settings
Settings & Options
Heat/cool: Gas, oil or electric heating with central air conditioning.
1
Heat pump: Heat pump without backup or auxiliary heat.
2
3 Heat only (2-wire systems):
4 Heat only with fan: Gas, oil or electric heat without central air
conditioning.
Heat only (no fan): Gas, oil or hot water heat without central air
5
conditioning.
Cool only: Central air conditioning only.
6
7 Heat pump: Heat pump with backup or auxiliary heating.
8 Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 2
cooling stages (wires on Y and Y2).
Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 1
9
cooling stage (wire on Y).
Heat/Cool Multiple stages: 1 heat stage (wire on W), 2 cooling stages
10
(wires on Y and Y2).
11 2Heat/2Cool Heat Pump (no aux. heat):
12 3Heat/2Cool Heat Pump (with aux. heat):
17
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