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Honeywell Home RTH Series X2S Smart Thermostat Installation Guide
Installer Setup Options (ISU)
Depending on system settings, not all options may be available
ISU ISU Name ISU Options (factory default in bold)
Scheduling Options
1 = 1 week (all days the same)
(If you do not wish to set a schedule,
use the default setting, then enter
the Schedule Menu after completing
setup and select Off.)
2 = 5-2 Programmable (separate weekdays and weekend)
3 = 5-1-1 Programmable (separate Saturday and Sunday)
4 = 7-Day Programmable (each day separate)
1040
F = Fahrenheit
C = Celsius
(Default varies by model)
1050
2000
Temperature Indication Scale
1 = Conventional Forced Air Heat
2 = Heat Pump
3 = Radiant Heat (Boiler)
5 = None (Cool Only)
Heating System Type
(If you are unsure what type of system you have, refer to your heating/cooling system equipment literature or call an HVAC
professional. If you select the wrong system type, the thermostat will not operate the equipment as intended.)
Conventional Forced Air Heat.
1 = Standard Efficiency Gas Forced Air
2 = High Efficiency Gas Forced Air
3 = Oil Forced Air
4 = Electric Forced Air
5 = Hot Water Fan Coil
2010
Heating Equipment Type
ISU 2010 not shown when 2000 = heat pump
Radiant Heat:
9 = Hot Water Radiant Heat
12 = Steam
0 = O (O/B on Cool. O wire is connected to the O/B terminal and
controls cooling.)
1 = B (O/B on Heat. B wire is connected to the O/B terminal and
controls heating.)
2060
Reversing Valve Polarity
The literature that came with your heat pump equipment should
indicate whether the reversing valve is energized in Heat or Cool mode.
0, 1, 2 Select the number of Stages. For heat pumps, only 1 stage is
2070
2071
Cool / Compressor Stages
Heat/Backup Heat Stages
supported.
Heat Stages: 1, 2
Backup Heat Stages: 0, 1
31=Electric Forced Air
Aux Backup Heat Type (for Heat Pump This thermostat only supports electric backup heat. If your heat pump
2180
3000
Systems)
uses a gas or oil backup heat source, this thermostat should not be
used.
0 = Hidden (Manual only)
1 = Enabled
(Automatic available. In auto mode, the thermostat automatically
switches between heating and cooling to maintain the desired
indoor temperature. This option is not recommended if the outdoor
temperature often stays below 50F (10C) during winter months.)
Auto Changover
Continued on the next page
13
| General | Details |
|---|---|
| Name | Honeywell Home RTH Series X2S Smart Thermostat Installation Guide |
| Make | Honeywell Home |
| Language | English |
| Filetype | PDF (Download) |
| File size | 2.22 MB |

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