INSTRUCTIONS
The Installer Settings must be properly configured in order for this thermostat to operate correctly. The
Installer Settings are menu driven. The portion of these settings that do not apply to your setup will be
skipped. These settings are indicated below with comments. More detail on each setting follows this table.
1. Press and hold down the RETURN
and buttons for 3 seconds.
2. Release both buttons and the first
installer setting will be displayed.
3. Change settings as required using the
or portion of the SpeedBar
®
.
4. Press NEXT or BACK to move to the
next or previous setting, press
RETURN to exit.
No. Installer Setting Factory Setting Comments
(
Notes follow this table) Default Options (More information follows this table)
1 Temperature Scale F DEG F DEG Select for Fahrenheit display
C DEG Select for Celsius display
2 Auto Changeover oF AUTO oF AUTO Disables Auto Changeover mode
ON AUTO Enables Auto Changeover mode
11CONV Select for 1H/1C Conventional system
22CONV Select for 2H/2C Conventional system
3 System Type 11CONV 11HP Select for 1H/1C Heat Pump system
21 HP Select for 2H/1C Heat Pump system (3020 only)
22HP Select for 2H/2C Heat Pump system
32HP Select for 3H/2C Heat Pump system
1HD Select for Heat Only Hydronic system
11HD Select for Hydronic Heat/1C system
4 1st Stage Differential 0.5 DIF1 0.5, 1.0 or Select a 1st stage temperature differential of
2.0 DIF1 .5°, 1° or 2° F (0.2°, 0.5° or 1.0° C)
5 2nd Stage Differential 2.0 DIF2 1.0, 2.0, 3.0,
Select a 2nd stage temperature differential of 1°,
[note 1] 4.0, 5.0 or
2°, 3°, 4°, 5° or 6° F (0.5°, 1.0°, 1.5°, 2.0°, 2.5°
6.0 DIF2 or 3.0° C)
6 3rd Stage Differential 2.0 DIF3 1.0, 2.0, 3.0,
Select a 3rd stage temperature differential of 1°, 2°,
[note 1] 4.0, 5.0 or
3°, 4°, 5° or 6°F (0.5°, 1.0°, 1.5°, 2.0°, 2.5° or 3.0°C)
6.0 DIF3
4
Installer Settings
NOTE: Shaded areas below do not apply to the 3020.
Installer Manual 8
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