4
Attach Thermostat to Sub-Base
5
1. Line up the thermostat body with the sub-base.
2. Carefully push the thermostat body against the sub-base until it snaps
into place.
3. Insert quick reference card into slot on top of thermostat.
3
Setting User Options
Advanced User Options
User options allow you to customize some of your thermostats features.
Most users will not need to make any changes to the settings in this section.
To access the User Options menu, hold down both the and buttons
for approximately 3 seconds until the screen changes and displays
the first User Option.
Press the or button to change the setting for the displayed User Option.
After you have made your desired setting, press and together to
advance to the next User Option.
The thermostat will return to normal mode after your last user option is
made or after no keys have been pressed for 15 seconds.
User Factory Setting
No. Options Default Options Comments
1 1st stage
0.5
0.5, 1.0
Select a 1st stage temperature
differential
or 2.0 differential of .5˚, 1˚ or 2˚F (.2˚, .5˚
or 1˚C)
2 2nd stage
2.0
1.0, 2.0,
Select a 2nd stage temperature
differential
3.0, 4.0
, differential of 1˚, 2˚, 3˚, 4˚, 5˚ or 6˚F
(PRS3210
5.0
or
6.0
(.5˚, 1˚, 1.5˚, 2˚, 2.5˚ or 3˚C)
only)
Table of User Options
Detailed Explanation of User Options:
Temperature Differential
(User Option 1 and 2)
The differential setting is the temperature control range that your thermostat
will provide. The smaller the setting, the tighter your range of temperature
control and comfort will be. The 2nd stage differential is only for systems
with a second stage of heating (auxiliary heat).
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