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9
RTH7500 Series
Number Description Options (factory default in bold)
218 Reversing Valve O/B
0 = O (O/B in Cool)
1 = B (O/B in Heat)
Note: This option is only displayed if the Heat Pump configured. Select
whether reversing valve O/B should energize in cool or in heat.
220
Cool Stages / Compressor
Stages 200=Conv / 200=HP
0, 1, 2
Note: Select how many Cool or Compressor stages of your equipment
the thermostat will control. Maximum of 2 Cool/Compressor Stages. Set
value to 0 if you do not have Cool Stage/Compressor Stage.
221
Heat Stages / Backup Heat
Stages Heat Stages
Heat Stages: 1, 2
Backup Heat Stages: 0, 1
Note: Select how many Heat or Aux/E stages of your equipment the
thermostat will control. Maximum of 2 Heat Stages for conventional
systems. Maximum of 1 Aux/E stage for systems with more than 1
heating equipment type. Set value to 0 if you do not have Heat Stage/
Backup Heat Stage.
300 System Changeover
0 = Manual
1 = Automatic
Note: Thermostat can automatically control both heating and cooling
to maintain the desired indoor temperature. To be able to select
“automatic” system mode on thermostat home screen, turn this feature
ON. Turn OFF if you want to control heating or cooling manually.
425 Smart Response
0 = No
1 = Yes
Note: Smart Response is a comfort setting. Heat or Cooling equipment
will turn on earlier, ensuring the indoor temperature will match the
setpoint at the scheduled time. See page 15.
430
Minimum Cool Temperature
Setpoint
50 °F to 99 °F (50 °F)
10.0 °C to 37.0 °C (10.0 °C)
Note: The cool temperature cannot be set below this level.
431
Maximum Heat Temperature
Setpoint
40 °F to 90 °F (90 °F)
4.5 °C to 32.0 °C (32.0 °C)
Note: The heat temperature cannot be set above this level.
711
Air Filter 1 Replacement
Reminder
0 = Off
1 = 10 Run Time Days
2 = 20 Run Time Days
3 = 30 Run Time Days
4 = 45 Run Time Days
5 = 60 Run Time Days
6 = 90 Run Time Days
7 = 120 Run Time Days
8 = 150 Run Time Days
9 = 30 Calendar Days
10 = 45 Calendar Days
11 = 60 Calendar Days
12 = 75 Calendar Days
13 = 3 Calendar Months
14 = 4 Calendar Months
15 = 5 Calendar Months
16 = 6 Calendar Months
17 = 9 Calendar Months
18 = 12 Calendar Months
19 = 15 Calendar Months
Note: Set a reminder for when to change your air filter. Choose either
calendar or equipment run time-based reminder.
1415 Daylight saving time
0 = Off
1 = On
Note: Set to Off in areas that do not follow Daylight Saving Time.
NOTE: Once you have cycled through all of the System Setup numbers, Done is
displayed. Press Select to save and exit.
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