T8624d chronotherm manual

The fan settings can be set for each program period individually. The system selection is for all the program periods. System settings control the thermostat operation as follows: Heat: The thermostat controls the heating. Off: Both the heating and cooling are off.

The Installer Setup is used to customize the thermostat to specific systems. Some of the options include temperature display, changeover and outdoor temperature display. Page 6 models with OT terminals Not used 25 thru 32 The cycle rate for the second stage of heat is adjustable with 6 cph being the factory setting.

Thermostat Installer Setup Options. Factory-Setting Display Description — — Stage 2 — Thermostat Installer Setup Options Continued. Refer to Table 4 for a list of the available self- tests.

Page 9 The Run Program Key will not exit this test. Press Time Program Key to exit. Installer Self-Test Options. Description to go to the previous test and Time Page Thermostat Information — If 24 Vac is present, proceed with troubleshooting. Verify that thermostat is correctly positioned and securely latched to wallplate.

Enter Installer Setup number 37 and reconfigure the display. Enter Installer Setup number 14 and reconfigure the display. Page 11 Check cooling setpoint. Set cooling setpoint to desired temperature.

Verify operation of heating or cooling equipment in self-test. Enter Installer Setup number 24 and set to 1. Thermostat must have OT terminals and a CB installed. Refer to CB installation instructions and check wiring between the thermostat and sensor. Print page 1 Print document 13 pages. Rename the bookmark. Delete bookmark?

Cancel Delete. Delete from my manuals? Sign In OR. Don't have an account? Thermostat Installer Setup Options.

Degree temperature display Not Used. Clock format. Not Used. Furnace Air Filter Timer. Humidifier Pad Monitor. Page 8: Installer System Test If more than one timer is active, all active timers show sequentially when pressing the i key several times. Refer to Table 4 for a list of the available system tests. Stage-one heat comes on.

The system fan is also energized. Stage-two heat comes on. Stage-one heat and system fan remain on. Stage-two heat turns off. Press the Time key to access the thermostat information. Press the increase! Temperature Room temperature display has display is incorrect. Bad thermostat location. Temperature The upper or lower temperature settings will not limits were reached. Page 12 Table 6. Troubleshooting Guide. Continued Verify operation of heating or cooling equipment in self-test.

Enter Installer Setup number 24 and set to 1. Thermostat must have OT terminals and a CB installed. Refer to CB Installation Instructions and check wiring between the thermostat and sensor.

This manual is also suitable for: Chronotherm iv td. Print page 1 Print document 13 pages. Rename the bookmark. Delete bookmark? Cancel Delete. Delete from my manuals? Sign In OR. Don't have an account?