SERVICING
29
SET THERMOSTAT TO PUMP DOWN
Please follow the following sequence to enter PUMP DOWN
to accumulate the refrigerant to outdoor unit.
Do not operate Cool ON mode to enter PUMP DOWN. Be-
fore starting the PUMP DOWN operation, change indoor
fan trim, delay and profile back to default and stop electric
heater and gas furnace. In this operation, the gas valve
and liquid service valve should be opened.
NOTE: Manufacturer recommends to set PUMP DOWN us-
ing 7-segment display. For more information, see section
Set 7-segment mode display to PUMP DOWN. If difficulty is
encountered using 7-segment display, use the thermostat
as an alternative method. See page 34.
1. On the HOME screen, select MENU.
2. From the MENU screen, select COMFORTNET™ USER
MENU.
3. Enter installer password. (The password is the Date
Code located on the thermostat and is available by
entereing the EQUIPMENT STATUS menu and scrolling
to the bottom.)
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