Carrier AQUAZONE 50QE900 Owner's Manual

Also see for 50QE900-220LA: Installation and operating instructions

Contents

Carrier AQUAZONE 50QE900 Owner's Manual Manual pdf 5 page image

5Emergency Heat — Emergency heat is available forheat pump applications. To turn on emergency heat, press andhold the Fan button. While holding the Fan button, press theUP button for 2 seconds. An ‘‘EH’’ will be displayed. Duringemergency heat, the fan will operate and the second stage ofheat will be energized (locking out the first stage compressor).To exit emergency heat, press and hold the Fan button. Whileholding the Fan button, press the UP button for 2 seconds. Dur-ing emergency heat, only OFF and HEAT modes are available.Holiday Mode — When the thermostat is in Holidaymode, the thermostat will operate under Unoccupied set points.To configure and activate the Holiday mode, press the Holidaybutton. The ‘‘HOL’’ icon will be displayed along with theremaining days of Holiday mode operation. Press the UP orDOWN ARROWS to select the number of days that the holi-day schedule will be in effect. A value of 0 disables Holidaymode. The duration can be set from 1 to 99 days. The thermo-stat will enter Holiday mode on midnight of the next day afterthe mode has been activated. Holiday mode will remain ineffect until midnight of the last configured day.If the Holiday mode is in effect, the number of days remain-ing will blink on and off and the ‘‘Unoccupied’’ icon will bedisplayed. The Override button will be active during Holidaymode. The Dry Contact Switch is ignored.To turn off the Holiday mode before the remaining config-ured days have passed, press the Holiday button to enter theconfiguration mode. Press the DOWN ARROW to set thenumber of days to zero. Holiday mode will be disabled.

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