Carrier AQUAZONE 50QE900 user manual

Summary of the content on the page No. 1

50QE900
Aquazone™ Water Source Heat Pump
Commercial Light-Activated
Programmable Thermostat
Owner’s Manual
Part Number 50QE900-220LA
CONTENTS CONFIGURATION
Page Thermostat Display — The thermostat display is locat-
ed in the center of the thermostat. See Fig. 1. The following
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
information can be displayed on the screen:
CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
 mode (OFF

Summary of the content on the page No. 2

OVERRIDE BUTTON — The Override button is used to The thermostat is unlocked by performing the same proce- force the thermostat from Unoccupied mode into the Occu- dure. Press and hold the Mode button. While holding down the pied 1 mode comfort settings. The Override period will be set Mode button, press the Up and Down Arrow buttons simulta- at 30 minutes. To increase the amount of time in Override neously. The ‘‘Locked’’ icon will be removed from the display. mode, press the Override button aga

Summary of the content on the page No. 3

99 F (1 to 37 C). Press the Mode button to continue. See Programming Thermostat Schedules — Before Fig. 5. programming the thermostat, plan the thermostat daily sched- ule. The schedule is divided into 7 days (Monday through 3. The heating set point for Occupied 1 will be displayed. Sunday). Each day can have 2 (Occupied 1, Unoccupied), 3 Use the UP ARROW and DOWN ARROW buttons to (Occupied 1, Occupied 2, Unoccupied), or 4 (Occupied 1, raise or lower the heating set point until the desired tem-

Summary of the content on the page No. 4

7. The Start Time for Occupied 1 will be displayed. Use the NOTE: The thermostat will continue to follow the sched- UP ARROW and DOWN ARROW buttons to raise or ule until a new one is entered. lower the time until the desired Start Time is shown.  If only one occupied schedule is selected, the Occupied Press the Mode button to continue. See Fig. 6. 2 and 3 schedules are skipped.  If the start time is set later in the day than the stop time, the program will run from midnight of that day to the

Summary of the content on the page No. 5

DOWN ARROWS to select the number of days that the holi- Emergency Heat — Emergency heat is available for day schedule will be in effect. A value of 0 disables Holiday heat pump applications. To turn on emergency heat, press and mode. The duration can be set from 1 to 99 days. The thermo- hold the Fan button. While holding the Fan button, press the stat will enter Holiday mode on midnight of the next day after UP button for 2 seconds. An ‘‘EH’’ will be displayed. During the mode has been activate

Summary of the content on the page No. 6

7

Summary of the content on the page No. 7

Copyright 2003 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. PC 111 Catalog No. 535-00110 Printed in U.S.A. Form 50QE-3SO Pg 8 6-03 Replaces: New Book 1 4 Tab 5a 5a