Instruction/ maintenance manual of the product 50QE900-250FS Carrier
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Manufactu rer reser ves the rig ht to dis continue , or chan ge at a ny time, spec ificat ions or des igns without notice an d withou t inc urring obligations. PC 111 Catalog No . 535-0 0111 Printe d in U.S.A. Form 50 QE-4SO Pg 1 6-03 Replaces: New Book 1 4 Ta b 5 a 5 a Owner’ s Man ual P ar t Number 50QE900-250FS CONTENTS Page GENERAL .
2 cooling set points. Pressing the UP ARROW or DOWN ARROW buttons in Heating mode will adjust only the heating set points. The UP ARROW and DOWN ARROW buttons are also used in Programming mode. OV E R R I D E B U T TO N — The Override button is used to force the thermosta t from Unoccupied mode into the Occu- pied 1 mode comfort settings.
3 2. The c ooling set point for Occupied 1 will be displayed. Use the UP ARROW and DOWN ARROW buttons to raise or lower the cooling set point until the desired tem- perature is shown. The range of acceptable values is 35 to 99 F (1 to 37 C). Press the Mode button to c ontinue.
4 Table 1 — Daily Schedule Planner NO TE: The cooling temperatu re set point must be higher t han the heating temperature set point. OPERA TION The Mode button selects the operating mode of the thermo- stat. If OF F is selecte d, the th ermostat wi ll not ent er Heating or Cooling mode.
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Manufactu rer reser ves the rig ht to dis continue , or chan ge at a ny time, spec ificati ons or des igns without notice an d wit hout inc urring obligations.
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