Carrier 40QA024-060 Specifications

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Cata

10Step 6 — Make Electrical Connections — Be surefield wiring complies with local building codes and NEC, andunit voltage is within limits shown in Tab

11Fig. 14 — Component Location (Typical Ceiling-Suspended System)LEGEND*Standard.†Accessory item.**Field supplied.††Insulate for heat pump application

12Step 7 — Install Thermostat — These systems use a3-speed thermostat. The thermostat monitors the system opera-tion and controls the operating mode.

13Step 8 — Make Connections Between Indoorand Outdoor Units — The thermostat is wired betweenthe indoor and outdoor units to make the system complete.

14AUTOCOOLHEATCOOLHEATAUTOFLAT THERMOSTAT (FLATSTAT)CARRIERCOOLING ONLYHEAT & COOL(53DFS250-FS)SLIMLINE THERMOSTATCARRIERHEAT PUMPCOOLING ONLYHEAT

15Step 8 — Make Connections Between Indoorand Outdoor Units — The thermostat is wired betweenthe indoor and outdoor units to make the system complete.

16Fig. 20 — Cooling System Wiring Diagram

17Fig. 21 — Heat Pump Wiring Diagram

18START-UPMake the following checks and complete the Start-UpChecklist on page CL-1 before system start-up. Also refer tothe condensing unit Installat

19SPECIAL OPERATION, HEATING — Outdoor cooling unitsmay be matched with heat pump ceiling-suspended fan coilunits to provide supplemental electric hea

2Table 1 — System Matches*Units must be field reconfigured for 11/2 ton (18,000 Btuh) operation. See Before Installation sec-tion on page 3 for detail

20Clean Indoor Unit Bottom Panel — If the bottom panelof the unit becomes dirty or smudged, wipe the outside of thepanel with a soft dry cloth. Use a

21Table 7 — Troubleshooting*If fuse blows or circuit breaker trips again after first start attempt, DO NOT attempt to start system again.Contact your

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Cata

START-UP CHECKLISTI. PRELIMINARY INFORMATIONOUTDOOR UNIT: MODEL NO. ___________________INDOOR UNIT: MODEL NO. _____________________SERIAL NO. ________

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Cata

3Table 3A — Physical Data, Under Ceiling Cooling Only Units*Field reconfigured to 18,000 Btuh (11/2 tons). See Before Installa-tion section on this pa

4Table 3B — Physical Data, Under Ceiling Heat Pump Units*Field reconfigured to 18,000 Btuh (11/2 tons). See Before Installa-tion section on page 3 for

5Fig. 3 — Base Unit DimensionsUNITSIZEWEIGHT (lb) A B E F GCooling Only Heat Pump ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm024 108 110 4- 215/

65. Run refrigerant piping as directly as possible and avoidany unnecessary turns or bends.6. Condensate piping can be directed through the insidewall

7TO INSTALL THERMOSTAT:If there is at least 3/8 in. of space between the back of indoorunit and wall:1. Route thermostat wires (field-supplied) throug

8f. Refer to the outdoor unit Installation, Start-Up andService Instructions for additional information.g. Install a factory-supplied filter drier nea

9Fig. 10 — Mounting Hanging BracketsFig. 11 — Hanging Fan Coil Unit*Field-supplied.Fig. 12 — Routing Wires Over PipingNOTE: Teflon Seal must face towa