Carrier 40WAD009 Installation And Maintenance Instructions Manual

Contents

9WIRED REMOTE CONTROLLER (NON-PROGRAM-MABLE) — To connect non-programmable wired remotecontroller (thermostat) to the indoor unit, use 5-core shieldedcable and 5-pin connector from unit display panel (see Fig. 10).For setup instructions, refer to the controller installationmanual.CENTRAL CONTROLLER — The central controller isconnected to the indoor unit through outdoor unit with 3-coreshielded cable (see Fig. 11). For setup instructions, refer to thecontroller installation manual.START-UPPre-Start Check — Once installation is complete, makethe following pre-start checks:1. All indoor and outdoor units are properly installed.2. All piping and insulation is complete.3. All electrical connections (both power and control) areproperly terminated.4. All condensate drains are installed correctly.5. The power supply is of the right voltage and frequency.6. The units are properly grounded in accordance with cur-rent electrical codes.7. Suction and liquid line service valves are in open posi-tion.Drain Pump and Drainage Test — Follow thesesteps to perform the test:1. Remove the test cover by rotating it counter-clockwise asshown in Fig. 12.2. Using a piece of tubing or pipe, fill the drain pump reser-voir with 70 oz. of water. See Fig. 13.3. Turn the unit ON in cooling mode. The pump comes on.Watch the end of the drain pipe for any water. It may takesome time for the water to travel, depending on the lengthof the drain pipe.4. During this test, check any bends or joints for leakage.WIRED REMOTECONTROLLER4-PIN CONNECTORFROM ELECTRICAL BOXINDOORUNITa40-1726Fig. 9 — Wired Remote Controller(Programmable) WiringINDOOR UNITDISPLAY PANEL5-CORE CABLE5-CORE SHIELDED CABLEINDOOR UNITELECTRIC CONTROL BOXINDOOR UNITELECTRIC CONTROLPANELWIRED CONTROLLERBACKA40-17145-CORE CABLEFig. 10 — Wired Remote Controller(Non-Programmable) WiringX Y E F1 F2 E FORCED ON EMG. STOPR CTO INDOOR UNITX,Y,EDAISY CHAINNOT USEDFORCEDONSWITCHEMERGENCYSTOPSWITCH24 VACa40-1774Fig. 11 — Central Controller (Back)CLOSEDOPENCLOSEDOPENTEST COVERA40-1853Fig. 12 — Test Cover

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