Carrier 40WAF0012 Installation And Maintenance Instructions 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 drams 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 isolation valves are m open posi-tion.System Operation Check -- Once the installationand pre-start checks are completed, follow these steps:1. Using remote controller, select cooling or heating modeto check the operation of the system.2. While the system is m operation, check the following onindoor umt:a. Switches or buttons on the remote controller are easy topush.b. Indicator light is showing normal operation and no er-ror is indicated.3.c. Swing mode of air louvers is working (if applicable tounit).d. Dram pump operation is normal (if applicable).e. No abnormal vibration or noise is noticed.While the system is m operation, check the following onoutdoor unit:a. No abnormal vibration or noise is noticed.b. Condenser fan is m operation.c. Indicator light is showing normal operation and no er-ror is indicated.NOTE: If the unit is turned off or restarted, there is a trinedelay of 3 minutes for the compressor to start from the time thepower is restored.MAINTENANCEWhen servicing or repairing this unit, use only factory-approved service replacement parts. Refer to the ratingplate on the unit for complete unit model number, serialnumber and company address. Any substitution of parts orcontrols not approved by the factory will be at the owner'srisk and may result in equipment damage.To avoid equipment damage, do not attempt to reuse anymechanical or electrical controllers that have been wet.Replace defective controller.EVERY 3 MONTHS:• Check the air filter condition. Clean or replace if neces-sary.EVERY 6 MONTHS -- Follow 3-month maintenance sched-ule. In addition:• Clean condensate tray with suitable cleaning agent.• Clean the grille and panel.EVERY 12 MONTHS -- Follow 6-month maintenanceschedule. In addition:• Be sure all electrical connections are secure.• Check condensate pump operation.• Check the heating and cooling action to confirm properoperation.TROUBLESHOOTINGFigure 15 shows shows the LED display panel on the indoorunit. See Table 4 for a smr_nary of display indicators. Table 5lists problems, possible causes, and possible solutions.OPERATION TIMER DEF./FAN ALARMFig. 15- LED Display Panel10

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