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However, if the outdoor coil becomes dirty, use a vacuum cleaner with soft brush attachment to clean the exterior surface. Vacuum coil surface using an up and down motion. Be careful not to bend or damage coil fins. If dirt is deep in the coil, contact your dealer for service. The outdoor fan motor may have to be disconnected and the top panel removed to gain access to the coil for thorough cleaning. Do not attempt this yourself. OUTDOOR COIL—SEA COAST If your unit is located near the ocean, special maintenance is required. Ocean mist/breeze carries salt, which is corrosive to most metals. Although your new unit is made out of galvanized metal and is protected by top-grade paint, you should take the precaution of additional maintenance which consists of periodically washing the unit. By washing all exposed surfaces and coil approximately every 3 months, you will be adding additional life to your unit. Consult your installing contractor for proper intervals/ procedures for your geographic area or service contact. UNIT SUPPORT Your split-system outdoor unit should be maintained in a level position. If its support should shift or settle so that the unit is no longer level, you should correct the condition. Relevel it promptly to assure that water drains out of the unit. If you notice that water or ice collects beneath the unit, arrange for it to be drained away from the unit. BEFORE YOU REQUEST A SERVICE CALL CHECK FOR THESE EASILY SOLVED PROBLEMS: • Check the indoor and outdoor disconnect switches. Verify that circuit breakers are ON or that fuses have not blown. • Check for sufficient airflow. Check the air filter(s) for any accumulations of dirt. Check for blocked return-air or supply-air registers. Be sure registers are open and unobstructed. • Check the settings on your indoor thermostat. If you desire cooling, make sure that the temperature control selector is set below room temperature and the SYSTEM or MODE control is set to COOL or AUTO. If you require warmth, make sure that the temperature control selector is set above room temperature and the SYSTEM or MODE control is set to HEAT or AUTO. The FAN control should be set to ON for continuous blower operation or AUTO if you wish blower to function only while the heating or cooling equipment is operating. If your comfort system still fails to operate, turn your system off and contact your servicing dealer for troubleshooting and repairs. Specify your apparent problem, and state the model and serial numbers of your equipment. (You should have them recorded on the last page of this booklet.) With this information, your dealer may be able to offer helpful suggestions over the phone or save valuable time through knowledgeable preparation for the service call. REGULAR DEALER MAINTENANCE In addition to the routine maintenance that you perform, your home comfort system should be inspected regularly by a properly trained service technician. The inspection (preferably each year, but at least every other year) should include the following: • Routine inspection of air filter(s). Replacement or cleaning as required. • Inspection and cleaning of the blower wheel, housing, and motor. • Inspection and, if required, cleaning of indoor and outdoor coils. • Inspection of the indoor coil drain pan, plus the primary and secondary drain lines. If supplied, the auxiliary drain pan and line should be inspected at this time. Service should include cleaning if required. 5 • A check of all electrical wiring and connections. FOR THE RECORD • A check for secure physical connections of individual components within units. • Operational check of the air conditioning system to determine actual working condition. Necessary repair and/or adjustment should be performed at this time. Your servicing dealer may offer an economical service contract that covers seasonal inspections. Ask for further details. Record the model, product, and serial numbers of your new equipment in the spaces provided on the last page. This information, along with the other ready-reference facts requested, will be necessary should you ever require information or service. 6 7 INSTALLATION DATA MODULAR INDOOR UNIT, if Applicable: Date Installed Blower—Product No. Dealer Name Model No. Address Serial No. City State Zip Coil—Product No. Telephone Model No. SPLIT-SYSTEM Serial No. OUTDOOR UNIT: Product No. Heater—Product No. Model No. Model No. Serial No. Serial No. ACCESSORIES INDOOR UNIT OR COIL: Product No. Product No. Product No. Model No. Product No. Serial No. Product No. Product No. HEATING & COOLING TO OBTAIN INFORMATION ON PARTS: Consult your installing dealer or classified section of your local telephone directory under the “Heating Equipment’’ or “Air Conditioning Contractors & Systems’’ heading for dealer listing by brand name. Have available the Model No., Series Letter, & Serial No. of your equipment to ensure correct replacement part. Carrier Corporation Indianapolis, IN 46231 Manufacturer reserves the ri...