10902 17TH PL W 2025-01-06 - Laserfiche WebLink

For the location of your nearest distributor consult the white to the low side while the low side shell and suction line con- business pages,the yellow page section of the local telephone tains pressure, the pressurized refrigerant and oil mixture book or contact: could ignite when it escapes and contacts the brazing flame. CONSUMER AFFAIRS To prevent this occurrence , it is important to check both the GOODMAN MANUFACTURING COMPANY, L.P. high and low side with manifold gauge before unbrazing, 7401 SECURITY WAY bleed refrigerant from both the high and low side. HOUSTON, TEXAS 77040 IMPORTANT MESSAGE TO OWNER: 877-254-4729 These instructions should be carefully read and kept for NOTE: Information contained in this manual pertains only future reference. It is suggested that this booklet be saved to equipment intended for outdoor installation. For addi- for future references. It is addressed to your dealer and tional information refer to literature packaged with other serviceman, but we highly recommend you read it, paying system components. particular attention to the section titled MAINTENANCE. Pre-Installation Instructions The manufacturer assumes no responsibility for equipment Carefully read all instructions for the installation prior to in- installed in violation of any code or regulation. The manual stalling product. Make sure each step or procedure is under- will instruct you in the service and care of your unit. Have your stood and any special considerations are taken into account installer go over the manual with you so that you fully under- before starting installation. Assemble all tools, hardware and stand your air conditioner and how it is intended to function. supplies needed to complete the installation.Some items may The heat pump is a relatively simple device. It operates need to be purchased locally. Make sure everything needed exactly as a summer air conditioning unit on the cooling to install the product is on hand before starting. cycle. Always let the thermostat control system operation. Do Not try to second guess the thermostat or tamper with it. INSTALLATION AND OPERATING INFORMATION If the conditioned area temperature is not suitable, change FOR UNITS WITH SCROLL COMPRESSORS the thermostat setting one degree at a time until desired comfort level is achieved. ACAUTION A heat pump in the heating mode cannot heat a building as Use care when handling scroll compressors. Dome temp- rapidly as a furnace heats it. It may take a day or two to"pull eratures could be hot. down"a cold, moist house when the unit is initially installed The following information should be read prior to installing or after prolonged shutdowns. units with scroll compressors. MAINTENANCE 1. PUMP DOWN PROCEDURE It is recommended that the outdoor unit be inspected and, if necessary, cleaned each cooling season. Particular atten- A CAUTION tion should be given to the air inlet side of the outdoor coil to insure that leaves, grass, etc., are not being drawn into the Scroll compressors should never be used to evacuate the unit. Restriction to air flow across the coil will result in loss of air conditioning system.Vacuums this low can cause inter- system capacity, high operating pressures and excessive nal electrical arcing resulting in a damaged or failed compressor. operating costs. If the outdoor unit is installed adjacent to a 2. CRANKCASE HEATER grassy area, it is suggested that lawn mowers be routed in Heat pump models with scroll compressors may require a such a manner that the discharge of the mower will be di- crankcase heater. rected away from the unit. There must be air filters installed 3. TIME DELAY COMPONENT in the system at some point upstream to the indoor coil. Air filters should be inspected and, if necessary, replaced and/ The time delay is located in the low voltage control circuit. or cleaned AT LEAST once a month. When the compressor shuts off due to thermostat operation or a power failure,this components keeps the compressor off If disposable filters are used, an adequate supply of clean, for at least 30 seconds which allows the system pressure to unused filters of the correct size should be kept available. equalize. Equipment should never be operated without filters. 4. UNBRAZING SYSTEM COMPONENTS If the refrigerant charge is removed from a scroll equipped Permanent type filters may be vacuumed and/or washed but unit by bleeding the high side only, it is sometimes possible should not be reinstalled until thoroughly dry. Most air filters for the scrolls to seal,preventing pressure equalization through are marked to indicate the direction of airflow,and this should the compressor. This may leave the low side shell and suc- be carefully noted when they are being installed. Never turn tion line tubing pressurized. If a brazing torch is then applied a dirty filter to allow air flow in the opposite direction. 2 Downloaded from www.Manualslib.com manuals search engine