Instrukcja obsługi Carrier WEATHERMASTER 48ZT

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48ZG,ZN030-105
48ZT,ZW,Z6,Z8075-105
Gas Heating/Electric Cooling Units
with COMFORTLINK™ Controls
User’s Information Manual
NOTE TO INSTALLER: TO LIGHT UNIT
This manual should be left with the equipment owner.
1. Do not turn off the electrical power to unit without
WARNING: If the information in this
first turning off the gas supply.
manual is not followed exactly, a fire or
2. Before attempting to start the gas heating section,
explosion may result causing property
familiarize yourself with all

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NOTE: High heat consists of sections 1 and 2. Low heat consists NOTE: High heat consists of sections 1-3. Low heat consists of of section 1 only. sections 1 and 2 only. 030-050 SIZES 055-105 SIZES Fig. 1 — Heat Section Details 10. Using the scrolling marquee, enable the unit to run using 11. To test the operation of the gas section, use the scrolling the following procedure: marquee Service Test routine to energize the gas outputs and to turn on the gas. Refer to the unit Controls, Start- ESCAPE

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MAIN MODE ON Run Status Service Test Temperature Pressures Setpoints Alarm Status Inputs Outputs Configuration ESCAPE ENTER Time Clock Operating Modes Alarms OFF STEP 1 STEP 2 STEP 3 a48-8297 STEP 5 STEP 4 a48-8298 STEP 6 STEP 7 MODE Run Status Service Test Temperature Pressures Setpoints Alarm Status Inputs Outputs Configuration ESCAPE ENTER Time Clock Operating Modes Alarms STEP 8 STEP 9 STEP 10 Fig. 2 — To Light Unit 3 LOCK-OUT TAG

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For your safety, keep the gas heating area clear and free of TO SHUT UNIT OFF combustible materials, gasoline, and other flammable liquids and vapors. To ensure proper functioning of the unit, flow of combus- Do not turn off the electrical power to unit without first tion and ventilating air must not be obstructed from reaching turning off the gas supply. the gas heating area. Clearance of at least 4 ft on all sides is required. Never attempt to manually light the main burners on a unit with a m

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When replacing your unit filters, always use the same size Heat Exchanger — To ensure dependable and efficient and type of filter that was originally supplied by the installer. heating operation, the heat exchanger should be checked by a qualified maintenance person before each heating season, and Units with outdoor air capability have a cleanable filter for cleaned when necessary. This checkout should not be attempt- the outdoor air. This filter should be checked annually and ed by anyone not h

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SIZES 030-050 (040 SHOWN) SIZES 055-070 POWER EXHAUST VFD ACCESS DOOR ACCESS DOOR (NEAR SIDE) FLUE OUTLETS (NEAR SIDE ONLY) ACCESS DOOR (FAR SIDE ONLY) POWER EXHAUST (FAR SIDE) (BOTH SIDES) ACCESS DOOR CONTROL BOX CONTROL BOX (FAR SIDE ONLY) (FAR SIDE) GAS SECTION ACCESS DOOR POWER EXHAUST ACCESS DOOR ACCESS DOOR FILTER (BOTH SIDES) (BOTH SIDES) (FAR SIDE) ACCESS SIZES 075-105 Fig. 4 — Door Locations (48Z Series Units) 6

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See Fig. 1 and 5 and proceed as follows to inspect the com- Fan and Belts — Periodically check the condition of fan bustion area and power-venting system of your unit. wheels and housings and belt tension. When service is neces- sary, call your dealer. 1. Turn off gas supply and then electrical power to your unit. 2. Open gas section access door. Evaporator-Fan Motor, Condenser-Fan Motor and Combustion-Fan Motor — Lubrication is not 3. Using a flashlight, carefully inspect the burner areas for r

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REGULAR DEALER MAINTENANCE BEFORE YOU CALL FOR SERVICE, CHECK FOR SEVERAL EASILY SOLVED PROBLEMS In addition to the type of routine maintenance you might be willing to perform, your unit should be inspected regularly by a If insufficient heat or cooling is suspected: properly trained service technician. An inspection (preferably ( ) Check for sufficient airflow. Check the air filters for dirt. each year, but at least every other year) should include the Check for blocked return-air or supply-air