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valutazioni - 4, GPA: 4.5 ( )

Istruzioni per l'uso Carrier, Modello COMFORTLINK 48P2

Produttore : Carrier
File Size : 555.2 kb
File Nome : 48p-1so.pdf
Lingua di insegnamento: en
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Facilità d'uso


1 SECTION 1 SECTION 2 LIMIT SWITCH NO. 2 FLUE OUTLET GAS VALVE Fig. 1 — Heat Section Details NOTE: High heat consists of sections 1-3. Low heat consists of sections 1 and 2 only. 055-100 SIZES LOW HEAT NOTE: High heat consists of sections 1 and 2. Low heat consists of section 1 only. 030-050 SIZES a48-8445a a48-8445b GAS VALVE FLUE OUTLET LIMIT SWITCH NO. 1 SECTION 1 LIMIT SWITCH NO. 2 SECTION 2 FLUE OUTLET GAS VALVE SECTION 3 FLUE OUTLET GAS VALVE Fig. 1 — Heat Section Details (cont) NOTE: High heat consists of sections 1-3. Low heat consists of sections 1 and 2 only. 055-100 SIZES HIGH HEAT a48-8446 Run Status Service Test Temperature Pressures Setpoints Inputs Outputs Configuration Time Clock Operating Modes Alarms Alarm Status ENTER MODE ESCAPE Run Status Service Test Temperature Pressures Setpoints Inputs Outputs Configuration Time Clock Operating Modes Alarms Alarm Status ENTER MODE ESCAPE STEP 1 STEP 2 STEP 3 LOCK-OUTTAG ON OFF MAIN STEP 4 STEP 5 STEP 6 STEP 7 Run Status Service Test Temperature Pressures Setpoints Inputs Outputs Configuration Time Clock Operating Modes Alarms Alarm Status ENTER MODE ESCAPE STEP 8 STEP 9 STEP 10 Fig. 2 — To Light Unit 3 TO SHUT UNIT OFF WARNING 1. Do not turn off the electrical power to unit withoutfirst turning off the gas supply. 2. Never attempt to manually light the main burners onunit with a match, lighter, or any other flame. If theelectric sparking device fails to light the main burners, refer to the following shutdown procedures. Call yourdealer as soon as possible. Failure to follow these procedures can result in seriousfire or personal injury. See Fig. 1 for location of gas valve(s). Refer to Fig. 3 whileproceeding with the following steps. 1. Turn off the unit demand for cooling or heating by usingthe scrolling marquee. The scrolling marquee is located inthe control box at the compressor end of the unit. ESCAPE a. Push the key unit a blank display screen is shown. b. Push the key until the SERVICE TEST LED is lit. c. Push the ENTER key. The display will show STOP. d. Push the ENTER key again. The NO/YES display will flash. e. Push the or key to toggle the display to YES and then push ENTER . The unit will be locked off from heating, cooling or any operation. The controls will still function and the display will still operate. 2. Close the field-installed manual gas shutoff valve. 3. Turn off the electrical power to the unit using the optionaldisconnect or the field-installed disconnect and lock off using proper lockout and tag-out procedures. 4. Open the burner section hinged access door. 5. Move the switch on the gas valves to the OFF positionand wait 5 minutes before doing any service in the sectionor on the piping. 6. Close the burner section hinged access door. 7. If unit is being shut down because of a malfunction, call your dealer as soon as possible. If unit is being shut down because the heating season hasended, restore electrical power to the unit and reset thescrolling marquee to Run mode to ensure operation of thecooling system during the cooling season. IMPORTANT: Should overheating occur or the gas supplyfail to shut off, shut off the manual gas valve to the unitbefore shutting off the electrical supply. Do not use this unit if any part has been under water. Immediately call a qualified service technician to inspect the unit andto replace any part of the control system and gas control thathas been under water. MAINTAINING YOUR UNIT All maintenance should be handled by skilled, experiencedpersonnel. Your dealer can help you establish a standard procedure. For your safety, keep the gas heating area clear and free ofcombustible materials, gasoline, and other flammable liquidsand vapors. To ensure proper functioning of the unit, flow of combustion and ventilating air must not be obstructed from reachingthe gas heating area. Clearance of at least 4 ft on all sides isrequired. ROUTINE MAINTENANCE AND CARE FOR THE EQUIPMENT OWNER Before proceeding with those things you might want tomaintain yourself, please carefully consider the following: WARNING 1. TURN OFF GAS SUPPLY AND THEN ELECTRICAL POWER TO YOUR UNIT BEFORE SERVICING OR PERFORMING MAINTENANCE. 2. Do not turn off electrical power to this unit withoutfirst turning off the gas supply. 3. When removing access panels or performing maintenance functions inside your unit, be aware of sharpsheet metal parts and screws. Although special carehas been taken to reduce sharp edges inside the unit, be extremely careful when handling parts or reachinginto the unit. Failure to follow these procedures can result in seriousfire or personal injury. Air Filters — Air filters should be checked at least every3 or 4 weeks and changed or cleaned whenever they becomedirty. Table 1 indicates the correct filter size for your unit. Openthe hinged filter access door to replace or inspect the filters. Allunits have filter tracks into which the filters slide. Remove the filters by pulling outward from the track. See Fig. ...

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