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Categoría: Los calentadores de gas
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Check convenience outlet for power status before opening unit for service. Locate its disconnect switch, if appropriate, and open it. Lock- -- out and tag- -- out this switch, if necessary. 20 21 Two types of convenience outlets are offered on 48HC models: Non--unit powered and unit--powered. Both types provide a 125--volt GFCI (ground--fault circuit--interrupter) duplex receptacle rated at 15--A behind a hinged access cover, located on the corner panel of the unit. See Fig. 26. Convenience Outl

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Categoría: Los calentadores de gas
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as the enzymatic activity will be destroyed. 5. Thoroughly apply Totaline environmentally sound coil cleaner solution to all coil surfaces including finned area, tube sheets and coil headers. 6. Hold garden sprayer nozzle close to finned areas and apply cleaner with a vertical, up-and-down motion. Avoid spraying in horizontal pattern to minimize potential for fin damage. 7. Ensure cleaner thoroughly penetrates deep into finned gueas. 8. Interior and exterior finned meas must be thoroughlycleaned

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Categoría: Los calentadores de gas
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Units are lightweight and install easily on a rooftop or a ground-level pad Convertible duct configuration Unit is designed for easy use in either downflow or horizontal applications Efficient operation High-efficiency design with SEERs (Seasonal Energy Efficiency Ratios) . of 10.0 and AFUE (Annual Fuel Utilization Efficiency) ratings as high as 81 0% All units have a minimum CSE (California Seasonal Efficiency) rating of 76% Copyright 1994 Carrier Corporation Form 48SS-2PD Energy-saving,

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Categoría: Los calentadores de gas
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Press the arrow key until ‘‘Sr1’’ is displayed. This is the VFD set point listed in Table 7. 5. Press the ‘‘READ/WRITE’’ key. The set point value will be displayed. Use the up-arrow or down-arrow key to adjust the set point value to the value desired. 6. Press the ‘‘READ/WRITE’’ key again to enter the new value. 7. Check the factory default values. IMPORTANT: The Carrier factory default values for the VFD may be different than the default values of the manufacturer. Refer to the Carrier literat

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Categoría: Los calentadores de gas
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See Fig. 16. The internal timeclock has a 10-hour minimum back-up time to provide for unit power off for servicing unit or during unexpected power outages. For complete Carrier Comfort System (CCS) or Carrier Comfort Network (CCN) features and benefits, refer to the product literature. Step 8 — Make Electrical Connections POWER WIRING — Units are factory wired for the voltage shown on the unit nameplate. When installing units, provide a disconnect per NEC (National Electrical Code) of adequate s

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Categoría: Los calentadores de gas
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The maximum delay is 3 minutes. Once modified, the fan off delay will not change back to 45 seconds unless power is reset to the control. If the unit is controlled through a room sensor, the indoor fan will be operating in the Occupied mode and turned off after 45 seconds in the Unoccupied mode. GAS HEATING, VARIABLE AIR VOLUME (VAV) UNITS — All of the gas heating control is performed through the integrated gas control (IGC) board. The base module board serves only to initiate and terminate heat

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Categoría: Los calentadores de gas
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10. Return power to unit. Disable Economizer — For applications where the economizer will not be used (areas of high humidity), the economizer should be disabled. To disable the economizer, perform the following: 1. Turn of power. Lock out disconnect. 2. Locate the OAT (Outdoor Air Thermostat) in the right hand outdoor air damper area. 3. Locate the splice connecting the violet wire coming from T24 on the base module board to the red wire coming from T29 on the base module board. Remove the wire

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Contact your dealer for the required periodic maintenance. Fans and Fan Motor — Periodically check the condition of fan wheels and housings and fan-motor shaft bearings. No lubrication of condenser-or evaporator-fan bearings or motors is required or recommended. Evaporator and Condenser Coils — Cleaning of the coils should only be done by qualified service personnel. Contact your dealer for the required annual maintenance. Condensate Drain — The drain pan and condensate drain line should be chec

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Categoría: Los calentadores de gas
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Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information, consult a qualified installer, service agency, or the gas supplier. FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. •

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On downflow furnaces, the blower access door must be removed before the control access door is removed, then reinstalled. • Is the control knob on the internal gas valve turned to the ON position? If it is not, be sure it has not been turned OFF for the purpose of safety. If nothing else seems to be amiss, follow the startup procedures found on the furnace. • If your furnace has a manual ignition (continuous) pilot system, check for pilot flame. If there is no pilot flame, follow the manual st





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