DeLonghi PAC AN125HPEC Instructions For Use Manual
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DeLonghi PAC AN125HPEC Instructions For Use Manual

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Frequently Asked Questions (17)

  • Why is my DeLonghi PAC AN125HPEC portable air conditioner leaking water?

    When the alarm light (M) comes on, it means the tray under the appliance is full. To resolve this, empty the tray as described in the end-of-season operations section on page 14.

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  • Why is my DeLonghi PAC AN125HPEC air conditioner not cooling effectively?

    If your air conditioner works but does not cool the room effectively, the reasons and solutions are:

    • Windows opened: Close all windows. Only the window where the appliance is installed can remain slightly opened.
    • The exhaust hose is detached: Connect the exhaust hose.
    • Air filter clogged: Clean or replace the filter.

    For more information, see page 16 of the manual.
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  • How do I reset my DeLonghi PAC AN125HPEC air conditioner?

    If the safety device incorporated in the plug trips and cuts off the power supply, first check that the power cable and plug are not damaged. If they are undamaged, to restore operation, press the "RESET" button on the plug.

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  • How do I drain water from my DeLonghi PAC AN125HPEC air conditioner?

    To drain all water from the circuit, remove the external cap by unscrewing it in the anti-clockwise direction. Then, remove the internal cap from the drainage on the back of the appliance and allow the water to drain into a basin. Once the appliance is empty, replace the caps.


    For more information, see page 15 of the manual.
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  • Why does my DeLonghi PAC AN125HPEC air conditioner keep turning off unexpectedly?

    If the air conditioner works for a short time only, the reasons and solutions are:

    • The air exhaust hose has a constriction: Position the air exhaust hose correctly.
    • The air exhaust hose is blocked: Check there are no obstacles obstructing air discharge.
    • There are bends in the air exhaust hose: Eliminate the bends.

    For more information, see page 16 of the manual.
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  • Why is my DeLonghi PAC AN125HPEC air conditioner not turning on?

    If your air conditioner does not come on, the reasons and solutions are:

    • There is no current: Plug into the mains socket.
    • The appliance is not plugged into the mains: Plug into the mains socket.
    • The safety device of the plug has tripped: Reset the plug safety device. If the problem persists, contact customer service.

    For more information, see page 16 of the manual.
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  • How to use the remote control for the DeLonghi PAC AN125HPEC air conditioner?

    To use the remote control, point it at the receiver on the air conditioner. Ensure the remote control is no more than 16,4 ft (5 metres) away from the appliance, without obstacles between them. Handle the remote control with extreme care, avoiding dropping it or exposing it to direct sunlight or heat sources.

    The remote control features the following buttons:

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  • How do I set up my DeLonghi PAC AN125HPEC air conditioner for first use?

    Before first use, ensure the air intake and outlet grilles are unobstructed. If the unit has been on its side, wait 6 hours (24 hours is recommended) before turning it on to allow oil to return to the compressor.

    For air-conditioning without installation:

    1. Screw the hose adaptor to the hose's end.
    2. Fit the air exhaust hose into the housing at the back of the appliance and ensure it is properly fixed.
    3. Screw the window outlet to the other end of the exhaust hose.
    4. Open the window.
    5. Place the window bracket in the window, extending it to fit the width.
    6. Place the air conditioner near the window and insert the assembled exhaust hose into the window bracket hole.
    7. Ensure the air exhaust hose is unobstructed.
    8. Keep the air hoses as short and free of curves as possible to avoid bottlenecks.

    For semi-permanent installation:

    • Drill a hole (ø134mm / 5.27 in.) in an outside wall or window pane, respecting the height and dimensions provided in figures F and G.
    • Fit the wall flange into the hole.
    • Screw the hose adaptor to the hose's end.
    • Fit the air exhaust hose into the housing at the back of the appliance.
    • Screw the wall mounting accessory into the hose and fit it into the wall flange.
    • When the hose is not fitted, the hole can be closed with the flange cap.
    • Leave a door slightly open (as little as 1 cm) to guarantee correct ventilation if installing semi-permanently.

    For French window installation:

    • After screwing the window outlet (17) into the air exhaust hose (12), open the French window slightly and position the window outlet as shown in figure E.
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  • How do I install the exhaust hose for the DeLonghi PAC AN125HPEC?

    For air-conditioning without installation:

    1. Screw the hose adaptor to the hose's end.
    2. Fit the air exhaust hose into the housing at the back of the appliance. Insert it as shown in figure A and ensure it is properly fixed by pulling lightly on the hose.
    3. Screw the window outlet to the other end of the exhaust hose.

    For semi-permanent installation:

    1. Drill a hole (ø134mm / 5.27 in.) in an outside wall or through a window pane, respecting the height and dimensions given in figures F and G.
    2. Fit the wall flange into the hole.
    3. Screw the hose adaptor to the hose's end.
    4. Fit the air exhaust hose into the housing at the back of the appliance as shown in figure A.
    5. Screw the wall mounting accessory into the hose and fit it into the wall flange as shown in figure I.

    For French window installation:

    • After screwing the window outlet (17) into the air exhaust hose (12), open the French window slightly and position the window outlet as shown in figure E.
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  • How do I clean my DeLonghi PAC AN125HPEC air conditioner?

    Before cleaning or maintenance, turn the appliance off by pressing the ON/OFF button (A) or, if using a remote control, the ON/OFF button (22), then always unplug the appliance from the mains socket.

    To clean the cabinet:

    • Clean the appliance with a slightly damp cloth and then dry with a dry cloth.
    • Never wash the air conditioner with water.
    • Do not use petrol, alcohol, solvents, or insecticide liquids.

    To clean the air purifying filters:

    • Clean the dust filter every week of operation.
    • The filter is housed in the intake grille. To clean, extract the filter.
    • Use a vacuum cleaner to remove dust from the filter.
    • If very dirty, immerse in warm water (not hotter than 104°F) and rinse multiple times.
    • After washing, allow the filter to dry before remounting it in its housing.

    For more information, see page 15 of the manual.
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  • How often should I clean the air filter in my DeLonghi PAC AN125HPEC?

    To keep your air conditioner working efficiently, you should clean the dust filter every week of operation.

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  • How do I change the temperature display from Celsius to Fahrenheit on my DeLonghi PAC AN125HPEC?

    To change the unit of measurement for the displayed temperature, press the increase and decrease temperature buttons together for 3 seconds.

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  • How do I set the timer function on my DeLonghi PAC AN125HPEC air conditioner?

    To set the timer to delay ON:

    1. Plug the appliance into the mains socket; it will be in STAND-BY.
    2. Press the timer button (D). The timer symbol (R) will appear.
    3. Use the increase (F) or decrease (C) buttons to set the number of hours delay before the appliance comes on, in steps of an hour. The appliance can be set to come on within the next 24 hours.

    To set the timer to delay OFF:

    1. Delay OFF can be programmed in any operating mode (air conditioning/fan/dehumidifying).
    2. Press the timer button (D). The timer on symbol (R) will appear.
    3. Use the increase (F) or decrease (C) buttons to set the number of hours delay before the appliance goes off, in steps of an hour. The appliance can be set to go off within the next 24 hours.

    To cancel a programmed timer:

    • Press the timer button (D) again.
    • Pressing the ON/OFF button (A) will also cancel the timer program and turn the air conditioner on immediately in the selected mode.

    For more information, see page 11 of the manual.
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  • What does it mean when my DeLonghi PAC AN125HPEC air conditioner is flashing HL?

    When the appliance displays "HI", it means the room temperature is too high.

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  • What does it mean when my DeLonghi PAC AN125HPEC air conditioner is flashing LE?

    When the appliance displays "LE", it means the room temperature is too low.

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  • What are the different operating modes available on the DeLonghi PAC AN125HPEC air conditioner?

    The DeLonghi PAC AN125HPEC air conditioner has the following operating modes, selected by pressing the MODE button (B):

    • Air conditioning (symbol G): Ideal for hot, muggy weather to cool and dehumidify.
    • Dehumidifying (symbol H): Ideal to reduce room humidity (spring, autumn, damp rooms, rainy periods).
    • Heating (symbol I): Ideal for spring and autumn when outdoor temperatures are not severe.
    • Fan (symbol L): Operates as a fan only, without requiring the air exhaust hose to be attached.

    For more information, see pages 10 and 12 of the manual.
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  • How do I turn on my DeLonghi PAC AN125HPEC air conditioner?

    To turn on the air conditioner, first plug the appliance into the mains. Then, press the ON/OFF button (A) on the control panel. If using the remote control, press the ON/OFF button (22).

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Questions and answers

Bobby Kemp
April 2, 2025

When plugging the unit into a wall outlet, turning the unit on will trip the breaker. any suggestions?

0
1 comments:
Mr. Anderson
April 2, 2025

The DeLonghi PAC AN125HPEC may trip the breaker when turned on due to a bad component shorting to ground. Most commonly, this is caused by a failed compressor with electrically damaged windings. Other possible causes include a shorted condensing fan motor or evaporator fan motor. A faulty 55 microfarad capacitor could also affect the compressor, but this typically prevents it from running rather than tripping the breaker.

This answer is automatically generated

0
Deb
September 20, 2025

The machine feels warm to the touch and like a little warm air is coming from back of unit but does not show that machine is turned on. How do I know it’s turned off ? I feel out of control of this unit.thnx!

0
Denise
September 6, 2025

How do I empty the water?

0
Oswald Brown
August 26, 2025

how do i get a remote for my appliance

0

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Summary of Contents for DeLonghi PAC AN125HPEC

  • Page 1 5715111181_00/ 11.12...

  • Page 2: Portable Air Conditioner

    PORTABLE AIR CONDITIONER Instructions for use PAC AN125HPEC Keep these instructions Visit www.delonghiregistration.com Electrical Specifications to register your product online 115 V~ 60 Hz 10,8 A Visit www.delonghi.com for a list of service centers near you...
  • Page 4 Description ACCESSORIES...
  • Page 5 I m p o r t a n t s a f e g u a rd s • Use this appliance only as described in this instruction manual. As with any electrical appliance, the instructions aim to cover as many situations as possible.

  • Page 6: Electrical Connections

    Pre p a r i n g f o r u s e DESCRIPTION air exhaust hose 1 air outlet grille hose adaptor 2 control panel accessory for wall mounting 3 handles window bracket with pins 4 castors additional window bracket 5 filter window outlet 6 evaporator air intake grille...

  • Page 7: Semi-Permanent Installation

    Pre p a r i n g f o r u s e then fix the bracket by using the locking pin provided. When extracting the win- dow bracket and joining the two pieces pay attention you do not cover the hole. Keep the air hoses as short and free of curves as possible to avoid bottlenecks.
  • Page 8 Pre p a r i n g f o r u s e When the hose is not fitted, the hole can be closed with the flange cap NOTE: When installing the air conditioner semi-permanently, you should leave a door slightly open (as little as 1 cm) to guarantee correct ventilation.

  • Page 9: The Control Panel

    Control panel THE CONTROL PANEL °C °F DESCRIPTION OF THE CONTROL PANEL A ON /OFF button B MODE selection button Air conditioning, dehumidifying, heating, fan C Reduce temperature/programme mode time button D Timer button E Fan speed button (MAX/MED/MIN) F Increase temperature/programme mode time button G Air conditioning symbol H Dehumidifying symbol Heating symbol...

  • Page 10: Operation

    Operation Before plugging the appliance check: the caps on the back of the unit are correctly inserted and screwed on the drai- nage TURNING THE APPLIANCE ON Plug the appliance into the mains. Two lines appear on the display indicating that the appliance is in stand-by. Press the button (A).

  • Page 11: Setting The Timer

    Setting the timer SETTING THE TIMER The timer can be used to delay when the appliance comes on or goes off. This avoids wasting electricity by optimising opera- ting periods. How to programme delay ON • Plug the appliance into the mains socket. It will be in STAND- •...

  • Page 12: Heating Mode

    Operation NOTE: In this mode, with room temperature above 77 degree F, the fan speed is adjustable. If the temperature is below, fan speed is selected automatically by the appliance and cannot be set manually. HEATING MODE This is ideal in spring and autumn when outdoor temperatures are not particularly severe.

  • Page 13: Using The Remote Control Unit

    Using the remote control unit DESCRIPTION OF THE REMOTE CONTROL 22) "ON/OFF" button 23) Temperature decrease/increase and programme mode button 24) "MODE" button 25) "TIMER" button 26) °F/°C switching button 27) Fan speed button (MAX/MED/MIN) Replacing the batteries • Remove the cover on the back of the remote control;...
  • Page 14 T i p s To get the best from your air conditioner, fol- • Never use the appliance in very damp low these recommendations: rooms (laundries for example). • Never use the appliance outdoors. • close the doors and windows of the room to be air conditioned.

  • Page 15: Cleaning The Cabinet

    C l e a n i n g Before cleaning or maintenance, turn the START OF SEASON CHECKS Make sure the power cable and plug are appliance off by pressing the ON/OFF button (A) or in models with remote control, by pressing the undamaged and the earth system is efficient.

  • Page 16: Troubleshooting

    Troubleshooting PROBLEM CAUSE REMEDY The air conditioner • there is no current • the appliance is not plugged into the mains • plug into the mains socket does not come on • the safety device of the plug has • reset the plug safety device, if tripped.

  • Page 17: Technical Specification

    Technical specification TECHNICAL CHARACTERISTICS: LIMIT CONDITIONS Power supply voltage see rating plate Max. power input during air conditioning “ Room temperature for air conditioning 70 ÷ 95°F Max. power input during heating “ Refrigerant “ Room temperature for Cooling capacity “...

  • Page 18: Limited Warranty

    If repairs become necessary, see contact information below: U.S. Residents: Please contact our toll free hotline at 1-800-322-3848 or log onto our website at www.delonghi.com CANADA Residents: Please contact our toll free hotline at 1-888-335-6644 or log onto our website at www.delonghi.com...

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