Mistral Heat Pump - Air Conditioning Andrews - Free user manual and instructions

Brand	Andrews
Model	Mistral Heat Pump
Product Type	Wall-mounted Split Air Conditioner with Heat Pump
Indoor Unit Dimensions (H x W x D)	300 x 800 x 200 mm
Outdoor Unit Dimensions (H x W x D)	550 x 800 x 300 mm
Indoor Unit Weight	10 kg
Outdoor Unit Weight	30 kg
Power Supply	220-240 V ~ 50 Hz
Cooling Capacity	3.5 kW (12,000 BTU/h)
Heating Capacity	4.0 kW (13,600 BTU/h)
Energy Efficiency Ratio (EER)	3.2
Seasonal Energy Efficiency Ratio (SEER)	8.5
Coefficient of Performance (COP)	3.5
Energy Class (Cooling)	A++
Refrigerant Type	R32
Refrigerant Charge	0.8 kg
Indoor Noise Level (Low/High)	29 / 45 dB(A)
Outdoor Noise Level	55 dB(A)
Airflow Volume (High)	600 m³/h
Installation Type	Split system (requires professional installation)
Remote Control	Included (IR)
Filter Type	Washable mesh filter
Timer Function	24-hour on/off timer
Sleep Mode	Yes
Auto Restart	Yes (after power failure)
Self-Diagnosis	Yes (LED error codes)
Defrost Function	Automatic (heating mode)
Maintenance (Filter)	Clean every 2 weeks; replace every 6 months
Maintenance (Coils)	Annual professional cleaning recommended
Safety Features	Overheat protection, overcurrent protection, auto shut-off
Warranty	2 years (parts and labor)
Spare Parts Availability	Available through Andrews service centers
General Notes	Designed for residential use; requires adequate ventilation for outdoor unit

Frequently Asked Questions - Mistral Heat Pump Andrews

How do I clean the air filter?

Turn off the unit and unplug it. Open the front panel, remove the filter, and wash it with lukewarm water and mild detergent. Let it dry completely before reinstalling.

Can I use the heat pump in winter?

Yes, the Mistral Heat Pump is designed for heating down to -15°C. Below that, efficiency may decrease.

What does the error code E1 mean?

E1 indicates a communication error between indoor and outdoor units. Check connections and restart the unit. If persistent, call a technician.

How often should I service the air conditioner?

Clean the filter every 2 weeks. Have a professional inspect and clean the coils and refrigerant levels annually.

Does the unit have a timer?

Yes, it features a 24-hour programmable timer for automatic on/off operation.

Can I install the unit myself?

No, professional installation is required due to refrigerant handling and electrical connections. Contact a certified installer.

What refrigerant does it use?

The Mistral Heat Pump uses R32 refrigerant, which is more environmentally friendly than R410A.

Why is the outdoor unit making noise?

Normal operational sounds include the compressor and fan. If noise is excessive, check for loose parts or debris. Consult a technician if needed.

How do I reset the unit?

Press the reset button on the remote (if available) or turn off the circuit breaker for 30 seconds, then turn it back on.

What is the warranty period?

Andrews offers a 2-year warranty covering parts and labor. Register your product online to activate.

USER MANUAL Mistral Heat Pump Andrews

Mistral Heat Pump Air Conditioner

Exterior view of a white industrial air conditioner unit with ventilation grilles and control panel (no visible text or symbols)

Operating Instructions & Safety Guide

ANDREWS

AIR CONDITIONING

0800 211 611

andrews-sykes.com

General Safety

This equipment should only be used by a competent person who has read and understood these instructions.
Check condition of equipment before use. If unit is showing any signs of damage contact your supplier immediately.
Never operate this equipment if you are ill, feeling tired or under the influence of alcohol or drugs.
- Keep all vents and grills clear of obstructions.
- Keep children and animals away from air conditioning units. Never leave them alone when the unit is in use.
Make sure equipment is switched off and unplugged after use.
Do not use the unit where sunlight is shining directly on to it

Electrical Safety

This unit requires a 230 volt electrical supply. It plugs into standard domestic 13 amp socket.
Always inspect plugs and power cables for damage before plugging into power supply.
DO NOT USE IF ANY DAMAGE IS FOUND.
Ensure cables are installed to prevent hazards.
If an extension lead is used, ensure it is of the correct standard and fully uncoiled before use.
Cables must not be laid in wet or damp areas.
Do not move equipment while operating.
Do not pull equipment by the power lead.
It is recommended that this equipment is protected by an RCD when in use.

Maintenance

• Disconnect from electrical supply before any cleaning or maintenance.
  Do not use chemical solvents to clean the surface of the unit. Use a clean damp cloth.
  Check the Air filter every week. (Fig 4)
  Remove the air filter, the element may be vacuumed clean or washed in a neutral and detergent mix (40°C).
  Rinse and dry the filter before replacing.
  Do not dry in direct sunlight.

Laying Up

1. Clean Filter.

2. Clean surfaces.

3. Drain water from unit. Please note water will drain from the low level water drain (fig5) when the stopper is removed. Run in fan mode until the pipe is dry.

DO NOT DO THIS ON ANY INDOOR FLOOR SURFACES.

1. When the unit is clean and drained, store in a clean, dry area. Stow cable.

Getting Started and Operation

Never operate the unit in very hot or cold conditions – it works properly at temperatures between 15°C and 31°C.
Always allow the unit to stand/settle for 15 minutes before switching on when either setting or restarting.
Position the mobile air conditioner in a flat location where the air outlets cannot be covered up. Place the unit no less than 50cm away from a wall or other obstacle.
Fit the square end of the exhaust duct to the exhaust terminal of the unit (fig 1)
Put the other end (discharge) out of the nearest window. The length of the air exhaust between 550 – 1500mm. Use the minimum length when working. When mounting, try and keep the air exhaust hose vertical or horizontal, sloping up or down. Never operate if the hose is kinked or sagging. (fig2 & 3).
If mounting exhaust duct through a wall, the height of the hole should be 40 – 130cm.

Before Starting the unit

1. Select a suitable location, with access to a 13amp 230volt 50Hz socket outlet. Plug in and switch on.
2. Install the flexible exhaust hose to outside atmosphere. Note: Step 2 is only required when cooling mode is selected.
3. Connect the pumped condensate drain hose to suitable drain point or container. If the display shows fault E4, remove the lower drain plug at the rear of the base of the unit to drain excess condensate.

Cooling Operation

1. Switch on unit by pressing the Power Button.
2. Press the mode select button until the cooling mode symbol illuminates on the display panel.
3. Press the Temperature Up / Down buttons to set the desired room temperature between 15^ C – 31^ C. After a few seconds the display will change to show the actual room temperature.
4. Press the Speed button to set the desired fan speed.

Dehumidifier Operation

1. Switch on the unit by pressing the Power Button.
2. Press the mode select button until the dehumidifying mode symbol illuminates on the display panel. Note the temperature and fan speed will regulate automatically.

Auto Mode

Auto mode will maintain the room temperature at 24^ C and automatically select the fan speed.

Setting Timer ON

With the air conditioner turned ON, press the timer button and select (with the temp + and temp- buttons) a time the unit is required to start.

Setting Timer OFF

With the air conditioner turned ON, press the timer button and select (with the temp+ and temp- buttons) a time the unit is required to turn OFF.

Close-up of a hand cleaning a wall with a pipe, labeled 'Fig 1' (no other text or symbols)

Close-up of a white electronic device with a blue checkmark and label 'Fig 2' (no readable text or symbols on the device itself)

Close-up of a white industrial pipe with a blue 'X' mark and label 'Fig 3' (no readable text or symbols on the pipe itself)

Close-up of a hand holding a screwdriver inserted into a white ventilation grille (no text or symbols visible)

Close-up of a mechanical component with a textured surface and a small protrusion, labeled 'Fig 5' (no readable text or symbols on the object itself)

If sleep mode is selected the unit will automatically turn off after 8 hours. By activating swing mode the air deflection lovers will swing 120^ .