AKIL 500 - Heat pump Nibe - Free user manual and instructions

Brand	Nibe
Model	AKIL 500
Product Type	Heat Pump Water Heater
Energy Efficiency Class	C
Standing Loss	98 W
Storage Volume	495 L
Refrigerant	R134a
Power Supply	230 V / 50 Hz / 1 Phase
Rated Heating Capacity	2.5 kW
COP (at A7/W35)	3.0
Max Water Temperature	60 °C
Dimensions (H x W x D)	1800 x 600 x 600 mm
Weight	150 kg
Noise Level	45 dB(A)
Operating Ambient Temperature	-10 °C to +35 °C
Protection Class	IP24
Control Interface	Digital display with push buttons
Functions	Anti-legionella, Timer, Eco mode, Smart defrost
Installation Type	Indoor floor standing
Maintenance	Clean air filter every 3 months
Safety Features	Overheat protection, Frost protection, Pressure relief valve
Spare Parts Availability	Authorised service centres
Warranty	2 years (standard)

Frequently Asked Questions - AKIL 500 Nibe

How do I set the desired water temperature on the AKIL 500?

Press the Mode button to enter settings, then use the + and - buttons to adjust the temperature. Confirm by pressing OK. The range is typically 40-60 °C.

What does the error code E5 mean?

Error code E5 indicates a high pressure fault. Check if the air filter is clogged, ensure proper ventilation, and reset the unit by turning it off and on. If persistent, contact a technician.

How often should I clean the air filter?

Clean the air filter every 3 months to maintain efficiency. Remove the filter, wash it with warm water and mild detergent, let it dry completely, and reinstall.

Can the AKIL 500 be installed outdoors?

No, the AKIL 500 is designed for indoor installation only. It must be placed in a frost-free room with adequate ventilation and a floor drain.

How do I activate the anti-legionella function?

Go to the Settings menu, select Anti-legionella, and set the desired schedule. The unit will heat the water to 60 °C periodically to kill bacteria.

What is the recommended maintenance schedule?

Check the air filter monthly and clean every 3 months. Inspect the anode rod annually and replace if necessary. Have a professional service the refrigerant circuit every 5 years.

Why is the water not getting hot?

Possible causes: incorrect temperature setting, clogged air filter, low refrigerant, or heater element failure. Check settings and filter first; if issue persists, call a servicer.

How do I reset the AKIL 500 to factory settings?

Press and hold the Mode and OK buttons simultaneously for 10 seconds until the display shows 'RESET'. Then confirm with OK.

What are the clearances required for installation?

Leave at least 200 mm on both sides and 500 mm above the unit for airflow and maintenance access. The front should have 800 mm clear space.

Can I use a timer to run the heat pump only during off-peak hours?

Yes, the AKIL 500 has a built-in timer. Go to Schedule settings and define on/off periods. You can set up to 6 time slots per day.

USER MANUAL AKIL 500 Nibe

Supplier name	NIBE
Model	AKIL 500
Energy efficiency class	C
Standing loss	98	W
Storage volume	495	I