Ariston Nuos Split Flex 200L, Manual

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Heat pump water heater – OPERATING AND MAINTENANCE INSTRUCTIONS
55
electrical
resistance Problems with the heat pump circuit Make sure that there are no errors on the display
Are not yet past 8 days by:
-First Time instalation.
-change of the parameter Time-W.
-No power from mains in absence of
batteries or exhausted batteries.
P7 parameter set to OFF and outside air
temperature below 10 °C
Set parameter P7 ON
Insufficient flow
of hot water Leaks or obstructions by the water
circuit
Verify that there are no leaks along the circuit, check
the integrity of the the deflector pipe the integrity of incoming cold water
pipe and hot water pipe
Overflowing
water by the the
safety valve
A drip of water by the device should be
considered normal during the heating
If you want to avoid the drip, install an expansion vessel on the plant supply.
If leakage continues during the period of no heating, check the calibration of
the device and the pressure of the water network. Caution: Do not obstruct
the hole for evacuation of the device!
Increase of the
noise of the
outdoor unit
(heat pump)
Presence of obstructive elements inside
Check the components in movement, clean the fan and the other parts who
can generate noise or vibrations
Components vibration Check the components fixed with screws, be sure that the screws are tight.
Problems of
visualization or
display off
Damage or disconnection of the wiring
connecting electronic board and
interface board
Check the integrity of the connection, check the operation of electronic
boards
No power from mains in absence of
batteries or exhausted batteries. Check if there is electric mains supply and check the conditions of the
batteries
Bad odor
coming from the
the product
Absence of a siphon or siphon empty Provide a siphon, with the proper quantity of water.
Abnormal or
excessive
consumption
than expected
Loss or partial obstruction of the gas
refrigerant circuit
Visually verify that the connecting pipes and taps aren’t damaged.
Start the product in heat pump mode, use a for R134a leak detector to
check for leaks
Bad environmental conditions or
improper installation
Partially clogged evaporator
Incorrect installation
Other Contact the technical support
8.4 Routine maintenance performed by users
It is advisable to rinse out the appliance after each routine or extraordinary maintenance intervention.
The pressure safety device must be operated regularly to verify that it is not clogged and to remove any
limescale deposits.
Check that the condensate drainage pipe is not obstructed. In case of using, the batteries must be replaced every year
or in case of losses. Make sure that they are correctly disposed of and exclusively replace them with
3 AA-type
rechargeable batteries (minimum 2100 mAh) ; observe the polarities as illustrated in the battery housing. The battery
housing is located beneath the frame, to the right of the interface. The appliance should be unplugged when you
remove the batteries.
8.5 Water heater disposal
The appliance contains R134a-type refrigerant gas which must not be released into the atmosphere. In case of
permanent decommissioning of the water heater, ensure that disposal procedures are carried out by qualified personnel
only.
This product conforms to WEEE Directive 2012/19/EU.
The barred bin symbol on the appliance and its packaging indicates that the product must be scrapped separately from
other waste at the end of its service life. The user must therefore hand the equipment over to a sorted waste disposal
facility for electro-technical and electronic equipment at the end of its service life. Alternatively, the equipment may be
returned to the retailer at the time of purchase of a new equivalent type of appliance. Electronic equipment of size less
than 25 cm can be handed over to any electronics equipment retailer whose sales area is at least 400 m2 for disposal free of charge and
without any obligation to purchase new product. Sorted waste collection for recycling, treatment and environmentally compatible
scrapping contributes to the prevention of damage to the environment and promotes reuse/recycling. For more detailed information on
the collection systems available, contact the local waste disposal service or the shop where the product was purchased. This appliance
includes rechargeable batteries: these must be removed before disposing of the appliance and placed in specific disposal containers.
The batteries are located in figures 1 and 2.