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Installation, Operation and Maintenance Manual / 

ARIA2-IOM-1910-E

PREMISE

This installation and maintenance manual must always accompany 
the air handling units, so that it can be consulted by the installer 
or by the user when needed. Installation should be carried out in 
compliance with local regulations in each country, according to the 
instructions of the manufacturer or qualifi ed personnel specialized 
in his profession. Incorrect installation of the unit may cause 
damage to people, animals or things for which the manufacturer 
cannot be held responsible. The unit’s installation and connection 
to the electricity network must be performed by qualifi ed personnel. 
Before any intervention is necessary to verify that the device is 
disconnected from the power grid. Consult this instruction manual 
before installation.

WARNINGS

The use of this device is easy, however it is important to read this 
manual thoroughly before using it for the fi rst time. This way you 
can:

Use the equipment safely;

Obtain best performance;

Ensure correct behavior;

Respect the enviroment.

-  Do not allow children and unassisted disabled persons to 

operate the appliance.

Do not touch the appliance when barefoot or with wet or damp 
parts of the body.

-  Do not pull, detach or twist any electrical cables, even when 

disconnected from the power network.

-  Do not open doors or panels providing access to the interior 

of the unit without having fi rst put the system switch to “off.”

-  Do not introduce pointed objects through the air intake grills 

and air delivery.

-  Do not dispose of, abandon or leave within reach of children 

packaging materials (maps, staples, plastic bags, etc.) as it 
can be dangerous.

Do not spray or pour water directly on the unit.

-  Do not use the appliance in places with suspended dust, 

or in potentially explosive atmospheres, in environments 
with presence of oil in suspension, high humidity or in the 
presence of particularly aggressive atmospheres.

-  Do not cover the appliance with objects or drapes that even 

partially obstruct the air fl ow.

The device operates with electric power to the mains voltage (230 
V AC, 50Hz). Please keep in mind that mains voltage is potentially 
dangerous and that any device connected to it must be used care-
fully. Before working on the appliance, unplug it from the mains 
(pull the power plug or isolating the supply line by switching off the 
main switch). If the unit is not used for long periods make sure that 
the controls are in the O (off). Should the unit off during winter with 
temperatures close to zero, empty the system and make sure that 
the heat exchanger unit is completely free of water to avoid the risk 
of ice formation and subsequent collapse. If the appliance must be 
put permanently out of service, disconnect it permanently from the 
mains. Any tampering or modifi cation will result in immediate ex-
clusion of warranty. In case of failure, never try to repair the unit by 
yourself; seek advice from a qualifi ed technician. Repairs carried 
out by inexperienced persons may cause damage or
accidents. Always keep the appliance clean, especially clean the 
air fi lter periodically (at least once a month).

THE MANUFACTURER DECLINES ALL RESPONSIBILITY IF 
THE INSTALLATION INSTRUCTIONS PROVIDED IN THIS 
MANUAL ARE NOT OBSERVED. INCORRECT INSTALLATION 
COULD LEAD TO POOR PERFORMANCE AND / OR FAILURE 
OF THIS PRODUCT. IT COULD ALSO BE A SOURCE OF RISK 
TO THE USER.

IDENTIFICATION DEVICE

The air handling units are equipped with an identifi cation plate that 
reports:

- Address of the Manufacturer; 

- Power supply voltage in "V";

- Marking "CE"; 

- Power supply frequency in “Hz”;

- Model; 

- Number of phases indicated 
with “Ph”;

- Batch number; 

- Cooling capacity in “W”;

- Date of production; 

- Sensible cooling capacity in “W”;

- Current consumption in "A"; 

- Thermal power.

- Power consumption in "W";

TRANSPORT, RECEIPT, 
HANDLING 

The packaging must remain intact until the time of installation. For 
handling, depending on the weight, use appropriate means as 
required by Directive 89/391 / EEC, as amended. Upon receipt 
of the unit Please make an all-party control, in order to verify that 
the transport did not cause damage. Any breakages present must 
be communicated to the carrier, adding the saving clause on the 
transport document, specifying the type of damage. For prolonged 
storage keep the machines protected from dust and away from 
sources of heat and vibration.

THE MANUFACTURER ACCEPTS NO RESPONSIBILITY FOR 
DAMAGE DUE TO MISHANDLING, OR LACK OF PROTECTION 
FROM WEATHER CONDITIONS.

Summary of Contents for ARIA 2

Page 1: ...www lennoxemea com INSTALLATION OPERATING AND MAINTENANCE ARIA2 IOM 1910 E DUCTABLE FANCOIL ARIA 2 1 3 6 6 kW...

Page 2: ...mets Spigot outside air intake Additional condensate drain pan Changing filters Plenum and suction to change the air flow Air curtain kit spigot removal Water connections Electrical connections Connec...

Page 3: ...that mains voltage is potentially dangerous and that any device connected to it must be used care fully Before working on the appliance unplug it from the mains pull the power plug or isolating the s...

Page 4: ...ce Manual ARIA2 IOM 1910 E GENERAL SIZE UNIT GENERAL SIZE UNIT NOMENCLATURE WATER CONNECTIONS RIGHT LEFT WATER CONNECTIONS SAFETY REQUIREMENTS Do not leave packages loose during transport Do not expos...

Page 5: ...ACCESSORIES ACCESSORY 2 PIPES OCTAVE BAND Hz 4 PIPES ACOUSTIC ATTENUATION OPERATING LIMITS SUMMER COOLING Minimum temp Water inlet 4 C Maximum operating pressure 8 bar Maximum temp Ambient air 35 C Ma...

Page 6: ...e no obstructions to the air passage on the suction and discharge 3 The water connections have position size and spacing as required by the device 4 The system pressure does not exceed 8 bar for the w...

Page 7: ...stallation Operation and Maintenance Manual ARIA2 IOM 1910 E ADDITIONAL CONDENSATE DRAIN PAN AIR CURTAIN KIT SPIGOT REMOVAL CHANGING FILTERS PLENUM AND SUCTION TO CHANGE THE AIR FLOW Discharge plenum...

Page 8: ...ine must be equipped with disconnect switch in compliance with European standard EN60947 3 Make sure the electrical system is capable of providing not only the working current required but also the cu...

Page 9: ...ective conductor Yellow Green L Phase Black N Neutral Blue A1 Electronic control M1 Fan motor KA1 Relay R1 Electric heater ST1 Safety thermostat automatic switch ST2 Safety thermostat manual switch XA...

Page 10: ...LEGEND PE Protective conductor Yellow Green L Phase Black N Neutral Blue A1 Electronic control M1 Fan motor XA1 Terminal board YV1 Cool water valve actuator YV2 Heat water valve actuator LEGEND PE Pro...

Page 11: ...ipment and in particular the tightening of electrical connections Check the tightness of all the bolts nuts and whatever else can be loosened by the constant vibration of the unit Check that the motor...

Page 12: ...0 LENNOX DISTRIBUTION 33 4 72 23 20 20 www lennoxemea com ARIA2 IOM 1910 E Due to LENNOX EMEA ongoing commitment to quality the specifications ratings and dimensions are subject to change without noti...

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