Arfit ECOEVO HE EC User manual
www.arfit.pt
R. Domingos Ferreira da Costa nº 280 - Z.I. da Maia I, Sector VIII 4475-297 Gemunde Maia
T 223 797 631 F 223 720 231 E geral@feiocomp.pt
Recovery Units HE EC
Instructions Manual
ECOEVO HE EC
Quality Management System certified according to the Norm ISO 9001:2008 by TÜV Rheinland Portugal.
ASSEMBLY AND MAINTENANCE
Unit Configurations
Like any equipment, ECOEVO EC air handling units must be installed correctly and maintained in order
to guarantee their proper functioning throughout the equipment's life cycle. The following
recommendations should be followed if they are valid to the equipment acquired.
Warnings
The power supply system to which the appliance is connected must comply with current standards.
The appliance must be correctly connected to an efficient ground connection, as stated in current
electricity safety regulations. If you have any doubts, please request ask a qualified professional to
perform a network control.
The appliance should only be installed and used accordingto current regulations and to the purpose
for which it was designed. Install it or use it for different purposes or unrecognized accessories may
be dangerous.
The manufacturer is not liable for damages resulting from improper assembly, use or maintenance
of the products nor for repairs carried out by non-qualified persons.
Never use the unit to support other equipment.
Before openingthe unit door,make sureall electric parts have been switched off. Be speciallycareful
to check if the ventilator is switched off and cannot be accidentally activated.
Watch for sharp edges inside the unit.
Never climb nor walk on the unit.
It is mandatory to have a local switch-disconnecter in the unit.
Electric resistances must be interconnected to control devices that should prevent them from
working when the ventilator is not functioning, stop them if the security thermostat is activated and
guarantee a post-ventilation period when they are switched off to allow them to cool down.
Movable parts - Before conducting any intervention, make sure the ventilator is not functioning.
Start the equipment
Make sure there are no unrecognized parts inside the module.
Check if the turbineis turning freely and is not touching the volute of the ventilator or any other parts.
Check the belt tension. After the first working hours, check all these items again and adjust them if
necessary.
Check if the power supply characteristics are right for the engine used and make sure the equipment
is connected to an efficient ground connection.
The power supply of the engine should be that indicated in the engine instructions. Check if the
turbine is turning in the right direction.
After closing the access covers, check if engine's energy consumption matches that indicated in the
type plate. Warning: the absorbed intensity should never be higher than that indicated in the type
plate.
Check if there are no strange vibrations or noises.
In belt driven ventilators, the size of the motor pulley is variable, which allows the rotation speed of
the ventilator to be adjusted. Warning: any time there is a change in the ventilator's rotation speed,
check the engine's electric consumption.
Versión 12.0.17 - A ARFIT se reserva el derecho de modificar la información contenida en este catálogo sin previo aviso.
Version 16.01.17 - ARFIT is entitled to change the information in this document without prior notice.
CE DECLARATION OF CONFORMITY
ASSEMBLY AND MAINTENANCE
Air purification equipments need to be maintained periodically in order to perform their function correctly.
The time in which such maintenance should be performed depends on the environment in which the
equipment is inserted as well as the hours of operation. Thus, what is indicated below are mere
guidelines.
Fan
Operations to carry out:
Make sure there are no debris inside the section.
Check if all screws are bolted to avoid unnecessary vibrations.
Check the anti-vibratory supports.
If necessary, check if the bearings are clean and lubricated.
Check if the driving and motor pulley are aligned.
Check the tension and wear of the drive belts.
General interior cleaning
Maintenance frequency: Every 3 months
Filters
Operations to carry out:
Make sure there are no debris inside the section.
Check if all screws are bolted to avoid unnecessary vibrations.
Check if there are cuts in the filter mat.
Check the state and sludging of the filters (clean and replace them if necessary)
General interior cleaning
Maintenance frequency: Every month
Heat exchanger
Operations to carry out:
Make sure there are no debris inside the section.
Check if all screws are bolted to avoid unnecessary vibrations.
Check the state and cleaning of the exchanging element.
General interior cleaning
Maintenance frequency: Every 6 months
Water and direct expansion coils
Operations to carry out:
Make sure there are no debris inside the section.
Check if all screws are bolted to avoid unnecessary vibrations.
Check coil connections.
If necessary, check and carefully clean the coil fins in order not to damage them.
If there are deformed fins, these should be placed into their correct position with an adequate tool.
General interior cleaning
Maintenance frequency: Annual
Electric heating coil
Operations to carry out:
Make sure there are no debris inside the section.
Check if all screws are bolted to avoid unnecessary vibrations.
Check the connections. Replace cables and retrace connections if necessary.
General interior cleaning
Maintenance frequency: Every 6 months
TROUBLESHOOTING
EQUIPMENT WARRANTY
ARFIT offers a 2 (TWO) year warranty period against all manufacturing defects starting after the product
is bought.
Technical assistance during the warranty period will only be provided if a purchasing document proving
that the equipment is still under a warranty period is shown.
If, during the warranty period, there are issues caused bymanufacturing defects, ARFIT or its Authorized
Technical Services will repair the product, replace it or replace any defective parts in their own facilities
(at ARFIT's discretion) without charges, according to the following conditions.
ARTFIT is entitled (at its own discretion) to replace parts from defective or nominal value products by new
parts or products as well as recycled parts or products. This warranty only includes equipments and does
not undertake possible charges and losses resulting from the fact that the equipment does not function.
Thus, these cases are expressly excluded.
Warranty Exclusions
Normal wear parts.
Parts subjected to wear and tear or that may break. For instances, belts, filters, fuses, etc.
Failures caused by improper use, carelessness, neglect, atmospheric discharges, floods, humidity,
falls, shocks, accidents and transport.
Failures caused when using the equipment for purposes otherthan those for which it was designed.
Failures caused by unauthorized people or technical services while handling, altering or repairing
equipments or by the use of wrong parts or accessories.
Failures caused by an incorrect or illegal assemblage (voltage, water pressure or others), power
supply malfunctions, instructions not followed correctly.
Aesthetic wear and tear caused by use, tone changes, oxidation or corrosion in the appliance and
its parts.
Possible reparations do not extend the warranty period nor give the right to ask for a compensation.
Damages and losses suffered by the user as a consequence of a failure.
Possible reparations do not extend the warranty period nor give the right to ask for a compensation.
Warranty won't be valid when...
The type plate is tampered or adulterated.
False information is provided.
The equipment does not have a purchase document.
If the equipment is handled, altered or repaired by unauthorized persons or technical services.
If the verification/maintenance operations are not carried out or are carried out by unauthorized
technicians.
Issue
Possible Cause
Check
Possible Solution
The consumption of
the engine is too
high
Point of operation is not the
same as predicted;
Check flow and load
loss;
Reduce rotation speed;
Excessive flow;
Ventilator speed;
Create load loss in the
equipment;
Excessive air flow
Air distribution system,
underestimated load loss in
the equipment;
Check flow and load
loss;
Reduce rotation speed;
Ventilator speed;
Create load loss in the
equipment;
Insufficient air flow
Air distribution system,
underestimated load loss in
the equipment;
Check flow and load
loss;
Increase rotation speed
(according to the engine's
available power and the
ventilator's maximum
speed);
Ventilator speed;
Excessive noise
Too much flow, flow speed
too high;
Check flow and load
loss;
Decrease flow;
Load loss is too high;
Avoid unstable working
areas in the ventilator;
Damaged bearings,
damaged metal parts;
Bearings, state of
beatings;
Replace bearings, damaged
parts;
Unbalanced moving parts;
Strange vibrations;
Calibrate ventilator;
Note:
Please keep in mind that the air conditioning units are integrated into a general system. Because
of this, malfunctions may be caused by other parts of the system, there may be a wrong
interaction between the unit andthe system or theenvironmental conditions may not bethe same
specified in the unit project.
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