Omega OTEC ERVR Series User manual

ERVR Series
Mini-Split Energy Recovery Ventilator
Service Manual

CONTENT
1. Safety Requirements ....................................................................................1
2. Maintenance ...............................................................................................3
Troubleshooting........ ................................................................................5
3.Storage and Transporation Rules.............................................................4
4.

Safety Precautions
1. Safety Precautions
• Read the user’s manual carefully before the operation and installation of the heat recovery
ventilator AA-TTW6
• Installation and operation of the ventilator shall be performed in accordance with the present user’s
manual as well as the provisions of all the applicable local and national construction, electrical and
technical codes and standards.
• The warnings contained in the present user’s manual must be considered seriously since they
contain vital personal safety information.
• Failure to follow the safety regulations may result in an injury or ventilator damage.
• Read the manual carefully and keep it as long as you use the ventilator.
• While transferring the ventilator control the user’s manual must be turned over to the receiving
operator.
SAFTY REQUIREMENTS
WARNING!
DO NOT!
SYMBOL LEGEND USED IN THE MANUAL: VENTILATOR MOUNTING SAFETY PRECAUTIONS
The ventilator must be
disconnected from the
power supply prior to every
installation or repair
operation.
The ventilator
must not be operated
outside
the temperature range
stated in the user’s manual
or in aggressive or
explosive environments.
Do not position any
heating devices or other
equipment in close
proximity to the ventilator
power cord.

Safety Precautions
1. Safety Precautions
Do not use damaged
equipment or conductors
to connect the ventilator to
power mains.
While installing the
ventilator follow the
safety regulations
specific to the use of
electric tools.
Unpack the ventilator
with care.
Use the ventilator only as
intended by the
manufacturer.
Do not wash the
ventilator with water.
Protect the ventilator
electric parts from water
ingress.
Do not block the
air duct when the
ventilator is on.
Disconnect the
ventilator from power
supply before
maintenance.
Do not damage
the power cable while
operating the ventilator.
Do not put any objects
on the power cable.
Keep explosive and
inflammable products
away of the ventilator.
Do not open the
operating ventilator.
Do not let air flow from
the ventilator be directed
to the open flame devices
or candles.
Do not touch the controller
or the remote control with
wet hands. Do not carry
out the ventilator
maintenance with wet
hands.
Do not let children
operate the ventilator.
VENTILATOR MOUNTING SAFETY PRECAUTIONS

Maintenance
2. MAINTENANCE
DISCONNECT THE VENTILATOR
FROM POWER SUPPLY PRIOR TO
ANY MAINTENCE OPERATIONS.
Maintenance of the ventilator means regular
cleaning of the ventilator surfaces of dust and
cleaning or replacement of the filters.
Loose the nut and pull the ventilator to remove.
Clean the impeller blades. To remove dust use a
soft brush, doth or a vacuum cleaner. Do not use
water abrasive detergents, solvents, sharp objects.
The impeller blades must be cleaned once in year.
Remove the air flow rectifier Remove the filter in
front of the regenerator.
Pull the exchanger cord to remove from the air
duct.
Be careful while pulling the Excharger
to avoid damage.
Remove the filter after the
exchanger.
1. Fan maintenance (once per year).
2. Regenerator and filter maintenance
(4 times per year).

Maintenance
Clean the filter as often as it gets dirty, but at least 3-4 times a year. Clean the filters,
let them get dry and install the dry filters inside the air duct Vacuum cleaning is
allowed. The filter rated service life is 3 years. Contact the Seller for spare filters.
Even regular technical maintenance may not completely prevent dirt
accumulation on the regenerator assemblies.
Subject the exchanger to regular cleaning to ensure high heat exchange
efficiency.
Clean the exchanger with a vacuum cleaner at least once in a year.
To reset the operating time meter indication, install the filters and the regenerator
into the ventilator and then press and hold the button for 10 sec until a long sound
signal.
3. STORAGE AND TRANSPORTATION RULES
Store the ventilator In the manufacturers original packing box in a dry
Storage environment must not contain aggressive vapours and chemical mixtures provoking
corrosion, insulation and sealing deformation .Use hoist machinery for handling and storage
operations to prevent the ventilator damage in consequence of failing or excessive oscillation. Fulfil
the handling requirements applicable for the applicable freight type.
Transportation with any vehicle type is allowed provided that the ventilator is protected
against mechanical and weather damage.
Avoid any mechanical shocks and strokes during handling operations.

Troubleshooting
48
4.TROUBLESHOOTING
Possible faults and troubleshooting
Fault Possible reasons Fault handling
The fan does not
Start up during the
Ventilator start-up.
No power supply.
Make sure that the ventilator properly connected
to the Power mains and make any corrections, if
necessary.
Motor is jammed, the
impellers are clogged.
Turn the ventilator off. Troubleshoot the motor
jam and the impeller dogging. Clean the blades.
Restart the ventilator.
Low air flow.
Low set fan speed. Set higher speed.
The filter, the fan or
the exchanger are
dirty.
Clean or replace the filter, clean the fan
and the exchanger. For the exchanger
and the filter maintenance, refer to page
XX.
High noise,
vibration.
The impeller is Soiled. Clean the impeller.
Loose screw Connection
of the ventilator casing
or the ventilation hood. Tighten the screws of the ventilator or the
outer ventilation hood.

OMEGA Service Manual
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