Vents TT PRO Series User manual

INLINE MIXEDFLOW FANS
User’s manual
www.vents-us.com
TT PRO
EN

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CONTENTS
Delivery set................................................................................................................................................................................................................7
Brief description .....................................................................................................................................................................................................7
Operation guidelines ..........................................................................................................................................................................................8
Installation .................................................................................................................................................................................................................8
Technical maintenance......................................................................................................................................................................................9
Storage and transportation regulations..................................................................................................................................................10
Manufacturer’s warranty...................................................................................................................................................................................11
This user’s manual is a main operating document intended for technical, maintenance, and operating staff.
The manual contains information about purpose, technical details, operating principle, design, and installation
of the TT PRO unit and all its modifications.
Technical and maintenance staff must have theoretical and practical training in the field of ventilation systems
and should be able to work in accordance with workplace safety rules as well as construction norms and
standards applicable in the territory of the country.

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All user’s manual requirements as well as the provisions of all the
applicable local and national construction, electrical, and technical
norms and standards must be observed when installing and
operating the unit.
Disconnect the unit from the power supply prior to any connection,
servicing, maintenance, and repair operations.
Only qualied electricians with a work permit for electrical units
up to 1000 V are allowed for installation and maintenance. The
present user’s manual should be carefully read before beginning
works.
Check the unit for any visible damage of the impeller, the casing, and
the grille before starting installation. The casing internals must be free
of any foreign objects that can damage the impeller blades.
While mounting the unit, avoid compression of the casing!
Deformation of the casing may result in motor jam and excessive
noise.
Misuse of the unit and any unauthorised modifications are not
allowed.

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Do not expose the device to adverse atmospheric agents (rain, sun,
etc.).
Transported air must not contain any dust or other solid impurities,
sticky substances, or fibrous materials.
Do not use the unit in a hazardous or explosive environment
containing spirits, gasoline, insecticides, etc.
Do not close or block the intake or extract vents in order to ensure the
efficient air flow.
Do not sit on the unit and do not put objects on it.
The information in this user’s manual was correct at the time of the
document’s preparation.
The Company reserves the right to modify the technical
characteristics, design, or configuration of its products at any time in
order to incorporate the latest technological developments.
Never touch the unit with wet or damp hands.
Never touch the unit when barefoot.

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This appliance is not intended for use by persons (including children)
with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a person
responsible for their safety.
Children should be supervised to ensure that they do not play with
the appliance.
If the supply cord is damaged, it must be replaced by the
manufacturer, its service agent, or similarly qualified persons in order
to avoid a safety hazard.
If the cord set is damaged, it must be replaced by a special cord set
available from the manufacturer or its service agent.

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THE PRODUCT MUST BE DISPOSED SEPARATELY AT THE END OF ITS SERVICE LIFE.
DO NOT DISPOSE THE UNIT AS UNSORTED DOMESTIC WASTE.
CAUTION: In order to avoid a safety hazard due to inadvertent
resetting of the thermal cut-out, this appliance must not be supplied
through an external switching device, such as a timer, or connected
to a circuit that is regularly switched on and off by the utility.
Ensure that the appliance is switched off from the supply mains
before removing the guard.
Precautions must be taken to avoid the back-flow of gases into the
room from the open flue of gas or other fuel-burning appliances.

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DELIVERY SET
Fan — 1 pc.
Screws and dowels — 4 pcs.
Plastic screwdriver (for models with a timer) — 1 pc.
User’s manual — 1 pc.
Packing box — 1 pc.
BRIEF DESCRIPTION
The product described herein is a mixed-flow inline fan for supply or extract ventilation of premises.
The fan is designed for connection to ø 100, 125 and 150mm air ducts.
The unit is equipped with a two speed motor.

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INSTALLATION
The fan is suitable both for horizontal or vertical mounting on the floor, on the wall or on the ceiling (Fig. 1).
The fan can be installed independently or as part of a set with parallel or in-series connection (Fig. 2).
Install minimum 3.28 ft long air duct on the intake spigot side in case of horizontal fan mounting or a hood in
case of vertical fan mounting.
The outlet spigot must always be connected to the air duct. The fan mounting sequence is shown in Fig. 3-11
OPERATION GUIDELINES
The fan is rated for connection to single-phase AC 120 V/60 Hz power mains.
The fan is rated for continuous operation.
The unit is rated as a class II electric appliance.
Air motion direction in the system must match the pointer on the fan casing.
Ingress protection rating against access to hazardous parts and water ingress — IPX4.
The fan is rated for operation at the ambient air temperature from +34 °F up to +104 °F.
Transported air temperature — from -13 °F up to +140 °F.
Ø D B H L
TT PRO 100 97 195,8 226 302,5
TT PRO 125 123 195,6 226 258,5
TT PRO 150 148 220,1 247 289

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CONTROL LOGIC
It is possible to control the fan rotation speed without options by voltage, as well as by thyristor controllers.
The speed controller is purchased separately.
Warning!
When adjusting the voltage, make sure there is no unusual noise or vibration at reduced motor speed.
The motor current may exceed the rated current during voltage regulation.
The fan is equipped with a thermal switch with no self-reset.
To reset the thermal relay, switch off the power supply.
Find and eliminate the cause of overheating.
Make sure the motor has cooled down to operating temperature.
Switch on the power supply.
TECHNICAL MAINTENANCE
The fan surfaces must be regularly cleaned (once in 6 months) from dirt and dust (Fig. 12-19). Disconnect the
fan from power mains prior to any maintenance operations. To clean the fan, use a soft cloth or a brush wetted
in a mild detergent solution. Do not allow water or liquid come into contact with electric components (Fig. 18).
Wipe the surfaces dry after cleaning.

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STORAGE AND TRANSPORTATION REGULATIONS
• Store the unit in the manufacturer’s original packaging box in a dry closed ventilated premise with
temperature range +5...+40 ˚С and relative humidity up to 70 %.
• Storage environment must not contain aggressive vapors and chemical mixtures provoking corrosion,
insulation, and sealing deformation.
• Use suitable hoist machinery for handling and storage operations to prevent possible damage to the unit.
• Follow the handling requirements applicable for the particular type of cargo.
• The unit can be carried in the original packaging by any mode of transport provided proper protection
against precipitation and mechanical damage. The unit must be transported only in the working position.
• Avoid sharp blows, scratches, or rough handling during loading and unloading.
• Prior to the initial power-up after transportation at low temperatures, allow the unit to warm up at operating
temperature for at least 3-4 hours.
TROUBLESHOOTING
Problem Possible reasons Troubleshooting
When the unit is connected to power
mains, the fan does not rotate and
does not respond to any controls.
No power supply.
Make sure the power supply line
is connected correctly, otherwise
troubleshoot the connection error.
Internal connection fault. Contact the Seller.
Low air flow. The ventilation system is clogged. Clean the ventilation system.
Increased noise, vibration.
The impeller is clogged. Clean the impeller.
The fan is not secured well or is not
mounted properly. Troubleshoot the installation error.
The ventilation system is clogged. Clean the ventilation system.

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MANUFACTURER’S WARRANTY
Production meets standard operating requirements in the USA and Canada.
Vents US warrants to the original purchaser of the unit that it will be free from defects in materials or workmanship
for a period of 24 months from the date of original purchase. The Vents US warrants to the original purchaser
of the unit that the integrated control unit will be free from defects in materials and workmanship for a period
of 24 months from the date of original purchase.
THERE ARE NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
During the stated warranty period, Vents US will, at its option, repair or replace, without charge, any product
or part which is found to be defective under normal use and service. This warranty does not cover (a) normal
maintenance and normal service or (b) any products or parts which have been subject to misuse, negligence,
accident, improper maintenance or repair (other than by Vents US), faulty installation or installation contrary to
recommended installation instructions. Labor to remove and replace products is not covered. The duration of
any implied warranty is limited to the time period specified for the express warranty. Some states do not allow
limitations on how long an implied warranty lasts, so the above limitation may not apply to you.
VENTS US OBLIGATION TO REPAIR OR REPLACE, AT VENTS US OPTION, SHALL BE THE PURCHASER’S
SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. VENTS US SHALL NOT BE LIABLE FOR
INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH
PRODUCT USE OR PERFORMANCE.

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Some states do not allow the exclusion or limitations of incidental or consequential damages, so the above
limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and you may also
have other rights which vary from state to state. This warranty supersedes all prior warranties. If proof of sales
date is absent, warranty period is calculated from the production date. The unit can be exchanged at the
following address:
Vents-US
400 Murray Road, Cincinnati, OH 45217, USA
Tel: [phone], Fax: [phone]
E-mail: [email protected]
www.vents-us.com
Please follow guidelines in this manual for product problem-free operation.
FOLLOWING THE REGULATIONS STIPULATED HEREIN WILL ENSURE A LONG AND TROUBLE-FREE
OPERATION OF THE UNIT.
USER’S WARRANTY CLAIMS SHALL BE SUBJECT TO REVIEW ONLY UPON PRESENTATION OF THE
UNIT, THE PAYMENT DOCUMENT AND THE USER’S MANUAL WITH THE PURCHASE DATE STAMP.

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min 1 m
1.
2.

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QF
3. 4.
5. 6.

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7. 8.
9. 10. 11.

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12. 13.
14. 15.

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18
16. 17.
18. 19.

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Quality Inspector’s Stamp
Manufacture Date
Sold by
(name and stamp of the seller)
Purchase Date

VUSA77EN-05
Certificate of acceptance
The fan is recognized as serviceable
TT PRO________________________