Vents VENTS TT Series Manual de usuario
CENTRIFUGAL INLINE FAN
USER’S MANUAL
www.ventilation-system.com
TT
EN
2
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CONTENTS
Delivery set ...............................................................................................................................................................................................................6
Brief description ....................................................................................................................................................................................................6
Fan modifications .................................................................................................................................................................................................6
Operation guidelines ..........................................................................................................................................................................................7
Designation key ....................................................................................................................................................................................................8
Mounting ..................................................................................................................................................................................................................9
Control logic.............................................................................................................................................................................................................10
Maintenance ...........................................................................................................................................................................................................12
Transportation and storage rules ................................................................................................................................................................12
Manufacturer’s warranty...................................................................................................................................................................................13
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READ THE USER’S MANUAL CAREFULLY BEFORE PROCEEDING WITH INSTALLATION WORKS
COMPLIANCE WITH THE MANUAL REQUIREMENTS ENSURES RELIABLE OPERATION AND LONG
SERVICE LIFE OF THE UNIT
KEEP THE USER’S MANUAL AVAILABLE AS LONG AS YOU USE THE UNIT. YOU MAY NEED TO RE-
READ THE INFORMATION ON THE PRODUCT SERVICING
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 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 perform works in accordance with workplace safety rules as well as construction norms
and standards applicable in the territory of the country.
The information in this user’s manual is 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.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by
any means in any information search system or translated into any language in any form without the prior
written permission of the Company.
4
EN
FOLLOW THE USER’S MANUAL REQUIREMENTS TO ENSURE DURABLE AND
TROUBLE-FREE OPERATION OF THE UNIT.
Disconnect the unit from power supply prior to any connection, servicing, maintenance, and repair
operations.
Only qualied 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.
• Single-phase power mains must comply with the acting local electrical norms and standards.
• Fixed electrical wiring must be equipped with an automatic circuit breaker.
• The unit must be connected to power mains through a QF automatic circuit breaker integrated
into the fixed wiring system. The gap between the circuit breaker contacts on all poles must be
not less than 3 mm. Check the unit for any visible damages of the impeller and the casing 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 the motor jam and noisy operation. Misuse of the unit and any unauthorised modifications are
not allowed.
• Take steps to prevent ingress of smoke, carbon monoxide, and other combustion products into
the room through open chimney flues or other fire-protection devices. Sufficient air supply must
be provided for proper combustion and exhaust of gases through the chimney of fuel burning
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THE PRODUCT MUST BE DISPOSED SEPARATELY AT THE END OF ITS SERVICE LIFE
DO NOT DISPOSE THE UNIT AS UNSORTED MUNICIPAL WASTE
equipment to prevent back drafting. 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 unit is allowed to be used by children aged from 8 years old and above and persons with
reduced physical, sensory, or mental capabilities or no experience and knowledge provided that
they have been given supervision or instruction regarding safe use of the unit and understand
the risks involved.
• Do not allow children to play with the unit.
6
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DELIVERY SET
Fan: 1 pc.
Screws and dowels: 4 pcs.
Plastic screwdriver (all fans with a timer): 1 pc.
User’s manual: - 1 pc.
Packing box: 1 pc.
BRIEF DESCRIPTION
The unit described herein is an axial mixed-flow fan for supply or exhaust ventilation of premises.
The fan is designed for connection to 100, 125, 150, 160, 250 und 315 mm air ducts.
The fans for 100, 125, 150, 160 mm air ducts have a two-speed motor and the fans for 250 and 315 mm have
a single-speed motor.
FAN MODIFICATIONS
VENTS TT XXX: basic model
VENTS TT XXX S: model with high-powered motor
VENTS TT XXX V: model with integrated speed switch
VENTS TT XXX RV: model with integrated speed switch and power cable with plug (Fig. 32)
VENTS TT XXX T: model with turn-off delay timer adjustable from 2 to 30 minutes (Fig. 31)
VENTS TT XXX U(U1): model with a speed controller with electronic thermostat, integrated temperature
sensor and power cable with plug (Fig. 33)
VENTS TT XXX Un (U1n): model with a speed controller with electronic thermostat, external temperature
sensor fixed on 4 m cable and power cable with plug (Fig. 33)
VENTS TT XXX P: model with speed controller and power cable with plug (Fig. 34)
XXX: spigot diameter
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OPERATION GUIDELINES
The fan is rated for connection to single-phase ac 220-240 V/ 50 (60) Hz power mains.
The unit is rated for continuous operation.
The arrow on the fan casing must match the air direction in the system.
Ingress protection rating against access to hazardous parts and water ingress is IPX4.
The fan is rated for operation at the ambient air temperature from +1 °C up to +45 °C.
The transported air temperature must not exceed +60 °C.
The unit is rated as a Class II electrical appliance.
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DESIGNATION KEY
TT XXX S X
Modications:
T: timer
U: electronic temperature-dependent control unit, integrated duct temperature
sensor, 0.4 m power cable.
Un: electronic temperature-based control unit, external temperature sensor, 0.4 m
power cable.
U1: electronic timer-based control unit, integrated duct temperature sensor, 0.4
m power cable.
U1n: electronic timer-based control unit, external temperature sensor, 0.4 m
power cable.
P: built-in speed controller and 0.4 power cable.
R: 0.4 power cable
V: switch
High-powered motor
Spigot diameter [mm]
Inline fan
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EN
MOUNTING
The fan is designed for horizontal or vertical installation 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).
To be installed on the intake spigot side:
• 1 m long air duct in case of horizontal fan installation
• ventilation hood in case of vertical fan installation
The exhaust spigot must always be connected to the air duct.
The fan mounting steps are shown in Fig. 3–10 and 25-30.
The wiring diagrams are shown in Fig. 11-24.
Terminal designations:
L1: minimum speed terminal
L2: maximum speed terminal
QF: automatic circuit breaker
S: external speed switch
ST: external switch (for example, light switch)
X: input terminal block
QF
SS/ST
Automatic circuit breaker
designation
Automatic
circuit breaker
External switch designation External switch
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EN
CONTROL LOGIC
TT XXX T fan starts running after the external switch supplies control signal to the LT input terminal (for
example, during turning the light on).
After removal of the control signal the fan continues to run within the set time (adjustable with the turn-off
delay timer from 2 to 30 minutes).
To adjust the fan turn-off delay time, rotate the control knob T clockwise to increase and counter-clockwise to
decrease the turn-off delay time respectively (Fig. 31).
Warning! The timer circuit is under mains voltage. Disconnect the fan from power supply prior to any
adjustment operations. The fan delivery set includes a specially designed plastic screwdriver for adjustment of
the fan parameters. Use exclusively the delivered plastic screwdriver to adjust the turn-off delay time. Do not
use a metal screwdriver, knife, etc. for adjustment operations not to damage the circuit board.
The TT XXX U (U1) fan is equipped with an electronic TSC control unit (speed controller with electronic
thermostat) for automatic speed control (air flow control) depending on the air temperature (Fig. 33).
The terminal box cover incorporates 2 control knobs:
• for setting the fan speed;
• for setting the thermostat set point.
The thermostat LED light is located on the fan casing.
The thermostat LED glows as air temperature exceeds the set point.
To set the thermostat set point rotate the temperature control knob clockwise to increase or counter-clockwise
to decrease the temperature set point accordingly.
To set the fan speed (air flow) rotate the speed control knob in the same way.
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