BLAUBERG BRAVO Manuale utente

USER’S MANUAL

Bravo

AXIAL FAN

CONTENTS

Delivery set ............................................................................................................................................................................................................................................ 6

Brief description .................................................................................................................................................................................................................................. 6

Operation guidelines ....................................................................................................................................................................................................................... 6

Designation key ................................................................................................................................................................................................................................. 7

Installation and set-up..................................................................................................................................................................................................................... 8

Electronics operation algorithm .............................................................................................................................................................................................. 8

Fan setup ................................................................................................................................................................................................................................................. 9

Technical maintenance................................................................................................................................................................................................................... 10

Storage and transportation regulations............................................................................................................................................................................... 10

Manufacturer’s warranty................................................................................................................................................................................................................ 11

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 Bravo

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.

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.

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 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.

• 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 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.

THE PRODUCT MUST BE DISPOSED SEPARATELY AT THE END OF ITS SERVICE LIFE.

DO NOT DISPOSE THE UNIT AS UNSORTED DOMESTIC WASTE.

• 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.

DELIVERY SET

Fan - 1 pc.

Screws with dowels - 4 pcs.

Plastic screwdriver - 1 pc. (only for the models with a timer)

User’s manual - 1 pc.

Packing box - 1 pc.

BRIEF DESCRIPTION

The unit described herein is an axial fan for exhaust ventilation of small to medium-sized premises heated during winter. It

is designed for wall or ceiling mounting (Fig. 3-5). The fan is designed for connection to ø 100, 125 and 150 mm air ducts.

OPERATION GUIDELINES

The fan is rated for connection to single-phase AC 220-240 V/50 Hz power mains.

Air motion direction in the system must match the pointer on the fan casing.

Hazardous parts access and water ingress protection rating is IP34.

The fan is rated for operation at the ambient temperature ranging from +1 °C up to +45 °C.

The unit is rated as a Class II electrical appliance.

DESIGNATION KEY

Bravo X X 100 X X X

Voltage:

12: motor with 12 V/50 Hz rated voltage

Dierences from the base model:

e2: the motor is equipped with rolling bearings. without check valve

Additional options:

S: pull cord switch

T: turn-oﬀ delay timer

ST: turn-oﬀ delay timer and pull cord switch

H: humidity sensor and turn-oﬀ delay timer

SH: humidity sensor, turn-oﬀ delay timer and pull cord switch

IR: motion sensor

Outlet duct diameter [mm]

Colour:

_: white

Vintage

Platinum

Chrome

Gold

Motor modication:

Max: high-powered motor

Still: low-noise motor

Fan series

ELECTRONICS OPERATION ALGORITHM

The fan with the T timer activates upon control voltage application to the LT input terminal by the external switch (e.g.

indoor light switch). After the control voltage is oﬀ, the fan continues to operate within the set time period adjustable from

2 to 30 minutes by the timer. For the ST model, the fan is turned on/oﬀ with an internal cord switch.

The fan with the timer and the humidity sensor H starts after the control voltage is supplied to the LT input terminal or

if the indoor humidity level H exceeds the set point adjustable from ~60 % to ~90 %. After the control voltage is oﬀ or the

humidity level has decreased, the fan will keep running within the time set by the timer ranging from 2 to 30 minutes. To set

the maximum humidity setpoint, set the potentiometer to Hmax position (90 %).

CAUTION! Connect the fans rated for 12 V power voltage (stated on the packing box and on the fan casing) to

12 V power mains only!

INSTALLATION AND SET-UP

The fan is designed for wall or ceiling mounting with direct air exhaust to the ventilation shaft or into the round air duct of

matching diameter (Fig. 2).

Fan installation sequence:

step 1. Cut oﬀ power supply and make sure electricity has been turned oﬀ (Fig. 6).

step 2. Run the power cable to the vent hole (Fig. 7).

step 3. Remove the front panel from the fan. Then remove the circuit board cover (Fig. 8).

step 4. Mark and drill holes for mounting the fan and then install the fan (Fig. 9-11).

step 5. Connect the fan to power mains according to the wiring diagram (Fig. 14-17).

step 6. Cover the casing with a front panel and a decorative panel (Fig. 12).

step 7. Supply power voltage to the fan (Fig. 13).

TERMINAL DESIGNATIONS ON WIRING DIAGRAMS

L— phase (220-240 V only) S— external switch

N— neutral (220-240 V only) QF — automatic circuit breaker

LT — timer control line

DO NOT USE A METAL SCREWDRIVER, KNIFE, ETC. FOR ADJUSTMENT

OPERATIONS NOT TO DAMAGE THE CIRCUIT BOARD.

o

2 min 30 min

60% 90%

for H/SH

for T/H/ST/SH

FAN SETUP

— to adjust the humidity set point, turn the control knob Hclockwise to increase and counter-clockwise to decrease the

humidity sensor set point, adjustable from 60 % up to 90 %.

— to adjust the fan turn-oﬀ delay time, turn the control knob To clockwise to increase and counter-clockwise to

decrease the turn-oﬀ delay time respectively, adjustable from 2 up to 30 minutes.

The fan delivery set includes a specially designed

plastic screwdriver for fan settings adjustments. Use it

to change the turn-on and turn-oﬀ delay time and the

humidity set point.

THE TIMER CIRCUIT IS LIVE.

MAKE SURE THE FAN IS DISCONNECTED FROM POWER SUPPLY.

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