Munters Breeze Fan Instruction manual

Manual for use and maintenance
+ CE Declaration of conformity
Breeze Fan
Air circulation fan
Ag/MIT/UmGB-2488-12/17 Rev 1.1
BREEZE
FAN

2 |© Munters AB, 2018
Breeze Fan
Manual for use and maintenance
Original instructions
This manual for use and maintenance is an integral part of the apparatus together with the attached technical
documentation and has been produced with reference to Directive 2006/42/EC, paragraph A, Annex II.
This document is destined for the user of the apparatus: it maynot be reproduced in whole or in part, committed tocomputer
memory as a file or delivered to third parties without the prior authorisation of the assembler of the system. Munters A/S
reserves the right to effect modifications to the apparatus in accordance with technical and legal developments.
Warranty
For Warranty information please refers to "General terms and condition of sale" available on
https://www.munters.com/globalassets/terms-and-policies/condizioni_generali_vendita.pdf.
Conditions and Limitations:
•Products and Systems involved in a warranty claim under the "General terms and
condition of sale" must have been properly installed, maintained and operated under
competent supervision, according to the instructions provided by Munters;
•Malfunction or failure resulting from misuse, abuse, negligence, alteration, accident
or lack of proper installation or maintenance shall not be considered a defect under
the Warranty.

3 |© Munters AB, 2018
CONTENTS
1. CE DECLARATION....................................................................................................................................... 4
1.1 Disclaimer .............................................................................................................................5
1.2 Introduction............................................................................................................................5
1.3 Notes.....................................................................................................................................5
1.4 Attached technical documentation.........................................................................................5
2. SAFETY ASPECTS....................................................................................................................................... 6
2.1 General .................................................................................................................................6
2.2 Installation.............................................................................................................................6
2.3 Electrical connection..............................................................................................................7
2.4 Residual risks........................................................................................................................8
3. BEFORE USING ......................................................................................................................................... 10
3.1 Delivery check.....................................................................................................................10
3.2 Packaging and transport......................................................................................................10
3.3 Structure..............................................................................................................................10
4. OPERATING CONDITIONS........................................................................................................................ 11
5. INSTALLATION .......................................................................................................................................... 12
5.1 General ...............................................................................................................................12
5.2 Tools required for the installation of the Breeze Fan............................................................12
5.3 Electrical wirings..................................................................................................................14
5.4 Spacing of fans....................................................................................................................15
5.5 Installation of rafter suspension unit ....................................................................................16
5.6 Installation of complete motor fixture including motor ..........................................................17
5.7 Installation of attachment wires............................................................................................18
5.8 Installation of hub................................................................................................................19
5.9 Installation of blades............................................................................................................19
5.10 Wind sensor (optional).......................................................................................................20
6. COMMISSIONING....................................................................................................................................... 23
7. TECHNICAL DATA..................................................................................................................................... 24
7.1 General description .............................................................................................................24
7.2 Technical specifications.......................................................................................................24
7.3 Motor specifications.............................................................................................................24
7.4 Inverter specifications..........................................................................................................24
8. MAINTENANCE .......................................................................................................................................... 26
8.1 Introduction..........................................................................................................................26
8.2 Maintenance instructions for geared motor..........................................................................26
8.3 Maintenance instructions for fan..........................................................................................26

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1. CE DECLARATION
CE Declaration of Conformity
(complies with Subparagraph A Annex II Directive 2006/42/EC)
Munters A/S
with registered offices in Nordvestvej, 3 - 9600 Aars, Denmark
(Company registration nr. DK 89 54 94 18)
declares on its own responsibility that the apparatus:
Designation
Fan for industrial buildings, especially barns
Model
Breeze Fan
Year of manufacture
2017
conforms with the essential safety requirements stated by Apparatus Directive 2006/42/EC
with particular reference to the following provisions:
UNI EN ISO 12100, UNI EN ISO 13857, CEI EN 60204-1, CEI EN 61000-6-1, CEI EN 61000-6-3
Aars, 11th December 2017
Lasse Kiel Madsen
Legal Representative

5 |© Munters AB, 2018
1.1 Disclaimer
Munters reserves the right to make alternations to specifications, quantities, dimensions etc. for production or other
reasons, subsequent to publication. The information contained herein has been prepared by qualified experts within
Munters. While we believe the information is accurate and complete, we make no warranty or representation for any
particular purposes. The information is offered in good faith and with the understanding that any use of the units or
accessories in breach of the directions and warnings in this document is at the sole discretion and risk of the user.
1.2 Introduction
Congratulations on your excellent choice of purchasing a Breeze fan!
In order to realize the full benefit from this product it is important that it is installed, commissioned and operated correctly.
Before installation or using the fan, this manual should be studied carefully. It is also recommended that it is kept safely for
future reference. The manual is intended as a reference for installation, commissioning and day-to-day operation of the
fans.
1.3 Notes
Date of release: 2017.
Munters cannot guarantee to inform users about the changes or to distribute new manuals to them.
All rights reserved. No part of this manual may be reproduced in any manner whatsoever without the expressed written
permission of Munters. The contents of this manual are subject to change without notice.
1.4 Attached technical documentation
The listed documentation is to be considered an integral part of this manual:
•technical sheet/electric motor available on https://www.nord.com.

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2. SAFETY ASPECTS
2.1 General
The safety of fans is assured by Munters in compliance with the safety requirements indicated by the CE label.
Equipment may only be used by personnel who knowand apply the specificrequirements given in the use and maintenance
manual and the more general instructions containedin various regulations for accident prevention and applicablelegislation
regarding safety in the workplace, as well as other European Community directives incorporated by the member states
into their national legislation.
Knowledge and understanding of the manual and of the attached documents constitute an indispensable tool for reducing
hazards and promoting the safety and health of workers.
Safe functioning is assured only when the installation procedure and the instructions for use have been carefully followed.
The following points must be stressed:
•proper transport procedure must be followed;
•the maintenance operator must be kept informed on maintenance procedures (see also the ‘Gear Motor manual’
https://www.nord.com/cms/dk/documentation/manuals/details_1139/detail_42075.jsp);
•do not operate the fan without having it firmly fixed to the structure or without complying with the safety regulations
for the electrical connection in the local country of use;
•do not install the fan in places where there might be explosion hazards as described by EN 60079 rules;
•do not handle any material which might produce explosive powders;
•the emission of harmful particles and/or gases into the atmosphere must be within the limits determined by local
authorities;
•safety equipment necessary for the prevention of accidents at the mounting and operating site shall be provided
by the buyer in accordance with the regulations prevailing in the local country;
•fans should not be installed in places where children aged 14 years or less are present.
2.2 Installation
After transportation, prior to assembly and installation of the Breeze Fan, a verification of the package condition is required:
in case of any discrepancy or damage of the fan components, it is necessary to immediately notify the manufacturer or the
transporter.
WARNING In order to prevent damage to the fan itself or risk to personnel, resulting from incorrect use, the
following points must be checked:
•the assembly and installation of the fan has to be carried out by specialized operators only;
•It is present an adequate support for installing the fan;
•A minimum distance of 1.2m must be left between the fan and any obstacles (see chapter 5.4);
•the fan must not be subjected to high horizontal winds such as those from another air circulator or near a large
opening;
•keep the minimum distance between two adjacent fans (see chapter 7.2)
The assembly of the fan has to be carried out in the following phases:
•pre-assembly of the fan components;
•positioning and anchorage of the fan support;
•installation of the blades;
•electrical connection;
•functional verification and commissioning.
Selecting the location and verification of the requirements for installation
The user assumes the task of preparing a suitable area for installing the fan and in conformity to the requirements from
European Directive and national laws which regulate the safety in the workplaces.

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The operating environmental conditions of the plant are:
Ambient temperature during operation
-15°C to +40°
Ambient humidity during operation
80%
For the installation operations it is necessary to provide a suitable manoeuvring space adapted to the dimensions of the
fan and selected lifting equipment: in the installation zone must be prepared the connection points of the fan to the power
supply network.
WARNING The building for the installation must be equipped with adequate natural ventilation (no perimeter
walls).
Fig.1
If the fan will be directly assembled to the metal structure of the
building, it is necessary to use bolts M10 A2 screwed in the
appropriate inserts, placed on the stand for the anchorage (two per
side).
Adjustable mounting plate for the rafter fixing.
2.3 Electrical connection
The fan is supplied together with an electrical casing containing the following equipment:
•frequency controller type Nordac 500E;
•automatic Climate Control Munters Temp Man, Automatic Speed Regulator Munters or similar (optional).
The characteristics of such devices are shown in the documentation available on http://www.nord.com.
The fan is supplied without any wired command and control circuit; in the assembly phase, the installer must predispose a
control panel which meets the requirements of the standard CEI EN 60439-3 and proceed to the electrical wiring of the fan
in accordance to the indications of the standard CEI EN 60204-1 and IEC 60364.
The electrical panel of the fan must be provided with the following equipment (provided with CE mark according to the
directive 2006/95/CE).
Fig.2
Lockable isolator.
Fig.3
Thermo-magnetic switch (adapted to the electrical power of the motor). The
necessity to install a differential switch is connected to the configuration of the
electrical wiring that powers the fan: the installer is responsible for this evaluation
in accordance to the indications of the normative IEC 60364.

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Fig.4
Emergency stop button red type (mushroom), fitted with mechanical restraint and
turn to release (according to UNI EN ISO 13850). The operation of the button
must determine the electro-mechanical interruption of the power supply and the
electrical motor (1st category according to CEI EN 60204-1).
Fig.5
Start/Stop selector (characteristics compatible with nominal electrical current
motor) or general electrical panel with command equipment which act on the
power supply of the fan.
2.4 Residual risks
Mechanical hazards
Part of machine/stage of use
Description
Plates/provisions/PPE
Installation of machine
Hazard arising from failure to observe
ergonomic principles, caused by
excessive strain, i.e. generic
mechanical hazard during the moving
and installing stages of the machine.
Electrical hazards
System area
Description
Plates/provisions/PPE
Panels, covers and electrical
apparatus.
The safety signs must be fixed in an
extremely visible position on the door
of the electrical panel and on covers
containing electrical apparatus, to
highlight the risks to which an
operator could be exposed in the
event of opening the electrical panel
(danger resulting from the presence
of live parts), the level of voltage
present, the prohibition of tampering
by unauthorized personnel and the
prohibition on the use of liquids on
electrical apparatus in the event of
fire.

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Hazards generated by noise
Measuring point:
3 m from motor shaft (under fan blades)
Correct noise pressure level Lp [dB(A)]
3m
55
4m
53
5m
51
6m
50
7m
48
A measurement of the noise produced by the machine during normal operation has been made in order to calculate the
equivalent level in conditions of normal use. These values are shown in the above table.
WARNING The user and the employer must comply with current national law in terms of protection against daily
personal exposure of operators to noise, by providing the use of personal protective equipment (earmuffs,
earplugs, etc.) if necessary, depending on the overall level of sound pressure in the installation area, and the daily
personal exposure of the employees. In areas where the overall sound level reachesexcessive values, personal protective
equipment must be used.

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3. BEFORE USING
3.1 Delivery check
Upon receipt, inspect the fan for external damage and if found, inform the transport agent without delay. Check the data
on all the rating plates, especially voltage and frequency. After placing the motor in the working position (see chapter 5,
Installation), turn the propeller by hand while the fan is switched off to verify smooth rotation of the propeller.
Check in particular the fan blades, the hub and the spider.
3.2 Packaging and transport
The fan components are usually delivered with packaging. Each package has to be handled properly in order to avoid
damages.
3.3 Structure
The fans consist of the following components:
•tilting bracket;
•suspension arm;
•gear-motor and frame complete fixture;
•propeller hub galvanized steel;
•propeller composed of 5 blades in aluminium alloy; blades will be attached to the hub using screws;
•suspension and attachment (stainless steel wire cable, clams, hooks, etc.);
•wind sensor (optional).
WARNING
•it is mandatory to secure the Breeze Fan with the attachment wires for safety measure so make sure you
have the proper mounting structure;
•regarding the fan minimum spacing please see Fig.7 on chapter 5.4
•no person must stand under the fan until the installation is completed
WARNING
The fan should not be installed unless the structure on which the fan is to be mounted is of solid construction,
undamaged, and is able to support the loads of the fan and its mounting structure. It is the responsibility of the
customer and/or end user to verify the stability of the structure.

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4. OPERATING CONDITIONS
Circulation fans, such as the Breeze Fan, are products to be used to circulate the air inside a structure, thereby creating
air movement inside the structure which helps to cool animals down during hot periods.
Normal ambient temperature limits are -15°C to +40°C. Maximum altitude is 1000 m above sea level. If a fan is required
to operate at a higher altitude, the loss in mass flow (heat removing capacity) due to lower air density should be taken into
consideration.
The Breeze Fan is quite heavy (see chapter 7.2), so before lifting and handling it must be checked that the necessary,
suitable equipment is available.
USES EXPLICITLY EXCLUDED
The Breeze Fan is NOT made and therefore must absolutely NOT be used for other purposes such as (not exhaustive
list):
•Use in atmospheric conditions even only potentiallyexplosive
•Use in aggressive atmosphericconditions
•Use in atmospheric conditions with high salinity or humidity over 90% of that of the standard atmospheric air
•Use in places in which external suspended elements are present (for example, fibres, powders, paints, sand)
•Use in outside environments
•Use in places that subject the product to vibrations or oscillations
•Precarious and temporary use

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5. INSTALLATION
5.1 General
WARNING Personnel who are responsible for installation, operation, inspection and service must have
appropriate knowledge of the instructions, be familiar with procedures for the prevention of accidents and be
qualified to carry out the work in question. If the personnel do not have the requisite knowledge, instruction of the
personnel must be carried out.
WARNING Before installing the Breeze Fan it is necessary that a structural engineer verify that the structure
where the fan should be installed is adequate to support the torque generated by the fan when in operation and
the weight of the machine.
The structure on which the fan is to be mounted shall be of stiff construction, shall not present damages, and has to be
capable to support the loads and the structural stress generated by the fan. The verification of the overall stability of the
structure is an exclusive responsibility of the customer and/or the end user.
Munters will not take any liability for any damage which might rise from the use of a support material not adequately chosen
or dimensioned.
The reliability of the unit supplied can only be guaranteed if its use corresponds to the intended use according to the sales
material and/or the order confirmation.
The owner is responsible for the instructions and safety precautions being observed in relation to current legislative
requirements. The manufacturer assumes no responsibility for the Breeze Fan in the event of the incorrect or improper use
of the unit.
NOTE Read the instruction carefully, before beginning the work.
The Breeze Fan is designed and constructed in accordance with current EN norms for ventilation equipment.
5.2 Tools required for the installation of the Breeze Fan
Ring/open-ended spanner –10
Ring/open-ended spanner –13
Ring/open-ended spanner - 17
Ring/open-ended spanner - 19

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AccuDrill
Spiral drill bit - Ø6; Ø10; Ø12.5
Phillips screwdriver
Torx 20 Bits
Allen key 6
Other
Spirit level, bits holder, adjustable spanner, polygrip pliers, rubber headed
hammer, square tool
WARNING Please pay attention to use a torque wrench or a calibrated screwdriver to respect the following
tightening torque:
•M8 Screw: 27 Nm
•M10 Screw: 50 Nm unless otherwise indicated
•M12 Screw: 90 Nm

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5.3 Electrical wirings
Electrical installation frequency inverter without reverse for Breeze Fan
NORDAC SK 500E Frequency Inverter
Munters Nordvestvej 3 9600 Års TLF.98623311
Fig.6
WARNING The power cable must be shielded, suitable for VFD use and the maximum length is 30 m.

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5.4 Spacing of fans
Fig.7
Propeller size
Roof slope [°] (min -> max)
R [m]
Ø [m]
Short pipe (L=1.5 m)
Long pipe (L=2.25 m)
1.5
3
0 → 16
17 → 38
2.0
4
0 → 12
13 → 30
2.5
5
0 → 10
11 → 25
3.0
6
0 → 8
9 → 21
3.5
7
0 → 7
8 → 19
The recommendations should be complied with since they represent the optimum efficiency for the Breeze Fan.
A minimum distance of 4m must be left between the lowest part of the Breeze fan and the floor. The installer has also to
assess any interference with machinery, balconies, balustrades, or anything else between the floor and the fan, that may
interfere with it. Before beginning the installation, the area must be properly signaled and there must be no people or
objects that may hamper or be damaged by accidental falling of parts of the fan. The area over which the Breeze fan's
action is effective is about 3 times the diameter of the fan. Munters expressly forbids installations in which no space is left
between one machine and another equal to the diameter of the fan itself. The installer is fully responsible for connecting
the Breeze fan to the ceiling.

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5.5 Installation of rafter suspension unit
Fig.8
Fig.8 shows the tilting bracket that has to be attached to
the rafter. In order to enable the bracket to adapt to
different rafter widths, the extra set of holes on the top side
(centre) of the bracket can be used.
Fig.9
The bracket MUST be secured with the accompanying 6
bolts M10 A2, although the attachment holes are arbitrary.
It is recommended that the tilting bracket be held up
against the rafter and the appropriate holes marked off.
Holes should then be drilled all the way through the rafter.
The tilting bracket should be fitted as shown in Fig.9.
Fig.10
When the tilting bracket has been attached to the rafter, it
is ready to be fitted with the suspension arm.
Fig.11
Fit the suspension arm into the tilting bracket and secure
with the accompanying set of bolts.

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Fig.12
Assembly flex fittings installed in buildings with
wooden rafters.
WARNING Attach the suspension arm loosely so that the weight pulls it to the vertical position, then tight the
bolts.
5.6 Installation of complete motor fixture including motor
Fig.13
As shown in Fig.13, the gear motor and motor fixture are
available as a complete unit. The eye nuts shown are
used for 4 x wire attachment. The attachment equipment
makes up part of the Breeze Fan’s stabilizing/safety
equipment.
Fig.14
Suspension arm tightened (must be vertical).
Fig.15
Fit the suspension arm to the complete motor fixture by
means of 3 screws M12, 6 washers Ø12 and 3 self-locking
nuts M12 (tightening torque 90 Nm).

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Fig.16
Using a square tool, make sure to have 90° between the
suspension arm and the bottom flange motor.
5.7 Installation of attachment wires
Fig.17
Fit the attachment wires as shown in Fig.17. In order to
attach the safety hook to the rafter, drill a 12.5 mm
diameter hole through the rafter (drill at asuitable distance
that enables the safety hook to close). The wires will help
to stabilise the Breeze Fan, thus ensuring that minor
vibrations do not cause fatigue failures in the structural
elements or attachment systems. It is important that when
the attachment wires are fitted, the suspension arm does
not deviate from the vertical position (the tension from the
4 wires must be distributed symmetrically around the
centre of the Breeze Fan).
Installation sequence
Fig.18
NOTE Tighten the wire with a wire strainer, hard by hand, then turn 3 times (Fig.18).
Munters provides an attachment wires kit for the Breeze fan. The attachment wires kit ensure the stability of the Breeze
fan and maintain it at its height if, due to external causes, the fan is abnormally stressed or the ceiling mount with the
suspension arm only does not guarantee a sufficient solidity over time.
Fasten wire with wire lock
Put hook with wire tensioner in eye nut
Fit safety hook in hole in rafter
Fasten wire with wire lock
Eye nut for f. Fix-wire

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WARNING Munters does not accept any responsibility for not using the attachment wires kit for installation.
WARNING It is important that when the fall protection is fitted, the suspension arm does not deviate from the
vertical position.
5.8 Installation of hub
Fig.19
Important!
Make sure the sealed vent is activated (rubber pen is
removed) as shown prior to gear unit start up.
Fig.20
5.9 Installation of blades
Fig.21
Fasten the fan end into pilot.

20 |© Munters AB, 2018
Fig.22
Fit the blade by means of 2 screws M10 and 2 self-locking
nuts (tightening torque 70 Nm).
Fig.23
Hub with profile edge.
5.10 Wind sensor (optional)
NOTE Place the wind sensor in correspondence of the most critical area.
The Breeze Fan with wind sensor is able to manage the machine also if the wind is too strong.
The Breezefan with wind sensor has to work with a specific drive: the SK520 Inverter.
The wind sensor has to be connected like indicated in the pictures below (see Fig.24); pay attention that the wind sensor
cable is at low voltage (15Vdc) and have to be:
•keep away from high voltage (230Vac or more) or switching signal
•lay out on a standalone tube
•shielded cable.
At the start up (switch on the main power supply and the “switch On” the start command) the Breeze Fan checks the wind
speed, before to start the blades rotation. Only if the wind is not too strong, the Breeze Fan starts to work.
If the wind speed is not so strong, the Breeze Fan starts the rotation of the blades (after the Starting Time more or less 1
minute). This time is useful to be sure that the Breeze Fan could work in the correct way and with the right wind condition.
When the Breeze Fan is working and the average wind becomes too strong the machine will be switch off; before the
Breeze Fan starts to rotate it needs that the average wind speed becomes lower (inside the working wind range).
If the Wind sensor has disconnected or the wind sensor cable has cut off during the normal working, the Breeze Fan stops
to rotate and goes to the shutdown state. In this state (when the wind sensor disconnection occurs), the Breeze Fan tries
to restart itself for five times; after that, if the problem is continuously present, it goes to a permanently off state. This fault
only occurs when the sensor is disconnected. When the Breeze Fan is in the off state, in order to get it operative again, it
is necessary to:
•connect the wind sensor (or check the continuity of the wires) or change the wind sensor;
•switch off the main power supply and wait some seconds (3 seconds are enough);
•switch on the main power supply.