IBC control MicroMax370 Manual de usuario

IBC

control

MANUAL

CONTROL UNIT FOR ROTARY HEAT EXCHANGER

MicroMax370

Article no. F21037301

Set of EMC-glands as an option

With adjustable boost function and threshold value

Since 1983Since 1983

Ska vara 25 mm i diameter på höjden

Installation instructions 2

Mounting 2

Safety instructions 3

Manufacturer´s declaration

Declaration of conformity

Description of functions 5

Technical data 6

Functions 6

- DIP switch 7

- Operational indications 7

- Alarms 8-9

- Settings via potentiometer 9

- Reset 9

Connection diagram 10

Connections 10

Checks before powering up

the control unit

Putting the equipment into

operation

EMC installation 12

EMC gland 12

Personal notes 13

TABLE OF CONTENTS

Warning indication e control unit must be in perfect technical condition

before use.

Damage that can aect safety must be remedied

immediately.

Maintenance/Repairs e function of the control unit should be checked

regularly.

Troubleshooting and repairs may only be performed by

trained personnel.

Electrical safety regulations must be met.

Disposal and

recycling When replacing components or when the control unit in

its entirety need replacing, please follow the advice below:

e aim should always be maximum possible recycling

of raw materials, with minimum possible environmental

impact.

Never dispose of electrical components with ordinary

waste, always use the designated collection points.

Disposal should be as environment-friendly as the

technology allows in terms of environmental protection

and recycling.

INSTALLATION INSTRUCTIONS

MOUNTING

Installations hole 5 ø

SAFETY INSTRUCTIONS

“Safety instructions” refers to instructions whose specic

intent is to avoid the risk of personal injury and to prevent

damage to equipment.

Danger! Electrical current to electrical components!

Note: Switch o main power before removing the cover.

Never touch electrical components or contacts while main

current is switched on. Risk of electric shock, resulting in

serious injury or death.

Connected terminals contain residual voltage even aer

the main current has been switched o.

e following symbols and references will be used in this description. ese

important instructions apply to personal protection and technical safety during

operation.

MANUFACTURER´S DECLARATION

DECLARATION OF CONFORMITY

Manufacturer IBC control AB

Brännerigatan 5 A

SE-263 37 Höganäs

Sweden

Tel: +46 42 33 00 10

Product Control unit for rotary heat exchanger

Type designation MicroMax370

Applicable

EU Directives

EMC Directive 2014/30/EU

Low Voltage Directive 2014/35/EU

RoHS Directive 2011/65/EU including Delegated Directive EU2015/863

Applicable

UK Directives

e Electromagnetic Compatibility Regulations 2016

e Electrical Equipment (Safety) Regulations 2016

e Restriction of the Use of Certain Hazardous Substances in Electrical and

Electronic Equipment Regulations 2012

Harmonizing

standards for

EU/UK Directives

BS EN 61800-3:2004/A1:2012 - Emission kategori C1, Immunitet second

environment

BS EN 61800-5-1:2007/A1:2017 - e control unit is intended for installation

in environments with a pollution rating of 2

(Pollution degree 2)

is declaration of conformity is issued under the full responsibility of the

manufacturer

Höganäs 2021-09-01

IBC control AB

Christer Persson

• e MicroMax370 is part of a range of control units adapted, with the necessary

additional functions, for optimum control of rotary heat exchangers.

e series consists of ve sizes, MicroMax, MicroMax180, MicroMax370,

MicroMax750 and MicroMax1500.

All of the control units drive three-phase asynchronous motors with associated

gearing, the control unit designation denotes motor output. All control units

have an input signal of 0-10 V.

• MicroMax370 is designed for rotors up to 3500 mm with a rotor speed of

max 12 rpm.

If a faster rotor speed is necessary, rotor diameter should be reduced.

• Heat exchanger rpm and thus thermal eciency are governed by the control unit

so that rotor speed is proportional to the input signal from the control centre.

• MicroMax370 has a adjustable threshold value of 0-2 V.

• MicroMax370 has adjustable boost function.

• MicroMax370 has a rotation monitor (magnet mounted on the rotor with

associated magnetic sensor) and built-in cleaning function.

e functions can be disconnected via DIP switches.

• MicroMax370 starts automatically following voltage

drop-out and resets all alarms on restart.

• e motor should not be disconnected from the control unit while under load.

DESCRIPTION OF FUNCTIONS

Ambient temperature,

non condensing

-25 - +45 OC

Protection form IP54

Weight 1.1 kg

Dimensions, HxWxD 198x165x60 mm

Connection voltage 1x230-240 V +/-15 %

50/60 Hz

Power input, max. 650 W

Input current, max. 2.8 A

External fuse, max. 10 A

Output voltage*) 3x0-230 V

Output frequency 5-100 Hz

Min frequency (Fixed) 5 Hz

Max frequency 40-100 Hz

Motor output, max 370 W

Motor current 1.9 A

Overload 2 min/30 min 3.5 A

Internal fuse**) 4 AT

Acceleration time

Retardation time

(Fixed) 30 sec

* Exact value cannot be obtained with a digital measuring

instrument

** e fuse protects both motor and electronics

TECHNICAL DATA

FUNCTIONS

DIP SWITCH

Cleaning function Cleaning function connected in ON position.

When the rotor has stopped for 30 minutes, the cleaning function is acti-

vated and the rotor rotates at minimum rpm for 10 seconds.

Rotation monitor Rotation monitor set to ON position.

High speed*) e rotor rotates at the set maximum rpm when the switch is set to ON.

Aer a test run, make sure the DIP switch is set to OFF.

Low speed*) e rotor rotates at the xed minimum rpm when the switch is set to ON.

Aer a test run, make sure the DIP switch is set to OFF.

*) Manual operation (test mode)

OPERATIONAL INDICATIONS

On/alarm Lit with xed light

It ashes when the control unit has tripped.

Run Comes on when the motor is to rotate, i.e. when the input signal exceeds

the threshold value.

Rotation Flashes when the magnet passes the magnetic sensor, regardless of the

“Rotation monitor” DIP switch setting.

Flashes even if the input signal is lower than the threshold value.

Rotation monitor

Probable fault cause on

installation

Probable fault cause in

operation

Alarms and trips if a pulse is not received every 5 minutes.

- Magnet turned the wrong way

- Rotation monitor incorrectly connected (wrong polarity),

refer to “Connections” on page 10

- Too wide a gap between the magnetic sensor and magnet, max 15 mm

-Broken belt

- Belt slipping

- Stuck rotor

- Magnetic sensor or magnet not intact

Overtemperature motor

Probable fault cause

Alarms and trips if motor winding temperature is too high.

e thermal contact in the motor reverts to normal mode when the

temperature drops.

See "Overcurrent" on page 9.

Overvoltage Alarms and trips if the connection voltage exceeds 276 V

for more than 4-5 seconds.

Undervoltage Alarms and trips if the connection voltage drops below 195 V

for more than 4-5 seconds.

Short circuit/overcurrent

Probable fault cause

Alarms and trips in the event of a phase-to-phase or phase-to-earth

short circuit and overcurrent.

Short circuit phase-phase orphase-earth (earth fault)

MicroMax370 trips immediately.

- Motor winding fault

Measure motor resistance, it should be identical on all phases.

- Short circuit between phases in the cable

- Earth fault in the motor or cable

ALARMS

All alarms remain in state.

Continued on next page

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