IBC control VariMax50 Bedienungsanleitung

Made in Sweden

IBC

control

MANUAL

CONTROL UNIT FOR ROTATING HEAT EXCHANGER

VariMax50

Art. no. F21050201

PAGE REFERENCE

Installation instructions 2

Mounting 2

Safety instructions 3

Manufacturer's declaration 4

Description of functions 5

Technical data 6

Functions 6-8

DIP switches 7

- Operational indications 7

- Alarms 7

- Adjustments via

potentiometer 8

- Push buttons 8

Connection diagram 9

Connections 9

Input signal/Rotation speed 10

Checks before switching on

the control unit

Putting the equipment into

operation

EMC installation 11

EMC gland 11

Personal notes 12-13

MOUNTING

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

Any damage that may aect safety must be dealt with

immediately.

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

Troubleshooting and repairs must only be performed by trained

personnel.

Prescribed electrical protection must be implemented.

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 hole 5 ø

SAFETY INSTRUCTIONS

"Safety instruction" represents instructions that are intended to

avoid the risk of personal injury and to prevent damage to

equipment.

Danger! Electrical current to electrical components!

Note! Switch o the main current 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

Manufacturer IBC control AB

Brännerigatan 5 A, SE-263 37 Höganäs, Sweden

Product Control unit for rotating heat exchanger

Type designation VariMax50

Article number F21050201

EU directive

applied to the

product

e manufacturer's declaration of conformity with the requirements of the

EMC Directive 2004/108/EC.

All control units are approved according to the requirements of the EMC

Directive 2004/108/EC and are tested according to standard

EN 61800-3:2004, emission category C1 and immunity category C2.

All control units comply with the Low Voltage Directive 2006/95/EC,

standard EN 61800-5-1.

All control units are designed for installation in environments subject to

pollution degree 2.

is product also complies with the RoHS Directive 2011/65/EU.

Höganäs 2015-07-01

IBC control AB

Christer Persson

-------------------------------------------------------------------------------------------

We use FreeRTOS v6.1.0 (http://www.freertos.org) in this product and this source

code can be supplied by us.

•e VariMax50 is part of a range of control units adapted for optimum control of rotating

heat exchangers, with the necessary additional functions.

e range consists of three sizes: VariMax25, VariMax50 and VariMax100. All control

units run a 3-phase stepper motor. All control units have an input signal of 0-10 V.

•VariMax50 is designed for wheels up to 2500 mm with a wheel speed of max. 12 rpm.

If the wheel requires a faster wheel speed, the rotor diameter should be reduced.

•VariMax50 has built-in shi of the input signal, which means that the wheel's eciency

is proportional to the input signal.

•VariMax50 has a preset threshold value of 0,1 V (hysteresis 0,13–0,07 V). If the input

signal falls below this value, the wheel stops.

•VariMax50 has a rotation monitor (magnet mounted on the wheel with associated

magnetic sensor) and built-in cleaning function. e functions can be disconnected via

DIP switches.

•VariMax50 starts automatically aer voltage drop-out,

and resets all alarms on restart.

•e VariMax-motor50 is a stepper motor with substantial moment over the entire speed

range.

•When the motor is stationary, holding moment is activated, which means that the wheel

always remains still. e holding moment disappears if the voltage to the control unit is

lost.

•e motor is mounted with a 3 m cable as standard.

•If total cable length exceeds 3 m, external EMC lters should be used.

DESCRIPTION OF FUNCTIONS

Output frequency 0-312 Hz

Acceleration and

retardation time

30 sec

Ambient temperature,

non condensing

-30 - +45 OC

Protection form Type 1/IP54

Weight 1,2 kg

Dimensions, HxWxD 203x187x70 mm

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

50/60 Hz

Power input, max. 240 W

Input current, max. 1,9 A

External fuse, max. 10 A

Output voltage*) 3x0-280 V

Motor current/phase 2,0 A

Internal fuse **) 2,5 AT *) Exact value cannot be obtained with a digital measuring instrument

**) e fuse protects both motor and electronics

TECHNICAL DATA CONTROL UNIT

Max. moment 4 Nm

Min. rotation speed 1 rpm

Max. rotation speed 375 rpm

Motor temperature, mantle max. 110 OC

Sha diameter 14 mm

Sha length 40 mm

Ambient temperature -30 - +45 OC

Protection form IP54

Weight incl. motor bracket 4 kg

Dimensions incl. sha and

motor bracket HxWxL

130x130x171 mm

TECHNICAL DATA MOTOR

Operational indications

Alarm indications

Push button for Reset

DIP switches

ON to le

Adjustments

FUNCTIONS

4 1 2 35

DIP SWITCHES

Cleaning Cleaning function connected in ON position.

When the wheel has been still for 30 minutes, the cleaning function is

activated and the wheel rotates for 20 seconds at 12 rpm.

Rotation monitor Rotation monitor connected in ON position.

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

Low speed *) e wheel rotates at the preset min. speed (1 rpm) when the switch is set

to ON.

*) Manual running (test mode)

OPERATIONAL INDICATIONS

On/Alarm "Voltage on" comes on with a xed light.

Flashes 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, whatever the setting

of the "Rotation monitor" DIP switch.

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

ALARMS

In the event of an alarm the control unit restarts aer 30 seconds. e respective red light diode comes

on for the same duration (30 seconds).

Aer restart the light diode goes out, this happens twice. e third time, the alarm relay closes and

the alarm "moves on". In order for the alarm relay to close and the alarm to "move on", the above

three alarm signals must occur within 90 minutes, otherwise the sequence is reset.

e green light diode comes on with a xed light for the rst and second alarm and begins to ash on

the third alarm. All alarms subsequently remain.

Rotation monitor Alarms and trips if a pulse is not received every 30 minutes at min.

rotation speed (1 rpm) and every 20 seconds at max. rotation speed

(375 rpm).

e time between these speeds is linear.

e function can be disconnected via DIP switches.

Continued on next page

Continued from previous page

Probable fault cause on

installation

Probable fault cause in

operation

- Magnet turned the wrong way

- Magnet transmitter incorrectly connected (wrong polarity),

see CONNECTIONS on page 9

- Too big a gap between magnet transmitter and magnet, max. 15 mm

- Broken belt

- Belt slipping

- Stuck wheel

- e magnet transmitter or magnet is not intact

Motor temperature Alarms and trips if the coil temperature in the motor is too high.

e thermal contact in the motor returns to normal mode once the

temperature falls.

Over-voltage Alarms and trips if the input voltage exceeds 265 V.

Under-voltage Alarms and trips if the input voltage falls below 190 V.

Over/under temperature Alarms and trips if the temperature in the control unit goes above/below

safe temperature level (+85 - -30 OC).

Short circuit

Probable fault cause

Alarms and trips in the event of short circuit phase-phase or phase-earth.

- Short circuit between phases in cable or motor

- Short circuit between phase-earth in cable or motor

- Interruption to one phase in cable or motor

Measure motor resistance; it should be identical on all coils.

Internal fault Alarms and trips if an internal fault in the control system has occurred.

ADJUSTMENTS VIA POTENTIOMETER

Manual speed By closing A1-A2 the speed is controlled via the potentiometer marked

"Manual speed". Can be regulated between 1-375 rpm.

e wheel rotates at the set speed, whatever the value of the input signal.

Factory setting: 1 rpm on motor sha.

Max. speed Potentiometer for adjusting max. speed.

Regulates between 50-375 rpm.

Factory setting: 50 rpm on motor sha.

PUSH BUTTON

Reset Reset button for resetting the control unit. e control unit is also reset in

the event of voltage drop-out and closure between terminal 11 and 12.

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