FläktGroup EQRO Drive system Installation and Maintenance Manual

Brand: FläktGroup

Model: EQRO Drive system

Type: Installation and Maintenance Manual

FläktGroup EQRO Drive system gives you the ultimate control over rotating heat exchangers. With its linearization of the input signal, the rotor’s efficiency is proportional to the input signal. The drive has a built-in cleaning function and a rotation monitor with associated magnetic sensor, both of which can be disabled via DIP switches. The drives restart automatically after a voltage dip and resets all alarms on restart. The motor is equipped with a holding torque to avoid windmilling when stationary, and a 2 m cable as standard.

FläktGroup DC_10244GB 20181126_R0 We reserve the right to make changes without prior notice

EQRO, CONTROL UNIT FOR ROTATING

HEAT EXCHANGER

INSTALLATION AND MAINTENANCE INSTRUCTION

CONTENT

Installation instructions ............................................................................................... 2

Safety instructions ........................................................................................................ 2

Mounting .......................................................................................................................... 2

Description of functions .............................................................................................. 2

Technical data drive .....................................................................................................3

Technical data motor ...................................................................................................3

Functions .......................................................................................................................... 3

DIP switches .....................................................................................................................4

Operational indications .................................................................................................4

Alarms .................................................................................................................................4

Adjustments via potentiometer ................................................................................4

Push button .......................................................................................................................4

Connection diagram ..................................................................................................... 5

Connections ..................................................................................................................... 5

Input signal/Rotation speed ..................................................................................... 5

Variﬁcation before switching on the control unit .............................................5

Commissioning ............................................................................................................... 5

EMC installation ..............................................................................................................6

Installation and maintenance Instruction

FläktGroup DC_10244GB 20181126_R0 We reserve the right to make changes without prior notice

SAFETY INSTRUCTIONS

The following symbols and references will be used in this description

These important instructions apply to personal protection and technical

safety during operation.

TECHNICAL DATA DRIVE

DESCRIPTION OF FUNCTIONS

Mains 1x230 VAC +/- 15%, 50/60 Hz

Input power 110 W 240 W 500 W

Input current 0.9 A 1.9 A 2.2 A

External fuse 10 A

Output voltage 3 x 280 V

Motor current 0.7 A 2.0 A 3.2 A

Internal fuse 2.5 A (T)

Output frequency 0-290 Hz 0-312 Hz 0-333 Hz

Acceleration and

retardation

30 s

Ambient temperature

(non condensing)

- 30 °C - +45 °C

Protection IP 54

Weight 1.1 kg 1.2 kg 2.6 kg

Dimensions (HxWxD)

173x187x70 mm 203x187x70 mm 142x150x180

Compliances EMC Directive 2004/108/EC

Low Voltage Directive 2006/95/EC

RoHS Directive 2011/65/EU

Standards:

EN 61800-3:2004, C1 (emission) C2 (immunity)

EN 61800-5-1.

- There are three different sizes of motors and drives. All control units

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

0-10 V.

- The drives have a built-in linerarization of the input signal, which

means that the rotor’s efficiency is proportional to the input signal.

- The drives have a preset threshold value of 0,1 V (hysteresis 0,13–0,07 V).

If the input signal falls below this value, the rotor stops.

- The drives have a rotation monitor (magnet mounted on the rotor with

associated magnetic sensor) and built-in cleaning function.

The functions can be disabled via DIP switches.

- The drives restart automatically after a voltage dip and

resets all alarms on restart.

- The motors are stepper motors and have the same torque over the

entire speed range.

- To avoid windmilling a holding torque is applied when motor is

stationary.

- The motor is equipped with a 2 m cable as standard.

- If total cable length exceeds 3 m, external EMC filters should be used.

”Safety instruction”

”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 off 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 after the main

current has been switched off.

MOUNTING

Mounting hole

5 ø

Mounting hole

5 ø

Disposal and recycling

When replacing components or when the control unit

in its entirety need replacing, please follow the advice

below: The 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

Warning indication

Any damage that may affect safety must be dealt

with immediately.

Maintenance/Repairs

The 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.

Installation and maintenance Instruction

FläktGroup DC_10244GB 20181126_R0 We reserve the right to make changes without prior notice

FUNCTIONS

TECHNICAL DATA MOTOR

DIP switches ON to left

Operational indications

Alarm indications

Adjustments

Push button for Reset

(Max 2A/250V AC)

4 5 1 2

T U V W

1x230 V Alarm relay 0-10V

Man.

speed Rotation

monitor

Rotations

vakt Åter-

ställning

Reset

Till/On Från/Off

Cleaning function

Rotation monitor

High speed

Low speed

Renblåsning

Rotationsvakt

Högvarv

Lågvarv

1 2 3 4

Run

Rotation

Rotation monitor

Overtemp motor

Overvoltage

Undervoltage

Over/undertemp controller

Short circuit

Internal fault

Manual speed

A1-A2

Max rpm

Manuell hastighet

A1-A2

Maxvarv

ÅterställningReset

Till

Drift

Rotation

Rotationvakt

Övertemp motor

Överspänning

Underspänning

Över/undertemp styrenhet

Kortslutning

Internfel

Manuell

hastighet

Thermal

contact

Termo-

kontakt

Alarmrelä

Stepper motor 3-phase

Stegmotor 3-fas

N 13 14 15 A1 A2 2

wbr

3 9 10 11 12

(Max 2A/250V AC)

4 5 1 2

T U V W

1x230 V Alarm relay 0-10V

Man.

speed Rotation

monitor

Rotations

vakt Åter-

ställning

Reset

Till/On Från/Off

Cleaning function

Rotation monitor

High speed

Low speed

Renblåsning

Rotationsvakt

Högvarv

Lågvarv

1 2 3 4

Run

Rotation

Rotation monitor

Overtemp motor

Overvoltage

Undervoltage

Over/undertemp controller

Short circuit

Internal fault

Manual speed

A1-A2

Max rpm

Manuell hastighet

A1-A2

Maxvarv

ÅterställningReset

Till

Drift

Rotation

Rotationvakt

Övertemp motor

Överspänning

Underspänning

Över/undertemp styrenhet

Kortslutning

Internfel

Manuell

hastighet

Thermal

contact

Termo-

kontakt

Alarmrelä

Stepper motor 3-phase

Stegmotor 3-fas

N 13 14 15 A1 A2 2

wbr

3 9 10 11 12

(Max 2A/250V AC)

4 5 1 2

T U V W

1x230 V Alarm relay 0-10V

Man.

speed Rotation

monitor

Rotations

vakt Åter-

ställning

Reset

Till/On Från/Off

Cleaning function

Rotation monitor

High speed

Low speed

Renblåsning

Rotationsvakt

Högvarv

Lågvarv

1 2 3 4

Run

Rotation

Rotation monitor

Overtemp motor

Overvoltage

Undervoltage

Over/undertemp controller

Short circuit

Internal fault

Manual speed

A1-A2

Max rpm

Manuell hastighet

A1-A2

Maxvarv

ÅterställningReset

Till

Drift

Rotation

Rotationvakt

Övertemp motor

Överspänning

Underspänning

Över/undertemp styrenhet

Kortslutning

Internfel

Manuell

hastighet

Thermal

contact

Termo-

kontakt

Alarmrelä

Stepper motor 3-phase

Stegmotor 3-fas

N 13 14 15 A1 A2 2

wbr

3 9 10 11 12

Max. torque 2 Nm 4 Nm 10 Nm

Min. rotation speed 1 rpm

Max. rotation speed 350 rpm 375 rpm 400 rpm

Max. motor temperature 110 °C

Shaft length 40 mm 40 mm 35 mm

Shaft diameter 14 mm 14 mm 19 mm

Protection IP 54

Weight 2.6 kg 4.0 kg 8.4 kg

Dimensions (HxWxD) 130x130x110 mm 130x130x171 mm 142x150x180

Installation and maintenance Instruction

FläktGroup DC_10244GB 20181126_R0 We reserve the right to make changes without prior notice

ADJUSTMENTS VIA POTENTIOMETER

PUSH BUTTON

Manual speed By closing A1-A2 the speed is controlled via the poten-

tiometer marked ”Manual speed”. It can be adjusted

between 1 and maximum design speed of motor (see

table ”Technical data motor”).

The motor rotates at the set speed, regardless of the

value of the input signal. Factory setting: 1 rpm on motor

shaft.

Max. speed Potentiometer for adjusting max. speed.

Adjustable between 50 and maximum design speed.

Factory setting: 50 rpm on motor shaft.

Reset Reset of drive. The drive is also reset in the event of

voltage drop-out and by jumpering terminal 11 and 12.

Rotation monitor Activated if a pulse is not received every 30

minutes at min. rotation speed and every 20

seconds at max. rotation speed. The time

between these speeds is linear. The function can

be disconnected via DIP switches.

Probable fault cause

on installation

- Magnet turned the wrong way

- Magnet transmitter connected incorrect

(wrong polarity), see CONNECTIONS on page 4

- Too big a gap between magnet transmitter

and magnet, max. 15 mm

Probable fault cause

in operation

- Broken belt

- Belt slipping

- Rotor is stuck or to heavy

- The magnet transmitter or magnet is broken

Motor temperature Activated if the coil temperature in the motor

is too high. The thermal contact in the motor

returns to normal when the temperature drops.

Over-voltage Activated if the input voltage exceeds 265 V.

Under-voltage Activated if the input voltage falls below 190 V.

Over/under

temperature

Activated if the temperature in the control unit

exceeds temperature span -30 °C - +85 °C

Short circuit Alarms and trips in the event of short circuit

phase-phase or phase-earth.

Probable fault cause - Short circuit between phases in cable or

motor

- Short circuit between phase-earth in cable or

motor

- Cable break to one phase

Measure motor resistance; it should be identical

on all coils.

Internal fault Activated if an internal fault in the control system

has occurred.

DIP SWITCHES

OPERATIONAL INDICATIONS

*) Manual running (test mode)

Cleaning Purging function activated when in ON position.

Every ten minutes the motor rotates first 6 s at 5 rpm

and then another 10 to 20 s (randomized) at 20 rpm.

Rotation monitor Rotation monitor activated in ON position.

High speed *) The motor rotates at the set max. rpm when the

switch is set to ON.

Low speed *) The motor rotates at the preset min. speed (1 rpm)

when the switch is set to ON.

On/Alarm "Fixed green light when powered on. Flashes when the

control unit has tripped.

Run Lit when the motor is going to rotate, i.e. when the input

signal exceeds the threshold value.

Rotation Flashes when the magnet passes the magnetic sensor,

regardless of DIP-switch settings and input signal value.

ALARMS

In the event of an alarm the respective red alarm LED is turned on for 30

seconds. After the restart the LED is turned off.

This sequence is repeated twice if the fault remains. After a third time the

system enter error mode and the alarm relay is activated. All three alarm

events must be activated within 90 minutes to activate error mode.

The green LED is fixed during first and second alarm and flashes during

third. All alarms are latched subsequently.

Installation and maintenance Instruction

FläktGroup DC_10244GB 20181126_R0 We reserve the right to make changes without prior notice

CONNECTIONS

The voltage must be switched off before undertaking any work on the

equipment. Recommended tightening moment 0,5 Nm, max. tightening

moment 0,8 Nm.

Should be done in sequence

The input signal is directly proportional to the efficiency of the rotor,

which means that input signal and rotation speed are as per adjoining

diagram.

Rotation speed [%] Input signal - rotation speed

Input signal 0-10 V

VERIFICATIONS BEFORE SWITCHING ON THE CONTROL UNIT

COMMISSIONING

CONNECTION DIAGRAM

INPUT SIGNALS/ROTATION SPEED

Verify that

the drive is connected according to instructions on page 9.

Input voltage 230 VAC +/-15%, 50/60 Hz.

Verify that the input signal is 0-10 V.

Verify that rotation monitor and cleaning function are connected.

Verify that the motor rotates in the desired direction. If erro-

neous direction, switch two motor phases.

Adjustment of

max. speed

Set DIP switch ”High Speed” to ON. Adjust "Max.

speed" until the rotor rotates at desired speed.

Verifying minimum

speed

Set DIP switch ”Low Speed” to ON. Ensure that

the rotor starts to rotate. The minimum speed is

preset.

Verifying the

purging function

Turn of main power. Ensure that the "Cleaning" DIP

switch is set to ON, and that the input signal is

disconnected. After turning on the power the rotor

rotates for 20 seconds at 12 rpm.

Controlling the

rotation monitor

The yellow "Rotation" light diode should flash when

the magnet passes the magnetic sensor, regard-

less the DIP switch position.

Finalize the test by rotating the rotor at maximum and minimum rota-

tion speed and verifying that the rotor speed is

correct.

Input voltage

(L-N-PE)

1x230 VAC +/-15 %, 50/60 Hz.

NOTE! Protective earth must always be connected.

Alarm relay

(13-14-15)

Closes between 14-15 in the event of an alarm or if

unpowered. Closes during 13-15 during normal

operation. Max. 2 A resistive load/250 V AC.

Manual speed

(A1-A2)

Jumpering terminals forces motor to rotate

according to speed set by the manual speed dial.

Input signal

(2-3)

0-10 V.

Plus connected to terminal 2, minus to terminal 3.

Rotation monitor

(9-10)

White cable connected to terminal 9, brown to

terminal 10 for supplied transmitter.

The magnet is installed with south side (S) towards

the transmitter.

Max. distance 15 mm.

12 V output

(3-11)

Output for 12 V DC. Terminal 3 is minus, terminal 11

is plus.

Reset

(11-12)

Remote reset in the event of alarm.

The drive is reset automatically in the event of

voltage dip.

Thermal contact

(T-T)

Protect motor from overheating.

Must be connected.

Motor

(U-V-W)

Motor connection. Only supplied motor can be used.

Direction of rotation is changed by switching two of

the phases.

100

0 1 2 3 4 5 6 7 8 9 10

(Max 2 A / 250 V AC)

L N 14 15

2 3

9 10

A1 A2

11 12

TT UV

1 x 230 VAC

Alarm relay

Man.

speed

Input

signal

0 - 10 V

Reset

Rotation

monitor

Thermal

contact

Stepper motor 3-phase

5 2

4 1

(Max 2 A / 250 V AC)

L N 14 15

2 3

9 10

A1 A2

11 12

TT UV

1 x 230 VAC

Alarm relay

Man.

speed

Input

signal

0 - 10 V

Reset

Rotation

monitor

Thermal

contact

Stepper motor 3-phase

5 2

4 1

Installation and maintenance Instruction

FläktGroup DC_10244GB 20181126_R0 We reserve the right to make changes without prior notice

EMC INSTALLATION

Incoming mains

Not shielded

Motor cable 7G0.5

Shielded

Input signal

Shielded

Magnet transmitter,

LiYCY 2x0.34

Shielded

EMC glands must be used for shielded cables.

The above cables, or equivalent, must be used to comply with the terms

of the EMC Directive.

FläktGroup EQRO Drive system Installation and Maintenance Manual

FläktGroup EQRO Drive system Installation and Maintenance Manual

FläktGroup EQRO Drive system Installation and Maintenance Manual

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