Hoval DRHX-1055 MAD5 Manual Download Page 2

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Technical data

Motor MRHX-3P0xN-03C5

MRHX-02N

MRHX-04N

MRHX-08N*

Control unit

DRHX-1055 MAD5

DRHX-1220 MAD5

Max Torque

Input Signal

0-10

Output Rpm 50Hz

150 / 170 / 200 / 400* rpm

Voltage Input 50/60Hz

1x230

Motor voltage

3x0-200 V AC

Motor power

0,055

0,110

0,220

Rated current

0,6

2,4

Class of protection

IP54

Weight

motor

2,4

3,5

Weight

controller

0,9

Shaft Ø

(motor)

8 Nm torque at max. 250 motor rpm

–

but only max. 5 Nm torque at max. 400 motor rpm

Summary of Contents for DRHX-1055 MAD5

Page 1: ...efore connecting mains voltage to the DRHX controller all components i e stepper motor belt pulley and rotor must be installed correctly all openings covers and cable glands must be properly fitted and closed To maintain the specified enclosure rating unused cable glands should be replaced with blank glands plug Controller DRHX contains capacitors which become charged during operation These capaci...

Page 2: ...m 50Hz 150 170 200 400 rpm Voltage Input 50 60Hz V 1x230 1x230 1x230 Motor voltage V 3x0 200 V AC 3x0 200 V AC 3x0 200 V AC Motor power kW 0 055 0 110 0 220 Rated current A 0 6 2 4 2 4 Class of protection IP54 IP54 IP54 Weight motor kg 2 4 3 5 5 Weight controller kg 0 9 0 9 0 9 Shaft Ø motor mm 12 12 12 8 Nm torque at max 250 motor rpm but only max 5 Nm torque at max 400 motor rpm 6 ...

Page 3: ... to avoid false alarms and errors it is important to install it proper The stepper motor comes with four holes for attachment to a solid mounting plate The mounting plate must be firmly attached to the chassis of the rotary heat exchanger or AHU see figure 12 2 1 marked 1 Do not use vibration dampers or springs Must be mounted on a fixed motor bracket ELECTRICAL INSTALLATION Potential equalization...

Page 4: ...pushing the wire into the terminal without using tools Alternatively the terminal spring can be loosened by pressing it lightly with a screwdriver or similar implement See fig 13 9 Stripped wire ends or end sleeves must be between 8 and 10 mm Wires can be removed by carefully loosening the terminal spring by pressing lightly with a screwdriver or similar implement See fig 13 9 Cable entries cable ...

Page 5: ...the connector from the cable from the DRHX extension cable The connector can be separated again by releasing the locking pawl on both sides of the connector on the motor cable and pulling the 2 connectors apart The extension cable should be connected to the terminals marked U Brown V Black W Blue PE Yellow Green If rotation of rotor is wrong switch the V black and W blue cable to change motor dire...

Page 6: ...changer from Hoval The DRHX series is equipped with 4 DIP switches for setting e g the stepper motor size and maximum motor speed DIP 1 2 motor size DIP 3 4 motor rpm see table 15 1 1 and 15 1 2 Required motor rpm is calculated by Hoval Depends on rotor Ø pulley Ø rotor and motor torque and given rotor rpm See table 15 1 3 Table 15 1 3 ...

Page 7: ... long the button is pressed in Running Test for RHE Belt should be mounted on rotor and pulley Start the test by pressing and continuously holding the test button The controller will enter test mode Visible in display and LED will be orange The test will remain active until the test button is released During this test run the motor will rotate with a maximum speed of 100 rpm Stop the test by relea...

Page 8: ...ies of rotor monitoring systems internal and external The factory setting is Internal rotor guard external is an option Hoval option RG3 Internal rotor guard The internal rotor guard monitors the rotation of the rotor by measuring the electronical signal returning from the motor will take place every 10 seconds After five consecutive failed detections within 1 hour the alarm E01 is given see page ...

Page 9: ...g signal Built in protection If the temperature inside DRHX overstep 95 C DRHX will attempt to reduce its internal heat generation by reducing the amount of current that is sent to the stepper motor DRHX has built in current limitation for the protection of stepper motor and cables and can therefore not supply more current than it is rated to see technical data page 2 DRHX is short circuit protect...

Page 10: ...turn green See point 8 7 If the stepper motor continues to run for more than one minute a recalibration needs to be done Recalibration Press and keep pressing the test button until LED flashes orange can take 10 50 sec Remove your finger from the button and the LED will turn green the pulley internal rotor guard has been calibrated 8 After turn off the DRHX controller and mount the belt Start norm...

Page 11: ...st page 10 Make the test calibration again see page 10 If the motor is too powerful for the rotors load large motor to a very small load The rotor torque is lower than the internal rotor guards minimal torque limit for chosen type of DRHX MRHX system i e spare part for old RHE Exchange type of MRHX motor and if needed DRHX controller so its fits the rotor type Contact Hoval for support E06 Wobblin...

Page 12: ...at the DRHX has a signal connected to the Start Stop input digital input Din 1 2 or 3 depending on the configuration Lacking 0 10 V DC control signal Check that DRHX receives an operating signal 1 1 V on 0 10 V In Active alarm Read active alarms via the display and remove what is causing the alarm see page 11 can also be read by using DRHX PC Tool or via Modbus The stepper motor has been stopped 5...

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