ZIEHL-ABEGG PKDM10, DControl PKDM Series, PKDM12, PKDM15, PKDM20 Operating Instructions Manual

Operating instructions

Date 0730

Dcontrol

Type PKDT / PKDM
Controllers for voltage-regulated

3-phase motors

Applications:

• Speed controller for fans in refrigeration, air-conditioning
and clean-room engineering

• Pressure / temperature controller for refrigeration engineering

Manufacturer: ZIEHL-ABEGG AG

Heinz-Ziehl-Straße
D-74653 Künzelsau
Phone: [phone]
Fax: [phone]
e-mail: [e-mail]
internet: http://www.ziehl-abegg.de

PKDT5: Software D1238A Part-No. 00162653 from version 10
PKDM5..80.: Software D1197A Part-No. 00162616 from version 07 (with two sensor inputs)

From year of construction: 2007

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Operating instructions Dcontrol Date 0730

Contents

1. General.................................................................................................................................. 4

2. Safety measures................................................................................................................... 4

3. General description ............................................................................................................. 5

3.1 Scope of applications ........................................................................................................................................... 5

3.2 Technical data ...................................................................................................................................................... 5

3.3 Versions ............................................................................................................................................................... 6

3.4 Power decrease for increased ambient temperatures ......................................................................................... 7

4. Installation ............................................................................................................................ 8

4.1 Mounting............................................................................................................................................................... 8

4.2 Minimum space requirement................................................................................................................................ 8

4.3 Outdoor installation .............................................................................................................................................. 8

4.4 Installation location for agriculture........................................................................................................................ 8

4.5 Temperature influences during commissioning ................................................................................................... 8

4.6 Residual-current-operated protective device ....................................................................................................... 8

4.7 Potential at control voltage connections .............................................................................................................. 8

4.8 Employment in the IT Net..................................................................................................................................... 8

5. Electrical connections ......................................................................................................... 9

5.1 Mains connection ................................................................................................................................................. 9

5.2 Adjustment to specific mains conditions .............................................................................................................. 9

5.3 Motor connection.................................................................................................................................................. 9

5.3.1 Motor feeder cable ...................................................................................................................................................... 9

5.4 Motor noise......................................................................................................................................................... 10

5.5 Motor protection ................................................................................................................................................. 10

5.6 Special function only for PKDM..: Motorstart with maximum output voltage „Hard start function “ ................... 10

5.7 Signal cable (sensor cable)................................................................................................................................ 10

5.8 Enable ON / OFF................................................................................................................................................ 11

5.9 Signal connection or sensor connection (Analog IN1, Analog IN2)................................................................... 11

5.10 External speed setting (operation as a speed controller) ................................................................................ 11

5.10.1 Inverting setting signal........................................................................................................................................... 11

5.10.2 Operation with second setting signal at input „E2“ (special function only for PKDM..) .................................. 11

5.11 Sensor Connection (operation as a P-controller)............................................................................................. 12

5.11.1 Operation with a second sensor signal at input “E2” for dual circuit condensers (only for PKDM..) ............12

5.12 Switch over control function at Digital IN 2 (only for operation as P-controller)............................................... 12

5.13 Fault indications ............................................................................................................................................... 12

5.14 Voltage supply for external equipment............................................................................................................. 12

5.15 Output voltage (0-) 10 V (needed only as required) ........................................................................................ 12

6. General settings and operating elements........................................................................ 13

6.1 Programming the operating mode (speed controller / P- controller).................................................................. 13

6.2 Controls .............................................................................................................................................................. 14

7. Settings for operation........................................................................................................ 15

7.1 Settings for operation as a speed controller ...................................................................................................... 15

7.1.1 Setting of output voltage via potentiometer „SET“ ...............................................................................................15

7.1.2 Setting of output voltage via external signal or external potentiometer.............................................................. 15

7.1.3 Min. speed „n-min“ (minimum output voltage or basic speed) ............................................................................ 15

7.1.4 Max. speed „n-max“ (derating) and Cos φ-adjustment .........................................................................................15

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Operating instructions Dcontrol Date 0730

7.1.5 Operation with two variable output voltages (2 steps).......................................................................................... 16

7.2 Settings for operation as a controller ................................................................................................................. 17

7.2.1 Adjusting the nominal value via potentiometer “Set” ...........................................................................................17

7.2.2 Adjusting the control range via potentiometer “Pband”....................................................................................... 18

7.2.3 Min. speed „n-min“ (minimum output voltage or basic speed) ............................................................................ 18

7.2.4 Max. speed „n-max“ (derating) and Cos φ-adjustment .........................................................................................18

7.2.5 Setting with pressure / temperature refrigerant medium table for Type PKDT5 with MBG-30I .........................19

7.2.6 Setting with pressure / temperature refrigerant medium table for type PKDM5..80 with MBG-30I.................... 20

7.2.7 Minimum airflow rate (Minimum air shutdown active / not active).......................................................................21

7.2.8 Reversed control function (Act>Set = n+)...............................................................................................................21

8. Faults and rectification of these ....................................................................................... 22

8.1 Mains fault .......................................................................................................................................................... 22

8.2 Temperature fault ............................................................................................................................................... 22

8.3 Motor fault .......................................................................................................................................................... 22

8.4 Sensor-signal faults............................................................................................................................................ 23

8.5 If controller doesn´t work correctly ..................................................................................................................... 23

9. Enclosure............................................................................................................................ 24

9.1 Connection diagram PKDT5 .............................................................................................................................. 24

9.2 Connection diagram PKDM5..80........................................................................................................................ 25

9.3 Connection suggestion for several motors with motor protection unit type STDT............................................. 26

9.4 Dimension sheet................................................................................................................................................. 27

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Operating instructions Dcontrol Date 0730

1. General

Before installation and start-up, read this manual carefully to ensure a correct use.

Attention! Hazardous area!

Danger owing to electric current or voltage!!

Important information!

• The copyright for these operating instructions remains to ZIEHL-ABEGG AG, Künzelsau.

• The device is constructed in accordance with the current state of technology and the recognised safety regulations.

Nevertheless, use of the device is associated with dangers which may cause death or injury to users or third parties as
well as damage to the system and other objects.

• The device is intended exclusively for the tasks listed in the order confirmation. Any other or extraordinary uses of the
device (unless previously agreed by contract) are considered contrary to regulations. The manufacturer is not liable for
damages resulting from incorrect use. The operating company alone bears the risk.

• To allow for future developments, construction methods and technical data given are subject to alteration. We do not
accept any liability for possible errors or omissions in the information contained in data, illustrations or drawings
provided.

• The controllers are packed ex factory to suit the transport method previously agreed. Always use the original packaging
materials when transporting the controller. When transporting by hand, ensure that personnel possess the strength
required to lift and carry the device. Avoid shocks and impacts to the device. Check the packaging and controller for
damage.

• Store the controller in its original packaging in a dry and weather-proof room. The device must not be exposed to
extreme heat and low temperatures

.

2. Safety measures

In the case of a malfunction or a failure of the equipment check all functions with alarms in order to prevent
injury to persons or property. Note possibility of back-up operation.
If used in intensive animal environments, any malfunctions in the air supply must be detected as soon as
possible to prevent the development of a life-threatening situation for the animals. The design and installation of
the system must comply with local regulations and directives. In Germany these include DIN VDE 0100, the
animal protection and the keeping of working animals ordinance and the pig-keeping ordinance etc.
Also note the instructions of AEL, DLG, VdS.

• Apart from the operating instructions and the obligatory regulations to be followed by users relating to accident
prevention, the recognised technical regulations must also be observed (safety and branch-related work as per UVV,
VBG, VDE, etc.).

• These devices are potentially dangerous if they are used incorrectly by untrained personnel or are not implemented
according to their specified use.

• Work on electric components/modules may only be carried out by trained electricians in accordance with
electro-technical regulations (e.g. EN 60204, DIN VDE 0100/0113/0160).

• The contractor or owner must also ensure that the electric systems and equipment are operated and maintained in
accordance with electro-technical regulations. The owner is obliged to ensure that the device are operated in perfect
working order only.

• It is forbidden to carry out work on electrically live parts. The rating given in the enclosure for the device when
open is IP00! It is possible to inadvertently touch components carrying hazardous voltages!

• During operation, the device must be closed or installed in a control cabinet.

• Fuses may only be replaced by new ones and must not be repaired or bypassed. The data for the maximum line fuse

are to be considered absolutely () Technical data). Use only fuses specified in schematic diagrams.

• The safe isolation from the supply must be checked using a two-pole

• Any faults detected in the electric system/modules/operating equipment must be corrected immediately. If these faults

are not corrected, the device/system is potentially very dangerous. The device/system must therefore not be operated
when it is faulty.

voltage detector.

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Operating instructions Dcontrol Date 0730

3. General description

3.1 Scope of applications

The controlling device as described is intended for infinitely variable speed settings in voltage-regulated 3-phase motors
for driving fans and pumps.

3.2 Technical data

The name plate data refer to a maximum ambient temperature of 40°C. (with internal semiconductor fuses) or 50°C
(without internal semiconductor fuses).

version: housing IP54, internal semiconductorfuses

Rated current for

Type

PKDT5 304555 5 2.4

PKDT5* 304556 5 2.4

PKDM5 304558 5 2.4

Part.-

No.

40°C {1}

[A]

max. line fuse {2}

[A]

10

inte rna l semiconductor fuse

{3}

(Part-No.)

FF20A 6x32m m

Pack of 10 fuses : 349026

Heat dissipation

approx. [W]

25

Weight

[kg]

Line voltage

3~ 415 V, (-18 % .. +6 %)

50/60 Hz

PKDM10 304559 10 50 2.8

PKDM12 304570 12 55 3.4

PKDM15 304560 15 20 70 4.7

PKDM20 305594 20 25

PKDM25 305532 25 35

PKDM35 305533 35 50

PKDM50 305563 50 63

PKDM80 305564 80 100

PKDM20(500V) 305600 20 25

16

FF30A 10x38mm

pack of 10 fuses: 349027

FF30A 10x38mm gRL

single fuse 00155984

FF50A D02

pack of 10 fuses: 349028

FF63A D02

pack of 10 fuses: 349029

FF100 A NH0 0

single fuse 00150230

FF160 A NH00

single fuse (00089793)

FF30A 10x38mm gRL

single fuse 00155984

80 5.7

100 12. 7

150 13. 0

170 19. 5

270 20. 5

80 5.7

version: housing IP54, no internal semiconductor fuses

Rated current for

Type

PKDT5Z 304573 5 10 25 2. 4

PKDM10Z 304574 10 16 45 2.8

PKDM12Z 304575 12 16 50 3.35

PKDM15Z 304576 15 20 65 4.7

PKDM20Z 305597 20 25

PKDM25Z 305576 25 35

PKDM35Z 305577 35 50

PKDM50Z 305578 50 63

PKDM80Z 305579 80 100

Part.-

No.

50°C {1}

[A]

max. line fuse {2}

[A]

semiconductor fuse

installation on site {4}

(Pa rt.-No)

FF20A 6x32m m

pack of 10 fuses : 349026

FF30A 10x38mm

pack of 10 fuses: 349027

FF30A 10x38mm gRL

single fuse 00155984

FF 50 A D02

(fuse kits 349030)

FF 63 A D02

(fuse kits 349031)

FF100 A NH00

(fuse kits 349032)

FF160 A NH00

(fuse kits 349033)

Heat dissipation

approx. [W]

75 5.65

95 12.2

140 13. 0

160 19. 5

255 20. 5

Weight

[kg]

3~ 208 - 415 V, (-10 % bis +6 %)

50/60 Hz

3~ 208 - 500 V, (-10 % .. +10%)

50/60 Hz

Line voltage

3~ 415 V, (-18 % .. +6 %)

50/60 Hz

3~ 208 - 415 V, (-10 % bis +6 %)

50/60 Hz

version: housing IP20 for switch cabinet mounting, no internal semiconductor fuses.

Rated current for

Type

PKDM25E 305547 25 35

PKDM35E 305548 35 50

PKDM50E 305588 50 63

PKDM80E 305589 80 100

* for “mobile applic ation“ version, phase failure is deactivated!
{1} for line voltage 400 V / 50 Hz or 500 V / 50Hz for speci al version PKDM. .(500V)
{2} Max. supply side line fuse acc ording to DIN EN 60204-1 classi fication VDE0113 c hapter 1
{3} with internal semiconductor fuse (no line protection)
{4} semic onduct or fuse inst allat ion on sit e recomm ended. Prot ection for damages in the case of short-circuits. Not in the scope of suply, as acc essories available!

Part.-

No.

50°C {1}

[A]

max. line fuse {2}

[A]

semiconductor fuse

installation on site {4}

(Pa rt.-No)

FF 50 A D02

(fuse kits 349030)

FF 63 A D02

(fuse kits 349031)

FF100 A NH00

(fuse kits 349032)

FF160 A NH00

(fuse kits 349033)

Heat dissipation

approx. [W]

95 7.2

140 7.4

160 13. 8

255 15. 4

Weight

[kg]

Line voltage

3~ 208 - 415 V, (-10 % bis +6 %)

50/60 Hz

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Operating instructions Dcontrol Date 0730

{ Maximum cross section for line and motor connection

PKDT5 / PKDM5..20: 2.5 mm

PKDM25/35 : 6 mm2

PKDM25/35E: 10 mm2

PKDM50/80 (E) : 35 mm2

{ Stepless controlled output voltage approx. 20-100 % (line voltage)

Rampup time / Rampdown time for PKDM 5…35: ca. 5 sec
Rampup time / Rampdown time for PKDM 50/80: ca. 15 sec.

{ Minimum motor current

for PKDT5, PKDM5: 0.2 A
for PDKM10...80: 0.5 A

{ Input resistance for sensor or signal set for the rotational speed:

- For 0-10 V input: Ri > 100 kΩ

- For 4-20 mA input: Ri = 100 Ω

2

{ Voltage supply e.g. for sensors +24 V ±20 %, I

{ Output (0-) 10 V, I

10 mA (short-circuit-proof)

max

120 mA

max

- For function as speed controller: Fixed voltage 10 V for external potentiometer

- For function as a P-controller: 0-10 V proportional to the regulated output voltage

{ Max. permissible ambient temperature depending on version

- for controller with internal fuses type PKDT.. and PKDM..: 40° C (up to 55° C with derating)

- for without internal fuses type PKDM..E

{ Min. permissible ambient temperature 0° C (if mains voltage is not switched off up to -20°C)

{ Permissible installation height 0..4000m amsl above 1000 m amsl the rated current is to be reduced by

und PKDM..Z : 50° (up to 55° C with derating)

5% / 1000m

{ Permissible rel. humidity 85 %, no condensation

{ Electromagnetic compatibility for the standard voltage 230 / 400 V according to DIN IEC 60038

- Interference emission in accordance with EN 61000-6-3

- Interference immunity in accordance with EN 61000-6-2

{ Harmonics current EN 61000-3-2

The units comply with EN 61000-3-2 for a "professional unit". Up to a maximum current of
4 ampere the limits were complied without any qualification.

3.3 Versions

IP 54 for wall mounting

♦ PKDT5 Motor protection using thermostat connection, internal semiconductor fuses
♦ PKDT

5Z Motor protection using thermostat connection, semiconductor fuses construction site

♦ PKDM.. Motor protection using thermostat or thermistor connection.
♦ PKDM

..Z Motor protection using thermostat or thermistor connection, semiconductor fuses construction site

IP20 for switch cabinet mounting

♦ PKDM..E Motor protection using thermostat or thermistor connection, semiconductor fuses construction site

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Operating instructions Dcontrol Date 0730

3.4 Power decrease for increased ambient temperatures

The unit´s maximum permissible ambient temperature is depending on version 40° C, or 50°C.Up to that temperature a
load of the quoted rated current is possible. The removal of heat in the unit due to power dissipation is dependent on the
ambient temperature, so the maximum load has to be reduced if the ambient temperature is higher than 40° C or 50°C!
For each degree higher the load has to be reduced approx.. 2.2%.
The median (measured 24 h) has to be 5° C below the max. ambient temperature. Pay attention of the unit´s power
dissipation and their possible effects on the ambient temperature if the unit is mounted in a switch cabinet () General
description: Technical data)!

Maximum load for ambient temperatures higher 40°C for versions with internal fuses

Type Part-No.

PKDT5 304555 5 4,5 3,9 3,4
PKDT5 304556 5 4,5 3,9 3,4
PKDM5 304558 5 4,5 3,9 3,4
PKDM10 304559 10 8,9 7,8 6,7
PKDM12 304570 12 10,7 9, 4 8,0
PKDM15 304560 15 13,4 11, 7 10,1
PKDM20 305594 20 17,8 15, 6 13,4
PKDM20(500V) 305600 20 17,8 15,6 13,4
PKDM25 305532 25 22,3 19, 5 16,8
PKDM35 305533 35 31,2 27, 3 23,5
PKDM50 305563 50 44,5 39, 0 33,5
PKDM80 305564 80 71,2 62, 4 53,6

Maximum load for ambient temperatures higher 50°C for versions without internal fuses

Type Part-No.

PKDT5Z 304573 5 4,5
PKDM10Z 304574 10 8,9
PKDM12Z 304575 12 10,7
PKDM15Z 304576 15 13,4
PKDM20Z 305597 20 17,8
PKDM25Z 305576 25 22,3
PKDM25E 305547 25 22,3
PKDM35Z 305533 35 31,2
PKDM35E 305548 35 31,2
PKDM50Z 305563 50 44,5
PKDM50E 305563 50 44,5
PKDM80Z 305564 80 71,2
PKDM80E 305589 80 71,2

Rated curre nt

for 40°C

Rated curre nt

for 50°C

max. current load

for 45°C

max. current load for

55°C

max. current load

for 50°C

max. current load

for 55°C

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Operating instructions Dcontrol Date 0730

4. Installation

4.1 Mounting

• Assemble the device on a clean and stable base. Do not distort during assembly! Use the appropriate mounting

devices for proper installation of the unit!

• Do not mount equipment on vibrating base!

• Use the appropriate fixing equipment. The plastic washers must be installed between the screw heads and the

housing for models with mounting holes on the inside of the housing!

• Install the device away from transport routes. However, ensure however that the device is still easily accessible!

• Depending on the housing model cut off necessary cable inlets respectively to the cable diameter. Or alternative use

cable inlet for cable glands. Metal sheet housings are supplied with stoppers. Any cable ducts openings not used
must be sealed!

• Protect the device from direct exposure to sunlight!

• The device is designed for vertical installation (cable inlet down). A horizontal or reclined installation is only

permissible after consultation with the manufacturer.

• Be sure to observe proper heat dissipation () Technical data, “heat dissipation”)

4.2 Minimum space requirement

In order to ensure sufficient ventilation of the device, clearance on all sides of at
least 50 mm has to be maintained to the housing walls, switch cabinet doors,
wiring ducts, etc. The same clearance applies to the installation of several
devices next to each other () illustration).
When installing several devices on top of each other, the danger of reciprocal
heating exists. This layout is only then permissible when the air suctioned from
the upper unit does not become warmer than the permissible ambient
temperature () Technical data). I.e., a correspondingly larger clearance or
thermal shielding is required.

4.3 Outdoor installation

Outdoor installation is possible up to -20°C when the controller supply is not switched off.
Installation must be protected from the effects of weather as much as possible, including protection from direct sunlight!

4.4 Installation location for agriculture

In order to avoid damage caused by ammoniac vapours (NH
rather in an outhouse wherever possible.

), the controller shall not be installed in the stable, but

3

4.5 Temperature influences during commissioning

Avoid condensation in the controller and hence functional faults attributable to condensation by storing the controller at
room temperature!

4.6 Residual-current-operated protective device

Owing to possible leakage currents occurring when the device is switched on, it is advisable to use short-time-delayed
current-operated circuit-breakers. This prevents any triggering by mistake.
Plants without neutral conductor connection ) Electrical connections: Mains connection.

4.7 Potential at control voltage connections

The control voltage connections (<50 V) relate to the joint GND potential (Exception: Relay contacts are potential free).
There is a potential separation between the control voltage connections and the earthed conductor.
It must be ensured that the maximum external voltage at the control voltage connections cannot exceed 50V (between
„GND“ terminals and „PE“ earthed conductor).
If necessary, a connection to the earthed conductor potential can be established, install bridge between “GND“ terminal
and the “PE“ connection (terminal for screening

)

4.8 Employment in the IT Net

In the IT net the neutral point of voltage supply is not grounded; in the case of a short-circuit between a phase (e.g. "L1")
and protective grounding "PE" becomes the protective grounding potential = "L1".
In order to ensure a trouble free operation in this case,

1. the "GND" potential of the control ports have to be connected with the protective grounding potential,

2. the "N" lead must not be connected.
As consequence of the connection

between "GND" potential of the control ports with protective grounding potential, the

following must be considered (exception relay contacts floating):

1. Only with lines for mains voltage and environment are suitable attach.

2. Attach over suitable isolating amplifiers.

min. 50 mm

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Operating instructions Dcontrol Date 0730

5. Electrical connections

5.1 Mains connection

Power from the mains is connected to terminals: PE, L1, L2, L3, and N. Here, it must be strictly observed that the mains
voltage lies within the allowable tolerance specifications () General description: Technical data and nameplate affixed
to the side).
The neutral conductor connection “N” is only for the leakage current´s reduction. It is of no significance for the function of
the device. The connection is not applicable for power supply networks without a neutral conductor. Since higher
leakage currents may arise by this across the protective-cable connection “PE”, unwanted triggering by mistake may
occur in systems with FI protection circuits.

If the neutral conductor “N“ is not connected and the “PE“ connection is interrupted, touching can
result in dangerously high leakage currents. In this case, EN 50178 Section 5.3.2.1 for devices with

(Employment in the IT network ) 4.8)

The supply voltage has to correspond to DIN EN 50160!

5.2 Adjustment to specific mains conditions

♦ Fixed 60 Hz assignment

♦ Deactivating phase monitoring

leakage current above 3.5 mA must be observed.

Upon connection, the mains frequency (50 or 60 Hz) is automatically detected and used to trigger ignition of the
thyristors. If, in exceptional cases, a 60 Hz mains frequency can not be clearly identified, fixed assignment can be
necessary (mains failure, as device operates at 50 Hz if 60 Hz is not detected).

By dipswitch S1 No. 6
ON (up) = 60 Hz fix
OFF (down) = automatic detection

The device has built in phase monitoring () Faults and troubleshooting: Mains failure). For special applications (e.g.
unstable mains supply, phase position other than 120° on a soft generator or for transformer operation) this can be
disconnected after consultation with Ziehl-Abegg. The motor is thus no longer protected by TWO PHASE
OPERATION (observe Motor protection

chapter).

By dipswitch S1 No. 8
ON (up) = phase monitoring activ
OFF (down) = phase monitoring deactivated

5.3 Motor connection

The motor leads are connected to the terminals: PE, U, V, W. Several fans can be connected to the controller-the
maximum total current of all motors (maximum rated current for electronic control of the voltage) must not exceed the
current rating for the controller.

If the maximum control current for the electronic voltage control is not known, then allowance for an increase in the
motor nominal current must be made. Typical is this for 2- and 4-pole motors at approx. 25 %, for 6-pole motors at
approx. 20 %, for 8- and 10-pole motors at approx. 15 % and higher pole motors at approx. 5 %.

For the control of motors made by other manufacturers (not Ziehl-Abegg), the control characteristics and the
maximum current for electronic regulation of the voltage should be enquired from the manufacturer.

It is recommended that a separate motor protection unit be foreseen for each fan.
For motors with thermistors “TP”: e.g. type U-EK230E

For motors with thermostats “TB”: e.g. type STDT 16 (E) or AWE-SK

() Enclosure: Circuit suggestion for several motors with motor protection unit
type STDT)

5.3.1 Motor feeder cable

The applicable standard for radiating interference is EN 61000-6-3.
A unshielded motor feeder cable is required for compliance with the standard.

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Operating instructions Dcontrol Date 0730

5.4 Motor noise

Motor noise can occur when fans are controlled using electronic voltage controllers (Phase cutting = series “P...”). Such
noise can be system-dependently perceived as a disturbance. This noise is relatively low for fast-running fans where the
noise from the air is high. The noise from motors in slower-running fans where the noise from the air is less, can be
dominated by resonance in the lower speed ranges.

For systems where noise is critical, we recommend using our Fcontrol series frequency converters with integrated
sinusoidal filter

5.5 Motor protection

♦ PKDT

5

The motor can be protected by connecting the thermostats “TB” (PKDT: T

{ It shall be observed for motors with built-in thermistors “TP” that these cannot be

= motor protection using TB connection).

connected to the “TK” terminals (type PKDT). A separate triggering unit (e.g. type
U-EK230E) is required in this case for the PTC thermistor.

{ When several motors are connected ensure that the thermostats “TB” are always

connected in series.

♦ PKDM5..80

The motor can be protected by connecting the thermostats “TB” or thermistors “TP” (PKDM

: M = motor protection

using “TB” or “TP” connection).

{ When several motors are connected ensure that the thermostats “TB” or thermistor

“TP” are always connected in series. A maximum of six individual thermistors (DIN
44081 or DIN 44082) may be connected in series to a single device. Depending on
the motor type, at least two or three individual sensors are built in.

{ Monitoring of motors in “Ex“ zones is not permissible. For systems of this type, an

additional motor protection unit is required, with disconnection via a separate
motor protection circuit.

The unit switches off when a connected thermostat or thermistor has tripped the circuit (interruption between both TK
terminals). The unit then remains switched off. The fault-indicating relay opens (terminals 11-12 bridged) the red LED for
motor fault illuminates, the green LED for operating goes off. The unit starts up again once the drive has cooled down by
switching the mains voltage OFF and then ON again or by enable ON/OFF (terminal “D1”).

{ An outside voltage may never be connected to the terminals “TK”!
{ The internal motor protection does not function if a bypass circuit has been realised.

In this case and as well as other precautions, an additional motor protective device
is necessary.

5.6 Special function only for PKDM

..: Motorstart with maximum output voltage „Hard start function “

For types PKDM “Hard start function” can be activated for the connected fans.”Hard start” function means to force the
controller to generate for approx. 10 seconds max. voltage (100%) ignoring any control signal.
Afterwards the output voltage adjusts itself to the given or over the control amplifier calculated value.
For operation as P-controller the „Hard start function“ works also by switching over the control function (“Heating” /
“Cooling”).

By dipswitch S1 No. 5

ON (up) = with “hard start function”
OFF (down) = no „Hardstart function“ (factory setting)

After switching on of the mains voltage on the output voltage rises during the firmly programmed
run-up time to the given value

5.7 Signal cable (sensor cable)

Pay attention to sufficient distance from powerlines and motor wires to prevent interferences.
The control cables may not be longer than 30 m. Screened control cables must be used when the cable length is longer
than 20 m. When using a screened cable, the screen must be connected to the protective conductor at one end

, i.e. only

at the control unit (as short and of as low an inductance as possible!).

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Operating instructions Dcontrol Date 0730

5.8 Enable ON / OFF

Enable ON / OFF (electronic disconnection) and reset after motor fault via potential free contact, terminals
„D1“-„D1“.

♦ Device ON with contact closed
♦ Device OFF with contact open (“Fault“ relay K1 not released, terminals 11-14 bridged)

Display for disconnection: Green LED flashes

No disconnection (isolation) when turned off, in accordance with VBG4 §6.

5.9 Signal connection or sensor connection (Analog IN1, Analog IN2)

PKDT5
PKDM.. controllers have 2-analog inputs (Analog IN1 & Analog IN 2)

has one anlalog input (Analog IN 1).

Input 1 (Analog IN1) terminals “E” or “E1“ and “GND“
Input 2 (Analog IN2) terminals ”E2“ and “GND“

Ensure correct polarity when connecting; a 24 V DC power supply is integrated for sensors. For sensors in two-wire­technology (4-20 mA signal), the connection is made on the +24 V and ”E1“ or ”E2“ terminals (the GND terminal is
omitted). The connection is independent of the programmed operating mode and from the sensor signal employed.
Place the internal plug (jumper) or sliding switches for the external default signal in the correct position, factory setting

4..20 mA.

() Pos 6.1 Programming the operating mode).

5.10 External speed setting (operation as a speed controller)

The signal for selecting the speed is connected to the terminals “E” (E1)and “GND”; be sure to observe correct polarity.
The maximum length of the connecting cable shall be 30 m (screened).

♦ Setting signal 4-20 mA: switch “E1” down position or jumper “E1.1” and “E1.2” down inserted

♦ Setting signal 0-20 mA: switch “E1” middle position or jumper “E1.1” and “E1.2” not inserted

0-20 mA signal is possible by connecting in an external resistor (499 Ω / 0.25 W) in parallel between the
terminals “E” and “GND”.

♦ Setting signal 0-10 V or external potentiometer: switch “E1” middle position or jumper “E1.1” and “E1.2” not

inserted

An external speed setting is possible by using a 10 kΩ potentiometer connected to the terminals “A“
(+10 V) and GND with pick-off at terminal “E” or “E1”).

5.10.1 Inverting setting signal

With switch 1 to Dipswitch S1 (not inverted by the factory)
Switch 1 OFF = setting signal not inverted (0-10 V, 0-20 mA, 4-20 mA)
Switch 1 ON = setting signal inverted (10-0 V, 20-0 mA, 20-4 mA)

5.10.2 Operation with second setting signal at input „E2“ (special function only for PKDM

An input for a second default signal is activated over the switch 7 on Dipswitch “S1”.
Place the internal sliding switch “E2” or jumper “E2.1” and “E2.2” depending on signal in correct position (see input
“E1”).

- Setting signal not inverted
By operation with a second signal the controller works automatically at the higher level of the two analog
inputs (E1 or E2).

- Setting signal inverted
By operation with a second signal the controller works automatically at the lower level of the two analog
inputs (E1 or E2).

TBL02_54-GB 0730 Part-No. 00153238-GB

Page 11 / 28

..)

Operating instructions Dcontrol Date 0730

5.11 Sensor Connection (operation as a P-controller)

The signal from the sensor for detection of the actual value is connected to the terminals “E” or “E1”and “GND”, for
sensor in two-wire-technology (output 4-20 mA) to terminals "E" (E1) and "24 V". Be sure to observe correct polarity. The
maximum length of the connecting cable shall be 30 m (screened).

There is an integrated power supply (+24 V, I

Sensors with the following standard signals may be connected depending on the programming of the controller:
0-10 V, 4-20 mA, KTY10-6 (PTC temperature sensor).

120 mA) for e.g., a pressure sensor of the type DSF2-25 or MBG-30I.

max

5.11.1 Operation with a second sensor signal at input “E2” for dual circuit condensers (only for PKDM

..)

The entrance for a second sensor signal is activated over the switch 7 on Dipswitch “S1”.
Place the internal sliding switch “E1” or jumper “E2.1” and “E2.2” depending on signal in correct position (see description
for input “E1”).
By operation with a second sensor signal automatic regulation at the higher level

of the two analog inputs (selection

amplifier integrated e.g. for dual circuit condensers).

5.12 Switch over control function at Digital IN 2 (only for operation as P-controller)

For operation as P-controller an external switch over of control function is possible. When terminals “D2”-“D2” are
bridged, the device works with the opposite function than the set with Dipswitch 1 () 7.2.7).

5.13 Fault indications

An external fault indicator is available over the potential-free contacts of the built-in relay (contact load-carrying capacity
5 A, 250 V AC). The relay is energized if the controller is on mains supply, i.e. terminals “11” and “14” are bridged. If
there is a fault the relay is de-energized, i.e. terminals “11” and “12” are bridged.

- By switching off via enable ON/OFF (terminal “D1”) the relay is not

- By sensor failure (only in P-control operation) message only via the LEDs (yellow + green), the relay is not

de-energized.

de-energized.

A fault is indicated by:
A phase failure*, blown semiconductor fuse*, excessively high temperature at the unit, a defective controller-internal
voltage supply, overheating by the motor (thermostats or thermistors connected).

(* for “mobile application“ version, there is no error message for phase failure or blown semiconductor fuse!)

5.14 Voltage supply for external equipment

There is an integrated power supply e.g. for pressure sensors of the type DSF2-25 / MBG-30I.

Terminals + 24 V Output voltage tolerance ±20 %.
Max. on-load current 120 mA

In the event of overload or short circuit (24 V ↔ GND), the control voltage cuts out and hence switches off the control
unit.

Reconnection after solving failure cause:

♦ PKDT5: switch off line voltage and on again after cooling down the transformers.

♦ PKDM... incl. multifuse: automatic switch on.

5.15 Output voltage (0-) 10 V (needed only as required)

For operation as a P-controller () basic settings):
Output voltage 0-10 V, I

10 mA (terminals „A“/“GND“) is approximately proportional to the regulated output voltage.

max

This can be used for example, for a “slave controller” or for a valve-positioning motor.

For operation as a speed controller () basic settings):
Fixed 10 V, I

10 mA voltage for maintaining the speed from an external potentiometer.

max

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Operating instructions Dcontrol Date 0730

6. General settings and operating elements

6.1 Programming the operating mode (speed controller / P- controller)

It is possible to use the device as a speed controller or as a P-controller.
Selection of the function must first be made by setting the internal dipswitch and jumper or sliding switches
(depending on version).

Caution: not under voltage! Observe the safety notices!

Changed functions become active partly only after renewed switching on the mains voltage !

Factory setting: Operation as P-controller for sensor with 4-20 mA signal at “E1”!

Dipswitch S1

General setting for:

ON

OFF

1 2 3 4

5 6 7 8

jumper E2.1 / E2.2 or switch E2 for input E2

input for additional functions (only PKDM)

jumper E1.1 / E1.2 or switch E2 for input E1

Standard input

Speed controller P-Controller

Dipswitch

Input 0-10 V (0-20 mA / 4-20 mA and

Inverting ) Electrical connections:
External speed setting“)

Function: Setting: Function: Setting:

Temperature
sensor

TF..(KTY10-6)

S1

1

2

3

Signal
function

No function

Type of
control

ON = 10-0 V

OFF = 0-10 V

-

=

ON
Internal pot

OFF = external pot or

Control function

Min. air shut
down

Type of signal
(for PKDT5 no
function)

ON = Increasing output voltage for
decreasing actual value
OFF = Increasing output voltage for
increasing actual value
ON = not activ
OFF = activ

OFF

0-10 V

For speed

4

5

6

7

8

controller

Additional functions

Hardstart
Function

(for PKDT5
no Funktion)

60 Hz
assignment

Input E2

(for PKDT5
no Function)

Phase
monitoring

ON = with
Hardstart function

OFF = no
Hardstart function

ON = 60 Hz fix

OFF =
Automatic detection

OFF = input not aktiv

ON = input activ

ON =
phase monitoring activ

OFF =
phase monitoring
deactivated

E1 + E2

E2.1+E2.2

+

E1.1+E1.2

Type of signal

0-10 V
switch middle or both
jumper not inserted

ON

For P-controller OFF

Hardstart Function

(for PKDT5 no
Funktion)

60 Hz
assignment

Input E2

(for PKDT5 no
Function)

Phase monitoring

ON = with Hardstart function

OFF = no Hardstart function

ON = 60 Hz fix

OFF = Automatic detection

OFF = input not activ

ON = input activ

ON =
phase monitoring activ

OFF =
phase monitoring deactivated

Depending on
type of sensor

Switch up or
both jumper up
inserted

XXXXXXX = Connector position set at the factory

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Page 13 / 28

E2.1 E2.2

E1.1 E1.2

Pressure
sensor
4-20mA

DSF../MBG

ON=
4-20mA

OFF=
0-20mA

Switch
down or
both jumper
down
inserted

E2

E1

Pressure
sensor
0-10 V

ON =
2-10V

OFF
= 0-10V

Switch
middle or
both jumper
not inserted

°C

V

mA

°C

V

mA

Operating instructions Dcontrol Date 0730

6.2 Controls

Operation as a speed rcontroller

For operation as a speed controller, the output voltage is set manually by adjusting the built-in potentiometer, by an
external potentiometer or external signal (0-10 V).

Setting Potentiometer

Output voltage 0-100 % (switch S1-3 ON position)

“SET“

(Control by internal potentiometer)

No function “Pband“

Minimum output voltage 0-100 % (basic speed) “n-min“

Maximum output voltage 0-100 % (speed limiter) “n-max“

Operation as a P-controller (standard factory setting)

Operation as a P-controller or temperature or pressure (factory setting for the sensor with a 4-20 mA signal).

For operation as a P-controller, the actual value measured by the sensor is compared with the nominal value that has
been set. The output voltage and hence the rotational speed of the connected motor automatically change as a function
of the parameter settings.

Setting Potentiometer

Set value 0-100%

“SET“
For temperature control for PKDT5: 0° C to +60° C
for PKDM: -25° C to +75° C
For pressure control 0-100 % ^

Control range 5-30 % (P-component)

measuring range of pressure sensor

“Pband“
For temperature control for PKDT5: 4-24 K
for PKDM: 5-30 K
For pressure control 5-30 % ^

measuring range of pressure sensor

Minimum output voltage 0-100 % (basic speed) “n-min“

Maximum output voltage 0-100 % (speed limiter) “n-max“

LEDs

green yellow red

Pband set n-min n-max

0 100 % 5 30 % 0 100 % 0 100

%

LED indications

Meaning LED

Normal operation without any faults Green

Motor fault (interruption at TK terminals) Red

Line fault (failure by a line phase) Yellow + red

Interruption / short circuit in sensor line, or sensor actual values

Yellow + green
outside the measuring range (only for operation as controller)

Device overheating (measured at internal heat sink) Red blinking

Line interruption to heat-sink sensor green + red on and yellow blinking

“D1”-“D1” terminals are not brigded (no enable) green blinking

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Operating instructions Dcontrol Date 0730

g

7. Settings for operation

7.1 Settings for operation as a speed controller

U Motor

100 %

n-max

50 %

n-min

0 1 2 3 4 5 6 7 8 9 10

10 9 8 7 6 5 4 3 2 1 0

0 2 4 6 8 10 12 14 16 18 20

20 18 16 14 12 10 8 6 4 2 0

4 5,6 7,2 8,8 10,4 12 13,6 15,216,8 18,4 20

20 18,416,8 15,2 13,6 12 10,4 8,8 7,2 5,6 4

Idealised schematic diagram

n-min = 0 % n-max = 100

n-min = 35 % n-max = 85 %

The output voltage is switched off to “0” for
a controller signal less than 15 % of
approximately 15 % of the mains voltage
that is applied. For a controller signal
greater than 20 %, the output voltage is
switched on to approx. 20 % of the mains
volta

e applied.

Potentiometer set / setting signal

0 - 10 V
10 - 0 V
0 - 20
20 - 0
4 - 20
20 - 4

0 100

Signal →

0 100

0 100

set

%

GND

n-min

%

n-max

%

7.1.1 Setting of output voltage via potentiometer „SET“

1. Dipswitch S1-3 ON position (control by internal potentiometer)

2. Setting the output voltage by the potentiometer “SET“ from approx. 0, 20-100 % of the applied
mains voltage, or in the range of the settings “n-min” to “n-max”.

7.1.2 Setting of output voltage via external signal or external potentiometer

E

1. Dipswitch S1-3 OFF position (control by an external potentiometer).

2. Setting the output voltage by the external signal or by an external potentiometer from approx.
0, 20-100 % of the applied mains voltage, or in the range of the settings “n-min” to “n-max.

7.1.3 Min. speed „n-min“ (minimum output voltage or basic speed)

If required setting of a minimum output voltage, e. g. basic speed (minimum airflow rate) of connected
fans.
Setting range:
From the counter-clockwise limit = “0“ (no “n-min“) to 15-100 % (^

approximately the mains voltage

applied).

7.1.4 Max. speed „n-max“ (derating) and Cos φ-adjustment

If required setting of a maximum output voltage, e. g. speed limiter.
Setting range:
From the clockwise limit (100 %) to 20 % (^

approx. 100 % - 20 % of the applied mains voltage).
For a given minimum output voltage to the setting “n-min“. For cos ϕ adjustment, turn “n-max“ counter­clockwise such that the maximum output voltage will just be measured (with TRUE-RMS multimeter). This
adjustment must be made for maximum output from the fans. All flaps must be opened when using
centrifugal fans.

Cos ϕ adjustment
The output voltage from the unit depends on the inductance of the motor (cos ϕ). By this, the maximum
output voltage can already be reached below the maximum input signal
(<10 V / 20 mA). A correction is possible by setting “n-max" (cos ϕ adjustment).

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Operating instructions Dcontrol Date 0730

7.1.5 Operation with two variable output voltages (2 steps)

Switchover between two variable output voltages for the operational mode
of external control (Dipswitch S1-3 OFF position) is possible by means of
external potential-free contact-making.

Step 1 (low speed)
When there is no input signal connected to the input terminal “E“ or “E1”,
then the unit supplies the output voltage set by “n-min”.

Step 2 (high speed)
When the terminal “A“ (+10V) is connected with the input terminal “E“ or
“E1”, then the units supplies the output voltage set by “n-max.”

U

Motor

100 %

n-max

"E"

"A" (+10 V)

2

UMotor = "n-max"

1

U

Motor = "n-min"

n-min

1

12

t

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Operating instructions Dcontrol Date 0730

7.2 Settings for operation as a controller

U Motor

100 %

n-max

50 %

n-min

Pband

set value

Idealised schematic diagram

7.2.1 Adjusting the nominal value via potentiometer “Set”

n-min = 0 % n-max = 100 %

n-min = 35 % n-max = 85 %

The output voltage is switched off to “0” for
a controller signal less than 15 % of
approximately 15 % of the mains voltage
that is applied. For a controller signal
greater than 20 %, the output voltage is
switched on to approx. 20 % of the mains
voltage applied.

actual value

set

0 100

%

Set the desired nominal value at the setpoint potentiometer in the range from 0-100 %.

♦ At active sensors with 0-10 V or 4-20 mA (factory setting)

0-100 %^

measuring range of the sensor.

E.g., pressure control with PKDM: Pressure sensor, type MBG-30I (0-30 bar, measuring range 30
bar)
Setting 50 % ^

15 bar nominal value

For condensation pressure control at refrigeration technology
) Settings for operation: setting with pressure / temperature refrigerant medium table

♦ At passive temperature sensor TF.. (KTY10-6)

- PKDT5 0-100 % ^

Set Position

[%]

Set temp.

[°C]

510

0

369121518

0

0° C ... +60° C (measuring range, i. e. possible operation range 0-80° C)

15 20 25 30

50

30

75 80 85 9055 60 65 7035 40 45

45 48 51 5433 36 39 4221 24 27

95

57

- PKDM 0-100 % ^

Set Position

[%]

Set temp.

[°C]

-25

0

5

-20 -15

-25° C ... +75° C (measuring range, i. e. possible operation range -25° C ... +75° C)

25 30 35 4010 15 20

-5-10 0 5 10 15 20

45

55 60 65 70 75 80

50

30 35 40

25

45 50 55 60

85 90 95

65 70

100

60

100

75

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Operating instructions Dcontrol Date 0730

7.2.2 Adjusting the control range via potentiometer “Pband”

The control response can be adjusted to the system conditions with this setting

- small control range = greater amplification and shorter control times

Pband

5 30

%

- big control range = longer control times and higher controller stability

♦ At active sensors with 0-10 V or 4-20 mA (factory setting)

5-30 % ^

5-30 % of measuring range of the sensor
Setting range:
E.g., pressure control with PKDM:
Pressure sensor, type MBG-30I (0-30 bar, measuring range 30 bar)
Setting 10 % ^

3 bar

♦ At passive temperature sensor TF.. (KTY10-6)

- PKDT5 5-30 % ^

Pband

[%]

Temperature

[K]

10 15 20 25 30

5

812

4

4 ... 24 K (5-30 % of device´s measuring range 0-80° C)

16 20 24

- PKDM 5-30 % ^

Pband

[%]

Temperature

[K]

10

5

10 15 20 25

5

5 ... 30 K (5-30 % of device´s measuring range -25 ... +75° C)

15 20 25

30

30

n-min

0 100

%

n-max

0 100

%

7.2.3 Min. speed „n-min“ (minimum output voltage or basic speed)

If required setting of a minimum output voltage, e. g. basic speed (minimum airflow rate) of connected fans.
Setting range:
From the counter-clockwise limit = “0“ (no “n-min“) to 15-100 % (^

approximately the mains voltage applied).

7.2.4 Max. speed „n-max“ (derating) and Cos φ-adjustment

If required setting of a maximum output voltage, e. g. speed limiter.
Setting range:
From the clockwise limit (100 %) to 20 % (^

approx. 100 % -20 % of the applied mains voltage).
For a given minimum output voltage to the setting “n-min“. For cos ϕ adjustment, turn “n-max“ counter­clockwise such that the maximum output voltage will just be measured (with TRUE-RMS multimeter). This
adjustment must be made for maximum output from the fans. All flaps must be opened when using
centrifugal fans.

Cos ϕ adjustment
The output voltage from the unit depends on the inductance of the motor (cos ϕ). By this, the
maximum output voltage can already be reached below the maximum input signal
(<10 V / 20 mA). A correction is possible by setting “n-max" (cos ϕ adjustment).

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Operating instructions Dcontrol Date 0712

7.2.5 Setting with pressure / temperature refrigerant medium table for Type PKDT5 with MBG-30I

Calculation for relative pressure (differential measurement of pressure relative to ambient pressure)

MBG-30I

Set R12

0% 0,00 4,0 -30,09 -81,99 -58,14 -41,11 -82,44 -52,53 3,45 -26,43 -10,07 -17,58 -27,05 -29,21 -28,97 -47,59 -47, 59 -45,46 -46, 36 -39,47 -43,49 -37,31 -33,80 -45,54 -88,64 -46,51 -33,59

5% 1,13 4,6 -10,88 -66,52 -40,93 -23,68 -68,20 -36,11 24,89 -8,54 10,56 1,29 -8,95 -11,22 -11, 01 -30,41 -30,41 -28,16 -29, 03 -22,62 -26,71 -20,36 -15, 20 -27,85 -74,02 -29,62 -17,46
10% 2,25 5,2 1,55 -56, 57 -29,80 -12,47 -59,11 -25,72 38,73 2,92 23,68 13,55 2,63 0,33 0,48 -19,45 -19,45 -17,12 -17,97 -11,92 -16,03 -9,58 -3,26 -16,49 -64,68 -18,75 -7,23
15% 3,38 5,8 11,06 -48,98 -21,28 -3,93 -52,23 -17,89 49,32 11,62 33, 60 22,97 11,42 9,12 9, 21 -11,15 -11,15 -8,75 -9,60 -3,82 -7,95 -1,44 5, 83 -7,86 -57,58 -10,46 0,50
20% 4,50 6,4 18,90 -42,75 -14,26 3, 09 -46, 61 -11,51 58,04 18, 75 41,71 30, 76 18,63 16,33 16, 37 -4,36 -4,36 -1,89 -2,74 2,78 -1,34 5, 22 13,28 -0,77 -51,77 -3,64 6,80
25% 5,63 7, 0 25,64 -37,40 -8, 22 9, 11 -41, 80 -6,09 65,53 24,86 48,62 37, 47 24,80 22, 51 22, 48 1,44 1,44 3, 96 3,11 8,42 4,29 10, 89 19,67 5,30 -46,81 2,20 12,17
30% 6,75 7, 6 31,59 -32,69 -2, 89 14,42 -37,58 -1,33 72,14 30,23 54,69 43,41 30,23 27,95 27, 87 6,54 6,54 9, 11 8,25 13, 36 9,24 15,87 25, 30 10, 64 -42,44 7, 35 16,88
35% 7,88 8, 2 36,95 -28,46 1,91 19,18 -33,80 2,91 78,09 35,05 60, 12 48,76 35,09 32, 83 32, 69 11,11 11,11 13,72 12,86 17,78 13,66 20,33 30,35 15, 44 -38,52 11,98 21,09
40% 9,00 8, 8 41,84 -24,60 6,29 23,53 -30,36 6,76 83,53 39,43 65, 05 53,66 39,52 37, 28 37, 08 15,26 15,26 17,92 17,04 21,80 17,69 24,37 34,96 19, 81 -34,96 16,20 24,91
45% 10,13 9,4 46,36 -21, 04 10,34 27,53 -27,20 10,29 88,54 43,47 69,58 58, 19 43,60 41,38 41, 13 19,08 19,08 21,77 20,89 25,49 21,38 28,09 39,20 23, 83 -31,68 20,09 28,41
50% 11,25 10,0 50,57 -17,73 14,11 31,25 -24,27 13,56 93,21 47,22 73,78 62,42 47,38 45,19 44,88 22,62 22,62 25, 35 24, 47 28,91 24,81 31,53 43, 14 27,57 -28,64 23,71 31,66
55% 12,38 10,6 54,51 -14,63 17,64 34,74 -21,54 16,61 97,58 50,72 77,70 66,39 50,92 48,75 48,39 25,93 25,93 28, 70 27, 80 32,10 28,01 34,75 46, 82 31,06 -25,80 27,09 34,69
60% 13,50 11,2 58,23 -11,72 20,97 38,02 -18,96 19,47 101,70 54,02 81, 38 70,13 54,25 52, 10 51,69 29,04 29,04 31,84 30,94 35,10 31,02 37,77 50,29 34,35 -23,12 30,28 37, 54
65% 14,63 11,8 61,76 -8, 96 24,13 41,13 -16,53 22,17 105,61 57,14 84,86 73, 68 57,40 55, 27 54, 81 31,98 31,98 34,81 33,90 37,93 33,86 40,62 53,57 37, 47 -20,60 33,30 40,23
70% 15,75 12,4 65,12 -6, 33 27,14 44,08 -14,23 24,72 109,32 60,10 88,16 77, 07 60,39 58, 29 57, 77 34,76 34,76 37,63 36,72 40,61 36,55 43,33 56,69 40, 42 -18,20 36,17 42,77
75% 16,88 13,0 68,32 -3, 83 30,01 46,90 -12,03 27,15 112,87 62,92 91,30 80, 31 63,23 61, 16 60, 59 37,42 37,42 40,32 39,39 43,16 39,11 45,90 59,67 43, 24 -15,91 38,91 45,19
80% 18,00 13,6 71,39 -1, 43 32,75 49,59 -9,94 29,47 116,27 65,62 94,29 83,41 65,96 63,91 63,29 39,95 39, 95 42, 89 41, 95 45,60 41,56 48, 36 62,51 45,94 -13, 72 41, 53 47,50
85% 19,13 14,2 74,34 0,87 35,39 52,18 -7,93 31,68 119,53 68,20 97,16 86, 40 68,57 66, 55 65, 88 42,38 42,38 45,34 44,40 47,93 43,90 50,71 65,24 48,53 -11,63 44, 05 49,71
90% 20,25 14,8 77,18 3,08 37,94 54,66 -6,00 33,81 122,67 70,69 99,92 89, 27 71,07 69, 08 68, 36 44,72 44,72 47,71 46,76 50,17 46,15 52,97 67,86 51,01 -9,62 46, 47 51,84
95% 21,38 15,4 79,92 5,21 40,39 57,06 -4,14 35,86 125,70 73,08 102,57 92,05 73,49 71,52 70, 76 46,96 46,96 49,98 49,02 52,33 48,32 55,14 70,39 53, 41 -7,68 48, 80 53,88

100% 22, 50 16, 0 82,57 7,27 42,76 59,38 -2,35 37,83 128,63 75,40 105,13 94,74 75,82 73,88 73, 07 49,13 49,13 52,18 51,21 54,41 50,41 57,24 72,83 55, 72 -5,81 51,05 55,84

[bar]

Signal

[mA]

[°C]

R13

[°C]

R13b1

[°C]

R22

[°C]

R23
[°C]

R32
[°C]

R114

[°C]

R134a

[°C]

R142B

[°C]

R227

[°C]

R401

[°C]

R401A

[°C]

R401B

[°C]

R402

[°C]

R402A

[°C]

R402B

[°C]

R404A

[°C]

R407A

[°C]

R407B

[°C]

R407C

[°C]

R500

[°C]

R502

[°C]

R503

[°C]

R507

[°C]

R717

[°C]

U Motor

Idealised schematic diagram

-

=

-

=

Example with refrigerant medium R507

Settings:

Set value = 60 % ^

13.5 bar

50 %

Pband = 10 %
n-min = 0 %
n-max = 100 %

set value 60 %

13.5 bar ^ 30.28° C

Pband 10 %

TBL02_54-GB 0730 Part-No. 00153238-GB

Page 19 / 28

actual value

15.75 bar ^ 36.17° C

Operating Instructions Dcontrol Date 0730

7.2.6 Setting with pressure / temperature refrigerant medium table for type PKDM5..80 with MBG-30I.

Set

Positi

0% 0,00 4,0 -30,09 -81,99 -58,14 -41,11 -82,44 -52,53 3,45 -26,43 -10,07 -17,58 -27,05 -29,21 -28,97 -47,59 -47,59 -45,46 -46,36 -39,47 -43,49 -37,31 -33,80 -45,54 -88,64 -46,51 -33,59

5% 1,50 4,8 -6,28 -62, 83 -36,81 -19,52 -64,82 -32,24 30, 02 -4, 29 15, 44 5,82 -4, 65 -6,93 -6, 74 -26,34 -26,34 -24,06 -24,92 -18,64 -22,74 -16,35 -10,77 -23,63 -70,55 -25,59 -13,65
10% 3,00 5, 6 8, 11 -51,33 -23,92 -6, 57 -54,36 -20,30 46,05 8,93 30,54 20,05 8,71 6,40 6,52 -13,71 -13,71 -11,33 -12,18 -6, 32 -10,44 -3,95 3, 02 -10, 53 -59, 77 -13, 02 -1, 88
15% 4,50 6,4 18,90 -42,75 -14,26 3,09 -46,61 -11,51 58,04 18,75 41,71 30,76 18,63 16,33 16,37 -4, 36 -4,36 -1,89 -2, 74 2,78 -1, 34 5, 22 13,28 -0, 77 -51,77 -3, 64 6, 80
20% 6,00 7,2 27,70 -35,77 -6,38 10, 95 -40,34 -4, 44 67, 82 26, 72 50,72 39,52 26,68 24,39 24,35 3,21 3,21 5, 75 4, 89 10,13 6,01 12,62 21,62 7, 15 -45, 29 3,98 13,80
25% 7,50 8, 0 35,22 -29,82 0,36 17,65 -35,02 1, 54 76,17 33,49 58,37 47,03 33,52 31,26 31, 14 9, 64 9, 64 12,23 11,37 16,36 12,24 18,89 28,72 13, 89 -39, 79 10,49 19,73
30% 9,00 8, 8 41,84 -24,60 6,29 23,53 -30,36 6, 76 83,53 39,43 65,05 53,66 39,52 37,28 37, 08 15,26 15,26 17,92 17, 04 21,80 17,69 24,37 34,96 19,81 -34,96 16,20 24, 91
35% 10,50 9,6 47, 80 -19, 91 11,63 28,80 -26,20 11,41 90,13 44,75 71, 01 59,63 44,89 42,68 42,41 20,29 20,29 22,99 22,11 26,66 22,55 29,27 40,54 25,10 -30,65 21,32 29,52
40% 12,00 10,4 53,23 -15, 65 16,49 33,60 -22,43 15,62 96,15 49,58 76,42 65,09 49,77 47,59 47,24 24,85 24,85 27, 61 26,72 31,06 26,97 33,70 45,62 29,92 -26,73 25, 99 33,71
45% 13,50 11,2 58,23 -11, 72 20,97 38,02 -18,96 19,47 101,70 54, 02 81,38 70,13 54,25 52,10 51,69 29,04 29,04 31,84 30,94 35,10 31, 02 37,77 50,29 34,35 -23,12 30,28 37,54
50% 15,00 12,0 62,90 -8,07 25,15 42, 13 -15,75 23,03 106,87 58,14 85,98 74,83 58,41 56,29 55,81 32,92 32,92 35,77 34, 86 38,84 34,77 41,54 54,63 38,47 -19,78 34,28 41, 09
55% 16,50 12,8 67,27 -4,65 29,06 45, 97 -12,75 26,35 111,71 61,99 90,27 79,24 62,30 60,22 59,67 36,55 36,55 39,44 38, 52 42,33 38,27 45,06 58,69 42,32 -16,66 38,01 44, 40
60% 18,00 13,6 71,39 -1,43 32,75 49, 59 -9,94 29, 47 116,27 65,62 94, 29 83,41 65,96 63,91 63,29 39,95 39,95 42,89 41,95 45,60 41,56 48,36 62,51 45,94 -13, 72 41,53 47,50
65% 19,50 14,4 75,30 1, 61 36,25 53,02 -7, 27 32,40 120,59 69,04 98,09 87,37 69,41 67,40 66,72 43, 17 43,17 46,14 45,20 48, 69 44,66 51,47 66,13 49,37 -10,95 44,86 50,43
70% 21,00 15,2 79,01 4, 51 39,58 56,27 -4, 75 35,18 124,71 72,30 101,70 91,13 72,70 70,72 69,97 46,23 46,23 49,23 48,28 51,62 47, 61 54,43 69,56 52,62 -8,32 48,03 53,21
75% 22,50 16,0 82,57 7, 27 42,76 59,38 -2, 35 37,83 128,63 75,40 105,13 94,74 75,82 73,88 73,07 49,13 49,13 52,18 51,21 54,41 50, 41 57,24 72,83 55,72 -5,81 51,05 55,84
80% 24,00 16,8 85,97 9, 91 45,81 62,35 -0, 05 40,35 132,40 78,36 108,40 98,20 78,81 76,91 76,03 51,91 51,91 54,99 54,01 57,07 53, 09 59,92 75,97 58,69 -3,41 53,94 58,36
85% 25,50 17,6 89,24 12, 45 48,74 65,20 2,15 42,76 136,01 81,20 111,54 101, 52 81,68 79,81 78,87 54,57 54,57 57,69 56,70 59,62 55,65 62,49 78,97 61,54 -1, 11 56,72 60,78
90% 27,00 18,4 92,39 14, 89 51,56 67,95 4,26 45,07 139,49 83,93 114,55 104, 73 84,44 82,60 81,60 57,13 57,13 60,28 59,28 62,06 58,11 64,96 81,86 64,28 1,10 59,39 63,09
95% 28,50 19,2 95,43 17, 25 54,28 70,59 6,30 47,30 142,85 86,57 117,44 107, 83 87,09 85,29 84,23 59,59 59,59 62,77 61,76 64,42 60,48 67,34 84,65 66,91 3,22 61,97 65,32

100% 30,00 20,0 98,37 19,52 56,92 73,15 8,26 49,44 146,10 89,11 120,24 110, 83 89,66 87,89 86,77 61,97 61,97 65,18 64, 16 66,69 62,76 69,63 87,34 69,46 5,28 64,46 67,46

Calculation for relative pressure (differential measurement of pressure relative to ambient pressure)

MBG-30I

[bar]

Signal

[mA]

R12

[°C]

R13
[°C]

R13b1

[°C]

R22

[°C]

R23
[°C]

R32
[°C]

R114

[°C]

R134a

[°C]

R142B

[°C]

R227

R401

R401A

R401B

[°C]

[°C]

[°C]

R402

[°C]

[°C]

R402A

[°C]

R402B

[°C]

R404A

[°C]

R407A

[°C]

R407B

[°C]

R407C

[°C]

R500

[°C]

R502

[°C]

R503

[°C]

R507

[°C]

U Motor

100 %

Idealised schematic diagram

-

=

-

=

Example with refrigerant medium R507

R717

[°C]

Settings:

Set value = 50 % ^

15.0 bar

50 %

Pband = 10 %
n-min = 0 %
n-max = 100 %

set value 60 %

15 bar ^ 34.28° C

Pband 10 %

TBL02_54-GB 0730 Part-No. 00153238-GB

Page 20 / 28

actual value

18 bar ^ 41.53° C

Operating instructions Dcontrol Date 0730

7.2.7 Minimum airflow rate (Minimum air shutdown active / not active)

The minimum airflow rate can be switched "ON" or "OFF" using dipswitch.
Dipswitch S1-2 OFF: Shutdown active = Without minimum airflow rate

Dipswitch S1-2 ON: Shutdown not active = With minimum airflow rate (factory setting)

When the setpoint is reached, the modulation is reduced to “0“ %, or to the set value if “Min. Speed“ is specified.

♦ If minimum air shutdown is active, when actual value = setpoint, “n-min“ is disconnected to “0“.

♦ When minimum air shutdown is inactive (factory setting) there is no disconnection, i.e. minimum ventilation is

always assured (fan does not go below “n-min“).

U Motor

100 %

min speed

Hysteresis (ON / OFF) approx.

2.5 % off 100 % set value

set value

Control range

n-min = 35 % n-max = 100 %

actual value

Idealised schematic diagram

7.2.8 Reversed control function (Act>Set = n+)

There are T W O functions for the control´s action, switchover to the heating function is possible by means of the
internal dipswitch, the controller setting made at the factory is for the cooling function.

1. S1-1 OFF ^ increasing output voltage for increasing actual value (cooling)

2. S1-1 ON ^ increasing output voltage for decreasing actual value (heating)

Only for PKDM
Alternatively the change-over of the control function can be made by a contact at digital input D2 "Digital IN 2"!
When terminals “D2”-“D2” are bridged, the device works with the opposite function than the set with dipswitch 1 () 6
general settings).

heating function e. g. for warm-air heaters cooling function e. g. for building ventilation

U Motor

Example for temperature control

Idealised schematic diagram

ON
Act<Set =n+

OFF
Act<Set =n+

actual value

°

Pband

set value

°

Pband

actual value

°

TBL02_54-GB 0730 Part-No. 00153238-GB

Page 21 / 28

Operating instructions Dcontrol Date 0730

8. Faults and rectification of these

8.1 Mains fault

Function only for a connected inductive load

The device is provided with a built-in phase-monitoring function for the mains supply.
In the event of a mains interruption (failure of a fuse or mains phase) the unit switches off after a delay. The unit then
switches on again automatically when the voltage has been restored.

Line fault (failure of a line phase) yellow + red

Remedy:
Check the mains supply and the internal semiconductor fuses.

For PKDT5 “mobile application“ version, phase failure is deactivated!
In special cases phase failure can be deactivated for other types
() Electrical connections: Adjustment to specific mains conditions

8.2 Temperature fault

The unit is fitted with a built-in temperature monitoring device coupled to the internal heat sink. The unit cuts out at a
temperature of approximately 90 °C and cuts in automatically again when the unit has cooled down again to about
65 °C. An excessively high unit temperature is signalled by the internal LED’s.

Excessively high unit temperature (measured at the internal heat
sink)

Interruption in the leads to the heat-sink sensor green + red on and yellow blinking

Remedy in the event of an excessively high unit temperature:

- Check whether the heat dissipation is adequate.

- Check for any overloading of the unit, i.e. whether the maximum control current occurring is above the
rated current for the unit.

red blinking

8.3 Motor fault

The unit cuts out and does not switch on again when the connected thermostat “TB” or thermistor “TP” for type PKDM
have tripped (interruption between both terminals “TK” () Electrical connection: Motor protection).

Motor fault (interruption TK terminals) red

TBL02_54-GB 0730 Part-No. 00153238-GB

Page 22 / 28

Operating instructions Dcontrol Date 0730

8.4 Sensor-signal faults

Function only for operation as a P-controller

The unit is fitted with a built-in monitoring device for the sensor signal. A fault is signalled over the internal LEDs in the
event of a interruption or a short circuit in the sensor conductors, or measured values that are outside of the measuring
range for the unit.
For controllers model range PKDM

Interruption / short circuit in the sensor leads or sensor values
measured that are outside of the measuring range

Cause for the signal “Sensor fault” and the response by the controller

1. For a temperature-dependent control (input for temperature sensor, type TF..):

• In the event of an interruption in the sensor leads.
The controller acts as in the case of an extremely high temperature, i.e. maximum output voltage.
(Control response for increasing speed for increasing actual value, see setting for operation reversed control
function (actual>set = n+)).

• In the event of a short circuit in the sensor leads.
The controller acts as in the case of a very low temperature, i.e. minimum output voltage.
(Control response for increasing speed for increasing actual value, see setting for operation reversed control
function (actual>set = n+)).

• In the case of temperatures at the sensor that are outside the measuring range of the controller,

- PKDT5: at approx. 0° C and as of approx. +80° C.

- PKDM5/10/12/15/25/35...: at approx. -25° C and as of approx. +75° C.

The controller functions automatically again with the value measured at the temperature sensor after the fault has
been rectified or when the actual temperature returns to within the measuring range of the controller.

2. For a pressure-dependent control (input 0-10 V / 4-20 mA):

• In the event of an interruption in the sensor leads or for a short circuit between the terminals “E“ and “GND“.
The controller acts as in the case of a very small measured value, i.e. minimum output voltage.
(Control response for increasing speed for increasing actual value, see setting for operation reversed control
function (actual>set = n+)).

• When the upper or lower limit of the measuring range for the sensor has been reached

-For a 4-20 mA input for a sensor signal of approx. 4 mA or approx. 20 mA

-For a 0-10 V input for a sensor signal of approx. 0 V or approx. 10 V

The controller functions automatically again with the value measured at the temperature sensor after the fault has
been rectified.

sensor monitoring is also for the second input “E2” (if activated by dipswitch).

yellow + green

8.5 If controller doesn´t work correctly

Setting of dipswitch not under voltage!
If the device is on mains supply modifications will not be identified and realized.

It is forbidden to carry out work on electrically live parts. The enclosure rating of the device
when open is IP00! It is possible to inadvertently touch components carrying hazardous
voltages.

TBL02_54-GB 0730 Part-No. 00153238-GB

Page 23 / 28

Operating instructions Dcontrol Date 0730

9. Enclosure

9.1 Connection diagram PKDT5

5
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TBL02_54-GB 0730 Part-No. 00153238-GB

Page 24 / 28

Operating instructions Dcontrol Date 0730

9.2 Connection diagram PKDM5..80

Dcontrol PKDM

Stecker / jumper

°C

Schalter / switches

°C

J2

+

A

V

E2.1 E2.2

Depending on version switches or jumers for input signal

Je nach Ausführung Stecker oder Schalter für Eingangssignal

V

mA

°C

E2

mA

+ / °C/bar < set U

01

01

A

°C/bar > set U

2

input

entrée

Eingang

+

sortie

output

Ausgang

+

off/on

Aus/Ein

arrêt/marche

ingång

utgång

av/på

0...10V

TF..

0...10V

L3NL2L1PE

4...20mA

(Imax=10mA)

TF..

Temperaturfühler

PE

VW

U

Nätanslutning

Netz / line / secteur

temperature sensor

M

3~ 208 .. 415 V

capteur de température

3~

50/60 Hz

temperaturgivare

bzw.

Y D

(3~ 208 .. 500V 50/60 Hz)

4-20mA

TB

or

TB

Sonderausführung

Drucksensor

pressure sensor

capteur de pression

GN

grün

MBG..

13

BN

braun

3~ Motor

Special version

Version spéciale

Specialutförande

tryckgivare

mit eingebauten Thermostatschaltern

+

10K

ext. Drehzahlvorgabe

with internal thermostats

avec thermostats intégrés

E1.2

E1.1

Digital IN 2

D2

D2

Analog IN 2

E2

GND

Analog IN 1

E1

GND

24V DC OUT 1

24V

Analog OUT 1

A

GND 24V

Digital IN 1

V

mA

E1

contact rating

Kontaktbelastung

max. 5A/250VAC

kontaktbelastning

pouvoir de coupure

TK D1

GND

D1

TK

U V W 121411

N L1 L2 L3

1* 1*

K1

27.07.07

PDUN16K13

(Ri>100k)

0...10V

Eingang / input

entrée / ingång

ext. styrsignal

consigne externe

extern desired value

med utdragen termokontakt

1* Wenn Funktion nicht benötigt wird, Klemmen brücken 1* Si la fonction n’est pas utile, les bornes doivent être reliées

If function is not needed, terminals must be bridged Om funktionen inte amvänds, måste plintarna byglas

TBL02_54-GB 0730 Part-No. 00153238-GB

Page 25 / 28

Operating instructions Dcontrol Date 0730

9.3 Connection suggestion for several motors with motor protection unit type STDT

• Total motor protection: Automatic cut-off by thermostat “TB” actuation ^ motor overtemperature. Button for Reset after
malfunction.

• Line protection: A thermal over current sensor and a magnetic short circuit releasing elements are the parts of the integral line
protection. Adjustment to the thermal overcurrent sensor to the max. permissible current of the connected cable.

• No cut-off if the mains supply is interrupted.

•

TBL02_54-GB 0730 Part-No. 00153238-GB

Page 26 / 28

Operating instructions Dcontrol Date 0730

9.4 Dimension sheet

IP 54 model range: PKDT5, PKDM5/10 (PKDM12/15)

IP 54 model range: PKDM20

Vor Öffnen des Deckels Gerät spannungsfrei schalten!

Switch off the main supply before removing the cover!

TBL02_54-GB 0730 Part-No. 00153238-GB

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Operating instructions Dcontrol Date 0730

IP 54 model range: PKDM25/35 (PKDM50/80)

IP 20 model range: PKDM25/35E (PKDM50/80E)

TBL02_54-GB 0730 Part-No. 00153238-GB

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