CLIMATEC CLT4 Handbook

CLIMATEC

Pressure Inlet Controller

CLT4

Version 4.0

HANDBOOK

1

Climatec Systems Ltd Old Wharf Industrial Estate Ledbury Herefordshire HR8 2JQ Tel [phone] Fax [phone] Email [email protected]

MAIN SETTINGS (RUN MODE)

Press SET.
Display will change to show the set pressure.
Press + or - to adjust.

Press SET again.
Display will change to show the minimum inlet position.
Press + or - to adjust.

(This setting is only used when the Minimum Input contact is open.)

Press SET again.
Display will change to show the maximum inlet position.
Press + or - to adjust.

(This setting is only used when the Maximum Input contact is open.)

Press SET again.
Display will change to show the SEt.2 pressure setting.
Press + or - to adjust.

This setting is controlled based upon an external signal from, for
example a HP1 1 thermost at. This can provide a “cold outside tem­perature” pressure setting.

(This setting is only used when the SEt.2 Input contact is closed.)

VIEWING

Press SET again to return to the current pressure reading.

Press INLET 1.
INLET 1 button indicator will illuminate and the display will
change to show the current position of inlet 1.

Press INLET 2.
INLET 2 button indicator will illuminate and the display will
change to show the current position of inlet 2.

If INLET 2 is disabled (n.inL=1 (see COSt settings)) and INLET 2
is pressed the display will change to indicate no operation:

These lamps illuminate to indicate the control condition.
When MIN is lit this indicates that the minimum set position is active. When this light is
not lit the minimum set position is set at 0%
When MAX is lit this indicates that the maximum set position is active. When this light is
not lit the maximum set position is set at 100%.

These lamps illuminate to show the current state of the inlet control.
When CLOSE is lit this indicates that the controller is closing the inlet.

When OPEN is lit this indicates that the controller is opening the inlet.

This lamp is illuminated when the SEt.2 Input Contact is made. When this lamps is lit
the controller runs the inlets to the SEt.2 pressure setting (See MAIN SETTINGS).

2

Climatec Systems Ltd Old Wharf Industrial Estate Ledbury Herefordshire HR8 2JQ Tel [phone] Fax [phone] Email [email protected]

INLET 1 POTENTIOMETER CALIBRATION PROCEDURE

Press and hold INLET 1.
Display will change to show the start of the calibration procedure:

Continue to hold INLET 1 until the display changes to read the
potentiometer readout:

Release INLET 1.
The controller will drive the inlet fully closed (ensure that the
auto-manual switch is in the auto position).

When the inlets are in the fully closed position and the
potentiometer readout has stopped moving press INLET 1.
The controller will drive the inlet fully open.

When the inlets are in the fully open position and the
potentiometer readout has stopped moving press INLET 1.

The calibration procedure is complete.
The display will change to show the current inlet position.

INLET 2 POTENTIOMETER CALIBRATION PROCEDURE

Press and hold INLET 2.
Display will change to show the start of the calibration procedure:

Continue to hold INLET 2 until the display changes to read the
potentiometer readout:

Release INLET 2.
The controller will drive the inlet fully closed (ensure that the
auto-manual switch is in the auto position).

When the inlets are in the fully closed position and the
potentiometer readout has stopped moving press INLET 2.
The controller will drive the inlet fully open.

When the inlets are in the fully open position and the
potentiometer readout has stopped moving press INLET 2.

The calibration procedure is complete.
The display will change to show the current inlet position.

3

Climatec Systems Ltd Old Wharf Industrial Estate Ledbury Herefordshire HR8 2JQ Tel [phone] Fax [phone] Email [email protected]

COSt SETTINGS

To enter COSt settings press and hold the + & ­keys until COSt is displayed.

Press INLET 2 to scroll through the settings,
using the + & - keys to adjust the setting values
as required.

gnitteS

.b.n

Fo.t

GorP

.b.n.L

EtnI

P

1.C

1.OP

2.CP

2.OP

EPYt

Lni.n

rP.dA

*1) For more details see Operating Diagram.
*2) The amount the inlet will move after each waiting time (t.oF).
*3) tYPE=1 DP59/W Pressure Sensor (0-300 Pascal = 0-3 mBar)

tYPE=2 Climatec Pressure Sensor (0-100 Pascal = 0-1 mBar)

To return to Run Mode press INLET 1.

tluafeD

eulaV

P6

"5
%3
%2

"1

0

0001

0

0001
1=
2=

0.0

ruoY

eulaV

noitpircseDsetoN

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gnitiaW

stnemevomtelnineewtebemit

tnemevomtelni%

dnablartuen%tnemevoMtelnI

emitnoitargetnignidaererusserP

seR

tupnierusserpfoepyT

stelniforebmuN

noitcerrocrosneserusserP

1*

2*

noitisopesolCniretemoitnetop1telnIfoecnatsiseR

noitisopnepOniretemoitnetop1telnIfoecnatsiseR

noitisopesolCniretemoitnetop2telnIfoecnatsiseR

noitisopnepOniretemoitnetop2telnIfoecnatsi

3*

PRESET PROGRAMS

On delivery this processor is programmed with the following (variable) settings:
Set.P = 40P, P. = 0%, P. = 100%, Set.2 = 40P

The COSt values are shown in COSt Programming section.

To return to these settings at any time:
Power off the processor, press and hold INLET 2 and switch the
power on:

After 2 seconds boot message will be displayed:
release INLET 2.

4

Climatec Systems Ltd Old Wharf Industrial Estate Ledbury Herefordshire HR8 2JQ Tel [phone] Fax [phone] Email [email protected]

OPERATING DIAGRAM

1 Pascal 1 Pascal

ON

operation conditioned
by t.of and ProG (see
COSt).

operation conditioned
by t.of and ProG (see
COSt).

ON

OPENCLOSE

OFF

1/2 n.b. 1/2 n.b.

SEt.P or Set.2

External conditioning:
C1= Change set input contact (from SEt.P to SEt.2 value).
C2= Minimum % input contact (minimum opening is conditioned from P. setting).
C3= Maximum % input contact (maximum opening is conditioned from P. setting).

OFF

INCREASING PRESSURE SIGNAL

SNUBBER DIAGRAM

If operating 240 volt relays or contactors, you must:
a) Ensure that common feed (terminals 3, 5, 7 & 9) is supplied via a 4 amp fuse.

b) A snubber network (supplied as an extra) is connected across the coil of the

contactor.

L
240Volt
Supply

N

Contactor Coil

Contactor Coil

L

240Volt

Supply

N

Snubber

Contactor Coil

Snubber

Snubber

Contactor Coil

Snubber

IF IN DOUBT PLEASE CALL CLIMATEC SYSTEMS FIRST.

5

Climatec Systems Ltd Old Wharf Industrial Estate Ledbury Herefordshire HR8 2JQ Tel [phone] Fax [phone] Email [email protected]

INSTALLATION

For correct installation, follow the instructions below very carefully.

It is recommended to install the controller properly so that it complies with current regulations, and also
to use a max 4Amp.F fuse to prevent the relay output contacts from getting damaged and ensure they
stay in perfect running order (terminals 3-4... 9-10 of the HP module connector).

How to connect the potentiometers and Input contacts

Connect the potentiometer provided as shown in the diagram below: connect the 1 Kohm potentiometer
(max 10Kohm) applied to the flap motor.
For remote connections use a standard 0.5-square millimetre two-pole wire for each potentiometer,
taking great care over the connections, by insulating and sealing any joins carefully.

How to connect the line
Connect line on terminals L-N; protect supply with adequate fuse.
How to connect the contacts

Connect terminals 3-4...9-10 on the terminal block (contacts up to 4AMP.AC1) to the inlet power pack
as shown in the diagram below.

DEPRESSIOMETER

INLET 1

INLET 2

INPUT

CONTACTS

- +

1 2 3 4 5 6 7 8 9 10 11 12

CLT4

230V LINE

INLET 1 CLOSE

INLET 1 OPEN

INLET 2 CLOSE

INLET 2 OPEN

Climatec Systems Limited, Ledbury, Herefordshire. HR8 2JQ.

www.climatec.co.uk

As it company policy to continually improve the products the Manufacturers
reserve the right to make any modifications thereto without prior notice.
They cannot be held liable for any damage due to malfunction.

Pressure Sensor

Input /Output

For Use ONLY with CLIMATEC

pressure sensor

Connection to CLT4

terminals 17 & 18

SEt .2 contact

(Normally Open)

In Out Gnd

input

++ -

CLT4 Digital to Analogue Interface

Minimum Input

(Normally Closed)

Maximum Input

(Normally Open)

No Connection

13.05.09

6

Climatec Systems Ltd Old Wharf Industrial Estate Ledbury Herefordshire HR8 2JQ Tel [phone] Fax [phone] Email [email protected]

CLT4 Wiring Diagram

for

DP59/W Pressure Sensor

(tYPE=1)

1

2

3

4

5

6

7

8

9

101112

CLT4

Interface

Contact

Maximum Lock

(Normally open from

total stages))

Fan Panel (2/3rds of

Contact

Minimum Lock

(Normally closed from

Fan Panel stage 1)

NOTE: External Contacts

Set 2 Contact

unit these external contact

Due to the sensitivity of the

from external

(Normally OPEN,

contactor auxilliaries

must be via a relay and not

controller)

Inlet 2

Open

Close
Common
Open

Inlet 2

Drive

Signals

CLT4

Close

11 12 13 14 15 16 17 18

12345678910

LN

Feedback Pot

Inlet 1

Common

Inlet 1

Drive

Signals

Feedback Pot

Mains

Supply

240VAC

DP59/W

Pressure Sensor

Climatec Systems Ltd Old Wharf Industrial Estate Ledbury Herefordshire HR8 2JQ Tel [phone] Fax [phone] Email [email protected]

12345678

LN

7

CLT4 Wiring

Diagram

+-

24VDC

Supply

PCB)

power supply

(from existing

for

Climatec

Pressure Sensor

(tYPE=2)

Sig GND +V

1

2

3

4

5

6

7

8

9

Sensor

Climatec Pressure

101112

CLT4

Interface

Contact

Maximum Lock

(Normally open from

Fan Panel (2/3rds of

total stages))

Contact

Minimum Lock

(Normally closed from

Fan Panel stage 1)

Inlet 2

Feedback Pot

Inlet 1

11 12 13 14 15 16 17 18

CLT4

12345678910

LN

NOTE: External Contacts

Due to the sensitivity of the

Set 2 Contact

Open

Close
Common
Open

Close
Common

unit these external contact

must be via a relay and not

from external

(Normally OPEN,

Drive

Inlet 2

Drive

Inlet 1

contactor auxilliaries

controller)

Signals

Signals

Feedback Pot

Mains

Supply

240VAC

Climatec Systems Ltd Old Wharf Industrial Estate Ledbury Herefordshire HR8 2JQ Tel [phone] Fax [phone] Email [email protected]

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