Stulz Split-Air CST 40 Bedienungsanleitung

230/1/50 400/3/50

SPLIT-AIR

A/C UNITS

Index 39

Edition 2.04

PRECISION A/C UNITS

AIR CONDITIONING

OPERATING INSTRUCTIONS

E/0204/39/2

E/0204/39/3

Contents Page

Introduction 4

Technical Data 6

Electrical Data 8

Dimensions 10

1. Unpacking and Inspection 16

2. Unit Identificaton 17

3. Operating Principle 18

4. Precautions 24

5. Safety Considerations 24

6. Precautions when handling the Unit 25

7. Vibrations 25

8. Mechanical Parts 25

9. Cooling Components 26

10. Motors 27

11. Control, Monitoring and Safety Components 27

12. Installation 45

13. Electrical Connections 52

14. Start-up 55

15. First Checks after starting the Unit 55

16. Switching off 55

17. Maintenance 55

18. Inactivity 59

19. Options 60

20. Residual Hazards and Emergency Information 71

21. Disassembling the Unit 75

22. Faults, probable Causes, possible Remedies 76

The manufacturer reserves the right to make alterations without notice.

E/0204/39/4

Introduction

Modifications in comparison to edition 4.02

• Technical/electrical data have been changed.

• The operating modes have been extended by a desciption of the mixed mode.

• Chapter 8 "Mechancial Parts" has been extended by a description of the panel insulation and

the fixing brackets.

• Sequencing description in chapter 11 has been added.

• The digital input assignment has slightly been changed.

• The description of the setpoint adjustment has been changed.

• The user setup parameters are listed.

• A description of the sensor calibration has been added.

• Chapter 12 "Installation" has been enriched by a table which shows the pipe diameters of the

connection piping dependent on the pipe length.

• Chapter 13 "Electrical connection" has been extended by some notes.

• In chapter 17 mean operating times for the component exchange are listed.

• The description of nearly all options has been extended by text. All available options are now

described. Beyond this, some options have been changed substantially:

- GRxxSOP this option (previously GRxxS) now includes an overpressure damper which is

fixed at the exhaust air grille.

- SIGC3 the cable layout has changed.

The following options have been added:

- KPDC1010 - Keypad, SERC1010 - serial adapter RS485 for gateway connection, SPLIT-

TER - LAN-Y-plug for sequencing.

The following information is supplied in accordance with Standards:CE73/23,CE93/68,CE89/392:

MANUFACTURER'S NAME AND ADDRESS

STULZ GmbH

Holsteiner Chaussee 283

22480 Hamburg

DATA REGARDING THIS MODEL Air conditioner for telecom application

YEAR OF MANUFACTURE As shown on the technical name plate on the unit

HOW TO CONSULTTHIS MANUAL

This document contains general informations valid for all models of the series.Further

informations like wiring diagrams etc. will be delivered with each unit.

THIS MANUAL IS INTENDED FOR

OWNER OF THE APPLIANCE

PERSON RESPONSIBLE FOR ITS INSTALLATION

PERSON RESPONSIBLE FOR MANAGING THE PRODUCT

PERSON RESPONSIBLE FOR ORDINARY MAINTENANCE

PERSON RESPONSIBLE FOR ITS DISASSEMBLY

E/0204/39/5

PURPOSE OF THE INFORMATION CONTAINED INTHIS MANUAL:

CORRECT HANDLING performed by unskilled personnel

CORRECT INSTALLATION performed by skilled personnel;

CORRECT START-UP performed by personnel trained by STULZ;

CORRECT MANAGEMENT performed by skilled personnel;

CORRECT MAINTENANCE performed by skilled personnel;

CORRECT ORDER FOR SPARE PARTS, made by skilled personnel;

CORRECT DISPOSAL OF THE PRODUCT, made by skilled personnel.

RESTRICTIONSTOTHE USE OFTHIS MANUAL

They apply to any operations that must be performed by highly skilled personnel.

WHERE AND HOWTO STORETHIS MANUAL

Inside the electric cabinet or together with any other literature concerning the equipment which

utilizes the product, provided it is a dry and clean place.

In the event of the manual being misplaced or damaged, the customer may require, for a fee, a

new manual, by quoting the model and serial number shown on the technical name- plate, by

contacting your local STULZ partner.

CURRENT TECHNOLOGY

This manual reflects the state of the art existing at the time the product is marketed and shall not

be deemed to be inadequate for the sole reason that it has not been updated as a result of any

new experience.

UPDATES

STULZ reserves the right to update the product and relevant manual without being required to

update previous products and manuals other than in exceptional circumstances.To require or

receive any updates of the instructions manual or amendments thereto, which shall be deemed

to be an integral part of the manual, please contact your local STULZ partner.

FOR FURTHER INFORMATION

Please contact your local STULZ partner.

Any suggestions or recommendations made by installers or users of the product for the purpose

of improving the product or the contents of this manual, will be greatly appreciated by the

Manufacturer.

IN THE EVENT OF SALE OFTHE PRODUCT

Please advise STULZ GmbH of the address of the new owner so as to enable the dispatch of

any updates to the manual, otherwise STULZ GmbH shall be relieved of any subsequent

liabilities

E/0204/39/6

* Ambient temp. 35°C; Inside cabinet temp. 25°C RH 40%

** measured at 2m distance from the unit front, free field, unit operating in cooling mode at nominal conditions. Referred to type 1.

*** Type 1: with free cooling & emergency ventilation; DC fans;

Type 2: cooling only; with AC fans

Technical Data Split-Air CST 40 / 50

Cooling capacity *

Sensible cooling capacity*

Refrigerant

Refrigerantcharge

Condenserfan

Number/Type

Air flow

External static pressure

Evaporator fan (Type 1)***

Voltage

Number/Type

Air flow

External static pressure

Evaporator fan (Type 2)***

Number/Type

Air flow

External static pressure

EER index (type 2)*

Outsideoperating limit temp. min/max

Shelteroperating limit temp. min/max

Duty cycle

Outdoor unit

Noiselevel**

Weight

Height /Width / Depth

Indoor unit type 1

Noiselevel**

Weight

Height /Width(with brackets) / Depth

Indoor unit type 2

Weight

Height /Width(with brackets) / Depth

m³/h

W/W

°C

dB(A)

CST 40

3.8

R407c

1.95

1 / 315 axial

1900

24DC/48DC

1 / 280 radial

1000

2 / 220 radial

1000

1.88

-20/+45

+20/+40

100

580/800/350

310/856/1050

310/856/800

CST 50

5.2

4.8

R407c

2.1

1 / 315 axial

2000

24DC/48DC

2 / 220 radial

1100

145

2 / 220 radial

1100

2.55

-20/+45

+20/+40

100

580/800/350

310/856/1050

310/856/800

E/0204/39/7

* Ambient temp. 35°C; Inside cabinet temp. 25°C RH 40%

** measured at 2m distance from the unit front, free field, unit operating in cooling mode at nominal conditions. Referred to type 1.

*** Type 1: with free cooling & emergency ventilation; DC fans;

Type 2: cooling only; with AC fans

Technical Data Split-Air CST 60 / 80

Cooling capacity *

Sensible cooling capacity*

Refrigerant

Refrigerantcharge

Condenserfan

Number/Type

Air flow

External static pressure

Evaporator fan (Type 1)***

Voltage

Number/Type

Air flow

External static pressure

Evaporator fan (Type 2)***

Number/Type

Air flow

External static pressure

EER index (type 2)*

Outsideoperating limit temp. min/max

Shelteroperating limit temp. min/max

Duty cycle

Outdoor unit

Noiselevel**

Weight

Height /Width / Depth

Indoor unit type 1

Noiselevel**

Weight

Height / Width(with brackets) / Depth

Indoor unit type 2

Weight

Height / Width(with brackets) / Depth

m³/h

W/W

°C

dB(A)

CST 60

6.4

5.6

R407c

2.5

1 / 420 axial

2800

24DC/48DC

1 / 310 radial

1400

1 / 310 radial

1400

2.47

-20/+45

+20/+40

100

640/950/400

375/956/1300

375/956/1000

CST 80

8.4

7.8

R407c

3.2

1 / 450 axial

3400

24DC/48DC

2 / 280 radial

2150

2 / 310 radial

2150

2.74

-20/+45

+20/+40

100

640/950/400

375/956/1300

375/956/1000

E/0204/39/8

CST 40 CST 50

Electrical Data Split-Air CST 40 / 50

Outdoor Unit

Power Supply Code

Nominalvoltage

Toleranceon voltage

Phase

Frequency

Toleranceonfrequency

Powerconsumption*

Operatingcurrent (OA)*

Lockedrotor current(LRA)*

Controlvoltage

Compressor

Powerconsumption*

Operatingcurrent (OA)*

Max.current (FLA)

Lockedrotor current(LRA)

CondenserFan

Powerconsumption*

Operatingcurrent (OA)*

Indoor UnitType 1**

Voltage

Toleranceon voltage

Powerconsumption*

Operatingcurrent (OA)*

Lockedrotor current(LRA)

EvaporatorFan

Powerconsumption*

Operatingcurrent (OA)*

Lockedrotor current(LRA)

Indoor UnitType 2**

Powerconsumption*

Operatingcurrent (OA)*

Lockedrotor current(LRA)

EvaporatorFan

Powerconsumption*

Operatingcurrent (OA)*

Lockedrotor current(LRA)

* Ambient temp. 35°C; Inside cabinet temp. 25°C RH 40%

** Type 1: with free cooling & emergency ventilation; DC fans;

Type 2: cooling only; with AC fans

230

220-240±10%

±2%

1.8

8.4

43.6

1.73

7.8

11.9

400

380-420±10%

3+N

±2%

1.8

4.2

22.6

1.73

3.6

5.4

Vac

VDC

230

220-240±10%

±2%

1.9

8.7

47.6

1.74

8.1

11.4

400

380-420±10%

3+N

±2%

1.9

3.8

24.6

1.74

3.2

4.2

0.11

0.58

24 / 48

22-28/43-56

0.13 / 0.13

6.1 / 3.05

9.25 / 5.42

0.1 / 0.1

4.82 / 2.42

8 / 4.8

0.18

0.82

2 x 0.7

0.18

0.82

2 x 0.7

0.11

0.58

24 / 48

22-28/43-56

0.25 / 0.24

11.75 / 5.66

17.25/ 10.22

0.22 / 0.21

10.5 / 5.04

2 x 8 / 4.8

0.19

0.83

2 x 0.7

0.19

0.83

2 x 0.7

E/0204/39/9

CST 60 CST 80

Electrical Data Split-Air CST 60 / 80

* Ambient temp. 35°C; Inside cabinet temp. 25°C RH 40%

** Type 1: with free cooling & emergency ventilation; DC fans;

Type 2: cooling only; with AC fans

Outdoor Unit

Power Supply Code

Nominalvoltage

Tolerance on voltage

Phase

Frequency

Tolerance onfrequency

Powerconsumption*

Operatingcurrent (OA)*

Lockedrotor current(LRA)*

Controlvoltage

Compressor

Powerconsumption*

Operatingcurrent (OA)*

Max.current (FLA)

Lockedrotor current(LRA)

CondenserFan

Powerconsumption*

Operatingcurrent (OA)*

Indoor UnitType 1**

Voltage

Tolerance on voltage

Powerconsumption*

Operatingcurrent (OA)*

Lockedrotor current(LRA)

EvaporatorFan

Powerconsumption*

Operatingcurrent (OA)*

Lockedrotor current(LRA)

Indoor UnitType 2**

Powerconsumption*

Operatingcurrent (OA)*

Lockedrotor current(LRA)

EvaporatorFan

Powerconsumption*

Operatingcurrent (OA)*

Lockedrotor current(LRA)

230

220-240±10%

±2%

2.5

11.3

61.7

2.29

10.6

14.8

400

380-420±10%

3+N

±2%

2.5

4.8

32.7

2.29

4.1

5.1

Vac

VDC

230

220-240±10%

±2%

2.8

13.0

76.9

2.6

12.1

17.3

400

380-420±10%

3+N

±2%

2.8

5.6

40.9

2.6

4.7

6,2

0.16

0.74

24 / 48

22-28/43-56

0.13 / 0.13

5.73 / 2.98

12.25 / 6.12

0.1 / 0.1

4.48 / 2.35

11 / 5.5

0.14

0.63

1.5

0.14

0.63

1.5

0.19

0.92

24 / 48

22-28/43-56

0.2 / 0.2

9.68 / 4.84

17.25/ 10.23

0.2 / 0.2

9.68 / 4.84

2 x 8 / 4.8

0.28

1.27

2 x 1.5

0.28

1.27

2 x 1.5

E/0204/39/10

Dimensions - Inside Unit CST 40/50 without free cooling

320 310

800

856

800

54,5

320 80

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