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Stulz Split-Air CST 40 User Manual

Stulz Split-Air CST 40
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SPLIT-AIR
A/C UNITS
Index 39
Edition 2.04
PRECISION A/C UNITS
AIR CONDITIONING
OPERATING INSTRUCTIONS
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Stulz Split-Air CST 40 Specifications

General IconGeneral
BrandStulz
ModelSplit-Air CST 40
CategoryAir Conditioner
LanguageEnglish

Summary

Technical Data

Electrical Data

1. Unpacking and Inspection

2. Unit Identification

3. Operating Principle

4. Precautions

5. Safety Considerations

6. Precautions when handling the Unit

9. Cooling Components

11. Control, Monitoring and Safety Components

Sequencing - How to connect and configure

Step-by-step guide for connecting and configuring multiple units in a sequencing network.

Input Assignment

Output Assignment

Fan Management (Input / Output)

Operating Diagrams - C1010

Dehumidification Control

Dehumidification without el. reheat

How dehumidification works without electric reheat, using fan speed and compressor.

Dehumidification with el. reheat

How dehumidification works with electric reheat when temperature difference is high.

ADJUSTING SET-POINT/ALARM SET POINT PROCEDURE

SENSOR ADJUSTMENT - How to configure

12. Installation

POSITIONING OF INDOOR UNIT

Guidelines and checks for correctly positioning the indoor unit within the shelter.

POSITIONING OF OUTDOOR UNIT

Guidelines for selecting the location and securely installing the outdoor unit.

CONNECTION OF REFRIGERANT CIRCUIT

13. Electrical Connections

INSTRUCTIONS FOR ELECTRICAL CONNECTIONS

Detailed instructions for connecting main power, signal, and sensor cables.

Configuration for cable connections

14. Start-up

15. First Checks after Starting the Unit

16. Switching off

17. Maintenance

PREVENTIVE MAINTENANCE SCHEDULE

Recommended checks for preventive maintenance on a monthly and yearly basis.

EXTRAORDINARY MAINTENANCE INTERVALS

Intervals for general overhaul and major service, either at factory or authorized centers.

REPLACEMENT OF PARTS

Recommendations for replacing components based on their MTBF (Mean Time Before Failure).

20. Residual Hazards and Emergency Information

GENERAL SAFETY PROVISIONS

General safety rules for personnel involved in testing and maintaining the unit.

HAZARDS FROM PRODUCT CONTACT

Details on hazards arising from contact with moving fans or sharp heat exchanger fins.

HAZARDS ARISING FROM ELECTRICAL FAULTS

Information on electrical risks, safety standards, and tasks for plant managers regarding electrical equipment.

SAFETY STANDARDS FOR REFRIGERATION CIRCUITS

Precautions and safety standards to follow when working with refrigerants and refrigeration circuits.

HAZARDS ARISING IN CASE OF FIRE

Information on hazards related to refrigerant gas in the presence of flames and preventive measures.

21. Disassembling the Unit

22 Faults, Probable Causes, Possible Remedies

FAILS TO COOL

Troubleshooting steps for scenarios where the unit is not cooling effectively or at all.

FAILS TO COOL SUFFICIENTLY

Troubleshooting steps when the unit's cooling performance is inadequate.

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