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Stulz CRS 211 AS User Manual

Stulz CRS 211 AS
86 pages
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IT Cooling Solutions
Index G35
Issue 4.2016
CyberRow
Precision Air Conditioning Units
380-415 V / 3 Ph / 50 Hz
Original instructions
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Stulz CRS 211 AS Specifications

General IconGeneral
BrandStulz
ModelCRS 211 AS
CategoryAir Conditioner
LanguageEnglish

Summary

1. Safety

1.2 Safety Instructions

General safety guidelines for installation, operation, and maintenance.

2. Residual Risks

4. Description

4.2 Intended and Non-Intended Use

Guidelines on proper usage and prohibited applications.

5. Technical Data

5.1 Application Limits

Operational limits for temperature, humidity, and voltage.

6. Installation

6.1 Positioning the Unit

Recommendations for optimal unit placement in server rooms.

6.3 Refrigerant Circuit Connection (A and AS Units)

Steps for connecting the refrigerant circuit to a remote condenser.

6.3.4 Filling the Refrigerant Circuit

Steps for charging the system with refrigerant.

6.6 Electric Connections

Procedures for making safe and compliant electrical connections.

7. Start-up

7.1 Pre-start Checks

Essential checks before initial system start-up.

7.2 Initial Operation Checks

Verifying unit operation and component performance after start-up.

8. Maintenance

8.1 Safety Instructions

Safety precautions for performing maintenance work.

8.2 Maintenance Intervals

Recommended schedule for routine maintenance tasks.

8.3 Refrigerant Circuit

Checks for refrigerant charge, HP switch, and sight glass purity.

8.4 Air Circuit

Maintenance for heat exchanger, fans, and air filter.

9. Malfunction

9.1 Alarm Messages and Causes

Troubleshooting guide for common alarm messages and their causes.

10. Dismantling and Disposal

10.2 Refrigerant and Oil Disposal

Guidelines for proper disposal of refrigerant and compressor oil.

12. Options

12.1.4 Fault Elimination

Troubleshooting guide for steam humidifier malfunctions and error indications.

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