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Denco CAIRplus User Manual

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OPERATION MANUAL
Modular Air Handling Units
CAI Rplus
®
Solutions with Maximum Flexibility
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Denco CAIRplus Specifications

General IconGeneral
BrandDenco
ModelCAIRplus
CategoryAir Handlers
LanguageEnglish

Summary

Unit Type Code

Unit Type Code Explanation

Explains the structure and coding system for unit type identification.

Safety and User Instructions

Safety Symbols and Instructions

Explains manual symbols, labelling, and specific danger/warning signs.

Safety-Conscious Work Procedures

Provides guidelines for safe work practices during installation, adjustment, or repair.

Proper Use and Personnel Qualification

Defines intended use, handling refrigerants, and required personnel qualifications.

Technical Description

Performance Scope and Ambient Conditions

Outlines unit capabilities, applications, and operating environmental conditions.

Shipping and Storage

Delivery and Transport Safety

Procedures for unit delivery, checking damage, and safe transport methods.

Assembly

Unit Placement and Foundation Requirements

Requirements for unit placement, site, and foundation for indoor and outdoor installations.

Assembling the Unit Modules

Safety warnings and steps for assembling unit modules, including lifting lug removal.

Installation

Installation Requirements and Coil Connections

General requirements for installation, air-conveying components, and coil connections.

Water Drain Trapping and Refrigerant Systems

Explains condensate drain trapping and procedures for installing integrated refrigerating systems.

Electrical Connection

Electrical Connection Requirements and Motor Protection

Requirements for connection, lightning protection, and motor protection mechanisms.

Connecting Electric Motors and EC Fans

Instructions for connecting electric motors, including EC fans and frequency inverters.

Commissioning and Maintenance

Routine Cleaning and Maintenance

Guidelines for routine cleaning, maintenance intervals, and cleaning heat exchangers.

Maintenance Frequency Checklist

Details maintenance frequencies for filters, coolers, evaporators, fans, and dampers.

Commissioning and Maintenance of Heater Assemblies

Steps for commissioning and maintaining heater assemblies (warm water, steam).

Safety Warnings for Refrigerant Handling

Specific warnings for high refrigerant concentration, smoking, refrigeration injury, and high pressure.

Disassembly and Disposal

Unit Dismantling Procedures

Steps for safely dismantling the unit, including electrical and hydraulic safety.

Unit Disposal Guidelines

Guidelines for environmentally friendly disposal of unit components and materials.

Troubleshooting

Troubleshooting and Repair Procedures

Notes on performing troubleshooting and repair procedures, emphasizing qualified personnel.

Appendix

Maintenance Log Book CAIRplus

Template for recording maintenance and commissioning activities for the CAIRplus unit.

Maintenance Log Book Entries

Continues the log book entries for monthly maintenance checks.