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Table of Contents
- 1 Table of Contents
- 2 Safety Considerations
- 3 Before Installation
- 4 Selecting Installation Site
- 5 Precautions on Installation
- 6 Installation Servicing Space
- 7 Refrigerant Pipe Size and Allowable Pipe Length
- 8 Precautions on Refrigerant Piping
- 9 Refrigerant Piping
- 10 Evacuating
- 11 Charging Refrigerant
- 12 Electrical Wiring Work
- 13 Test Operation
- 14 Disposal Requirements
- 15 Wiring Diagram
- Download this manual
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Table of Contents
Related Manuals for Daikin RZQ125B9V3B
Summarization of Contents
Before Installation
Precautions for R410A
Strict cautions for system cleanliness, dryness, and tightness for R410A.
Accessories
Handling
Instructions for safely lifting and carrying the unit.
Precautions on Installation
Drain pipe disposal
Guidance on managing drain water to prevent splashing or damage.
Refrigerant Pipe Size and Allowable Pipe Length
Selection of piping material
Details on selecting appropriate copper piping material and thickness.
Allowable Pipe Length and Height Difference
Existing or pre-installed piping can be used
Criteria for reusing existing refrigerant piping.
Refrigerant Piping
Preventing foreign objects from entering
Methods to prevent dust, insects, or animals from entering the unit's electrical parts.
Cautions for handling stop valve
Important handling advice for the unit's stop valves.
Connection and Insulation Precautions
Cautions for handling service port
Guidelines for handling the service port for refrigerant recovery.
Precautions when connecting field piping and regarding insulation
Advice on connecting piping and proper insulation to prevent condensation.
Cautions for flare connection
Specifications for processing flares and tightening torques.
Evacuating
Cautions for necessity of a trap
Requirement for installing traps in riser gas piping to prevent oil return issues.
Cautions for brazing
Procedures and precautions for brazing refrigerant piping with nitrogen.
Charging Refrigerant
Precaution for servicing
Steps for safely opening and recharging the refrigerant system.
Additional charging of refrigerant
How to calculate and add refrigerant based on piping length.
Systems with sized-up liquid pipe
Calculation adjustments for systems using larger liquid pipes.
Electrical Wiring Work
Precautions on electrical wiring work
General safety and procedural guidelines for electrical wiring.
Wiring Precautions
Precautions on wiring of power supply and inter-unit wiring
Specific guidance for connecting power supply and inter-unit wiring.
Test Operation
Pre-run checks
Essential checks before performing the test run.
Precautions regarding test-runs
Important safety and operational advice during the test run.
Failure Diagnosis
Failure diagnosis at the moment of first installation
Troubleshooting common issues encountered during initial installation.
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