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General| Category | Heat Pump |
|---|---|
| Model | MRV II AV14NMVERA |
| Refrigerant | R410A |
| Operating Temperature Range (Cooling) | -5 ~ 48 °C |
| Operating Temperature Range (Heating) | -15 ~ 24 °C |
Details on how to combine multiple outdoor units for a single system.
Overview of different outdoor and indoor unit models and their specifications.
Procedures and guidelines for installing refrigerant piping, including principles, specifications, and testing.
Detailed steps for installing refrigerant pipes, including expanding, brazing, and leakage checks.
Procedure for conducting leakage tests on the refrigerant system using nitrogen.
Steps for evacuating the refrigerant system to remove air and moisture.
Instructions for charging refrigerant and calculating additional refrigerant amounts.
Procedure for checking and operating valves, including tightening torque specifications.
Steps for performing trial operation and checks after installation completion.
Checks and preparations required before installing the indoor unit.
List and quantities of standard accessories included with indoor units.
Specific installation guidelines for 4-way cassette type indoor units.
Procedure for installing the ornamental panel, including handling and attachment.
Guidelines for installing the drain pipe, ensuring proper slope and insulation.
Installation details for ceiling concealed indoor units, including placement and ducting.
Installation procedures for medium static pressure duct units.
Details on the physical installation of the indoor unit, including leveling and suspension.
Guidance on installing air return ducts, including placement and connection.
Instructions for thermally insulating air ducts to prevent condensation.
Instructions on drain piping for air conditioning units, including good and bad practices.
Specifications and procedures for designing and installing air ducts.
Details on installing a backwater bend in the drain hose.
Procedure for drilling holes for piping connections.
Steps for installing anchor bolts for unit mounting.
Instructions for installing mounting brackets.
Procedure for connecting and securing the drain hose.
Detailed instructions on connecting wires to terminal blocks for proper electrical connections.
Procedure for securing connection cords and power cables using cord clamps.
Diagram illustrating the power wiring connections for units.
Diagram showing communication wiring between indoor and outdoor units.
Specifications for power cables, communication wires, and circuit breakers.
Specific wiring diagrams for different unit series and connection types.
Diagrams detailing wiring connections between multiple units in various configurations.
Illustrations of wiring connections for indoor and outdoor units.
Important safety precautions and requirements for wall-mounted unit installation.
Specifications for power supply, grounding, and wiring for electrical connections.
Guidelines for choosing the optimal installation location for console units.
Criteria for selecting suitable locations for outdoor unit installation, avoiding adverse conditions.
Requirements for installation space around outdoor units, including clearance and access.
Guidelines for installing multiple outdoor units together in different layouts.
Diagrams illustrating wiring configurations for central controllers and connected units.
Specifications for communication wires used with central controllers, including type and length.
Procedure for connecting the central controller to the connecting board (IGU04).
Step-by-step process for conducting trial operation after installation.
Items to check and confirm before performing the trial operation.
Procedure for confirming outdoor unit operation and parameters during cooling mode.
Procedure for confirming outdoor unit operation and parameters during heating mode.
