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General| Series | City Multi |
|---|---|
| Type | Heat Pump |
| Cooling Capacity | 25.0 kW |
| Heating Capacity | 28.0 kW |
| Refrigerant | R410A |
| Operating Temperature Range (Cooling) | -5°C to 46°C |
| Power Supply | 380-415V, 50Hz, 3-Phase |
Confirms the parts supplied with the outdoor unit for grounding the S terminal.
Precautions to take before starting the installation process.
Precautions for safely handling and moving the unit.
Precautions related to electrical wiring and connections.
Steps to take before performing the initial operational test.
Specific precautions for using R410A refrigerant systems.
Lists and illustrates accessories included with the outdoor unit.
Guidelines for selecting an appropriate installation site for the outdoor unit.
Details on compatible indoor units and connection quantity limits.
Specifies valid combinations for connecting PEFY-P-VMA3-E indoor units.
Lists authorized connectable indoor units for PLFY-EP-VEM-E.
Required clearances for ventilation and service access.
Minimum dimensions for single outdoor unit installation.
Clearance requirements for installing multiple outdoor units.
Precautions for installing units in locations exposed to strong winds.
Key precautions when working with R410A refrigerant systems.
Details on piping connections without using a branch box.
Details on piping connections using a branch box.
Piping for mixed systems of City Multi and M series with branch boxes.
Piping specifications for a 1-branch box in a mixed system.
Piping specifications for 2-branch boxes in a mixed system.
Piping specifications for 3-branch boxes in a mixed system.
Guide for selecting pipe sizes in various connection configurations.
Instructions and methods for connecting refrigerant pipes.
Procedure to calculate and charge additional refrigerant.
Detailed steps for refrigerant piping installation and cover attachment.
Procedure for installing the main refrigerant piping.
Procedure to remove pinch connection pipes before piping connection.
Steps for connecting pipes and operating valves.
Method for testing the airtightness of refrigerant pipes.
Instructions for connecting the outdoor unit drainage pipe.
General safety precautions and warnings for electrical work.
Details on control box connections and wiring locations.
Wiring diagrams and specifications for power supply and capacity.
Details on types of transmission and remote control cables.
Specifications for wiring transmission cables.
Specifications for M-NET remote control cables.
Specifications for MA remote control cables.
Wiring and address settings for group operation systems.
Example wiring diagram for connecting with a branch box.
Example wiring diagram for mixing systems.
Guide for setting unit addresses using DIP switches.
Checks to perform before starting the test run.
Procedures for performing the test run.
Procedure for conducting a test run using the remote controller.
Procedure for conducting a test run using the outdoor unit's SW3 switch.
Details on outdoor unit connectors and their functions.
Description of the state of the outdoor unit connector CN51.
Functionality for auto change over via CN3N connector.
Settings for silent mode and demand control via CN3D connector.
Enabling the external static pressure mode via DIP switch.
