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Panasonic PAW-280PAH3M - User Manual

Panasonic PAW-280PAH3M
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NX
AHU Kit – Installation Instructions – 2021
Air Handling Unit Kit
Installation Instructions
PAW-160MAH2(L/M)
PAW-280MAH2(L/M)
PAW-560MAH2(L/M)
PAW-280PAH2(L/M)
PAW-280PAH3M

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Summary

General information and safety notes

General information

Provides general information about Panasonic AHU Kits and their intended use.

Safety notes

Lists essential safety precautions to prevent harm to persons or damage to products.

Instructions for the safe handling of R32

Details crucial precautions for handling R32 refrigerant due to its flammability.

Calculating the density limit

Explains how to calculate the density limit for installation spaces with R32 refrigerant.

Density limit diagrams

Illustrates the relationship between refrigerant charge and required installation space.

Preventing leakages

Provides essential guidelines to prevent refrigerant leakages during installation and maintenance.

Detecting leaks

Details methods for detecting refrigerant leaks safely and effectively.

Repairing leaks

Outlines the procedure for repairing refrigerant leaks, including brazing and purging.

Warranty policy

Explains the scope of responsibility for AHU Kit quality and performance.

Ventilation theory and air handling units

Purpose of air-conditioning

Explains the goals of air-conditioning for comfort and energy saving potential.

Mechanical ventilation systems

Lists the main components of a mechanical ventilation system.

Air handling units

Describes the main components and types of air handling units.

Air handling unit control by external 0-10 V signal

Illustrates how AHU Kits can be controlled using an external 0–10 V signal.

Product description

General description

Provides an overview of Panasonic AHU Kits, their features, and benefits.

Scope of supply

Details the included components for different AHU Kit versions and product generations.

Control functions provided as standard by integral components

Explains control functions offered by remote controllers, thermostats, and CZ-CAPBC2 units.

PAW-T10 PCB to connect to T10 connector (light and advanced versions only)

Describes the function and terminals of the PAW-T10 PCB for light and advanced versions.

Mounting boards

Shows the layout and components of the MAH2/PAH2 upper and lower mounting boards.

PAH3 Mounting board

Illustrates the layout and components of the PAH3 mounting board.

System lineup

Presents the system lineup for ECOi systems, detailing outdoor unit and AHU Kit combinations.

System Overview

Provides an overview of the ECOi system connection, showing components and their labels.

System example for ECOi single-connection system

Illustrates a single-connection system example for ECOi units.

Multi-connection system

Shows a diagram of a multi-connection system for ECOi units.

System Overview - ECO G systems

Explains system overview for ECO G systems, including single and multi-connection types.

System Overview - PACi and PACi NX systems

Describes system overview for PACi and PACi NX systems, showing single-connection setup.

Technical data

Presents the technical data for AHU Kits, including power, dimensions, and operating ranges.

Installation

Installation of AHU Kit

Provides warnings and instructions for installing the AHU Kit enclosure.

MAH2;PAH2 generation

Details the mounting instructions for the MAH2/PAH2 generation AHU Kit.

PAH3 generation

Details the mounting instructions for the PAH3 generation AHU Kit.

Installation of refrigerant piping

Lists limitations and restrictions for installing refrigerant piping.

Installation of expansion valve

Provides attention notes regarding the wires of the expansion valve.

Installation of thermistors

Advises on protecting thermistor wires and lists installation limitations.

Installation of thermistor on gas pipe

Details the procedure for installing the thermistor on the gas pipe for ECOi/ECO G systems.

Installation of thermistor on liquid pipe

Explains how to install the thermistor on the liquid pipe of the heat exchanger.

Installation of thermistor on heat exchanger pipe middle

Details the installation of the thermistor on the middle of the heat exchanger pipe for PACi/PACi NX.

Installation of thermistor for suction and discharge air stream

Guides on installing thermistors for suction and discharge air streams for various systems.

Matching outdoor unit capacity with AHU Kit capacity - PACi and PACi NX systems

Explains how to match AHU Kit capacity with PACi and PACi NX outdoor units.

Method A: Cutting JP001 to ignore capacity

Describes how to ignore unit capacity by cutting jumper JP001 on the outdoor unit PCB.

Method B: Changing outdoor unit setting to ignore capacity

Explains how to change outdoor unit settings using a wired remote controller to ignore capacity.

Method C: Adapting AHU capacity to PACi outdoor unit capacity

Details how to adapt AHU Kit capacity to match PACi outdoor unit capacity via integrated remote controller.

Electrical Wiring

General precautions on wiring

Provides essential precautions for electrical wiring to avoid hazards.

Connection of wiring to terminals

Instructs on how to connect wiring to the terminals according to wiring diagrams.

Stranded wire

Details the process of preparing and attaching wire-end sleeves to stranded wires.

Shielded wire

Explains how to prepare and insulate shielded wires for proper connection.

Terminal board layout

Shows the terminal layout for the main terminal board of MAH2/PAH2 models.

Terminal layout - PAW-T10 PCB (for advanced and light versions only)

Details the terminal layout and functions for the PAW-T10 PCB.

Terminal layout - CZ-CAPBC2; ACC-SP1 A (for advanced and medium versions only)

Shows the terminal layout for the CZ-CAPBC2 / ACC-SP1A interface.

CZ-CAPBC2 digital input functionality

Explains the functionality settings for CZ-CAPBC2 digital inputs via switch S1.

PAH3 M model

Details the terminal layout for the main terminal board of the PAH3M model.

Wiring layout

Provides the wiring layout for MAH2 models, including a legend.

PAW-160 MAH2 M for ECOi and ECO G

Shows the wiring diagram and legend for PAW-160MAH2M in ECOi and ECO G systems.

PAW-280 MAH2 L for ECOi and ECO G

Displays the wiring diagram and legend for PAW-280MAH2L in ECOi and ECO G systems.

PAW-280 MAH2 M for ECOi and ECO G

Shows the wiring diagram and legend for PAW-280MAH2M in ECOi and ECO G systems.

PAW-280 MAH2 for PACi

Provides the wiring diagram and legend for PAW-280MAH2 in PACi systems.

PAW-560 MAH2 L for ECOi and ECO G

Displays the wiring diagram and legend for PAW-560MAH2L in ECOi and ECO G systems.

PAW-560 MAH2 M for ECOi and ECO G

Shows the wiring diagram and legend for PAW-560MAH2M in ECOi and ECO G systems.

Wiring layout - PAH2 models

Provides the wiring layout for PAH2 models, including a legend.

PAW-280 PAH2 M for PACi

Displays the wiring diagram and legend for PAW-280PAH2M in PACi systems.

PAW-280 PAH2 for PACi

Shows the wiring diagram and legend for PAW-280PAH2 in PACi systems.

Wiring layout - PAH3 M model

Provides the wiring layout for the PAH3M model, including a legend.

Wiring system diagrams

Presents wiring system diagrams for ECOi systems, including recommended wire lengths.

Wiring system diagram - ECO G systems

Shows wiring system diagrams for ECO G systems with recommended wire lengths.

Wiring system diagram - PACi systems and PAH2 generation AHU Kits

Illustrates wiring diagrams for PACi systems and PAH2 generation AHU Kits.

Wiring system diagram - PACi systems and PAH3 generation AHU Kit

Provides wiring diagrams for PACi systems and PAH3 generation AHU Kits.

Wiring system diagram - PACi NX systems and PAH3 generation AHU Kit

Shows wiring diagrams for PACi NX systems and PAH3 generation AHU Kits.

Notes on wiring system diagrams - All systems

Provides notes and explanations for wiring system diagrams and terminal boards.

Loose wiring may cause overheating of terminals resulting in unit malfunction or fire

Warns about potential overheating and fire hazards due to loose wiring.

Connection of external signal lines

Explains how to connect external signal lines to ensure proper AHU fan operation.

Method A: For standard fan control

Details connecting external signal lines for standard fan control on MAH2/PAH2 and PAH3 models.

Blower signal output

Explains the blower signal output for MAH2/PAH2 and PAH3 generation models.

Blower protection input (for MAH2;PAH2 generation models only)

Describes the blower protection input for MAH2/PAH2 models and its importance.

Method B: For multi-step or inverter mode fan control by external BMS

Explains fan control using an external BMS for multi-step or inverter mode.

Electric circuit example including a timer and air flow switch

Illustrates an electric circuit example using a timer and air flow switch for fan control.

Test Run

Test Run

Outlines the procedure for performing a test run after installation and before system operation.

Control

Remote controller

Describes the standard Panasonic wired remote controller integrated with AHU Kit.

Thermostat

Introduces the thermostat feature in advanced MAH2/PAH2 generation models.

Control and display elements

Explains the control and display elements of the TR-16e thermostat.

Operation

Details status messages and how to change the set temperature value on the thermostat.

Changing the set temperature value

Provides step-by-step instructions to adjust the temperature setting on the thermostat.

Changing values in the “Parameter” menu

Guides on how to change control parameters within the thermostat's "Parameter" menu.

Parameter menu

Lists and describes the parameters available in the thermostat's menu for configuration.

Switching from PID mode to ON;OFF mode

Explains how to switch the thermostat from PID control mode to ON/OFF mode.

Auto-Tuning in PID mode

Details the requirements and process for using the Auto-Tuning function in PID mode.

System heat-up to temperatures significantly exceeding the set temperature value

Warns about potential system heat-up during Auto-Tuning and suggests reducing set value.

Switching from “heating mode” to “cooling mode”

Explains how to switch the thermostat from factory default heating mode to cooling mode.

Switching from 0-10 V to 2-10 V output signals

Guides on switching the thermostat's output signal range from 0–10 V to 2–10 V.

Initial Settings

Provides initial settings guidance for the thermostat based on application.

Case 1: Controlling the room supply air temperature

Details how to set the thermostat for controlling room supply air temperature.

Case 2: Adjusting the temperature setpoint based on ambient air temperature

Explains how to adjust the temperature setpoint based on ambient air temperature.

Case 3: 0-10 V demand control by an external BMS (available in medium and advanced version only)

Guides on setting up 0-10 V demand control via BMS using CZ-CAPBC2 PCB.

Error Codes

Lists and explains common error codes displayed by the thermostat.

Maintenance and Service

Provides maintenance and service precautions for the thermostat.

Summary

General information and safety notes

General information

Provides general information about Panasonic AHU Kits and their intended use.

Safety notes

Lists essential safety precautions to prevent harm to persons or damage to products.

Instructions for the safe handling of R32

Details crucial precautions for handling R32 refrigerant due to its flammability.

Calculating the density limit

Explains how to calculate the density limit for installation spaces with R32 refrigerant.

Density limit diagrams

Illustrates the relationship between refrigerant charge and required installation space.

Preventing leakages

Provides essential guidelines to prevent refrigerant leakages during installation and maintenance.

Detecting leaks

Details methods for detecting refrigerant leaks safely and effectively.

Repairing leaks

Outlines the procedure for repairing refrigerant leaks, including brazing and purging.

Warranty policy

Explains the scope of responsibility for AHU Kit quality and performance.

Ventilation theory and air handling units

Purpose of air-conditioning

Explains the goals of air-conditioning for comfort and energy saving potential.

Mechanical ventilation systems

Lists the main components of a mechanical ventilation system.

Air handling units

Describes the main components and types of air handling units.

Air handling unit control by external 0-10 V signal

Illustrates how AHU Kits can be controlled using an external 0–10 V signal.

Product description

General description

Provides an overview of Panasonic AHU Kits, their features, and benefits.

Scope of supply

Details the included components for different AHU Kit versions and product generations.

Control functions provided as standard by integral components

Explains control functions offered by remote controllers, thermostats, and CZ-CAPBC2 units.

PAW-T10 PCB to connect to T10 connector (light and advanced versions only)

Describes the function and terminals of the PAW-T10 PCB for light and advanced versions.

Mounting boards

Shows the layout and components of the MAH2/PAH2 upper and lower mounting boards.

PAH3 Mounting board

Illustrates the layout and components of the PAH3 mounting board.

System lineup

Presents the system lineup for ECOi systems, detailing outdoor unit and AHU Kit combinations.

System Overview

Provides an overview of the ECOi system connection, showing components and their labels.

System example for ECOi single-connection system

Illustrates a single-connection system example for ECOi units.

Multi-connection system

Shows a diagram of a multi-connection system for ECOi units.

System Overview - ECO G systems

Explains system overview for ECO G systems, including single and multi-connection types.

System Overview - PACi and PACi NX systems

Describes system overview for PACi and PACi NX systems, showing single-connection setup.

Technical data

Presents the technical data for AHU Kits, including power, dimensions, and operating ranges.

Installation

Installation of AHU Kit

Provides warnings and instructions for installing the AHU Kit enclosure.

MAH2;PAH2 generation

Details the mounting instructions for the MAH2/PAH2 generation AHU Kit.

PAH3 generation

Details the mounting instructions for the PAH3 generation AHU Kit.

Installation of refrigerant piping

Lists limitations and restrictions for installing refrigerant piping.

Installation of expansion valve

Provides attention notes regarding the wires of the expansion valve.

Installation of thermistors

Advises on protecting thermistor wires and lists installation limitations.

Installation of thermistor on gas pipe

Details the procedure for installing the thermistor on the gas pipe for ECOi/ECO G systems.

Installation of thermistor on liquid pipe

Explains how to install the thermistor on the liquid pipe of the heat exchanger.

Installation of thermistor on heat exchanger pipe middle

Details the installation of the thermistor on the middle of the heat exchanger pipe for PACi/PACi NX.

Installation of thermistor for suction and discharge air stream

Guides on installing thermistors for suction and discharge air streams for various systems.

Matching outdoor unit capacity with AHU Kit capacity - PACi and PACi NX systems

Explains how to match AHU Kit capacity with PACi and PACi NX outdoor units.

Method A: Cutting JP001 to ignore capacity

Describes how to ignore unit capacity by cutting jumper JP001 on the outdoor unit PCB.

Method B: Changing outdoor unit setting to ignore capacity

Explains how to change outdoor unit settings using a wired remote controller to ignore capacity.

Method C: Adapting AHU capacity to PACi outdoor unit capacity

Details how to adapt AHU Kit capacity to match PACi outdoor unit capacity via integrated remote controller.

Electrical Wiring

General precautions on wiring

Provides essential precautions for electrical wiring to avoid hazards.

Connection of wiring to terminals

Instructs on how to connect wiring to the terminals according to wiring diagrams.

Stranded wire

Details the process of preparing and attaching wire-end sleeves to stranded wires.

Shielded wire

Explains how to prepare and insulate shielded wires for proper connection.

Terminal board layout

Shows the terminal layout for the main terminal board of MAH2/PAH2 models.

Terminal layout - PAW-T10 PCB (for advanced and light versions only)

Details the terminal layout and functions for the PAW-T10 PCB.

Terminal layout - CZ-CAPBC2; ACC-SP1 A (for advanced and medium versions only)

Shows the terminal layout for the CZ-CAPBC2 / ACC-SP1A interface.

CZ-CAPBC2 digital input functionality

Explains the functionality settings for CZ-CAPBC2 digital inputs via switch S1.

PAH3 M model

Details the terminal layout for the main terminal board of the PAH3M model.

Wiring layout

Provides the wiring layout for MAH2 models, including a legend.

PAW-160 MAH2 M for ECOi and ECO G

Shows the wiring diagram and legend for PAW-160MAH2M in ECOi and ECO G systems.

PAW-280 MAH2 L for ECOi and ECO G

Displays the wiring diagram and legend for PAW-280MAH2L in ECOi and ECO G systems.

PAW-280 MAH2 M for ECOi and ECO G

Shows the wiring diagram and legend for PAW-280MAH2M in ECOi and ECO G systems.

PAW-280 MAH2 for PACi

Provides the wiring diagram and legend for PAW-280MAH2 in PACi systems.

PAW-560 MAH2 L for ECOi and ECO G

Displays the wiring diagram and legend for PAW-560MAH2L in ECOi and ECO G systems.

PAW-560 MAH2 M for ECOi and ECO G

Shows the wiring diagram and legend for PAW-560MAH2M in ECOi and ECO G systems.

Wiring layout - PAH2 models

Provides the wiring layout for PAH2 models, including a legend.

PAW-280 PAH2 M for PACi

Displays the wiring diagram and legend for PAW-280PAH2M in PACi systems.

PAW-280 PAH2 for PACi

Shows the wiring diagram and legend for PAW-280PAH2 in PACi systems.

Wiring layout - PAH3 M model

Provides the wiring layout for the PAH3M model, including a legend.

Wiring system diagrams

Presents wiring system diagrams for ECOi systems, including recommended wire lengths.

Wiring system diagram - ECO G systems

Shows wiring system diagrams for ECO G systems with recommended wire lengths.

Wiring system diagram - PACi systems and PAH2 generation AHU Kits

Illustrates wiring diagrams for PACi systems and PAH2 generation AHU Kits.

Wiring system diagram - PACi systems and PAH3 generation AHU Kit

Provides wiring diagrams for PACi systems and PAH3 generation AHU Kits.

Wiring system diagram - PACi NX systems and PAH3 generation AHU Kit

Shows wiring diagrams for PACi NX systems and PAH3 generation AHU Kits.

Notes on wiring system diagrams - All systems

Provides notes and explanations for wiring system diagrams and terminal boards.

Loose wiring may cause overheating of terminals resulting in unit malfunction or fire

Warns about potential overheating and fire hazards due to loose wiring.

Connection of external signal lines

Explains how to connect external signal lines to ensure proper AHU fan operation.

Method A: For standard fan control

Details connecting external signal lines for standard fan control on MAH2/PAH2 and PAH3 models.

Blower signal output

Explains the blower signal output for MAH2/PAH2 and PAH3 generation models.

Blower protection input (for MAH2;PAH2 generation models only)

Describes the blower protection input for MAH2/PAH2 models and its importance.

Method B: For multi-step or inverter mode fan control by external BMS

Explains fan control using an external BMS for multi-step or inverter mode.

Electric circuit example including a timer and air flow switch

Illustrates an electric circuit example using a timer and air flow switch for fan control.

Test Run

Test Run

Outlines the procedure for performing a test run after installation and before system operation.

Control

Remote controller

Describes the standard Panasonic wired remote controller integrated with AHU Kit.

Thermostat

Introduces the thermostat feature in advanced MAH2/PAH2 generation models.

Control and display elements

Explains the control and display elements of the TR-16e thermostat.

Operation

Details status messages and how to change the set temperature value on the thermostat.

Changing the set temperature value

Provides step-by-step instructions to adjust the temperature setting on the thermostat.

Changing values in the “Parameter” menu

Guides on how to change control parameters within the thermostat's "Parameter" menu.

Parameter menu

Lists and describes the parameters available in the thermostat's menu for configuration.

Switching from PID mode to ON;OFF mode

Explains how to switch the thermostat from PID control mode to ON/OFF mode.

Auto-Tuning in PID mode

Details the requirements and process for using the Auto-Tuning function in PID mode.

System heat-up to temperatures significantly exceeding the set temperature value

Warns about potential system heat-up during Auto-Tuning and suggests reducing set value.

Switching from “heating mode” to “cooling mode”

Explains how to switch the thermostat from factory default heating mode to cooling mode.

Switching from 0-10 V to 2-10 V output signals

Guides on switching the thermostat's output signal range from 0–10 V to 2–10 V.

Initial Settings

Provides initial settings guidance for the thermostat based on application.

Case 1: Controlling the room supply air temperature

Details how to set the thermostat for controlling room supply air temperature.

Case 2: Adjusting the temperature setpoint based on ambient air temperature

Explains how to adjust the temperature setpoint based on ambient air temperature.

Case 3: 0-10 V demand control by an external BMS (available in medium and advanced version only)

Guides on setting up 0-10 V demand control via BMS using CZ-CAPBC2 PCB.

Error Codes

Lists and explains common error codes displayed by the thermostat.

Maintenance and Service

Provides maintenance and service precautions for the thermostat.

Panasonic PAW-280PAH3M Specifications

General IconGeneral
BrandPanasonic
ModelPAW-280PAH3M
CategoryAir Handlers
LanguageEnglish

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