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Mitsubishi Electric CITY MULTI PUHY-P72-432TNU-A User Manual

Mitsubishi Electric CITY MULTI PUHY-P72-432TNU-A
210 pages
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AIR CONDITIONING SYSTEMS
MODEL
PUHY-P72-432T(S)NU-A (-BS)
PUHY-P72-432Y(S)NU-A (-BS)
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Mitsubishi Electric CITY MULTI PUHY-P72-432TNU-A Specifications

General IconGeneral
SeriesCITY MULTI
Outdoor UnitPUHY-P72-432TNU-A
Voltage208/230V
Phase3
Hertz60Hz
RefrigerantR410A
Cooling Capacity72, 000 BTU/h
Heating Capacity80, 000 BTU/h
Operating Temperature (Cooling)23°F to 115°F
Operating Temperature (Heating)-4°F to 60°F

Summary

1. Specifications

1-1. AHRI 1230-2014 Condition

Specifies cooling and heating performance based on AHRI 1230-2014 standards.

1-2. AHRI 1230-2021 Condition

Details specifications according to AHRI 1230-2021 standards for cooling and heating performance.

2. External Dimensions

PUHY-P72TNU-A(-BS) External Dimensions

Provides detailed dimensions and pipe specifications for the PUHY-P72TNU-A(-BS) model.

PUHY-P96, 120, 144TNU-A(-BS) External Dimensions

Shows external dimensions and pipe specifications for PUHY-P96, 120, 144TNU-A(-BS) models.

PUHY-P168TNU-A(-BS) External Dimensions

Details external dimensions and pipe specifications for the PUHY-P168TNU-A(-BS) model.

PUHY-P192, 216, 240TSNU-A(-BS) External Dimensions

External dimensions and pipe connection details for PUHY-P192, 216, 240TSNU-A(-BS) units.

PUHY-P336, 360, 384, 408, 432TSNU-A(-BS) External Dimensions

External dimensions and pipe connection details for PUHY-P336, 360, 384, 408, 432TSNU-A(-BS) units.

PUHY-P72YNU-A(-BS) External Dimensions

Provides external dimensions and pipe specifications for the PUHY-P72YNU-A(-BS) model.

PUHY-P96, 120, 144YNU-A(-BS) External Dimensions

External dimensions and pipe specifications for PUHY-P96, 120, 144YNU-A(-BS) models.

PUHY-P168YNU-A(-BS) External Dimensions

Details external dimensions and pipe specifications for the PUHY-P168YNU-A(-BS) model.

PUHY-P192, 216, 240YSNU-A(-BS) External Dimensions

External dimensions and pipe connection details for PUHY-P192, 216, 240YSNU-A(-BS) units.

PUHY-P264, 288, 312YSNU-A(-BS) External Dimensions

External dimensions and pipe connection details for PUHY-P264, 288, 312YSNU-A(-BS) units.

PUHY-P336, 360, 384, 408, 432YSNU-A(-BS) External Dimensions

External dimensions and pipe connection details for PUHY-P336, 360, 384, 408, 432YSNU-A(-BS) units.

3. Center of Gravity

PUHY-P72TNU-A(-BS) / PUHY-P72YNU-A(-BS) Center of Gravity

Center of gravity details for PUHY-P72TNU-A(-BS) and PUHY-P72YNU-A(-BS) models.

PUHY-P96, 120, 144TNU-A(-BS) / PUHY-P96, 120, 144YNU-A(-BS) Center of Gravity

Center of gravity details for PUHY-P96, 120, 144TNU-A(-BS) and YNU-A(-BS) models.

PUHY-P168TNU-A(-BS) / PUHY-P168YNU-A(-BS) Center of Gravity

Center of gravity details for PUHY-P168TNU-A(-BS) and PUHY-P168YNU-A(-BS) models.

4. Electrical Wiring Diagrams

PUHY-P72TNU-A(-BS) Electrical Wiring

Electrical wiring diagram for the PUHY-P72TNU-A(-BS) outdoor unit.

PUHY-P96, 120, 144TNU-A(-BS) Electrical Wiring

Electrical wiring diagrams for PUHY-P96, 120, 144TNU-A(-BS) models.

PUHY-P168TNU-A(-BS) Electrical Wiring

Electrical wiring diagram for the PUHY-P168TNU-A(-BS) outdoor unit.

PUHY-P72YNU-A(-BS) Electrical Wiring

Electrical wiring diagram for the PUHY-P72YNU-A(-BS) outdoor unit.

PUHY-P96, 120, 144YNU-A(-BS) Electrical Wiring

Electrical wiring diagrams for PUHY-P96, 120, 144YNU-A(-BS) models.

5. Sound Levels

5-1. Sound Levels in Cooling Mode

Presents sound power levels in cooling mode across different octave bands for various models.

5-2. Sound Levels in Heating Mode

Shows sound power levels in heating mode across different octave bands for various models.

6. Vibration Level

7. Operation Temperature Range

8. Capacity Tables

8-1. Selection of Cooling/Heating Units

Guide on selecting indoor and outdoor units based on load and temperature conditions.

8-2. Correction by Temperature

Provides charts for indoor and outdoor unit temperature correction factors for capacity and power input.

8-3. Correction by Total Indoor Capacity

Illustrates capacity and input ratios based on the total capacity of connected indoor units.

8-4. Correction by Refrigerant Piping Length

Correction factors for cooling capacity based on piping length for various models.

8-4-1. Cooling Capacity Correction

Graphs showing cooling capacity correction factors based on piping equivalent length.

8-4-2. Heating Capacity Correction

Graphs showing heating capacity correction factors based on piping equivalent length.

8-4-3. How to Obtain Equivalent Piping Length

Explains how to calculate equivalent piping length for refrigerant pipe systems.

8-5. Correction at Frost and Defrost

Provides correction factors for heating capacity based on frost and defrost conditions.

8-6. Correction at Evaporation-Temperature (ET) Control

Offers correction factors for capacity and power input based on evaporation temperature control.

9. Optional Parts

9-1. Joint Sets

Details dimensions and specifications for various joint sets used for refrigerant pipe connections.

9-2. Header Sets

Provides dimensions and specifications for header sets used to connect multiple refrigerant pipes.

9-3. Outdoor Twinning Kit

Information on optional twinning kits for combining multiple outdoor refrigerant pipes.

10. Electrical Work

10-1. General Cautions

General safety and regulatory precautions for electrical work and wiring.

10-2. Power Supply for Outdoor Unit

Electrical characteristics of outdoor units, including voltage, MCA, MOP, and compressor/fan outputs.

10-3. Power Cable Specifications

Specifications for power cables, switches, and breakers for safe electrical connections.

10-4. Power Supply Examples

Illustrates typical power supply wiring configurations for various system setups.

11. M-NET Control

11-1. Transmission Cable Length Limitation

Specifies maximum transmission cable lengths for MA and ME remote controllers for proper signal transmission.

11-2. Transmission Cable Specifications

Details types, sizes, and maximum lengths for M-NET transmission cables and remote controller cables.

11-3. System Configuration Restrictions

Outlines restrictions on indoor unit quantities, remote controllers, and system controllers for CITY MULTI.

11-4. Address Setting

Rules and procedures for setting unit addresses and system configurations.

11-4-3. System Examples

Provides diagrams illustrating common system configurations with MA remote controllers.

11. M-NET Control

11-4-3. System Examples

Illustrates various system configurations for MA remote controllers with different outdoor unit setups.

11-4-3-3. MA Remote Controller, Multi-Refrigerant-System, System Controller at TB7/TB3 side, Booster for long M-NET wiring

Shows a system example with multiple outdoor units, system controllers, and booster for long M-NET wiring.

11-4-3-4. ME Remote Controller, Single-Refrigerant-System, No System Controller

Illustrates a system configuration with ME remote controllers and no system controller.

11-4-3-5. ME Remote Controller, Single-Refrigerant-System, System Controller, LOSSNAY

Shows a system with ME remote controllers, a system controller, and LOSSNAY.

11-4-3-6. ME Remote Controller, Multi-Refrigerant-System, System Controller at TB7 side, LOSSNAY, Booster for long M-NET wiring

Depicts a system with ME remote controllers, system controller, LOSSNAY, and booster for long M-NET wiring.

11-4-3-7. AE-200A + AE-50A, EW-50A System Example

System example for AE-200A/AE-50A/EW-50A controlling multiple indoor units and equipment.

11-4-3-8. BACnet® System Example

Illustrates a system example using BACnet® connectivity with EW-50A controllers.

12. Piping Design

12-1. R410A Piping Material

Specifies types and sizes of copper pipes required for R410A refrigerant systems.

12-2. Piping Design

Outlines rules and criteria for selecting piping sizes based on capacity and length.

12-3. Refrigerant Charging Calculation

Details the calculation method for additional refrigerant charge based on piping length and unit size.

13. Outdoor Installation

13-1. General Requirements for Installation

Outlines general requirements for selecting installation sites and ensuring unit safety.

13-3-2. Spacing Requirements

Specifies minimum required spacing around outdoor units for airflow and service access.

13-3-3. Anchor Bolt Positions

Details anchor bolt positions and requirements for securing units against wind and earthquakes.

13-3-4. Installation Procedures

Instructions for installing units, including routing pipes and cables at the bottom.

13-3-5. Refrigerant Pipe Routing

Guidance on routing refrigerant pipes, including precautions for traps and connections.

13-3-6. Twinning on the Outdoor Unit Side

Instructions on twinning pipes for outdoor units, including tilt angles and straight pipe lengths.

13-3-7. Twinning Configurations

Illustrates pipe connections for 2-unit and 3-unit combinations using twinning kits.

13-4. Weather Countermeasures

Recommends measures against wind and snow damage, including snow hoods and inlet/outlet positioning.

13-5. Countermeasure to Wind

Provides guidance on selecting installation sites to minimize wind effects and ensure proper operation.

13-6. Precautions for Installing a Panel Heater

Advises on installing panel heaters for drain water freeze protection and maintenance space.

13-7. Caution on Selecting Outdoor Units

Highlights potential issues like warm air flow and noise, recommending dealer consultation for Y-Series.

1. Installation Information

1-1. General Precautions

Covers usage, environmental considerations, backup systems, and unit characteristics.

1-1-2. Installation Environment

Specifies suitable installation environments, avoiding voltage fluctuations, corrosive gases, and ensuring stable foundations.

1-1-4. Unit Characteristics

Details unit performance based on outdoor temperature, frost formation, warm-up time, and noise.

1-1-6. Unit Installation

Emphasizes the need for qualified technicians and proper installation to prevent issues like leakage or fire.

1-1-8. Operation and Maintenance

Stresses reading instruction books and consulting professionals for safe operation and maintenance.

1-2. Precautions for Indoor Unit and BC Controller

Covers operating environment, unit characteristics, installation procedures, and noise levels for indoor units.

1-2-1. Operating Environment (Indoor)

Discusses refrigerant properties, condensation, and drain path maintenance for indoor units.

1-2-3. Unit Installation (Indoor)

Details insulation requirements, pipe headers, and fresh air intake installations for indoor units.

1-3. Precautions for Outdoor Unit/Heat Source Unit

Covers installation environment, circulating water, unit characteristics, related equipment, and noise for outdoor units.

1-3-1. Installation Environment (Outdoor)

Guidelines for selecting outdoor unit locations, considering salt air, airflow obstruction, drainage, and snow.

1-4. Precautions for Control-Related Items

Covers product specifications, installation environment, and cautions for control devices.

1-4-1. Product Specification

Information on MELANS system, billing calculation, and controller operation requirements.

CAUTION FOR REFRIGERANT LEAKAGE

1. Caution for Refrigerant Leakage

General safety instructions regarding refrigerant leakage, properties, and critical concentrations.

1-2. Confirm Critical Concentration and Take Countermeasures

Guides on calculating maximum refrigerant leakage concentration and implementing countermeasures.

1-2-4. Rmax Over 0.44kg/m³ Countermeasures

Checks if Rmax exceeds the safe limit of 0.44kg/m³ and recommends countermeasures if it does.

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