Johnson Controls YVAHR144B42S User Manual

P5417009
Models:
Outdoor Units;
208/230V
(H,Y)VAHR072B32S, (H,Y)VAHR096B32S,
(H,Y)VAHR120B32S, (H,Y)VAHR144B32S,
(H,Y)VAHR168B32S, (H,Y)VAHR192B32S,
(H,Y)VAHR216B32S, (H,Y)VAHR240B32S,
(H,Y)VAHR264B32S, (H,Y)VAHR288B32S,
(H,Y)VAHR312B32S, (H,Y)VAHR336B32S,
(H,Y)VAHR360B32S, (H,Y)VAHR384B32S,
(H,Y)VAHR408B32S, (H,Y)VAHR432B32S
460V
(H,Y)VAHR072B42S, (H,Y)VAHR096B42S,
(H,Y)VAHR120B42S, (H,Y)VAHR144B42S,
(H,Y)VAHR168B42S, (H,Y)VAHR192B42S,
(H,Y)VAHR216B42S, (H,Y)VAHR240B42S,
(H,Y)VAHR264B42S, (H,Y)VAHR288B42S,
(H,Y)VAHR312B42S, (H,Y)VAHR336B42S,
(H,Y)VAHR360B42S, (H,Y)VAHR384B42S,
(H,Y)VAHR408B42S, (H,Y)VAHR432B42S
IMPORTANT:
READ AND UNDERSTAND
THIS MANUAL BEFORE
INSTALLING THIS HEAT
RECOVERY AIR CONDITIONER.
KEEP THIS MANUAL FOR
FUTURE REFERENCE.
Installation
and
Maintenance
Manual
INVERTER-DRIVEN
MULTI-SPLIT SYSTEM
HEAT RECOVERY
AIR CONDITIONERS

Johnson Controls YVAHR144B42S Specifications

General

Model	YVAHR144B42S
Category	Air Conditioner
Cooling Capacity	144, 000 BTU/h
Refrigerant	R-410A
Power Supply	460V/3Ph/60Hz

Summary

Important Safety Instructions

General Installation Precautions

Installation Precautions

Specific precautions for unit installation locations and methods.

Refrigerant Handling Precautions

Critical safety measures related to refrigerant handling and system pressure.

Electrical Work Precautions

Safety measures for electrical wiring and connections.

Outdoor Unit Installation Cautions

Outdoor Unit Installation Guide

Installation Location and Precautions

Site selection and precautions for outdoor unit placement.

Installation Work Procedures

Concrete Foundations Requirements

Refrigerant Piping Work Procedures

Brazing Work Best Practices

Piping Connection Work Precautions

Piping Connection Work Steps

Stop Valve Handling and Tightening

Detailed Piping Connection Method

Detailed method for connecting refrigerant pipes.

Piping Work Between Outdoor Units

Pipe Size and Multi-Kit Selection Guide

Electrical Wiring Information

Outdoor Unit Electrical Wiring Procedures

Specific instructions for outdoor unit wiring.

Electrical Wiring Connection Procedures

Procedures for connecting electrical wiring between units.

Electrical Characteristics and Wiring Sizes

Electrical characteristics and recommended wiring sizes.

Wiring Connections for All System Components

DIP Switch Settings for Outdoor Unit

Additional Refrigerant Charge Procedures

Airtight Test Procedures

Procedure for testing the system for leaks.

System Vacuuming Process

Steps for evacuating the system before charging.

Refrigerant Charging Work Steps

Procedure for charging the system with refrigerant.

Additional Refrigerant Charge Calculation Method

Method for calculating additional refrigerant based on piping and capacity.

Test Run Procedures

Before Test Run Preparations

Test Run from Outdoor Unit Side

Safety and Control Device Settings