Bard MEGA-TEC W150A - User Manual

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Summary

SERVICE INSTRUCTIONS

OPERATION

Temperature Control

REFRIGERANT INFORMATION

Safety Practices

Essential safety protocols for refrigerant handling.

R410-A Refrigerant Charge

Details on charging the system with R410-A refrigerant.

TROUBLESHOOTING

Alarm Index

A reference list of alarms and their solutions.

Modbus Troubleshooting for MEGA-TEC

INSTALLATION INSTRUCTIONS

WALL-MOUNT UNIT WIRING

Main Power Wiring

Guidelines for connecting main power wiring.

Unit Control Voltage Wiring

LC6000 CONTROLLER INSTALLATION

Mounting the LC6000 Controller

Communication Wiring

Instructions for connecting communication wiring.

SYSTEM SET UP

Address each wall unit and select unit zone and unit of measure (TEC-EYE)

Addressing units and setting zone/unit of measure via TEC-EYE.

Setting Up LC6000 for Operation

Initial setup steps for the LC6000 controller.

Configure Sensors

Select economizer type for each zone (LC Controller)

SERVICING PROCEDURE

R-410 A LEAK TEST EVACUATION CHARGING

Procedures for leak testing, evacuation, and charging.

EVACUATION

Procedures for system evacuation.

R-410 A System Charging

Specifics on charging R-410A systems.

TROUBLESHOOTING THE MECHANICAL SYSTEM

AIR CONDITIONING AND HEAT PUMP - COOLING

Troubleshooting cooling issues based on pressures.

HEAT PUMP - HEATING

Troubleshooting heating issues based on pressures.

Jobsite Startup and Commissioning Report

Controller and Unit Communication Wiring - Verify the following

Verifying communication wiring between controller and units.

Controller Setup - Verify the following

Bard MEGA-TEC W150A Specifications