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General| Brand | Bard |
|---|---|
| Model | MEGA-TEC W120A |
| Category | Air Conditioner |
| Language | English |
Explains the TEC-EYE tool for diagnostics, settings adjustment, and unit operation verification.
Procedure for turning the wall-mount unit on and off using the TEC-EYE.
Covers acknowledging alarms and clearing alarms and alarm logs.
Step-by-step guide to clearing alarm logs and auto-reset counters.
Explains the function, verification, and adjustment of the return air sensor.
Details EEV components, function, and manual override procedures.
Procedures for manually positioning the EEV for service operations.
Explains the suction pressure transducer, its verification, adjustment, and troubleshooting.
Details how the condenser fan speed adjusts to maintain discharge pressure setpoints.
Discusses three-phase scroll compressor start-up and rotation verification.
Explains the CCM's functions including delay timers and protection features.
Details compressor enablement, delays, and minimum on/off times.
Procedure for disabling the unit via input DI1 and its effect on operation.
Instructions for verifying and updating the unit's serial and model numbers.
General information and safety practices for handling R-410A refrigerant.
Key safety rules for working with R-410A refrigerant and POE oils.
Routine maintenance steps for the air conditioning system.
A list of alarms with references to relevant manual sections for troubleshooting.
Overview of the TEC-EYE display and interface, including key functions.
Steps to set unit address, zone, and unit of measure using the TEC-EYE.
Procedure to execute a self-test on each unit to verify its functionality.
Instructions for configuring installed temperature and humidity sensors for the LC controller.
Configuring economizer operation types (None, Drybulb, TempHum, Enthalpy) for each zone.
Procedures for performing leak tests, evacuation, and charging with R-410A refrigerant.
Guides for troubleshooting cooling and heating cycles based on system pressures.
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