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General| Brand | Trane |
|---|---|
| Model | RAUJ-D12 |
| Category | Air Conditioner |
| Language | English |
Highlights hazards associated with improper field wiring and grounding, emphasizing qualified personnel.
Mandates the use of appropriate PPE to protect against electrical, mechanical, and chemical hazards.
Warns about R-410A operating at higher pressures than R-22 and the need for specific equipment.
Provides detailed technical specifications for RAUJ condensing units, including compressor, fan, and coil data.
Specifies minimum clearances required for unit installation, service, and optimal efficiency.
Details the process for leveling the unit and safe practices for rigging and lifting.
Explains the selection and installation of neoprene isolators for 20-60 ton units.
Details the selection and installation of spring isolators for 20-120 ton units.
Outlines essential requirements and recommended components for refrigerant piping installation.
Details necessary components and installation steps for the suction line, including filters and valves.
Details necessary components and installation steps for the liquid line, including filters and sight glasses.
Provides guidance and tables for selecting appropriate TXVs based on unit size and coil type.
Critical safety warnings regarding refrigerant handling, high pressure, and compressor damage.
Guidelines for proper suction line sizing, routing, slope, and insulation.
Guidelines for proper liquid line sizing, routing, slope, and insulation.
Outlines the steps for making final refrigerant pipe connections, including pressure checks.
Provides essential techniques and safety warnings for brazing refrigerant piping to prevent hazards.
Details the steps and safety precautions for leak testing the refrigerant system.
Lists requirements for installing EVP chilled water piping, including components and guidelines.
Specifies requirements for installing main power supply wiring, including grounding and protection.
Emphasizes safety and the requirement for copper conductors in field-installed power wiring.
Reinforces hazardous voltage warnings and guidance on sizing power wiring and protection devices.
Provides guidance on sizing power wires and selecting protection devices based on unit data.
Reinforces hazardous voltage warnings and safety procedures for field-installed control wiring.
Reinforces hazardous voltage warnings for 24 VAC control wiring.
Explains the EVP chiller control system, including remote panel functions and components.
Provides a checklist of procedures to ensure unit readiness, including electrical safety.
Outlines critical steps for evacuating the refrigeration system and performing a vacuum test.
Step-by-step procedure for checking out the W7100A discharge air controller.
Procedure for checking the discharge air sensor's resistance and temperature conversion.
Checkout procedure for the W7100G chilled water controller.
Checkout procedure for the Master Energy Controller (MEC) on 20-60 ton units.
Checkout procedure for the Zone Thermostat and its voltage output ramps.
Instructions for verifying and correcting electrical phasing to ensure correct motor rotation.
Instructions for adjusting low ambient dampers, including factory and field settings.
Procedures to check and correct supply fan rotation direction for safe operation.
Describes methods for measuring system airflow using motor amperage and static pressure.
A critical warning about potential coil damage when drilling for airflow measurement.
Provides guidelines and manufacturer settings for adjusting expansion valves for proper superheat.
Details the steps for adding the preliminary refrigerant charge after leak checks and evacuation.
Detailed steps for starting compressors, including initial charge, safety checks, and ambient conditions.
Covers verifying correct compressor rotation and understanding phase protection modules.
Warns about compressor damage from backward rotation and the importance of crankcase heaters.
Details system charging steps, including measuring subcooling and superheat.
Final checks after operation, including oil levels, pressures, and recording maintenance log data.
Provides steps to diagnose and correct backward motor rotation for fans and compressors.
Details final checks after pre-start and start-up, including programming and panel security.
Critical safety warnings for handling R-410A refrigerant under high pressure during evacuation and charging.
Details steps for replacing compressors, including oil management and safety precautions.
Emphasizes correct electrical phasing to prevent compressor damage and reduce life.
Details the importance and location of fall restraint slots on the unit top for servicing safety.
