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General| Brand | Mitsubishi |
|---|---|
| Model | PUHZ-RP250YHM-A |
| Category | Air Conditioner |
| Language | English |
Essential safety checks before commencing installation and electrical work.
Specific safety measures required when working with R410A refrigerant systems.
General instructions and requirements for the physical installation of the outdoor unit.
Importance of correct refrigerant charge levels for proper system operation and preventing shutdowns.
Mandates vacuum pump evacuation over refrigerant purging for system integrity.
Crucial step-by-step procedure for connecting refrigerant piping safely and effectively.
Specifies the correct brazing method to prevent compressor damage and ensure system longevity.
Warns against using incorrect anti-oxidizing agents that can harm the system.
Detailed steps and safety measures for connecting refrigerant pipes and operating valves.
Critical instruction to fully open valves after evacuation/charging to prevent system damage.
Process for charging additional refrigerant after piping connections are made.
Final step to ensure the service port is sealed properly to prevent refrigerant leaks.
Procedures for performing an airtightness test on the refrigerant circuit.
Step-by-step instructions for conducting the airtight test.
Process for evacuating the system using a vacuum pump to remove air and moisture.
Reinforces the rule against using refrigerant for air purging.
Important safety and regulatory guidelines for electrical wiring.
Guidance on main power supply wiring, circuit breakers, and system capacity.
Critical warnings regarding secure wiring connections and proper overcurrent protection.
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