Installing a FUJITSU 19.7 SEER Ducted Mini-Split Heat Pump System correctly is crucial for optimal performance and safety. Here's a general guide; however, always consult the specific instruction manual for your model.
- Instruction Manual Review: Begin by carefully reading the FUJITSU instruction manual. Understand all safety precautions and installation requirements before starting.
- Electrical Code Compliance: Ensure the installation adheres to all local, state, and national electrical codes, including the National Electrical Code (NEC) and Canadian Electrical Code (CEC). This work should be performed by qualified personnel.
- Location Selection: Choose an appropriate location for the outdoor unit, considering weight-bearing capacity, vibration resistance, and airflow. Avoid areas with excessive salt, heat sources, strong winds, or direct sunlight. Consider your neighbors and obtain their approval if necessary.
- Outdoor Unit Installation: Securely mount the outdoor unit on a stable base or raised stand, using anchor bolts to ensure it's level. Maintain sufficient space around the unit for airflow and maintenance.
- Piping Installation: Cut connection pipes to the required lengths using a pipe cutter. Flare the pipes with a flaring tool and connect them to the indoor and outdoor units, tightening flare nuts to the specified torque.
- Sealing and Vacuum Testing: After connecting the pipes, conduct a sealing test with nitrogen gas to identify leaks. Use a vacuum pump to evacuate the refrigerant system of air and moisture. Verify pressure stability and check for leaks.
- Electrical Wiring: Install conduit for the electrical wiring. Connect the inter-unit wire harness and power supply to the terminals, using the correct cables and ensuring proper grounding. Follow the wiring diagrams in the manual and adhere to electrical safety practices.
- Refrigerant Charging: If the piping length exceeds the specified maximum, you may need to add refrigerant. Follow the guidelines in your manual for your specific model and pipe length.
- Gas Leak Inspection: After completing the installation, check all joints for gas leaks with a gas leak detector.
- System Testing and Commissioning: Once the installation is complete, power on the system and test its cooling, heating, airflow, and thermostat control functions. Provide the customer with the operating manual and instructions on system use.
Remember, these are general steps. Always refer to your FUJITSU 19.7 SEER Ducted Mini-Split Heat Pump System's specific instruction manual for detailed, model-specific guidance.