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General| Brand | Hitachi |
|---|---|
| Model | RAS-1.0PNNBDH1 |
| Category | Air Conditioner |
| Language | English |
Essential safety measures for installation and operation, covering power, base, wiring, and refrigerant.
Details on grounding, gas leak prevention, wiring safety, appliance usage, and servicing requirements.
Illustrates the path of refrigerant through the indoor and outdoor units during operation.
Shows power supply and control signal connections between indoor and outdoor units.
Guidelines for safely moving and handling the unit prior to installation, including lifting methods.
Criteria for choosing the optimal site for the outdoor unit, avoiding environmental factors and interference.
Procedure for installing the drainage elbow and hose to manage condensate water during heating operation.
Steps for securely mounting the outdoor unit onto a foundation, ensuring stability and proper leveling.
Details on pipe diameter, length, height difference, additional refrigerant charge, and material requirements.
Steps for cutting, deburring, flaring, and checking copper pipes for refrigerant connections.
Procedure for connecting indoor and outdoor unit piping, including tightening torque and lubrication.
Procedure for checking the refrigerant circuit for leaks using nitrogen gas and leak detectors.
Steps for evacuating the system and charging the correct amount of refrigerant.
Formula and guidelines for calculating and adding extra refrigerant based on pipe length.
Detailed steps for connecting power supply and transmitting cables for different HP models.
Verification of electrical components, power supply voltage, capacity, and earth connection before wiring.
Specifications for power supply, cable sizes, circuit breakers, and ELB selection.
Steps for performing a trial run, including preheating, checks, and post-run actions.
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