To Next PageTo Next Page
Need help?Do you have a question about the Hitachi RAS-E10H2 and is the answer not in the manual?
General| Brand | Hitachi |
|---|---|
| Model | RAS-E10H2 |
| Category | Air Conditioner |
| Language | English |
Step-by-step instructions for setting various timer functions.
Guidelines for regular cleaning and upkeep of the air conditioner.
Instructions and conditions for effective heating operation.
Instructions and conditions for effective dehumidifying operation.
Instructions and conditions for effective cooling operation.
How to use the unit as a fan for air circulation.
How the reset circuit initializes the microcomputer program on power cycle.
How the receiver circuit processes signals from the remote controller.
Explanation of the buzzer circuit's sound generation mechanism.
How the auto sweep motor controls air deflector movement.
How the microcomputer sets initial values upon power supply.
How power is supplied to various unit components.
How the fan motor speed is controlled.
Details on the power circuit converting AC to DC for various functions.
How indoor and outdoor units communicate via an interface circuit.
Operation of the Intelligent Power Module circuit.
Details on the drive circuits for unit components.
Specific power circuit details for the printed wiring board.
Circuits connected to the microcomputer for its operation.
Circuit that protects against excessive peak currents.
Circuit that manages overload conditions to protect components.
Detailed explanation of the reset circuit's operation.
Detailed explanation of temperature detection circuits.
Detailed explanation of the reversing valve control circuit.
Detailed explanation of the electric expansion valve control circuit.
Detailed explanation of the outdoor DC fan motor control circuit.
Detailed description of the peak current cutoff circuit.
Detailed description of the overload control circuit.
Detailed explanation of the reset circuit's operation.
Detailed explanation of temperature detection circuits.
Detailed explanation of the reversing valve control circuit.
Detailed explanation of the electric expansion valve control circuit.
Detailed explanation of the outdoor DC fan motor control circuit.
Important safety precautions before performing checks.
Interpreting blinking patterns of the timer lamp for fault diagnosis.
Troubleshooting steps if the indoor fan does not operate.
Troubleshooting steps if the air deflector does not move.
Checking the power circuit of the control Printed Wiring Board.
How to operate the outdoor unit using the service switch.
Procedure for operating the outdoor unit independently.
Steps for removing the front panel of the indoor unit.
Steps for removing the front cover of the indoor unit.
Procedure for removing the control and indicating PWB.
Steps for removing the fan and fan motor assembly.
Steps for removing electrical parts from the outdoor unit.
