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General| Model | AH1-280B |
|---|---|
| Brand | Haier |
| Category | Fan |
| Number of Speeds | 3 |
| Voltage | 220-240V |
| Frequency | 50Hz |
| Number of Blades | 3 |
| Timer | No |
| Remote Control | No |
| Oscillation | Yes |
| Color | White |
| Power Source | Electric |
| Speed Settings | 3 |
Lists the parts and functions for AHU valve box models AH1-070B, AH1-140B, AH1-280B and AH1-560B, AH1-730B.
Provides important safety considerations, warnings, and attention points for installation.
Guides on refrigerant pipe installation, insulation, and ensuring correct refrigerant type.
Warns about electric shock and fire hazards due to improper electrical construction and wiring.
Configures wired control address and AHU capacity using DIP switches.
Sets AH device addresses and communication with the center controller via DIP switches.
Configures connection kit control methods (Plans A, B, C, D) and anti-cold function via DIP switches.
Lists error codes (E1-E9) for connection kit failures and their corresponding error content.
Troubleshooting steps for sensor faults, including checking resistance and replacing sensors or PCBs.
Troubleshooting steps for EEPROM faults, involving power cycling, reconnections, or PCB replacement.
Troubleshooting steps for communication faults between the connection kit and outdoor units.
Troubleshooting steps for communication faults between the connection kit and wired controller.
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