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General| Brand | Carrier |
|---|---|
| Model | 38QUS021D8S3 Series |
| Category | Air Conditioner |
| Language | English |
General safety rules to prevent injury and damage to people and property.
Guidelines for safe operation and handling of the air conditioning unit.
Safety checks and area preparation before servicing refrigerant systems.
Steps for safely removing and evacuating refrigerant from the system.
Detailed explanation of operating modes and system functions.
Procedure for re-installing indoor units after they require repair.
Indoor unit error codes and their corresponding malfunctions for specific types.
Explanation of error codes displayed by the outdoor unit.
Troubleshooting steps for communication failures between units.
Diagnostic procedure for issues related to indoor fan speed control.
Troubleshooting steps for high-pressure protection issues in the outdoor unit.
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