To Next PageTo Next Page
Need help?Do you have a question about the Carrier 50HC Series and is the answer not in the manual?
General| Brand | Carrier |
|---|---|
| Model | 50HC Series |
| Category | Air Conditioner |
| Language | English |
Explains DANGER, WARNING, and CAUTION signal words.
Provides general information on unit arrangement and access locations.
Tasks for quarterly inspection and initial start-up.
Tasks to be checked at the beginning of each season.
Maintenance items for air conditioning components.
Maintenance for economizer or outside air damper components.
Details on periodic replacement or cleaning of air filters and screens.
Details about the direct-drive supply fan, including ECM motor.
Steps and checks for troubleshooting the X13 ECM motor.
Detailed steps for replacing the X-13 ECM motor assembly.
Information on checking belt condition, tension, and adjustment.
Step-by-step procedure for replacing the V-belt.
Procedures for changing fan speed by adjusting pulleys.
How the SAV system adjusts fan speed for ventilation, cooling, and heating.
Step-by-step procedure for replacing a belt-driven motor.
Recommendations for routine cleaning of condenser coils.
Explanation of how the TXV operates to control refrigerant flow.
Step-by-step procedure for replacing the TXV.
Location and description of refrigerant system access ports.
Information on where to find refrigerant charge amount and unit panel requirements.
Using cooling charging charts and sub-cooling for charging.
Instructions on how to use cooling charging charts.
How to determine and ensure correct compressor rotation direction.
Instructions for installing a weatherproof cover for convenience outlets.
Details for non-powered and unit-powered convenience outlets.
Overview of the smoke detector system and its primary function.
Description of the smoke detector controller components and LEDs.
Description of the smoke detector sensor, its components, and operation.
Steps to complete the installation of the return air smoke detector.
Explains detector wiring and shutdown response.
Checks the sensor's ability to signal an alarm state using a test magnet.
Checks the controller's ability to initiate and indicate an alarm state.
Indicates sensor's ability to compensate for environmental changes (dirtiness).
Checks the test/reset station's ability to initiate and indicate an alarm state.
Instructions for cleaning the duct smoke sensor.
Explains the normal and alarm state indicators for the smoke detector.
Procedure for resetting alarm and trouble conditions.
Checks for causes when controller LEDs indicate issues.
Checks for causes when sensor LEDs indicate issues.
Details on compressor protection mechanisms.
Explanation of evaporator freeze protection.
Information on indoor fan motor protection devices.
Overview of the RTU-Open controller and its capabilities.
Summary and troubleshooting of EconoMi$er IV sensors.
How outdoor dry bulb temperature controls economizer operation.
Control mode using differential dry bulb sensors.
Control mode using outdoor enthalpy for economizer operation.
Control mode using differential enthalpy sensors for economizer.
Using IAQ sensor for demand control ventilation.
Considerations for DCV when selecting equipment.
Procedures for checking DCV functions and positions.
Ensures unit is installed correctly per instructions and codes.
Inspecting field-installed accessories and RTU-OPEN alarms.
Determining correct compressor rotation direction.
Steps for starting the unit in cooling mode.
Refers to PremierLink setup and configuration instructions.
Steps for performing a system check-out.
Refers to RTU-Open controller setup and configuration manuals.
Information on X13 multi-speed/torque motor performance.
