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amandapachecoAug 29, 2025
What to do if there is poor ductwork/grill design for my Bosch CL Heat Pump?
- NNancy SimsAug 29, 2025
Ensure the ductwork and grills are properly sized for the unit air flow.
What to do if there is poor ductwork/grill design for my Bosch CL Heat Pump?
Ensure the ductwork and grills are properly sized for the unit air flow.
How to check refrigerant level in Bosch CL Heat Pump when compressor doesn't operate but fan runs because of freezer fault?
If the compressor isn't running but the fan is, and you suspect a freeze fault due to low refrigerant, check the refrigerant pressure with a gauge set.
Why is the compressor not running, but the fan is on my Bosch CL, and the water temperature is low?
If the compressor isn't running but the fan is, and you suspect a freeze fault due to low water temperature, check the water temperature to ensure it's not below 40°F upon entering.
What to do if the compressor of my Bosch CL doesn't operate, the fan runs and there is a freeze fault in the water coil?
If the compressor isn't running but the fan is, and you suspect a freeze fault in the water coil due to no or low water flow, check the water valves and/or pumps for proper operation and inspect the water coil for blockages.
How to check refrigerant level in Bosch CL Heat Pump when compressor doesn't operate but fan runs?
If the compressor isn't running but the fan is, and you suspect a low-pressure fault due to low refrigerant, check the refrigerant pressure using a gauge set.
Why is the compressor not running but the fan is on my Bosch Heat Pump, and there's low airflow?
If the compressor isn't running but the fan is, and you suspect a high-pressure or low-pressure fault due to no or low air flow, check the fan motor for proper operation.
What to do if the compressor of my Bosch CL doesn't operate, but the fan runs and the water coil is scaled?
If the compressor isn't running but the fan is, and you suspect a high-pressure fault due to a fouled or scaled water coil, check for proper flow rate and water temperature. Look for a low-water-side temperature rise during cooling.
Covers critical safety instructions for installation, servicing, and handling of refrigerants.
Explains signal words, icons, and notices used for risk communication.
Details the structure and meaning of each character in the model number.
Overview of CL Series heat pumps, their applications, and certifications.
Specifies environmental, power, and operating limits for the units.
Lists compatible supplementary electric heater kits for various models.
Guidelines for moving, storing, initial inspection, and unpacking units.
Criteria for selecting a suitable indoor installation location.
Instructions for mounting vertical and horizontal units, including air orientation.
Details on connecting condensate drains, water piping, and duct systems.
Guidance on high-voltage, low-voltage wiring, and ECM interface board.
Configuring units for well water, cooling tower, and geothermal systems.
Ensuring proper water quality for heat pump operation and longevity.
Acceptable water characteristic values for copper and cupro-nickel heat exchangers.
Performing essential checks before energizing the unit and verifying compressor rotation.
Step-by-step guide for initiating unit operation in cooling and heating modes.
Recording system vitals and completing the checkout sheet.
Overview of the Unit Protection Module and its safety monitoring capabilities.
Explanation of fault codes, DIP switch settings, and operational logic.
Details on internal water valves, economizers, and hot gas reheat functionalities.
Information on boilerless heat control and the function of the option card.
Description and performance data for PSC, CT, and CA fan motor options.
Guidelines for filter changes, annual checkups, and drain cleaning.
Procedures for safe servicing, repairs, and handling of refrigerants.
Information on accessing electrical boxes and blower assemblies for service.
Guidelines for protecting the environment during decommissioning.
Steps for safe decommissioning and proper equipment labeling.
Guides for diagnosing and resolving common unit and option card issues.
Comprehensive tables for operating conditions, pressure drops, and dimensions.
Technical specifications for compressor winding resistance and capacitors.
Wiring diagrams for single-phase units with PSC, CT, and CA motors.
Wiring diagrams for three-phase units with PSC, CT, and CA motors.
Detailed dimensions and cabinet option sizes for vertical units.
Detailed dimensions and cabinet option sizes for horizontal units.
Required clearances for blower, compressor, and electrical access.
Glossary of common acronyms and technical terms used in the manual.
Template for recording unit nameplate and operating data during checkout.
General notes and disclaimers regarding product specifications and changes.
General