Bosch Heat Pump CA009

Check for water temperature problems

Check for air temperature problems

Use pressure and temperature charts to determine the cause

If continual lockouts occur, call a mechanic immediately

Ensure electrical components are fit for purpose and to the correct specification

Follow manufacturer's maintenance and service guidelines

Consult Bosch service and support if in doubt

Verify refrigerant charge is appropriate for room size

Check ventilation machinery and outlets for adequate operation and obstructions

Inspect secondary circuit for presence of refrigerant if using an indirect refrigerating circuit

Equipment Markings and Installation

Record the current (amps) measurement

Record the water temperature difference for heating

Record the water temperature difference for cooling

Complete the check-out sheet on page 44

Was the check-up performed by a trained and qualified HVAC mechanic?

Ensure that capacitors are discharged safely to avoid sparking.

Ensure no live-electrical components and wiring are exposed during system operations.

Ensure continuity of earth bonding.

Is there a fault that could compromise safety?

If a fault exists, has the electrical supply been disconnected?

If the fault cannot be corrected immediately, has a temporary solution been implemented?

Describe the temporary solution used, if applicable.

Ensure only trained and qualified personnel perform the service

Is the main power to the unit turned OFF?

Remove the filter from the unit

Reinstall the filter into the unit

Is the filter properly installed?