Bosch Heat Pump CA018

Complete the check-out sheet on page 44

Record the performance measurements

Enter the current measurement in amps

Enter the water temperature difference for heating

Enter the water temperature difference for cooling

Compare recorded data to unit’s data plate and original startup data

Is the recorded data within acceptable ranges?

WARNING: Personal injury hazard!

Acknowledge understanding of personal injury hazard warning

Turn OFF main power to the unit before performing service or maintenance operations

Ensure the environment is not under construction

Remove the filter from the unit

Inspect the filter for any visible damage

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

Check for potential causes of lockouts

Are there continual lockouts occurring?

Call a mechanic if continual lockouts occur

Record observations from pressure and temperature charts

Ensure only trained and qualified personnel perform the service

Is the main power to the unit turned OFF?

Remove the filter from the unit

Is the filter free from lint and dust?

Reinstall the filter into the unit