Introduction to Service Instructions
This document provides essential service instructions for contractors regarding the configuration and diagnosis of Viessmann One Base heat pumps. It details various control parameters and troubleshooting measures necessary for optimal operation.
Scope of Functions
These instructions cover the following for Viessmann heat pumps with the One Base control platform:
- Control parameters for adapting the heat pump to diverse requirements and operating conditions.
- Troubleshooting measures for efficient problem resolution.
Additional information for specific heat pump models can be found in supplementary documents.
Heat Pump Models Covered
The manual details parameters and operations for various Viessmann Vitocal heat pump models, including:
- Vitocal 150-A
- Vitocal 151-A
- Vitocal 200-S
- Vitocal 222-S
- Vitocal 250-A
- Vitocal 250-AH
- Vitocal 250-SH
- Vitocal 252-A
Parameter Settings and Troubleshooting
Guidance is provided on setting various operational parameters, including those related to heating, cooling, domestic hot water (DHW) heating, and screed drying. The document also outlines how to interpret and address fault and warning messages displayed on the HMI programming unit or via the ViGuide interfaces.
For detailed system examples and connection diagrams, refer to www.viessmann-schemes.com.