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Viessmann VITOCAL 150-A User Manual

Viessmann VITOCAL 150-A
60 pages
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Operating instructions
for the system user
VIESMANN
Heat pump control unit with 7" touch display
VITOCAL 150-A
VITOCAL 151-A
6171827 GB 11/2021
Please keep safe.

Table of Contents

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Viessmann VITOCAL 150-A Specifications

General IconGeneral
RefrigerantR32
TypeAir Source Heat Pump
ApplicationHeating and Cooling
Energy Efficiency ClassA+++
Sound Power Level (Outdoor Unit)49 - 62 dB(A) (depending on model)
Operating Temperature Range (Heating)-20°C to +35°C
Operating Temperature Range (Cooling)+10°C to +46°C
Dimensions (Outdoor Unit)950 x 370 x 950 mm
Weight (Outdoor Unit)120 - 180 kg

Summary

Safety Instructions - General and System Operation

For Your Safety

Follow safety instructions to prevent accidents and material losses.

Safety Precautions for System Operation

Outlines hazards of flammable refrigerant and defines safety zones.

Working in the Safety Zone

Details explosion risks from refrigerant and necessary preventative measures.

Safety Instructions - Installation, Electrical, and Component Safety

System Connection and Electrical Safety

Emphasizes authorized contractors for connection and warns about electrical work hazards.

Safety Instructions - Operational and Emergency Procedures

Refrigerant Escape Procedures

Details dangers of escaping refrigerant and immediate actions, including asphyxiation risk.

Fire Safety Precautions

Outlines risks of fire, burns, and explosion, and necessary safety actions.

Safety Instructions - Installation Environment

Indoor Unit Placement Safety

Warns against storing flammable liquids near the indoor unit due to fire risk.

Safety and Liability - Outdoor Unit Safety Zone

Outdoor Unit Safety Zone Definition

Defines the safety zone around the outdoor unit due to flammable refrigerant.

Introductory Information - Symbols and Usage

Introductory Information - Product and Control

Heat Pump Control Unit Features

Details the touchscreen control unit, its integration, and communication capabilities.

System Setup and Energy Saving

Energy Saving Tips for Heating

Offers advice on reducing energy consumption for room heating and DHW.

Operation - Control Interface

Touchscreen Operation Principles

Explains how to use the touchscreen for system adjustments and information input.

Operation - Navigation and Symbols

Menu Bar Controls and Functions

Explains the buttons and functions available in the menu bar for navigation and selection.

Operation - System Navigation

Accessing the Main Menu

Details how to call up and navigate the main menu for system settings and information.

Operation - Programs and Scheduling

Core Operating Programs

Explains the "Heating", "Cooling", and "Standby" operating programs for circuits and DHW.

Setting Time Programs

Introduces the procedure for setting time programs for heating, cooling, and DHW.

Operation - Time Program Configuration

Time Programs and Phases Explained

Explains how to divide the day into time phases for controlling heating/cooling and DHW.

Step-by-Step Time Phase Setup

Guides users through setting time phases for room heating/cooling, including start/end times.

Operation - Time Program Management

Modifying Time Phase Settings

Details how to change start/end times and temperature levels for existing time phases.

Default Display Screens

Indoor Environment Display Controls

Explains how to adjust room heating/cooling settings and check system status.

Room Heating and Cooling Control

Setting Room Temperatures

Explains how to set standard, reduced, and comfort room temperatures.

Activating Heating/Cooling Programs

Details how to select operating programs for heating, cooling, or standby modes.

Heating and Cooling Scheduling

Room Heating/Cooling Time Programs

Explains how to set time programs for heating or cooling based on daily time phases.

Adjusting the Heating Curve

Guides users on adjusting the heating curve (slope and level) for optimal room heating.

Extended Absence and Holiday Settings

"Holiday Program" for Energy Saving

Introduces the "Holiday program" for saving energy during long periods of absence.

Holiday Program Management

Activating the Holiday Program

Guides users on activating the "Holiday program" to save energy during absence.

Deactivating the Holiday Program

Provides instructions for switching off the "Holiday program".

Domestic Hot Water (DHW) Heating

Setting DHW Temperature and Hygiene

Explains how to set DHW temperature and notes on hygiene requirements.

DHW Heating Time Programs

Guides users on setting time programs for DHW heating and circulation pump operation.

Advanced DHW Functions

Scalding Hazard Warning

Warns about the risk of scalding with high DHW temperatures and suggests mixing with cold water.

DHW Hygiene and Safety Features

DHW Scald Protection Control

Explains how to enable or disable scald protection to limit DHW temperature to 60°C.

Advanced Operation Modes

Emergency Mode Activation

Guides users on switching emergency mode on/off, affecting heating and cooling.

Connectivity and Interface Preferences

Network and System Reset

System Reset Details

Fault and Service Message Handling

Checking and Calling Fault Messages

Explains how to check for fault messages and view their details and causes.

Critical Fault Hazard Warning

Warns that unrectified faults pose life-threatening consequences.

Heat Pump Switching Operations

Shutting Down the Heat Pump

Details methods for shutting down the heat pump with or without frost protection.

Starting the Heat Pump

Explains the procedure for turning on the heat pump and initial display status.

Troubleshooting Common Issues

Addressing Cold Rooms

Provides causes and remedies for rooms being too cold, including heat pump status and settings.

Addressing Overheated Rooms

Lists causes and remedies for rooms being too hot, focusing on settings and error messages.

Troubleshooting Water Issues and Warnings

Resolving No Hot Water Issues

Lists causes and remedies for lack of hot water, including heat pump status and settings.

Handling Warning and Fault Messages

Explains how to handle "Warning" and "Fault" messages displayed on the system.

Maintenance Procedures

Appendix: System Navigation

Appendix: System Data and Information

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