SystemAir SAVE VTR 250/B User Manual

Document translated from English | 211570 · A003
SAVE VTR 250/B
GB User Manual................................................2
SV Användarhandbok .....................................24
DE Bedienungsanleitung .................................46
FI Käyttöohje................................................72

SystemAir SAVE VTR 250/B Specifications

General

Brand	SystemAir
Model	SAVE VTR 250/B
Category	Fan
Language	English

Summary

Disposal and Recycling

Safety Warnings

Covers Danger, Warning, and Important notes for safe operation and maintenance procedures.

Type Label Information

Introduction to SAVE VTR 250/B

Overview of the SAVE VTR 250/B unit, its features, and suitability for homes.

Unit Configuration

General Configuration Overview

Introduction to the touchscreen HMI and its role in controlling system functions.

Startup Wizard Process

Initial setup process for menu language, time, date, and airflow settings.

Common Symbols and Navigation

Explanation of common icons and buttons used within the unit's menu interface.

Menu Structure Overview

Detailed breakdown of the main menu structure and available options.

Home Screen Interface

User Modes Explained

Explanation of different user modes like AUTO and MANUAL for unit operation.

Permanent User Modes

Details on permanent user modes, their icons, text, and descriptions for operation.

Temporary User Modes

Information about temporary user modes that operate for a limited time.

Temporary Modes Details

Descriptions of various temporary modes like HOLIDAY, CROWDED, AWAY, REFRESH, FIREPLACE.

Digital Input Functions

How digital inputs activate specific functions like vacuum cleaner or cooker hood.

Digital Input and Mode Hierarchy

Explanation of the priority order between different user modes and digital inputs.

Temperature Settings

ECO Mode Functionality

Explanation of the ECO mode for power saving and its impact on heating.

Airflow Settings

Important Airflow Notes

Important notes on setting fan to off and manual fan stop activation.

Indoor Air Quality (IAQ) Control

Status Line Information

User Function Icons Guide

Airflow and Temperature Icons

Icons for Heating, Heat recovery, Cooling, Cooling recovery, and Free cooling.

Operational and Maintenance Icons

Icons for Moisture transfer, Defrosting, Secondary air, Vacuum cleaner, Cooker hood, User lock.

Week Schedule Configuration

Scheduling Airflow Settings

How to set airflow levels for scheduled and unscheduled periods.

Editing Schedule Entries

Steps to add or modify a schedule, including time and day selection.

Week Schedule Example

Example of the WEEK SCHEDULE interface showing time periods and days.

Unit Maintenance

Maintenance Warnings and Dangers

Safety warnings specific to maintenance procedures, including danger and general warnings.

Opening the Front Hatch

Instructions on how to open the unit's front hatch for access.

Filter Replacement Procedure

Step-by-step guide for replacing the unit's filters.

Filter Change Safety Danger

Critical safety instruction regarding mains supply disconnection before filter change.

Filter Time Reset

Heat Exchanger Maintenance

Heat Exchanger Safety Danger

Critical safety instruction regarding mains supply disconnection before heat exchanger work.

Heat Exchanger Cleaning Warning

Warning about ensuring the rotor motor is not exposed to moisture during cleaning.

Fan Cleaning

Fan Cleaning Safety Danger

Critical safety instruction regarding mains supply disconnection before fan cleaning.

Rotor Drive Belt Replacement

Belt Replacement Notes

Notes on removing the heat exchanger for belt replacement and alarm indicators.

Belt Replacement Safety Danger

Critical safety instruction regarding mains supply disconnection before belt replacement.

Belt Replacement Safety Warning

Warning about the weight of the heat exchanger and safety during removal.

Heat Exchanger Mounted Belt Change

Steps to replace the drive belt when the heat exchanger is mounted.

Belt Replacement Notes

Troubleshooting notes for belt slippage and alarm checks.

Heat Exchanger Removed Belt Change

Steps to replace the drive belt after removing the heat exchanger.

Belt Replacement Notes

Troubleshooting notes for belt slippage and alarm checks.

Duct System Maintenance

Cleaning Air Diffusers and Louvres

How to clean air diffusers and louvres.

Checking Outdoor Air Intake

How to check and clean the outdoor air intake grille.

Checking Roof Cowl

How to check and clean the roof cowl.

Cleaning Duct System Runs

How to check and clean the duct runs for dust and grease.

Troubleshooting Guide

Malfunction and Action Guide

Covers common malfunctions like fan start issues, reduced airflow, and control problems.

Alarm System Overview

Alarm List Details

Frost Protection Alarms

Covers Frost protection and Frost protection temperature sensor alarms.

Fan and Control Alarms

Covers Defrosting error, Supply/Extract fan rpm, and control error alarms.

Fire Alarm

Explanation and actions for the Fire alarm.

Thermostat and Damper Alarms

Covers Emergency thermostat, Bypass damper, and Secondary air damper alarms.

Sensor Malfunction Alarms

Covers Rotor guard, Outdoor air temperature, Overheat, Supply air, and Room air sensors.

Additional Sensor and Filter Alarms

Covers Extract air, Extra controller, Efficiency sensors, PDM RH, Filter, and Extra controller alarms.

Operational Status Alarms

Covers External stop, Manual fan stop, Overheat temperature, and Low supply air temperature.

Environmental Sensor and Output Alarms

Covers CO2, RH sensor malfunctions, and outputs in manual mode.