Table of Contents
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Summary of Contents for Thermia Mega
- Page 1 User Guide Mega www.thermia.com...
- Page 2 The English language is used for the original instructions. Other languages are a translation of the original instructions. (Directive 2006/42/EC) © Copyright Thermia Värmepumpar...
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Page 3: Table Of Contents
User Guide Mega Table of Contents Foreword .......... -
Page 4: Foreword
We thank you for the confidence that you have shown in us by buying a heat pump from Thermia . We hope that you will benefit from it for many, many years to come. -
Page 5: Safety Precautions
User Guide Mega Safety precautions Symbols in documents The instructions contain different warning symbols, which, together with text, indicate to the user that there are risks involved with actions to be taken. The symbols are displayed to the left of the text and three different symbols are used to indicate the degree of... -
Page 6: Installation And Maintenance
User Guide Mega This appliance can be used by children aged 8 Warning years and above, and by persons with reduced physical, sensory or mental capabilities or lack of experience or knowledge, provided that they are supervised or have been instructed in the safe use of the appliance and understand the hazards involved. -
Page 7: System Modifications
User Guide Mega System modifications Only qualified installers may carry out modifications on the following components: ▪ The heat pump unit ▪ The pipes for the refrigerant, brine and water ▪ The power supply ▪ The safety valves It is not permitted to carry out construction installations that may affect the operational safety of the heat pump. -
Page 8: About Your Heat Pump
About your heat pump Product description The Mega heat pump is a heating system for heating and, if an external water heater is installed (accessory), for hot water production. It has a compressor which is customised for heat pumps. The Mega heat pump is equipped with control equipment which is presented in a graphic display. The control equipment is also prepared for monitoring via the internet. -
Page 9: Control System
User Guide Mega Control system The heat pump has an integrated control system which automatically calculates the heat demand in the build- ing to ensure that the correct amount of heat is produced and emitted when necessary. A touch screen is connected to the control system. -
Page 10: Settings And Adjustments
User Guide Mega Settings and adjustments A qualified installer sets the heat pump's basic settings upon installation. The adjustments that may be made by the installer/user are described below. Never change control unit settings unless you are aware of what effects the changes may have. - Page 11 User Guide Mega Symbol Description Operating mode Off. All functions off. Operating mode Standby. All internal functions off. System pump and other external functions are on. Operating mode On. All activated functions are on. In this operating mode, functions selected in Settings can be switched on or off.
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Page 12: Adjusting The Indoor Temperature
User Guide Mega Adjusting the indoor temperature The heat curve is a graph that compares the outdoor temperature with the supply temperature. The colder the outdoor temperature is, the more heat is supplied to the heating system. The heat curve is adjusted during installation. - Page 13 User Guide Mega Adjusting the heat curve 1. Press on the Start screen to open the Menu screen. 2. Press 3. Press if the Heat curve is not shown. 4. There are two ways of adjusting the heat curve: ▪ Press to adjust the entire curve.
- Page 14 User Guide Mega Symbol description Fig. 1: The figure shows the standard curve 40 Symbol description Shows when the curve is comfort-adjusted. The digit shows how much. Shows that the heat curve window is inactive. Press on the symbol to open heat curve settings.
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Page 15: Distribution Circuits
User Guide Mega Distribution circuits Distribution circuit 1 is available from factory. Distribution circuits 2-5 require an expansion module, EM-1, sep- arately sold as accessory. Up to 5 distribution circuits can be active simultaneously. Example of settings for distribution circuit 1: 1. -
Page 16: Operating Data
User Guide Mega Operating data Check applicable sensors described in the table below. The sensors can be found in the sub-menu Operating data Select Operating data on the Menu screen: 1. Press on the Start screen to open the Menu screen. -
Page 17: Default Settings In The Control Unit
User Guide Mega Default settings in the control unit The left column in the table below shows the parameters that can be adjusted by the user. The middle column shows the factory settings. The right column shows the settings made by the installer when the heat pump was installed... -
Page 18: Regular Checks
User Guide Mega Regular checks Alarms There are three types of alarm: ▪ Class A: Stops the heat pump. The alarm must be acknowledged. ▪ Class B: Does not stop the heat pump. The alarm must be acknowledged. ▪ Class C: Does not stop the heat pump. The alarm is self-acknowledging. -
Page 19: Checking The Brine Circuit Pressure
User Guide Mega Fig. 3: Alarm example Acknowledging alarms Press to reset all alarms. Checking the brine circuit pressure The brine circuit must be filled with the correct amount of fluid; otherwise the installation may become dam- aged. Ensure that the system has the necessary pressure, but not above the maximum pressure of 6 bar. -
Page 20: Check The Water Level In The Heating Circuit
User Guide Mega Check the water level in the heating circuit The system pressure of the installation must be checked at least twice per year. Ensure that the heating system has the necessary pressure, but max 6 bar. You can use normal tap water when topping up the heating system. In certain exceptional cases the water quality may be unsuitable for filling the heating system (corrosive or calciferous water). -
Page 21: Cleaning The Filters For The Heating And Brine Circuits
User Guide Mega Cleaning the filters for the heating and brine circuits The heat pump must be switched off at the main switch before cleaning can be started. The filter must be cleaned twice a year after installation. The interval can be extended if there is evidence that cleaning twice a year is not necessary. -
Page 22: Checklist
User Guide Mega Checklist Location Surface adjustment Drainage Pipe installation, hot and cold side Pipe connections in accordance with the diagram Flexible hoses Expansion and bleed vessel Filter, hot and cold side Pipe insulation Open radiator valves Leak test, hot and cold side... -
Page 23: Installation Carried Out By
User Guide Mega Installation carried out by: Piping installation ▪ Date: ▪ Company: ▪ Name: ▪ Tel. No: Electrical Installation ▪ Date: ▪ Company: ▪ Name: ▪ Tel. No: System adjustment ▪ Date: ▪ Company: ▪ Name: ▪ Tel. No: Thermia Värmepumpar... - Page 24 User Guide Mega VUJSC202 Thermia Värmepumpar...
- Page 25 User Guide Mega Thermia Värmepumpar VUJSC202...
- Page 26 User Guide Mega VUJSC202 Thermia Värmepumpar...
- Page 27 User Guide Mega Thermia Värmepumpar VUJSC202...
- Page 28 All trademarks in this material are property of the respective companies. Thermia Värmepumpar and the Thermia Värmepumpar logotype are trademarks of Danfoss A/S. All rights reserved.
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