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Message

Meaning

COM

IMM.HEAT

Indicates that heat production is active with both compressor and immersion heat-

er.

START_MIN

Indicates that there is a demand for heating or hot water production but that a start

delay is active.

IMMERSION HEATER

Indicates that there is an auxiliary heater demand.

COOLING

Displayed when passive cooling is produced.

ACTIVE COOLING

Displayed when active cooling is produced.

User Guide

Thermia Legend

BWLE01UG0102

Thermia AB

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Summary of Contents for Thermia Legend

Page 1: ...User Guide Thermia Legend 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 AB ...

Page 3: ...gs 13 5 4 Adjusting the Heat Curve 14 5 5 Hot water 15 5 6 System information 15 6 Accessories 17 6 1 Accessories 17 7 Alarms 18 7 1 Alarms 18 8 Regular checks 20 8 1 Regular checks 20 8 2 Check the water pressure in the heating circuit 20 8 3 Check level of brine 20 8 4 Checking safety valves 21 8 5 In the event of leakage 21 8 6 Cleaning the filters for the heating and brine circuits 21 9 Append...

Page 4: ...usting the settings in the heat pump display Avoid turning down radiator thermostats or floor heating thermostats to reduce room temperature With open thermostats you will extend the lifespan of the heat pump and you often also save more money as the heat pump will run more efficient Observe that the effect of the adjustment takes up to approximately 24 hours to be noticeable depending on the heat...

Page 5: ...t is a safe and convenient solution that provides sustainable heating hot water and in certain cases cooling for your home at a low energy consumption 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 With best wishes Thermia Heat Pumps User Guide Thermia Legend Thermia AB BWLE01UG0102 5 ...

Page 6: ...vice work The front of the heat pump must only be opened by qualified installers 3 2 Installation and maintenance Only qualified installers may install operate and carry out maintenance and repair work on the heat pump The appliance shall be stored and installed so as to prevent mechanical damage from occurring Due to safety regulations only qualified electricians may modify the electrical install...

Page 7: ...y valve with corresponding overflow pipe Water expands when it is heated which means that a small amount of water is released from the system via the overflow pipe The water that exits the overflow pipe can be hot Therefore allow it to flow to a floor drain to prevent any risk of burning yourself User Guide Thermia Legend Thermia AB BWLE01UG0102 7 ...

Page 8: ...ater heater Internal electrical immersion heater The Duo heat pump has a separate water heater The temperature in the water heater is controlled by temperature sensors Control equipment The control equipment controls the incoming components of the heating appliance compressor circulation pumps auxiliary heating exchange valves and external functions available as accessories if installed and keeps ...

Page 9: ...ime to obtain desired indoor climate in all weather conditions A correctly set heat curve saves energy gives a very good indoor climate and often also reduces the need of maintenance Note It is important to regulate the indoor temperature by adjusting the temperature in the heat pump dis play instead of turning of the radiators by using e g thermostats This way you extend the lifespan of the heat ...

Page 10: ...erating modes symbols and descriptions OFF The installation is fully switched off risk of freezing This mode is also used to acknowledge and reset alarms AUTO The heat pump automatically controls the heat pump and auxiliary heater Normally recommen ded mode COMPRESSOR In this mode the aux heater is blocked and will never assist e g no backup heating in case of alarms and no anti legionella top up ...

Page 11: ...elow as an example At an outdoor temperature of 0 C the target average supply temperature will be 40 degrees with heat curve 40 at room setting 20 Curve adjustment curve 40 example at room setting 20 20 0 10 10 20 20 30 40 50 55 60 40 max 55 min 20 The illustration for heat curve 40 red line shows that at outdoor temperatures colder than 0 C supply water hotter than 40 C is sent out to the radiato...

Page 12: ...ot as desired change the ROOM setting one step up or down to change the indoor temperature 1 degree up or down If the outdoor temperature is lower than 5 degrees and the indoor temperature is not as desired but it was OK at warmer out door temperatures change the HEAT CURVE setting 1 2 degrees up or down to change the in door temperature approximately 1 degrees up or down If the temperature is as ...

Page 13: ...econds or press the left button once to exit the menu One step up or down compares to approximately 1 C indoor temperature If the temperature in the house is to high Lower the ROOM value or HEAT CURVE Avoid closing the thermostats to lower room temperature The room temperature setting may not reflect to the actual room temperature but is intended as a reference intuitive adjustments Do not change ...

Page 14: ...or supply temperature Normally 20 C MAX Highest setpoint for supply temperature Caution high supply line temperature may cause damage to e g floors with floor heating CURVE 5 Used to fine tune the heat curve at an outdoor temperature of 5 C CURVE 0 Used to fine tune the heat curve at an outdoor temperature of 0 C CURVE 5 Used to fine tune the heat curve at an outdoor temperature of 5 C HEAT STOP T...

Page 15: ...ontroller 5 6 System information Check applicable operating data described in the tables below The information can be found in the sub menu INFORMATION TEMPERATURE Operating data temperature Sensor Explanation Outdoor Shows the temperature on the outdoor sensor System supply line Optional Depending on system application Desired supply line Shows the calculated requirement value for the supply line...

Page 16: ...umn 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 Parameter Factory setting Any customer specific settings Heat curve 40 30 C Min desired system supply temp 20 C Max desired system supply temp 60 45 C Heating Seasonal stop 17 C User Guid...

Page 17: ...lable for your heat pump Contact your installer if you have any specific requests Installed accessories will make settings available in the display Example of available accessories include Pool heating Online supervision Extra shunt group External auxiliary heater Passive cooling Active cooling Power limiter Flow guard Buffer tank control Room sensor Etc User Guide Thermia Legend Thermia AB BWLE01...

Page 18: ...ing hot water This is made to draw atten tion to the alarm Hot water production will start again when the problem is solved and alarm is reset by set ting operating mode off confirm and then back to desired operating mode If the problem can not be solved hot water and heating can in most cases be produced in operating mode Auxiliary heater note that operating mode aux heater will increase the ener...

Page 19: ...n turn on the electrical supply again Turn on electric main supply 6 Set the heat pump to operating mode AUTO bar 1 0 1 5 0 5 2 0 0 2 5 High pressure alarm Check system pressure see description in regular checks Also check that any thermostats on radiators floor heating are open and vent heating system for air 1 Set the heat pump to operating mode OFF and confirm to reset alarm 2 Check system pres...

Page 20: ...e in the heating circuit The system pressure of the installation should at regular basis be checked Ensure that the heating system has the necessary pressure according to the installers advice often approximately 1 bar but never more than 3 bar bar You can often use normal tap water when topping up the heating system In certain exceptional cases the wa ter quality may be unsuitable for filling the...

Page 21: ...because that water expands when heated and needs to be released to avoid damage on the hot water tank Make sure to never ever block the connection to the safety valves overflow pipes Any excessive pres sure must always be able to escape 8 5 In the event of leakage In the event of leakage in the hot water pipes between the heat pump and water taps close the shut off valve on the cold water inlet im...

Page 22: ...B and remove it 4 Remove the filter 5 Rinse the filter C 6 Reinstall the filter 7 Check that the O ring D on the cover is not damaged 8 Screw the cover back into place 9 Turn the shut off tap A to the open position 10 Start the heat pump Brine circuit For the brine circuit filter please contact your installer for advice User Guide Thermia Legend BWLE01UG0102 Thermia AB 22 ...

Page 23: ...cated by a flashing icon for the tank SQUARE Either indicates that the operating pressure switch has deployed or that the pres sure pipe temperature has reached its maximum temperature Compressor may temporarily stopped COOLING Displayed if cooling is produced A Active cooling Accessory The following operating information may also appear Message Meaning ROOM Shows the set ROOM value Standard value...

Page 24: ... Indicates that there is a demand for heating or hot water production but that a start delay is active IMMERSION HEATER Indicates that there is an auxiliary heater demand COOLING Displayed when passive cooling is produced ACTIVE COOLING Displayed when active cooling is produced User Guide Thermia Legend BWLE01UG0102 Thermia AB 24 ...

Page 25: ...he outdoor sensor Commissioning Bleeding hot and cold side Settings control system Manual test heat curve Manual test different operating conditions Noise check Function test safety valves Function test mixer valve Trimming the heating system ___ C Fill in the measured freezing point of the collector circuit s brine fluid Customer information Contents of this manual Safety precautions Controller f...

Page 26: ...lation carried out by Piping installation Date Company Name Tel No Electrical Installation Date Company Name Tel No System adjustment Date Company Name Tel No User Guide Thermia Legend BWLE01UG0102 Thermia AB 26 ...

Page 27: ...User Guide Thermia Legend Thermia AB BWLE01UG0102 27 ...

Page 28: ...al Thermia reserves the right to alter its products without notice This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this material are property of the respective companies Thermia AB and the Thermia AB logotype are trademarks of Thermia AB All rights reserved BWL...

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