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AIC TMU 500 Installation And Maintenance Manual

Thermal management unit
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FOR THE INSTALLER AND THE USER
THERMAL MANAGEMENT UNIT
TMU 500
EN

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Summary of Contents for AIC TMU 500

  • Page 1 FOR THE INSTALLER AND THE USER THERMAL MANAGEMENT UNIT TMU 500...

  • Page 2: Table Of Contents

    able of onTenTs ........G-4 ......G-25 eneral nformatIon roduct nstallatIon Responsibilities of the Manufacturer, the Installer Unpacking the Product ........G-25 and the User .............G-4 Handling the Product ........G-25 About this Manual ..........G-5 Opening and Closing the Front Door and Access Panels .............G-26 Symbols used in this Manual ........G-5 Inverting the Opening Side of the Front Door G-27 ........G-6...
  • Page 3 ndex of llustratIons Fig. 1. TMU Packaged for Transport ......G-7 Fig. 2. Data Plate - Typical ..........G-7 Fig. 3. TMU Components - Front view ......G-9 Fig. 4. TMU - Inner Components - Front & rear views G-10 Fig. 5. Single Appliance Clearances - View from the ................

  • Page 4: Responsibilities Of The Manufacturer, The Installer

    eneral eneral nformatIon nformatIon Responsibilities of the Manufacturer, the In- staller and the User Manufacturer The installer shall provide the end-user with: Any relevant explanation about the op-  Our products are manufactured in compliance eration of the appliance and the heat- with the requirements of the applicable Europe- ing system as well as the safety devices an Directives and standards, and are therefore...

  • Page 5: About This Manual

    eneral nformatIon About this Manual This documentation is part of the product. It will be handed over to the end-user who will keep it, with all the other applicable documents, in a safe place and readily available for use. Before installing, operating or maintaining the appliance, please carefully read this manual and all the applicable documents provided with the components and accessories.

  • Page 6: General Safety Instructions

    eneral nformatIon eneral InformatIon General Safety Instructions When the appliance is con- î nected to the electrical net- work, it must be earthed. This appliance must be installed ac- Make sure that a fuse or circuit breaker î î cording to the applicable local regu- of the recommended rating is installed lations and standards by a qualifi ed outside the appliance, so as to be able...

  • Page 7: Package Contents

    î A stratification tank with integrated controller name or abbreviated name: î An Installation and Maintenance manual Thermal Management Unit 500 or TMU 500 Refer to “Unpacking the Product” on page G-25 for the complete unpacking and installation in- Appliance Marking structions.

  • Page 8: Thermal Management Unit

    General Description The components of the appliance were manufac- tured in accordance with the requirements of EU AIC’s Thermal Management Unit is an appliance, regulations. which consist of two major elements. Master con- The stratification buffer tank is designed and man-...
  • Page 9 roduct escriPtion On/Off switch Control panel access door Control panel Water tank insulation Removable bottom panel Hinged reversible front door Fig. 3. TMU Components - Front view Z-106164_EN ● 00...
  • Page 10 Fig. 4. TMU - Inner Components - Front & rear views Electronic board TMU 500 Socket 230V Web server dry weight 10. Extension modules full of water 11. TMU controller 12. Mod-bus module connections (Ø) 13. Outlet HC 14.

  • Page 11: Dimensions

    echnical pecificaTionS echnIcal PecIfIcatIons Dimensions dimensions expressed in mm G-11 Z-106164_EN ● 00...

  • Page 12: Pecifications

    echnical pecificaTionS Clearances Fig. 5. Single Appliance Clearances - View from the Top Clearances Min. Recommended back front (Front door fully open on hinges) sides G-12 Z-106164_EN ● 00...

  • Page 13: Product Data

    Product data TMU 500 total water capacity max heating temperature °C operating heating temperature °C 35-85 max operating heating pressure insulation 60 mm ESP Graphite core, 20 mm fleece diagonal size 650 (810) nominal water flow power code (DIN 4708)

  • Page 14: I Nstructions For The

    nstructIons for the nstructIons for the Starting the Appliance Stopping the Appliance The first start-up of the appliance after Conditions: its installation must be performed by a None qualified professional, according to the procedure in “Start-up and Commis- Procedure: sioning” on page G-46. Push the On/Off switch located on the right side of the appliance.

  • Page 15: Control Panel

    These functions are not specifically marked. If you have any questions about the functional scope and equipment of your appliance and the heating sys- tem, please contact AIC representative. The technical data of the controller are provided by the manufacturer and are available in its manual.

  • Page 16: Symbols And Messages On The Control Panel

    nstructIons for the Symbols and Messages on the Control Panel Service/settings. Gives access to setting op- The control panel display is divided into several tions on device or system, allows to operate zones (See Fig. 7): special operations (e.g. for maintenance work) and allows to log in, in expert view (access to î...

  • Page 17: Operating The Controller - End User Level

    nstructIons for the Operating the Controller - End User Level 30.12.2019 14:42 Some parameters are only visible if Flow temp 35°C the circuit is installed and enabled. Return temp 32°C Buffer temp 24°C Outside temp 18°C DHW temp 55°C System Automa�c Selectable/ Icons...
  • Page 18 nstructIons for the Selectable/ Icons In the work area Adjustable Remark Parameters Operating mode When “off”, Hot water heat- » Ÿ ing is switched off; when Ÿ “On”, Hot water is heated to temp. the nominal setpoint as per setting time program Temporary “Recharging”...
  • Page 19 nstructIons for the Selectable/ Icons In the work area Adjustable Remark Parameters Regional settings Time 01:00 Ÿ Settings Date 01.01.2030 Regional settings (1/3) Ÿ » Regional settings (2/3) Start of summertime 25.03 » Ÿ End of summertime 25.10 Ÿ Regional settings (3/3) Language (English - Deutsch - Français »...

  • Page 20: Basic Settings

    nstructIons for the Symbols used for the operation of the Basic Settings selector: 1 - Time and Date Adjustment turn the selector to the left or to the right. depress shortly the rotary se- lector. turn the selector to adjust the value, then depress the se- Regional settings Regional settings...

  • Page 21: Temperature Settings

    nstructIons for the Temperature settings Protection Ÿ Automatic Ÿ Operating mode Temp. setting » Reduced Ÿ Comfort Ÿ Operating modes Manual changeover of operating modes In Protection mode, the heating system is off. In automatic mode, the temperature level is However, the room remains protected against frost changed over based on the time programs.

  • Page 22: Warmer/Cooler Function

    nstructIons for the Warmer/cooler function Setpoints The room temperature can be temporary set to The different setpoint setting ranges are interlocked, warmer or cooler for each living zone using room which means that the next lower setpoint cannot units QAA74 and operator units (HMI) AVS74. be higher than the next higher, and vice versa.

  • Page 23: Heating Curve

    nstructIons for the Heating curve The adjusted heating curve is based on a room temperature setpoint of 20 The set heating curve ensures that the flow tem- °C. lf the room temperature setpoint is perature setpoint changes depending on the out- changed, the heating curve adjusts it- side temperature.

  • Page 24: Eco Functions

    nstructIons for the Eco functions Eco functions are not active in the Comfort mode! Summer/winter heating limit lf the attenuated outside temperature exceeds the “Summer/winter heating limit” (e.g. in spring), the heating system is shut down. lf the attenuat- ed outside temperature drops (e.g. in autumn), the heating is switched on only when the temperature reaches a level of 1K below the limit temperature.

  • Page 25: Unpacking The Product

    roduct roduct nstallatIon nstallatIon Unpacking the Product Failure to comply with these recom- î mendations can result in damage to The TMU is delivered on a wooden pallet and is se- the TMU or injuries to the personnel. cured to the pallet with four screws. The appliance is protected by a wooden packaging Remove bottom panel from the appliance, lined with rubber protection at the contact surfaces.

  • Page 26: Opening And Closing The Front Door And Access Panels

    roduct nstallatIon Opening and Closing the Front Door and Access Panels Top panel Conditions: Release 4 screws and retain for reinstallation. Tools and Material: Remove top panel. Proceed in reverse order î Wrench, hex head, size 4 to reinstall. Side Panels Open/Close Procedure: The top front panel cannot be The top side panel must be removed to be...

  • Page 27: Inverting The Opening Side Of The Front Door

    roduct nstallatIon Inverting the Opening Side of the Front Door On the right side of the frame : î release two screws from top & bottom hinges Conditions: ). Remove and retain for reinstallation Tools and Material: î rotate each hinge ( ) 180°...

  • Page 28: Hydraulic Connections - Nesta & Nesta Chrome

    roduct nstallatIon Hydraulic Connections - Nesta & Nesta Chrome G-28 Z-106164_EN ● 00...

  • Page 29: Hydraulic Connections - Coilmaster

    roduct nstallatIon Hydraulic Connections - CoilMaster G-29 Z-106164_EN ● 00...

  • Page 30: Hydraulic Connections - Cascade

    roduct nstallatIon Hydraulic Connections - Cascade G-30 Z-106164_EN ● 00...

  • Page 31: Hydraulic Connections - Key

    roduct nstallatIon Hydraulic Connections - Key Make sure that your hydraulic circuits are equipped with all required safety acces- sories (safety group, expansion vessel, etc.). Also refer to the heat generator tech- nical documentation for more information. Ball valve Strainer (filter) Expansion vessel Mixing valve Safety group...

  • Page 32: Safety Instructions And Recommendations For The Hydraulic Circuits

    roduct nstallatIon Safety Instructions and Recommendations for the Hydraulic Circuits It is recommended to install î the following devices in the system to prevent water contamination: Make sure that the circuit is provided Water filter and/or dirt separator in- î with a safety pressure relief valve and stalled on the return circuit.

  • Page 33: Recommendations For The Quality Of Water (Primary Circuit)

    î ard EN 14868. Copper < 0,1 mg/l An air separator (on the appliance supply AIC recommends to have the DHW circuit î î operating at more than 60°C to prevent the circuit) combined with a dirt separator (up- stream of the appliance) must be installed development of bacteria in the DHW circuit.

  • Page 34: Requirements For The Hydraulic Circuits

    roduct nstallatIon Requirements for the Hydraulic Circuits G3 Requirements (UK only) 3.51 The diameter of discharge pipe (D1) should be not less than the nominal outlet size of the tem- perature relief valve. Discharge pipe from safety valves 3.52 Where a manifold is used it should be sized The Building Regulation G3 requires that any dis- to accept and discharge the total discharge from charge from an unvented system is conveyed to...
  • Page 35 roduct nstallatIon 3.58 The discharge pipe (D2) should be at least Termination of discharge pipe one pipe size larger than the nominal outlet size of 3.61 The discharge pipe (D2) from the tundish the safety device unless its total equivalent hydraulic should terminate in a safe place where there is no resistance exceeds that of a straight pipe 9m long, risk to persons in the vicinity of the discharge.
  • Page 36 roduct nstallatIon temperature relief valve to tundish 600mm maximum Tundish 300mm minimum Discharge below fixed Metal discharge pipe (D2) tundish with grating (3.61 gives continuous fall. See 3.56, Table G3 and alternative points of worked example discharge) Fixed grating Trapped gulley Figure G3: Typical discharge pipe arrangement Maximum resistance Minimum size of dis-...

  • Page 37: Safety Instructions For The Electrical Connections

    roduct nstallatIon Safety Instructions for the Electrical Cables Connections Any damaged power supply ca- î ble must be replaced using ca- bles as described below and in- stalled by a qualified professional. The cross-section of the wires should î Electrical connections must be carried be >2.5 mm , equipped with sleeves at L, out by a qualifi ed professional in accord-...

  • Page 38: Accessing The Electronic Board And Low And High Voltage Terminal Strips

    roduct nstallatIon Accessing the Electronic Board and Low and High Voltage Terminal strips Make sure that the power supply to Remove one screw ( ) from the top of the the appliance is deactivated (power panel. Retain for installation. supply cable disconnected from the Lift and carefully remove the electronic bay appliance) before accessing the high cover panel (...

  • Page 39: Modbus Module

    roduct nstallatIon Modbus module Modbus module (OCI351) is an accessory added to each TMU as a standard. It provides feedback information to main controller about key parame- ters of the heat pump, such as: • heat pump inlet temperature • heat pump outlet temperature •...

  • Page 40: Wiring Diagram - Tmu Basic

    roduct nstallatIon Wiring Diagram - TMU Basic Top Temperature Sensor Bottom Temperature Sensor D1D2 D3 UX3 M DI6 DI TMU Controller 1 2 3 4 5 6 1 2 3 11 12 13 14 15 16 17 18 19 20 21 22 23 Rear Box Main Power Multifunctional...
  • Page 41 roduct nstallatIon Front Panel 1 I7 M Signal Signal Signal Signal Signal Signal Signal Front Grouding Strip OCI351.01/101 AVS74.296/109 Display Unit GNYE Max 625mA Legend Signal 12V DC Black HV Grounding GNYE Green-Yellow Signal White Grounding Neutral Blue Phase Bronze Grey X50, X60 G-41...

  • Page 42: Wiring Diagram - Tmu Max

    roduct nstallatIon Wiring Diagram - TMU Max Legend Signal 12V DC Black HV Grounding GNYE Green-Yellow Signal White Top Temperature Grounding Blue Neutral Sensor Bottom Phase Bronze Temperature X50, X60 Grey Sensor D1D2 D3 UX3 M D TMU Controlle 1 2 3 4 5 1 2 3 11 12 13 14 15 16...
  • Page 43 roduct nstallatIon Front Panel 1 DI6 DI7 M Signal Signal Signal Signal Signal AVS75.390 BX22 Signal BX21 Signal AVS75.390 BX22 BX21 AVS75.390 BX22 BX21 Front Grouding Strip Optional Front Panel 2 OCI351.01/101 Optional 230V AC / 24V DC AVS74.296/109 Optional Display Unit DC24V Ethernet...

  • Page 44: Electrical Connections - System Components

    roduct nstallatIon Electrical Connections - System Components Fig. 21. TMU wiring - heat pump Modbus connection Fig. 22. TMU wiring - heat pump On/off switch G-44 Z-106164_EN ● 00...
  • Page 45 roduct nstallatIon Fig. 23. Wiring - heat pump circulating pump Fig. 24. TMU wiring - Boiler G-45 Z-106164_EN ● 00...

  • Page 46: Ommissioning

    ommIssIonInG ommissioning Filling the Tank Start-up and Commissioning Conditions: Condition(s): Procedure: Tank flushed with fresh water. Make sure that all connections are tight and there is no leak. The tank does not have a pressure Push the On/Off switch located on the right sensor.
  • Page 47 ommissioning Commissioning Wizard The following pages give a view of the When starting up the appliance for the first time, a structure of the commissioning wizard commissioning wizard will be displayed, unless it has contents. Program numbers are pro- been disabled before (e.g. from factory or through a vided, as well as the detail of the menu previous manual deactivation).

  • Page 48: General Structure Of The Commissioning Wizard

    Follow the instructions on the screen if you need to change anything, or skip this chapter. Please contact AIC ‘s technical support for additional information. Continue...
  • Page 49 ommissioning Functions Domestic Hot Water 1612 - Reduced setpoint (40°C) 1620 - Release (24h/day / Time programs HCs / Time program 4/DHW) 1630 - Charging priority (Absolute / Shifting / None / MC shifting, PC absolute) 1640 - Legionella function (Off / Periodically / Fixed weekday) 1645 - Legionella function setpoint (65°C)
  • Page 50 ommissioning Secure 6200 - Save sensors / Yes) 7170 - Telephone customer service (0..) Continue Commissioning wizard 7167 - Commissioning wizard (Off / On ... next time the control device is switched on) Continue Complete parameter list Commissioning wizard Select this function if any chang- es were made in the commis- Refresh operator unit sioning wizard.

  • Page 51: M Aintenance

    Inspection mainte- î nance tasks should be car- ried out every 12 months. AIC recommends that the maintenance î Water fl owing out of the drain valve î of the appliance and its components is can be extremely hot. Use extreme carried out by a qualifi ed professional.

  • Page 52: Shutting Down For Maintenance

    aintenance Shutting Down for Maintenance Restarting after Maintenance Conditions: None Conditions: Procedure: Procedure: Press the On/Off switch located on the right side of the control panel. Press the On/Off switch located on the right side of the control panel. When in the OFF position, the lamp switch is not illuminated.

  • Page 53: Optional Modules

    dditionAl nformAtion for the nstAller ddItIonal nformatIon for the nstaller Optional Modules Each additional module must have an external power supply and also be protected with a circuit breaker. Extension Modules Web Server Module TMU can control up to 3 heating circuits with mix- Through the use of this module, you can connect ing valves, using one extension module for each to an Ethernet and get remote access to all the...

  • Page 54: Appliance Settings For The Installer

    For any question related to the menus, please con- Each level allows to set certain specific parame- tact AIC’s technical support. ters or program the appliance, according to the installed circuits.

  • Page 55: Bivalent Operation

    dditionAl nformAtion for the nstAller Bivalent operation Locking time Operation of heat pump and the boiler (supple- mentary source) is released only when the com- posite outside temperature lies above or below the The locking time enables the heat pump to reach a set temperature limit.

  • Page 56: Structure Of Menus For The Installer

    dditionAl nformAtion for the nstAller Structure of Menus for the Installer Top menu Pgm No. Submenu 1 Submenu 2 Default Setting Time of day and Time » 01:00 (hh:min) date (2 pages) Date 01.01.2030 » (dd.mm.yyyy) Start of summertime 25.03 »...
  • Page 57 dditionAl nformAtion for the nstAller Top menu Pgm No. Submenu 1 Submenu 2 Default Setting Operating mode Automatic Heating circuit 1 » Ÿ Protection Ÿ Automatic Reduced Ÿ Comfort Ÿ Comfort setpoint » 21°C Reduced setpoint » 19°C Protection setpoint »...
  • Page 58 dditionAl nformAtion for the nstAller Top menu Pgm No. Submenu 1 Submenu 2 Default Setting Domestic Hot 1610 Nominal setpoint » 70°C Water (5 pages) 1612 Reduced setpoint 40°C » 1620 Release 24h/day » Ÿ Time programs HCs 24h/day Ÿ Time program 4/DHW Ÿ...

  • Page 59: Error Codes And Solutions

    Check connection and/or sensor. Re- Outside temperature sen- place as required. sor error Emergency operation Contact AIC technical support. DHW temperature 1 sensor Check connection and sensor. Replace error as required. DHW temperature 2, sen- Check connection and sensor. Replace sor error as required.
  • Page 60 Sensor input BX22 without Connect temperature sensor in BX function terminal External Contact AIC technical support Extension module 3 Check extension module connections. Mains undervoltage Check electric supply in unit terminals Check connection and sensor. Replace DHW sensor no function as required.
  • Page 61 dditionAl nformAtion for the nstAller Error Fault description Explanation Action(s) code Check connection or verify parametriza- BX8 no function tion of connections. Check connection or verify parametriza- BX9 no function tion of connections. Check connection or verify parametriza- BX10 no function tion of connections.

  • Page 62: Troubleshooting

    Check the pressure in the system (max. 6 Safety valve opens frequently Pressure in the water circuit bar). Check the expansion tank size and opera- Expansion tank tion. In case of any other troubles, please contact your AIC representative. G-62 Z-106164_EN ● 00...

  • Page 63: Installation Checklist

    dditionAl nformAtion for the nstAller Installation Checklist Unit Values/Comments General/heating system Type of building/system Commercial purpose (Y/N) ? Year of manufacture Output of system Heated surface m² Number of heating circuits: • Floor heating • Radiators • Other Cascade (Y/N)? Number of boilers? Water Water hardness at start up mol/m³...
  • Page 64 dditionAl nformAtion for the nstAller Unit Values/Comments DHW tank (Y/N)? Type? Pump(s) (Y/N)? Type? • In which circuit(s) • Chosen according to require- ments for the appliance? Controller Appliance controller? Other controller (Y/N)? Type? Optional modules installed (Y/N) • Type? Optional items installed (Y/N)? •...
  • Page 65 NOTES G-65 Z-106164_EN ● 00...
  • Page 66 NOTES G-66 Z-106164_EN ● 00...
  • Page 67 NOTES G-67 Z-106164_EN ● 00...
  • Page 68 AIC Europe B.V. Graafschap Hornelaan 163A NL-6001 AC Weert The Netherlands www.myaic.eu...

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