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Cylinder Unit
eHSt20 series
eHPt20 series
inStAllAtiOn MAnUAl
For safe and correct use, read this manual and the outdoor unit installation manual thoroughly before installing
the cylinder unit. English is the original language. The other languages versions are translation of the original.
inStAllAtiOnSHAndBUCH
Aus Sicherheitsgründen und zur richtigen Verwendung vor der Installation des Hydraulikmoduls inkl. Speicher die vorliegende Bedienungsanleitung und die
Installationsanleitung der Außeneinheit gründlich durchlesen. Die Originalsprache ist Englisch. Die anderen Sprachversionen sind vom Original übersetzt.
MAnUel d'inStAllAtiOn
Pour une utilisation correcte et sûre, lisez soigneusement ce manuel et le manuel d'installation de l'unité extérieure avant d'installer
l'ECODAN hydrobox duo. L'anglais est la langue originale. Les versions fournies dans d'autres langues sont des traductions de l'original.
inStAllAtieHAndleidinG
Lees voor een veilig en juist gebruik deze handleiding en de installatiehandleiding van de buiten-unit aandachtig door voordat u met
de installatie van de cilinder begint. Engels is de oorspronkelijke taal. De andere taalversies zijn vertalingen van het origineel.
MAnUAl de inStAlACiÓn
Para un uso correcto y seguro, lea detalladamente este manual y el manual de instalación de la unidad exterior antes de instalar
el hydrobox duo. El idioma original del documento es el inglés. Las versiones en los demás idiomas son traducciones del original.
MAnUAle di inStAllAZiOne
Per un utilizzo sicuro e corretto, prima di installare l'hydrotank leggere attentamente questo manuale e quello di installazione dell'
unità esterna. Il testo originale è redatto in lingua inglese. Le altre versioni linguistiche rappresentano traduzioni dell'originale.
MAnUAl de inStAlAÇÃO
Para uma utilização segura e correcta, leia este manual e o manual de instalação da unidade exterior antes de
instalar o cilindro. O idioma original é o inglês. As versões em outros idiomas são traduções do idioma original.
inStAllAtiOnSMAnUAl
Af hensyn til sikker og korrekt brug skal denne vejledning og vejledningen til udendørsenheden installation læses omhyggeligt,
inden tank modulet (unit) installeres. Engelsk er det oprindelige sprog. De andre sprogversioner er oversættelser af originalen.
inStAllAtiOnSMAnUAl
För säker och korrekt användning, läs denna manual och utomhusenhetens installationsmanual innan du
installerar cylindertanken. Engelska är originalspråket. De övriga språkversionerna är översättningar av originalet.
inStAllerinGSHÅndBOK
For å sikre en trygg og riktig bruk skal du lese denne håndboken og installeringshåndboken for utendørsenheten grundig
før du monterer sylinderenheten. Engelsk er originalspråket. De andre språkversjonene er oversettelser av originalen.
ASennUSOPAS
Lue turvallista ja asianmukaista käyttöä varten tämä opas ja ulkoyksikkö asennusopas huolellisesti ennen
varaajayksikön asentamista. Alkuperäiskieli on englanti. Muut kieliversiot ovat alkuperäisen käännöksiä.
FOr inStAller
FÜr inStAllAteUre
POUr l'inStAllAteUr
VOOr de inStAllAteUr
PArA el inStAlAdOr
Per l'inStAllAtOre
PArA O inStAlAdOr
til inStAllAtØren
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Table of Contents
Related Manuals for Mitsubishi Ecodan
Summary of Contents for Mitsubishi Ecodan
- Page 1 Français (F) Pour une utilisation correcte et sûre, lisez soigneusement ce manuel et le manuel d’installation de l'unité extérieure avant d’installer l’ECODAN hydrobox duo. L’anglais est la langue originale. Les versions fournies dans d’autres langues sont des traductions de l’original. inStAllAtieHAndleidinG...
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Page 2: Table Of Contents
Contents 1. Safety notices .................. 2 4.5 Safety device discharge Arrangements (G3) ......16 2. introduction ..................2 4.6 electrical Connection ............... 17 3. technical information ..............3 5. System Set Up ................21 Product specification ............... 3 5.1 dip Switch Functions ............... 21 Component Parts .............. -
Page 3: Safety Notices
Do not position furniture or electrical appliances below the outdoor unit or cylinder unit. The discharge pipework from the emergency devices of the cylinder unit should be installed according to local law. Only use accessories and replacement parts authorised by Mitsubishi Electric ask a qualified technician to fit the parts. electrical All electrical work should be performed by a qualified technician according to local regulations and the instructions given in this manual. -
Page 4: Technical Information
technical information technical information Product specification... -
Page 5: Component Parts
technical information technical information Component Parts <eHSt20C-*M*HB/*M*B> (Split model system) number Component Automatic air vent Pressure relief valve Expansion vessel *(Except EHST20C-*M*EB) Main controller Control and electrical box Immersion heater (Only for EHST20C-*M*HB) DHW tank 3-way valve Water circulation pump Manual air vent Booster heater Drain cock (Booster heater) - Page 6 technical information <eHPt20X-VM2HB> (UK Packaged model system) number Component Automatic air vent Pressure relief valve Expansion vessel Main controller Control and electrical box Temperature and pressure relief valve (not visible) Immersion heater DHW tank 3-way valve Water circulation pump Manual air vent Booster heater Drain cock (Booster heater) Strainer valve...
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Page 7: Technical Drawings
technical information <Unit: mm> technical drawings Air vent Pressure relief valve G1/2 Main controller Temperature and pressure relief valve and its access plate (EXPT20X-VM2HB only) Terminal block Front panel <Right side> <Left side> <Front> 63.3 67.8 G / J 449.7 491.1 509.7 561.7... -
Page 8: Unit Compatibility
technical information Unit Compatibility Cylinder unit EHST20C- EHST20C- EHST20C- EHST20C- EHST20C- EHST20C- EHST20C- EHST20C- EHST20C- EHPT20X- EHPT20X- EHPT20X- EHPT20X- EHPT20X- EHPT20X- Outdoor unit VM6HB YM9HB TM9HB VM2B VM6B YM9B VM6EB YM9EB VM6SB VM2HB VM6HB YM9HB TM9HB VM6B YM9B PUHZ-W50-85 Packaged model PUHZ-HW112-140 PUHZ-RP35-140 PUHZ-HRP71-125... - Page 9 * EN60335/Type 3000W single phase 230V 50Hz, length 460 mm 3000 W, 230 V ing valve should be positioned on both the inlet ** Use only Mitsubishi Electric service parts as a direct replacement. and outlet pipework. No valve should be fitted DHW tank capacity...
- Page 10 technical information Water pipe <eHPt20X-*M*HB/*M*B (except eHPt20X-VM2HB)> Plate heat exchanger (Packaged model system) Booster heater 1,2 Drain cock for booster heater) Pump valve Water circulation pump 1 Cold water 3-way valve Manual air vent Drain Manometer 10. Pressure relief valve (3 bar) 11.
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Page 11: Local System
technical information local system 1-zone temperature control Zone1 Zone1 2-zone temperature control Zone1 Zone2 1-zone temperature control with boiler 2-zone temperature control with boiler Zone1 Zone1 Zone2 1. Zone1 heat emitters (e.g. radiator, fan coil unit) (field supply) 2. Mixing tank (field supply) 3. -
Page 12: Installation
installation <Preparation before the installation and service> ● Prepare the proper tools. ● Prepare the proper protection. ● Allow parts to cool before attempting any maintenance. ● Provide adequate ventilation. ● After stopping the operation of the system, turn off the power-supply breaker and remove the power plug. ●... -
Page 13: Water Quality And System Preparation
installation 4.2 Water Quality and System Preparation Minimum amount of water required in the space heating circuit General Outdoor heat pump unit Minimum water quantity [l] • Water quality should be to European Directive 98/83 EC standards. ► pH value of 6.5-8.0 (Recommended: pH6.5 - 7.5) Packaged model PUHZ-W50 ►... -
Page 14: Water Pipe Work
installation 4.3 Water Pipe Work insulation of Pipework Hot Water Pipework • All exposed water pipework should be insulated to prevent unnecessary heat loss and condensation. To prevent condensate entering the cylinder unit, the pipework and connections at the top of the cylinder unit should be carefully insulated. the cylinder unit is UnVented. -
Page 15: Water Circulation Pump Characteristics
installation Water flow rate range [L/min] Outdoor heat pump unit Water Circulation Pump Characteristics Packaged PUHZ-W50 7.1 - 14.3 Pump speed can be selected by main controller setting (see <Figure 4.3.2 to PUHZ-W85 10.0 - 25.8 4.3.5> ). PUHZ-HW112 14.4 - 27.7 Adjust the pump speed setting so that the flow rate in the primary circuit is PUHZ-HW140 17.9 - 27.7... -
Page 16: Safety Device Connections
installation Safety device Connections eHPt20X-VM2HB (for UK) The expansion relief valve on the secondary hot water side, and the temperature Cold water inlet and pressure (T&P) relief valve (*1), situated part way down the DHW tank on the right hand side, both need appropriate discharge pipework. In accordance with Building Regulations a tundish must be fitted into the pipework within 500 mm of the safety device (also see Figure 4.4.1). -
Page 17: Safety Device Discharge Arrangements (G3)
installation i. Ideally below a fixed grating and above the water seal in a trapped gully. 4.5 Safety device discharge Arrangements (G3) ii. Downward discharges at low level; i.e. up to 100 mm above external surfaces the following instructions are a requirement of UK Building regulations and must be adhered to. -
Page 18: Electrical Connection
installation The cylinder unit can be powered in two ways. 4.6 electrical Connection 1. Power cable is run from the outdoor unit to the cylinder unit. All electrical work should be carried out by a suitably qualified technician. Failure 2. Cylinder unit has independent power source to comply with this could lead to electrocution, fire, and death. - Page 19 installation Cylinder unit <3 phase> Outdoor unit To control board Power supply Wiring Earth circuit 400 V leakage breaker 50 Hz circuit breaker Isolating switch ECB1 booster Wiring Power supply heater circuit 3~ 400 V 50 Hz (EH*T20*-yM*B) (Primary circuit) breaker 3~ 230 V 50 Hz (EH*T20*-tM*B) Isolating...
- Page 20 installation Option 2: Cylinder unit powered by independent source. If the cylinder unit and outdoor unit have separate power supplies, the following requirements MUST be carried out: Initial settings Black (Power supplied by CN01 outdoor unit) • Change the connector connections in the control and electrical box of Cylinder unit the cylinder unit (see Figure 4.6.3) control board...
- Page 21 installation Cylinder unit <3 phase> Wiring Power circuit To control supply Earth breaker board leakage 230 V Isolating circuit 50 Hz switch breaker Outdoor unit Power Wiring supply circuit Earth breaker leakage 400 V circuit 50 Hz Isolating breaker switch ECB1 Wiring circuit...
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Page 22: System Set Up
System Set Up System Set Up 5.1 dip Switch Functions Located on the FTC4 printed circuit board are 4 sets of small white switches known as Dip switches. The Dip switch number is printed on the circuit board next to the relevant switches. The word ON is printed on the circuit board and on the Dip switch block itself. -
Page 23: Connecting Inputs/Outputs
System Set Up 5.2 Connecting inputs/outputs CNP1(WHT) １ ２ CN01 When the wires are wired to adjacent terminals use ring terminals and insu- ３ (BLK) ４ late the wires. ５ TBO.1 ６ CN3C ７ ８ (BLU) CNV1 ９ (WHT) １０ １１... -
Page 24: Outputs
System Set Up Outputs name terminal block Connector item Signal/Max current Max. total current OUT1 TBO.1 3-4 CNP1 Water circulation pump 1 output (Space heating & DHW) 230V AC 1.0 A Max 3.0 A (a) OUT2 TBO.1 5-6 — Water circulation pump 2 output (Space heating for Zone1) OFF 230V AC 1.0 A Max OUT3 TBO.1 7-8... -
Page 25: Remote Controller Options
Control option B This option features the main controller and the Mitsubishi Electric thermistor wired to FTC4. The thermistor is used to monitor room temperature but can not make any changes in control operation. Any changes to DHW must be made using the main FTC4 controller mounted on the cylinder unit. -
Page 26: 2-Zone Temperature Control
The thermostat is wired to IN6 on FTC4. (If the thermostat is allocated to Zone1, it is wired to IN1 on TBI.1.) (Refer to 5.2.) Control option B This option features the main controller, the Mitsubishi Electric thermistor and a locally supplied thermostat that are wired to FTC4. Room temperature... -
Page 27: Remote Installation Of Main Controller
System Set Up remote installation of Main Controller The following instructions are related to a system controlled as in Control option C. Metal back plate <Accessory> Main controller cover <removing the main controller from the cylinder unit> 1. Open front panel of cylinder unit. (See Section 4.2.) 2. -
Page 28: Using Sd Memory Card
The microSD logo is a trademark of SD-3C, LLC. RP-SDP04GE1K Panasonic Oct. 2011 *1 To edit main controller settings or to check operating data, an Ecodan service Arvato 2GB PS8032 TSB 24nm MLC Jun. 2012 tool (for use with PC) is required. -
Page 29: Main Controller
System Set Up 5.6 Main Controller <Main controller parts> letter name Function Screen Screen in which all information is displayed Menu Access to system settings for initial set up and modifications. Return to previous menu. Back Confirm Used to select or save. (Enter key) Power/Holiday If system is switched off pressing once will turn system on. - Page 30 System Set Up <Main Controller Menu tree> Unrestricted access Installer only Initial Main screen Information Option Forced DHW ON/OFF ON/Prohibited/Timer Heating ON/Prohibited/Timer Holiday Active/Non active Set time Main menu Normal/Eco Edit DHW max. temp. DHW max. temp. drop DHW max. operation time DHW mode restriction Legionella Active/Non active...
- Page 31 System Set Up <Main Controller Menu tree> Initial Unrestricted access Main screen Installer only Main menu Service (Password protected) Manual operation Function settings Thermistor adjustment Auxiliary settings Economy settings for pump ON/OFF Delay Electric heater (Heating) ON/OFF Delay Electric heater (DHW) ON/OFF Delay Running...
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Page 32: Setting The Main Controller
System Set Up Setting the Main Controller After the power has been connected to the outdoor and cylinder units (See chap- ter 4.6) the initial system settings can be entered via the main controller. 1. Check all breakers and other safety devices are correctly installed and turn on power to the system. -
Page 33: Domestic Hot Water (Dhw)/Legionella Prevention
System Set Up 2. When 2-zone temperature control is active or wireless remote controllers are available, from Room RC zone select screen, select zone no. to assign to each remote controller. 3. From Sensor setting screen, select a room sensor to be used for monitoring the room temperature from Zone1 and Zone2 separately. - Page 34 System Set Up explanation of dHW operation • When the DHW tank temperature drops from “DHW max. temp” by more than dHW tank temp. the “DHW max. temperature drop” (set by installer), DHW mode operates and Stop the flow from the primary heating circuit is diverted to heat the water in the DHW max.
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Page 35: Heating
System Set Up Forced dHW The forced DHW function is used to force the system to operate in DHW mode. In normal operation the water in the DHW tank will be heated either to the set tem- perature or for the maximum DHW time, whichever occurs first. However should there be a high demand for hot water ‘Forced DHW’... -
Page 36: Holiday Mode
System Set Up Holiday mode Holiday mode can be activated in 2 ways. Both methods will result in the Holiday Mode activation screen being shown. Option 1. From the main menu screen button E should be pressed. Be careful not to hold down button E for too long as this will turn off the controller and system. - Page 37 System Set Up <Setting the schedule timer> 1. In the preview menu screen press F4 button. Preview screen 2. First select the days of the week you wish to schedule. 3. Press F2/F3 buttons to move between days and F1 to check or uncheck the box.
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Page 38: Service Menu
System Set Up Service Menu The service menu provides functions for use by installer or service engineer. It is NOT intended the home owner alters settings within this menu. It is for this reason password protection is required to prevent unauthorised access to the service settings. - Page 39 System Set Up Manual operation During the filling of the system the water circulation pump and 3-way valve can be manually overridden using manual operation mode. When manual operation is selected a small timer icon appears in the screen. The function selected will only remain in manual operation for a maximum of 2 hours.
- Page 40 System Set Up <Mixing valve control> From the Auxiliary settings menu highlight Mixing valve control. Press CONFIRM. The Mixing valve control screen is displayed. Use F1 and F2 buttons to set Running time between 30 to 240 seconds. The Running time equals to a period from full open of the valve (at a hot water mixing ratio of 100%) to full close (at a cold water mixing ratio of 100%).
- Page 41 System Set Up Operation settings To access the Operation settings menu use F1 and F2 buttons to scroll through the service menu until Operation settings is highlighted. Press CONFIRM. Operation settings menu is displayed. Operation settings menu screen <Freeze stat function> From the Auxiliary settings menu highlight Freeze Stat Function.
- Page 42 System Set Up <room temp Control (Heating)> This function allows operational setting of flow temperature range from the Ecodan and also the time interval at which the FTC4 collects and processes data for the auto adap- tation mode. From the Operation settings menu use F1 and F2 buttons to scroll through the list until Room temp.
- Page 43 System Set Up external input settings From the service menu use F1 and F2 buttons to highlight External input settings then press CONFIRM. <demand control (in4)> From the External input settings menu highlight Demand control (IN4). Press CONFIRM. The Demand control screen is displayed. External input settings menu screen Press F3 button to select Heat source OFF or Boiler.
- Page 44 Press F3 button to confirm manual reset of chosen device. Sd card The use of an SD memory card simplifies the main controller settings in the field. *Ecodan service tool (for use with PC tool) is necessary for the setting. <Sd Main rC>...
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Page 45: Commissioning
Commissioning Pre-commissioning exercises- potable/dHW circuit Initial fill procedure: Ensure all pipe joints and fittings are tight and secure. Open the most distant DHW tap/outlet. Slowly/gradually open the mains water supply to begin filling unit and DHW pipework. Allow most distant tap to run free and release/purge residual air from installation. Close tap/outlet to retain fully charged system. -
Page 46: Service And Maintenance
Servicing and maintenance of the result in damage to the cylinder unit and injury to the person. outdoor unit should only be done by a Mitsubishi Electric trained technician with * Building regulations – England & Wales Part G3, Scotland P3, Northern Ireland relevant qualifications and experience. -
Page 47: Error Codes
Service and Maintenance error Codes Code error Action Flow rate may be reduced check for; • Water leakage Circulation water temperature overheat protection • Strainer blockage • Water circulation pump function (Error code may display during filling of primary circuit, complete filling and reset error code.) DHW tank water temperature overheat protection Check the immersion heater and it’s contactor. -
Page 48: Annual Maintenance
Annual Maintenance It is essential that the cylinder unit is serviced at least once a year by a qualified individual any spare parts required should be purchased from Mitsubishi Electric. neVer by- pass safety devices or operate the unit without them being fully operational. -
Page 49: Engineers Forms
Service and Maintenance engineers Forms Should settings be changed from default, please enter and record new setting in ‘Field Setting’ column. This will ease resetting in the future should the system use change or the circuit board need to be replaced. Commissioning/Field settings record sheet default set- Field... -
Page 50: Supplementary Information
Service and Maintenance engineers Forms Commissioning/Field settings record sheet (continued from the previous page) default Field Main controller screen Parameters notes setting setting Service menu Heat source setting Standard/Heater/Boiler/Hybrid *3 Standard Operation settings Freeze stat function Outdoor ambient temp. (3 - 20°C) 5°C Simultaneous On/Off *4... - Page 51 Authorized representative in EU: MITSUBISHI ELECTRIC EUROPE B.V. HARMAN HOUSE, 1 GEORGE STREET, UXBRIDGE, MIDDLESEX UB8 1QQ, U.K. This product is made by Mitsubishi Electric Air Conditioning Systems Europe Ltd.: NETTLEHILL Rd, HOUSTOUN IND ESTATE, LIVINGSTON, EH54 5EQ, UK BH79D290H02...