Mitsubishi Heavy Industries ESA30E series, User Manual

Page 1: ...ansfer this manual and the Installation Manual to a new owner It is not recommended for a user to install or move the unit by the user s own discretion Safety or functions may not be assured The emission sound pressure level from the heat pump unit is under 70dB A Thank you very much for your purchasing the heat pump water heater for com mercial use PJZ012A093A Natural refrigerant CO2 Heat Pump Wa...

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Page 3: ...asure for anti freeze water in winter 51 When stopping the unit for long period 51 When power failure occurs 51 When error happens 52 Notice of next service date 56 When the Periodical check is displayed 57 After sales Service 57 Specifications 58 EC DECLARATION OF CONFORMITY 59 In order to protect the heat pump unit be sure to turn the power on at least 6 hours before starting operation Supply th...

Page 4: ... follow the instructions given Be sure to ground the unit Absolutely keep wet hands away Absolutely keep water away Keep this manual at a safe place where you can consult with whenever necessary Show this manual to installers when moving or repairing the unit When the ownership of the unit is transferred this manual and the Installation Manual should be given to a new owner Electrical wiring work ...

Page 5: ...cause breakage ignition or fire Do not operate HP unit or remote control whose panel or cover is kept opened Operation with the electric live part kept opened may cause electric shocks fire The unit should not be used in inappropriate environment Using the unit at the following places could deteriorate its performance significantly or cause electic shocks break down smoke or fire as a result of co...

Page 6: ... installed it The remote control should not be installed where it is exposed to direct sunlight or the ambient temperarures become higher than 40 C or lower than 0 C It could cause deformation discoloration or break down CAUTION The drain pipe work shall be done in order for the drain water to drain off without fail Improper drain pipe work may cause getting the household goods wet in flooded wate...

Page 7: ...r to check the hot water temperature It may cause a scald Do not change setting or cancel the protection device Change setting or cancelation of protection device may cause fire electric shocks or injury When using the unit together with combustion appliance be sure to ventilate frequently Insufficient ventilation may cause oxygen deficiency accident Do not insert your fingers or any sticks into t...

Page 8: ... cause failure smoke or fire Do not use the base frame for installing unit which is corroded or damaged after long term use If leaving it corroded or damaged it may cause a fall of the unit or injury Do not ride on the unit or put something on the unit It may cause falling or turnover Do not put anything which will be troubled by getting wet under or near the unit If dew condenses on the unit refr...

Page 9: ...s Be sure to use only the fuse with proper capacity If steel wire or copper wire is used it may cause malfunction of the unit or fire Do not make the unit run or stopped with power switch It may cause fire or water leak And if the auto restart function is set Valid it may cause injury by sudden rotation of the fan Do not use the water for drinking It may affect the health Do not leave the water pi...

Page 10: ... please ask inspection This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance sha...

Page 11: ... of the unit it may cause malfunction electric shocks and fire Do not use any refrigerant other than the specified refrigerant CO2 The maximum high pressure is 14MPa If using the refrigerant which is not specified it may cause fire or explosion When repairing or inspecting the unit be sure to stop the unit and shut off the breaker If the power breaker is not shut off it may cause electric shocks o...

Page 12: ...ection control activated frequently Is the hot water supplying capacity reduced 1 10 years Strainer Temp difference between inlet and outlet ports of strainer Is there any temperature drop at outlet port of strainer 1 At heavy service Capillary tube Contact wear vibration 1 10 years Refrigerant pipe Contact wear vibration 1 10 years Components of electrical circuit Relay Behavior contact resistanc...

Page 13: ...ms pH 25 C 7 0 8 0 7 0 8 0 Electric conductivity 25 C mS m 30 30 Chloride ion mgCL L 30 30 Sulphate ion mgSO4 2 L 30 30 Acid consumption pH4 8 mgCaCO3 L 50 50 Sulphate ion Acid consumption 0 5 0 5 Total hardness mgCaCO3 L 70 70 Calcium hardness mgCaCO3 L 50 50 Ionic silica mgSiO2 L 30 30 Reference items Iron mgFe L 1 0 0 3 Copper mgCu L 1 0 0 1 Sulphide ion mgS2 L Not detected Not detected Ammoniu...

Page 14: ...heat energy retrieved from the outdoor air heats up the refrigerant and such refrigerant circulated in the system increases the water temperature Therefore the heating amount to be given to the hot water as heating energy is The power consumption of heat pump unit the heat retrieved from the air Accordingly the consumed energy efficiency becomes more than 1 one In other words so that this system a...

Page 15: ...e Peak cut timer It is available to prohibit or save operation of the heat pump unit at the designated time The contract amount of power can be reduced by applying peak cut operation of heat pump unit according to the power demand Hot water amount setting The hot water amount at each set time can be increased or decreased uniformly on the day of a week basis In case that the usage amount of hot wa...

Page 16: ...ay can be set From 0 to 80 at 20 intervals of the saving rate of capacity can be selected The clock setting is required Page 29 Checking of operation pattern The current operation pattern can be checked Page 32 Operation to fill up The heat pump unit is operated until the hot water storage unit is filled with hot water up to 100 Page 33 Setting of hot water temp Hot water temp can be set Page 22 S...

Page 17: ...e 41 Administrator settings Enable Disable setting Permission Prohibition setting of each operation can be set Page 42 Night tariff setting In order to calculate the power consumption in day night time the time zone applied night tariff can be set Page 43 HP unit selection The heat pump unit to be displayed on RC can be selected If not selected RC select a heat pump unit automatically Page 43 RC d...

Page 18: ...klight The backlight turns off automatically if there is no operation for certain period of time Lighting period of the backlight lighting can be changed Page 42 If the backlight is ON setting when the screen is tapped while the backlight is turned off the backlight only is turned on Operations with switches and are excluded Touch panel system which is operated by tapping the LCD screen with a fin...

Page 19: ... set button Page 34 The current HW amount is displayed If set HW amount More or Less tap this button Despite no use of hot water there is a case that the display of HW amount may decrease Because the display of HW amount shows the HW temp in the HW storage unit whose temp is 50 C or higher If leaving hot water for long period without use HW is getting colder and HW amount if going to decrease This...

Page 20: ...Refer to Page 39 Enable Disable setting Refer to Page 42 Night tariff setting Refer to Page 43 HP unit selection Refer to Page 43 RC display setting Refer to Page 44 Step size of HW temp Refer to Page 47 Administrator password setting Refer to Page 47 User environment Refer to Page 48 Refer to Page 42 Administrator settings Refer to Page 49 Check of RC setting Refer to Page 56 Contact company Top ...

Page 21: ...ual As for setting method please refer to the installation manual Installation date Company information Test run Main menu Installation setting Main Sub of RC External input Auto restart RC function settings No display of unit Next service date Error display Save operation data Special settings System off Service Maintenance ...

Page 22: ...operation Hot water operation method The heat pump unit is operated according to the setting of Hot water temp Target hot water amount at each time zone and Hot water amount set with remote control Explanation of hot water operation method If the current HW amount is less than the target HW amount at current time zone the heat pump unit is operated to top up The hot water temp at the operation to ...

Page 23: ...ing each operation button on the screen is lit off And after the set lighting time of the backlight Page 41 has been elapsed the backlight turns off When tapping the screen backlight turns on and each operation button is put the light on There is a case that the message of Invalid operation may display when tapping a button However it is not a malfunction The operation button is set as Invalid Pag...

Page 24: ...reen If 9 or more units are connected the 9th and the subsequent units are displayed by tapping Next button 4 Set the HW temp by tapping buttons and tap Set button 5 The TOP screen is displayed when tapping Set button The HW temp can be set at 5 C intervals HW temp setting range From 60 to 90 C Factory default 65 C If tapping Back button without tapping Set button the setting becomes invalid and i...

Page 25: ...ration pattern See page 24 for detail The target HW amount at each time zone for each day can be set The operation pattern can easily be set from the setting of User environment Page 48 4 Setting of day off See page 27 for detail By setting day off the heat pump unit operation to top up can be invalid on the day set day off It is available to set day off Every week Specific period of time Specific...

Page 26: ...y off the hot water storage operation is not done Multiple selections of day off settings are available 3 The selection screen of Weekly timer is displayed Tap the item of setting day Weekdays From Monday to Friday Sat Sun Saturday and Sunday Go to 6 All days From Monday to Sunday Each day Go to the Day selection screen Go to 4 2 The menu screen of Setting of schedule is displayed Tap the Setting ...

Page 27: ...me is set and it return to the Checking of operation pattern screen Go to 9 If changing the set time of weekdays select the Weekdays Go to 3 and change the time Time setting range The time can be changed within the range show in following table Defaultsetting Setting range 1 22 00 22 00 23 00 2 0 00 from 0 00 to 3 00 3 4 00 from 4 00 to 7 00 4 8 00 8 00 9 00 5 10 00 from 10 00 to 12 00 6 13 00 fro...

Page 28: ...pcs 1 Tht 1 20 20 20 10 20 10 10 Tht 2 60 50 40 30 30 20 20 Tht 3 100 2 75 60 40 40 30 30 Tht 4 100 2 80 60 50 50 40 Tht 5 100 2 70 65 60 50 Tht 6 100 2 80 70 60 Tht 7 100 2 80 70 Tht 8 100 2 80 Tht 9 100 2 1 Recommendable number of sensors is 9pcs If the number of sensors is less than 9pcs the hot water amount cannot be detected correctly 2 The sensor which detects 100 of HW amount shall be appli...

Page 29: ...p the Setting of day off 4 The detail screen of Setting of periodical off day is displayed Switch the setting Valid Invalid by tapping Valid Invalid button If changing the set contents tap Change button Go to 5 When tapping Set button the contents are saved and return to the TOP screen 3 The menu screen of Setting of day off is displayed Tap the desired period Set every week Go to item 5 on Page 2...

Page 30: ... is displayed Go to 4 8 The detail screen of Setting of specific day screen is displayed If changing the set contents select the line of setting No and tap Change button Go to 10 9 When tapping Set button the set contents are saved and it returns to the TOP screen 10 Set the Setting of day off Tap Valid Invalid button and switch the setting Valid Invalid Set the dd mm yy by tapping buttons 11 When...

Page 31: ...day set invalid the peak cut operation is not done Multiple selections of invalid settings are available 3 The selection screen of Peak cut timer is displayed Tap the item of setting day Weekdays From Monday to Friday Sat Sun Saturday and Sunday Go to 6 All days From Monday to Sunday Each day Go to the Day selection screen Go to 4 2 The menu screen of Seting of schedule is displayed Tap the Settin...

Page 32: ...cut on the day selected 9 Set the End time Set the Hour Minute by tapping buttons The End time can be set at 5 minute intervals from 5 minutes after the Start time up to 24 00 After setting the time tap Set button Go to 11 8 Set the Start time Set the Hour Minute by tapping buttons The Start time can be set at 5 minute intervals After setting the time tap Set button Go to 9 7 The detail screen of ...

Page 33: ...he Checking of setting contents on the day is displayed Go to 6 When saving the setting tap Set button In case of setting all It shifts to the All set contents acknowledge screen Go to 14 In case of individual setting Save the setting and shift to the Day selection screen Go to 4 11 The Checking of set contents screen is displayed Go to 7 When tapping Set button the set contents are confirmed and ...

Page 34: ...reen of Setting of schedule is displayed Tap the Checking of peration pattern 3 Tap the day to be set on the display The current setting contents of the day tapped are displayed 4 The Checking of set contents screen is displayed When tapping Next button the next setting content is displayed If changing the set contents check the Way to set operation pattern Go to 6 on Page 25 ...

Page 35: ...ration to fill up starts and the TOP screen is displayed 3 End operation The heat pump unit keeps operation until the Operation to fill up becomes end However the Operation to fill up can be interrupted with following procedure Push Operation to fill up switch and tap Finish buttonon the Operation to fill up acknowledge screen Go to 4 Make the operation in Pause by pushing Run Pause switch Even if...

Page 36: ...setting More or Less the set result is displayed at the message display section on the TOP screen In case of Usual not set to increase or decrease the massageis not displayed 0 14 00 8 00 22 00 100 50 22 00 Less X 0 8 Less X 0 8 Less X 0 8 If selecting Usual the HW amount set with Operation pattern setting is target amount The default setting is Normal on all days If selecting More or Less set wit...

Page 37: ... display section on the TOP screen 2 If displaying the Usage of HW amount on yesterday or switching the heat pump unit to be display tap the Usage of HW amount section 3 The Display usage of HW amount screen is displayed Tap Yesterday button and display the Usage of HW amount of yesyerday Go to 4 Tap HP address button and select the HP unit to be displayed Go to 5 4 The Display usage of HW amount ...

Page 38: ...mote control Please set them with Main remote control In case of setting with Sub remote control the icon is displayed on the TOP screen Setting of HW temp Setting of HW amount Setting of schedule Administrator settings More information Limited items for Sub remote control Operation method for menu manipulation ...

Page 39: ... is displayed If there are multiple pages the Next button on the first page and the Previous button on the last page are displayed 3 When tapping Back button it returns to the TOP screen 4 On the setting screen of each item if the Set button is placed the setting content can be confirmed by tapping Set button How to operate on the menu screen ...

Page 40: ...ay of setting the set contents becomes invalid and it returns to the last previous screen And if pushing Run Pause switch on the way of setting the set content becomes invalid and it returns to the TOP screen after ending this setting mode If no button operation is done for about 5 minutes on the way of setting each item it returns to the TOP screen automatically and the content going to set becom...

Page 41: ...date if the time and date is not set correctly the hot water storage operation cannot be done correctly 2 Set Hour Minute by tapping buttons After setting tap Set button When change Date tap Date button 2 The menu screen of Initial settings is displayed tap the desired item Clock setting Go to Page 39 Date and time display Go to Page 40 Contrast Go to Page 40 Backlight Go to Page 41 Controller sou...

Page 42: ...et 24H In case of 3 50 in the afternoon it is displayed as 15 50 Position of AM PM Set Infront It is displayed as PM 3 50 Set Back It is displayed as 3 50 PM 2 After setting each item tap Set button How to set date and time display 1 When tapping Contrast on the Initial settings menu screen the Contrast setting screen is displayed When tapping Dark or Bright button the contrast on the screen is ch...

Page 43: ...sounds 1 When tapping Backlight on the Initial settings menu screen the Backlight setting screen is displayed Please set ON OFF of Backlight and its lighting time From 5sec to 90 sec at 5 sec intervals ON When tapping the LCD Backlight is lit on If no operation is done during the set time period Backlight is lit off automatically OFF Even if tapping the LCD Backlight is not lit on 2 After setting ...

Page 44: ...istrator password is required The behavior at prohibition setting Run Pause Prohibit Run Pause operation Change set temp Request to enter administrator password at setting change Change amount to top up Request to enter administrator password at setting change Manual operation to fill up Prohibit to start manual opeartion to fill up Setting of schedule Request to enter administrator password at se...

Page 45: ...P unit selection on the Administrator settings menu screen the HP unit selection screen is displayed If change the HP unit displayed on RC select the HP unit to be displayed and tap Set button If not selecting the HP unit displayed on RC tap Valid button and switch to Invalid After that tap Set button In case of Invalid setting the HP unit to be displayed is selected automatically On the HP unit s...

Page 46: ... Set the Name of RC displayed on the TOP screen Name of RC can be set with up to 9 2 byte letters 18 1 byte letters It can use alphabet or numeric letter When each button is tapped allowable letters to be entered are displayed Select letters to be input one by one on the screen Tap Back Next button to display next candidate When the Delete button is tapped selected letters are deleted one by one W...

Page 47: ...ame of HP unit can be entered up to 4 2 byte 8 1 byte9 letters When the input is over tap Set button 4 Set the message of In operation for defrosting to be displayed or not When the operating conditions is to start frosting on the HP unit during its operation it is controlled to operate defrosting automatically Display During defrosting operation the message of In operation for defrosting is displ...

Page 48: ...nt cannot reach to the set amount If the hot water is not stored up to the maximum of the set HW amount in one day operation pattern it judges that there is some possibility not to store the hot water according to the schedule and display the icon for the Status of HW amount If the icon is lit all the times please check whether the relation between the HW storage operation pattern and HW usage pat...

Page 49: ...ntervals 60 C 61 C 89 C 90 C How to change the step sized of HW temp The step size of the hot water temp can be changed 1 When tapping the Change administraor password on the Administrator settings menu screen the Change administrator password screen is displayed Enter the password 4 digit number and tap Set button 2 Change administrator password confirmation screen is displayed for 3sec and it re...

Page 50: ...ter saving the Setting of weekly operation pattern selection screen is displayed Go to 4 on Page 24 Target water level for the business model Time Default value Care home hospital Canteen Caffereria Restaurant Hotel Business hotel Sports club gym 22 00 100 60 60 60 40 40 40 0 00 100 100 100 100 100 100 100 4 00 100 100 100 100 100 100 100 8 00 30 80 80 80 80 40 100 10 00 30 50 60 80 70 40 80 13 00...

Page 51: ...n be done Displayed item No Item Set range 1 Operation mode Run Stop Pause 2 Hot water temp From 60 C to 90 C 3 Out of USE 4 Storage tank Type Unvented Open 5 Target HW amount From 10 to 100 6 HW amount setting Usual More Less 7 Peak cut 0 40 60 80 8 Peak cut setting Valid Invalid 9 Period of time off Valid Invalid 10 Specific day off Valid Invalid 11 Defrosting operation Display Hide 12 Status of...

Page 52: ...d the unit it may cause decreasing capacity or malfunction Washing the air to refrigerant heat exchanger When using the unit for long period the air to refrigerant heat exchange becomes dirty and it cannot operate properly Regarding the washing method please consult with the dealer where you purchased Cleaning the water circuit Please clean the strainer in the water circuit periodically Maintenanc...

Page 53: ...t pump unit and hot water storage unit When power failure occurs If power failure occurs and water may freeze shut off the main power and drain off from the heat pump unit and the hot water storage unit as well For maintenance Measure for anti freezing water in winter If the ambient temperature around the unit becomes below 0 C the water pipe may freeze and it may cause damage of the heat pump uni...

Page 54: ... storage operation water comes out from the HP unit A When the HP unit retrieve heat from the air dew condensation comes out And if the outdoor air temp is rather low much water comes out due to melting frost by defrost operation Q Hot water does not come out A If no hot water or no water comes out water in the pipe may be frozen Please consult with the dealer where you purchased If only water not...

Page 55: ... the dealer where you purchased Under protection stopping Check the content from Menu 1 The message of Under protection stopping is displayed at the message display section Tap Menu button 2 Error code is displayed on the Error display screen Check the error code and tap Contact button 3 Contact company screen is displayed Company name and Phone No If it was input in advance it can be displayed ...

Page 56: ...ing 1 time flash E45 1 Communication error between inverter PCB and control PCB CM1 High pressure anomaly HP switch 63H 1 activated E48 Keep flashing 1 time flash E48 1 Outdoor fan motor 1 anomaly FMo1 2 time flash E48 2 Outdoor fan motor 2 anomaly FMo2 E49 Keep flashing 1 time flash E49 1 Low pressure anomaly LP sensor PSL1 activated E51 Keep flashing 1 time flash E51 1 Power transistor 1 overhea...

Page 57: ...00hr Synchronizing with the timing of alarming by the simple remote monitoring equipment oPE 2 M2 In case that SW6 8 is OFF When the cumulative operation hours of compressor has elapsed 10 000hr since the last maintenance In case that SW6 8 is ON When the cumulative operation hours of compressor has elapsed 5 000hr since the last maintenance oPE 3 M3 When the cumulative operation hours of compress...

Page 58: ... the TOP screen If the Next service date is coming or the icon is displayed please contact to the contact company displayed on RC or the dealer where you purchased If the Next service date was set the screen at left is displayed at starting operation or ending operation When the Next service date has passed by the icon is displayed on the TOP screen From the menu screen the service contact can be ...

Page 59: ...ts for water circuit Periodical check 2 Please do periodical check of the parts for refrigerant circuit If keeping on using without doing emergency check it may cause damage of the heat pump unit When Periodical check is displayed Inform your dealer Model name Date of installation Failure conditions As precise as possible Your address name and telephone number Moving The Moving of the unit require...

Page 60: ...outlet Rc3 4 Copper 20A Drain water outlet Rc3 4 Copper 20A Electric wiring Earth leakage breaker 30A 30mA 0 1sec Power cable size 14 4 Length 40m Moulded case circuit breaker Rated corrent 30A switch capacity 30A Grounding wire size M6 Remote controller wire size 0 3mm2 2cores shielding wire MVVS Design pressure MPa High pressure 14 0 Low pressure 8 5 IP code IP24 Note 1 Performance of operation ...

Page 61: ... conforms with the following directives Relevant EC Directives Machinery Directive 2006 42 EC Applied Standards EN 378 2 EN 60335 1 EN 60335 2 40 Authorized representative in EU MITSUBISHI HEAVY INDUSTRIES AIR CONDITIONING EUROPE LTD 7 Roundwood Avenue Stockley Park Uxbridge Middlesex UB11 1AX United Kingdom Note About the detail of Conformity model see EC DECLARATION OF CONFORMITY sheet included ...

Page 62: ...shibiwajima cho Kiyosu Aichi 452 8561 Japan http www mhi co jp MITSUBISHI HEAVY INDUSTRIES AIR CONDITIONING EUROPE LTD 7 Roundwood Avenue Stockley Park Uxbridge Middlesex UB11 1AX United Kingdom Tel 44 20 7025 2750 Fax 44 20 7025 2751 http www mhiae com ...