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USER`S MANUAL - Mitsubishi Heavy Industries

1. Heating Radiator _ Floor _ Fan convector Cooling Other L_ Floor L Fan convector Not available External heat source Solar _ Gas _ Oil _ Wood _ Pellets _ Electricity Accessories Tank heater _ MH RG 10 _ ESV22 28 _ VCC22 28 __ ACK22 28 Settings Fill in the difference from default settings Menu Number Menu Type Description Setting Date Signed This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance Information about the installation Product information Hydrolution is a complete modern heat pump system that offers effective technical energy saving and reduced carbon dioxide emissions Heat production is safe and economical with integrated hot water heater immersion heater circulation pump and climate system in the indoor unit The heat is retrieved from the outdoor air through outdoor unit where the refrigerant circulated in a closed piping system transfers the heat from the heat source outdoor air
2. Silent mode time 7 7 N Return Return 8 6 N Return 8 5 2 U Max time for HW 8 5 3 U Return 23 Control Main menus Menu 1 0 N Hot water temp The current hot water temperature in the vessel is shown here Figure on left shows the one in the middle and right one in brackets shows the one on the bottom Menu 2 0 N Supply temp The current supply temperature for the heating system is shown here with the calculated supply temperature in brackets Menu 3 0 N Supply temp 2 The current supply temperature for heating system 2 is shown here with the calculated supply temperature in brackets Menu 4 0 N Outdoor temp The current outdoor air temperature is displayed here Menu 5 0 N Heat pump The outdoor operation data are shown in the sub menus to this menu The following text appears in the display Text Means Off Shown when there is no compressor demand and none of the following apply On Shown during normal operation with the com pressor Initiates Shown while the compressor is running Com problem Shown in the event of temporary communica tion problems Defrosting Shown during defrost Oil return Shown when the compressor is rotated to be lubricated Protection Shown when the compressor is in some form of protection or during a start delay of 30 minu tes Shutdown Shown in the event of an alar
3. 6 0 N Room temperature 6 1 U Room compensation 6 2 U Heating system 6 3 N Room temp setpoint 6 4 U Room temp avg 1min 6 5 U Room integrator time 6 6 N Return 5 16 N Return 5 14 2 U Inverter temp Tho IP 5 14 3 U Return 22 Requires accessory and activation in menu 9 3 6 7 0 N Clock 7 1 N Date 7 2 N Time 7 3 0 U Temp set back 7 3 1 U Set back time 8 0 N Other adjustments 8 1 0 N Display settings N Control Menu type 7 4 0 U Extra hot water U Set back temp Heating system Return XHW Monday 8 2 0 N Op mode settings Language Display contrast Light intensity 8 1 3 N Return 7 5 0 U Vacation set back XHW Tuesday XHW Wednesday XHW Thursday XHW Friday XHW Saturday XHW Sunday 8 3 0 U Current limiter Stop temp heating Start temp cooling Hysteresis Return Fuse size Return Vacation begins 7 6 0 N Silent mode Vacation ends Heating system Offset heating curve HW off Return 8 5 0 U Period settings Max electric power Current phase 1 Current phase 2 Current phase 3 Transform ratio EBV Return Period time
4. Wait one day between settings so as to stabilise the temperatures Comfort setting heating Setting with diagrams The diagram shows the relation between the outdoor temperature in the area and the target supply water temperature of the heating system This is set under menu 2 1 2 Heating curve Limitations which are not in the diagrams can be set in the control system s permitted min and max temperatures See menu 2 1 4 and 2 3 as well as 3 3 and 3 4 Heating curve offset 2 HEATING CURVE 151413 12 11 10 g 8 T 7 o n l 2 6 E 5 Te ae j a a 43 E 5 Ze a A A A A ua 10 0 10 20 30 40 C 5 Outdoor temperature OFFSET HEAT CURVE Heating curve offset 0 HEATING CURVE 70 151413 12 11 10 9 2 2 g o 2 2 gt 2 2 77 5 10 0 10 20 30 40 C 5 Outdoor temperature OFFSET HEAT CURVE Heating curve offset 2 HEATING CURVE C 2 70 151413 12 11 10 9 o 2 3 2 fi g o Q E fo 2 2 a 2 3 7 5 10 0 10 20 30 40 C 5 Outdoor temperature OFFSET HEAT CURVE 11 Comfort setting heating Readjusting the default settings If the room temperature does not reach the target readjustment may be necessary Cold weather conditions m When the room temperature is too low
5. is found cut off the power and stop the operation Then consult your dealer If you use it as it stands it may lead to failure electric shock or fire One of the causes of poor cooling Q or poor heating may be refrigerant leakage Please consult your dealer If the repair requires additional refrigerant determine the service with the service staff The refrigerant of air conditioner is not toxic Normally the refrigerant does not leak But if it leaks and contacts fire such as fan heater space heater or cooking heater it may produce toxic chemicals Do not insert fingers or sticks even if S air blower does not operate It may suddenly operate and cause injuries Safety precautions A CAUTION Do not use for particular purpose such S as the storage of food animals and plants precision apparatus and arts etc Storage goods may degrade Do not operate the button with wet Qy hand S It may cause electric shock G When a burning appliance is used together with the unit ventilate frequently If ventilation is not sufficient it may cause oxygen deficiency accident Do not place a burning appliance where the airflow from the unit is directly blown in case fan coil is used It may cause the imperfect combustion of the equipment Make sure that the unit installation foundation is not damaged due to long term use If it is left to stand the unit may fall down causing injury
6. Also check the water heater safety valve regularly The appearance and location of the safety valve differs between different installations Contact your installer for information Pressure gauge in indoor unit The working range of the heating system is normally 0 5 1 5 bar when the system is closed Check this on the pressure gauge BPS Emptying the hot water heater The water heater is of the coil type and is drained using the siphon principle This can be done either via the drain valve on the incoming cold water pipe or by inserting a hose into the cold water connection Emptying the vessel Contact your installer if the vessel in indoor unit needs emptying Maintenance of outdoor unit Outdoor unit is equipped with control and monitoring equipment however some exterior maintenance is still necessary Make regular checks throughout the year that the inlet grille is not clogged by leaves snow or anything else During the cold months of the year check to make sure that there isn t a build up of ice or frost under outdoor unit Strong wind combined with heavy snowfall can block the intake and exhaust air grilles Make sure that there is no snow on the grilles Also check that the condensation water drain under outdoor unit is not blocked If necessary the outer casing can be cleaned using a damp cloth Care must be exercised so that the heat pump is not scratched when cleaning Avoid spraying water into the grilles
7. Display settings Settings concerning language and menu type are set in the sub menus to this menu Menu 8 1 1 N Menu type The menu type is chosen here N Normal covers the normal user s needs U Extended shows all menus except the service menus S Service shows all menus returns to normal menu level 30 minutes after the last button was pressed NOTE Incorrect settings in the service menus can damage the property and or heat pump Setting range N U S Menu 8 1 2 N Language Language settings are made here Menu 8 1 3 U Display contrast The display s contrast is set here Setting range 0 31 Menu 8 1 4 U Light intensity The light intensity in idle mode is set here Idle mode starts 30 minutes after the last button was pushed Setting range 0 off 1 low 2 average Menu 8 1 5 N Return Return to menu 8 1 0 Menu 8 2 0 N Op mode settings Settings regarding auto mode can be made in the sub menus to this menu Menu 8 2 1 N Allow add heat You can choose at which operating mode the electric heater is to be permitted to produce hot water and heat when needed Setting range Off Heating Heating Cooling Cooling Default values Heating Menu 8 2 2 N Add heat mode Selected if electric heater only is to be used to produce hot water and heat Setting range Off On 32 Menu 8 2 3 U Stop temp heating The average outdoor air temperature at which the heat p
8. Do not lean on the unit It may overturn or fall if it is placed on unstable surface and if may cause injury Do not wash the unit with water nor place a vase with water on the unit It may cause electric shock or ignition Do not install the unit where the airflow S is directly blown to animals and plants They may suffer from adverse effect Before cleaning make sure to stop Q operation and cut off the power The fan inside rotates at high speeds Make sure to use proper size of fuse S Using steel wire or copper wire may lead to failure or fire Do not store a flammable spray etc near S the unit nor blow directly to the unit It may lead to fire Before maintenance make sure to gt stop operation and cut off the power The fan inside rotates at high speeds Safety precautions When the unit isn t used for a long e term cut off the power The accumulation of dirt may lead to heat generation or fire But before resuming the operation turn on the unit for six hours beforehand to save harmless Do not place any object around the Q outdoor unit nor allow fallen leaves to pile up Fallen leaves may induce insects and worms in them and they may lead to failure ignition or smoking by touching electric components Do not place any other electric appliances S or household goods below or around the air conditioner Dripping from the unit may lead to failure
9. Key lock Language setting Comfort setting heating General Operating status Changing the room temperature manually Default Heating curve setting Readjusting the default settings Heating system 2 Vacation set back Silent mode Comfort setting with room sensor Comfort setting cooling General Cooling operated from the outdoor sensor in operating mode AutoC Comfort setting hot water Available volume Prioritizing Extra Hot Water Maintenance Checking the safety valves in indoor unit Pressure gauge in indoor unit Emptying the hot water heater Emptying the vessel Maintenance of outdoor unit Saving tips Dealing with comfort disruption Operating mode Add heat only Emergency mode Alarm indications What happens in the event of an alarm Recommended actions Resetting alarms NNN O O O O Ooo 13 13 14 14 15 19 19 19 Table of Contents Control Display Menu types Menu management Menu tree Main menus 1 0 N Hot water temp 2 0 N Supply temp 3 0 N Supply temp 2 4 0 N Outdoor temp 5 0 N Heat pump 6 0 N Room temperature 7 0 N Clock 8 0 N Other adjustments Checklist Checks before commissioning Safety precautions HN SAFETY PRECAUTIONS m Please read these SAFETY PRECAUTIONS before starting to use this product a
10. U Hot gas Tho D This menu shows the hotgas temperature in the heat pump Menu 5 9 U Liquid line temp This menu shows the liquid line temperature in the heat pump Menu 5 10 U Condensor out max Shows the current and max allowed temperature after the condenser Menu 5 11 U HP The current high pressure and corresponding temperature during heating are shown here During cooling the actual low pressure and corresponding temperature are shown Menu 5 12 U LP LPT The current low pressure is shown here Menu 5 13 U Fan speed No function Menu 5 14 0 U CompFreq act set The actual and set point value for the compressor frequency are shown here Menu 5 14 1 U OU current CT The present phase current to outdoor unit is shown here Menu 5 14 2 U Inverter temp Tho IP The current inverter temperature is shown here Menu 5 14 3 U Return Return to menu 5 14 0 29 Control Menu 5 16 N Return Return to menu 5 0 30 6 0 N Room temperature Requires accessory and activation in menu 9 3 6 Menu 6 1 U Room compensation A factor is selected here that determines how much the calculated supply temperature is affected by the difference between the room temperature and the set room temperature A higher value gives a greater change Setting range 0 10 0 Menu 6 2 U Heating system You select here whether the room sensor is valid for heating system menu 2 0 and or heating system 2
11. U Max supply temp 2 2 2 N Cooling curve 2 2 3 0 U Own cooling curve 2 2 3 1 U Supply temp at 20 2 2 4 U Min supply cooling 2 2 3 2 U Supply temp at 40 2 2 3 3 U Return 2 2 5 U Circ pump speed cool 2 2 6 N Return 2 4 U External adjustment 2 5 U Supply Return temp 2 6 U Degree minutes 2 7 N Return 21 Control 3 0 N Supply temp 2 3 1 N Offset heating Tot 2 3 2 N Heating curve 2 3 3 U Min supply temp 2 3 4 U Max supply temp 2 3 5 U External adjust 2 3 6 0 U Own heating curve 2 3 6 1 U Supply temp at 20 4 0 N Outdoor temp 4 1 N Outdoor avg temp 4 2 U Outdoor filter time 4 3 U Outdoor avg 1min 4 4 N Return 3 7 U Supply Return temp 2 3 6 2 U Supply temp at 20 3 6 4 U Supply t at buckl 3 6 3 U Buckling temperature 3 6 5 U Return 3 8 N Return 5 0 N Heat pump 5 1 N Number of starts 5 2 N Run time compressor 5 3 U Time to start 5 4 U Outdoor temp Tho A 5 5 U Heat Ex Tho R1 5 6 U Heat Ex Tho R2 U Suction temp Tho S 5 8 U Hot gas Tho D 5 9 U Liquid line temp 5 10 U Condensor out max 5 11 U HP 5 12 U LPLPT 5 13 U Fan speed 5 14 0 U CompFreq act set 5 14 1 U OU current CT
12. the fan may rotate suddenly causing injuries Do not strain the remote control S cord A part of core wire may be cut off causing electric leakage Do not use water heater etc near the indoor unit or remote control If a Vapor generating appliance is used near them it may lead to water drop causing electric leakage or short circuit Do not use the unit where powder or S fiber is floating Fine powder or fiber passing through the air filter may stagnate inside the unit and lead to electric leak or short circuit Do not place objects under the unit S which must avoid being exposed to water Over 80 percent humidity or the clogging of drain pipe may damage them through dew dropping u PRECAUTIONS FOR RELOCATION OR REPAIRING A CAUTION Never perform any modification Q Contact your dealer for repairing Improper repairing may lead to water leakage electric shock or fire Normally the refrigerant does not leak But if it leaks and contacts fire such as fan heater space heater or cooking heater it may produce toxic chemicals When repairing refrigerant leakage determine the service with the service staff that the repair has been finished without fault If it is required to relocation and reinstall the unit consult your dealer or a specialist Improper installation of air conditioning unit may cause water leakage electric shock and or fire Before repairing or checking indoor a un
13. 2 The present supply and return temperatures for heating system 2 are shown here Return temperature is shown in brackets Menu 3 8 N Return Return to menu 3 0 4 0 N Outdoor temp Menu 4 1 N Outdoor avg temp This menu shows the average outdoor temperature according to the set value in menu 4 2 factory setting 24h Menu 4 2 U Outdoor filter time Here you select during how long the average temperature in menu 4 1 is calculated Setting range 1 min 10 min 1h 2h 4h 6h 12h 24h Menu 4 3 U Outdoor avg 1min Shows the average outdoor temperature over the last minute Menu 4 4 N Return Return to menu 4 0 Control 5 0 N Heat pump Menu 5 1 N Number of starts The accumulated number of starts with the compressor in outdoor unit is shown here Menu 5 2 N Run time compressor The accumulated time that the compressor has been used in outdoor unit is shown here Menu 5 3 U Time to start Time until the compressor start in outdoor unit is shown in this menu Menu 5 4 U Outdoor temp Tho A This menu shows the outdoor air temperature that the heat pump measures Menu 5 5 U Heat Ex Tho R1 This menu shows the evaporator temperature in the heat pump at sensor Tho R1 Menu 5 6 U Heat Ex Tho R2 This menu shows the evaporator temperature in the heat pump at sensor Tho R2 Menu 5 7 U Suction temp Tho S This menu shows the suction gas temperature in the heat pump Menu 5 8
14. HMS140VA HMS140V gt MT300 Hot water volume 450 400 122 min m 350 gt 162 min E 300 gt 5 250 R 3 2 200 2 150 100 50 0 50 53 56 59 62 65 Stop temp HW C MT500 Hot water volume 1600 102 min 1400 S 1200 122 min 1000 Z 142 min 800 5 162 min i 600 ap Limi a 24 min 400 n 200 Stop temp HW C These graphs are based on the following conditions Inlet water temperature 15 C Outlet water temperature 40 C Outdoor air temperature 7 C Hot water Supply is unlimited in case 8 min at the condition as the capacity is bigger than hot water supply Prioritizing When the water temperature in the tank drops heat pump operation shifts to hot water production In case there is demand for both hot water and heating cooling for long time operation mode is periodically switched between hot water and heating cooling For details see menu 1 0 Hot water temp and 8 5 0 Period settings 14 Extra Hot Water In all Extra hot water functions the temperature of the hot water increases temporarily The temperature is first increased to an adjustable level by the compressor menu 1 5 and then the electric heater is energized until the water temperature reaches the stop temperature menu 1 4 Temporary Extra hot water is activated manually whilst time based ext
15. If the cooling system is set to On in menu 9 3 3 and the outdoor temperature is greater or equivalent to the set start temperature for cooling in menu 8 2 4 cooling starts Cooling stops when the outdoor temperature drops below the set value minus the set value in menu 8 2 5 The calculated supply water temperature is determined from the selected cooling curve in menu 2 2 2 and the offset for cooling curve menu 2 2 1 Limitations which are not in the diagram are included in the control system s permitted min temperature DA Sn Calculated supply water temperature S 0 20 30 40 C Outdoor temperature Comfort setting cooling 13 Comfort setting hot water Comfort setting hot water The integrated water heater is a coil model and is heated by circulating water which is heated by the heat pump During normal consumption it is enough to run the heat pump to supply the different tapping points of the house with hot water The temperature of the hot water in the water heater then varies between the set values Under section 1 0 N Hot water temp on page 25 there is a complete description of menu settings for hot water temperatures Available volume lt HMA100V HMA100VM gt Hot water volume 600 8 l min 500 S o g 209 12 min z 5 16 2 min 2 300 3 gt Q 200 nN 100 0 50 53 56 59 62 65 Stop temp HW C lt
16. low is displayed Menu 8 3 6 U Transform ratio EBV The transfer value must be defined depending on the current transformers used for the PCB Setting range 100 1250 Menu 8 3 7 U Return Return to menu 8 3 0 Menu 8 5 0 U Period settings Time periods for heating and hot water production are set in the sub menus for this menu Menu 8 5 1 U Period time You can set the length of cycle time for hot water production and heating in case there is demand for both Setting range 5 60 min Menu 8 5 2 U Max time for HW Here you select operation period for hot water of the period time 8 5 1 Setting range 0 60 min Menu 8 5 3 U Return Return to menu 8 5 0 Menu 8 6 N Return Return to menu 8 0 Control 33 Control Checklist Checks before commissioning Hot water Notes Checked Non return valve Is it installed in right direction Safety valve Is it installed in cold water line Mixer valve Is it installed in right direction Heating Notes Checked System volume Tank 2tSystem 2 Total 64 Safety valve Is FL2 installed Expansion vessel Total system volume x 5 ormore Internal heater Permitted prohibited Menu 8 2
17. or contamination Do not touch the aluminum fin S Otherwise it may lead to injuries Do not clean the inside of the indoor unit by yourself Make sure to consult Q your dealer or user inquiry counter specified by our company If you select incorrect detergent or improper method resin parts may be damaged and lead to water leakage If the detergent is dropped on the electric component or motor it may lead to failure smoking or ignition Do not place objects on the outdoor unit S nor mount on it It may lead to injuries resulting from dropping or falling During the operation or maintenance SO do not use an unstable footrest It may lead to injuries resulting from falling During thunderstorm stop the WA operation and turn off the switch A lightning strike may lead to failure After several seasons of operating Q inspections and maintenances are required except routine care and cleaning Accumulated dirt or dust inside the indoor unit may cause odor water leakage through the clogging of water discharging pipe for dehumidification Specialized information and skills are required for inspections and maintenances Therefore contact your dealer Do not use with inlet outlet grilles or S other panel removed Otherwise it may lead to injuries Do not operate or stop the unit by S using the power supply switch It may lead to fire or water leakage If auto restart is set effectively
18. 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 shall not be made by children without supervision This in accordance to applicable parts of the low voltage directive 2006 95 EC LVD HMS140VA HMS140V and its relevant outdoor unit and tanks are also intended for use by experts or trained users in shops hotels light industry on farms and in similar environments This in accordance to applicable parts of the machinery directive 2006 42 EC CE marking is applicable to the area of 50 Hz power supply The emission sound pressure level from each Indoor and Outdoor unit is under 70 dB A INSTALLATION PRECAUTIONS A DANGER Make sure to have the installation Q done by your dealer or a specialist If you install by yourself and the unit is not properly installed water leakage electric shock fire and injuries caused by the drop of the unit may occur The preventive measures that the density of leaked refrigerant does not exceed the limit is necessary in case of installing the unit in a small room The leakage of refrigerant may cause oxygen deficiency accident Consult your dealer for the measures A CAUTION Make sure to perform grounding D work D
19. the Heating curve value is increased in menu 2 1 2 by one increment m When the room temperature is too high the Heating curve value is decreased in menu 2 1 2 by one increment Warm weather conditions m Ifthe room temperature is low increase the Heating curve offset setting by one step clockwise m Ifthe room temperature is high reduce the Heating curve offset setting by one step anti clockwise Heating system 2 If the heating system has two different type of emitter like radiator and under floor heating it is possible to set two different calculated supply temperature System 1 for higher supply temperature can be set in menu 2 1 0 and system 2 for lower supply temperature can be set in menu 3 0 Vacation set back When you are away from home for a long time it is possible to set the target supply water temperature for heating lower than usual to save energy consumption Also it is possible to cancel hot water operation during the period For details see menu 7 5 0 Vacation set back Silent mode If you like to reduce noise from outdoor unit it is possible to do by reducing the compressor speed and fan speed in outdoor unit For details see menu 7 6 0 Silent mode 12 Comfort setting with room sensor If MH RG10 is installed operation mode is chosen not only by outdoor temperature but also by room temperature Upper limit of the outdoor temperature to operate in Heating mode can be s
20. the heat from the water and release the heat to the outdoor air the heat pump can cool instead if necessary Indoor unit determines when outdoor unit is to work and not to work using the collated data from the temperature sensor In the event of extra heat demands indoor unit can connect additional heat source in the form of the internal immersion heater or any connected external heat source Front panel indoor unit Front panel indoor unit Addition heat symbol Hot water symbol If the electrical addition is connected Hot water charging in progress T Electrical step 1 A Temporary Extra hot water operation in IT Electrical step 2 progress I II Electrical step 1 2 B Time based Extra hot water operation in TIT Electrical step 3 progress e g periodic Compressor symbol Circulation pump symbol Compressor is operational A Heating mode B Cooling mode Circulation pump in operation With two circulation pumps requires ESV 22 accessory the operating pump is also indicated Operating status Button pressing the change does not need to be confirmed with the enter button Current operating mode shown in display Further button press changes operating mode Press the enter button to return to the normal display mode Heating system symbol WI Heating in progress Description of current display For information about the various operating param
21. 1 External heat Source ha gt Type__ Setting Menu 9 2 8 Heating system 2 ka Cooling Notes Checked Pipe system condensation insulation Reversing valve ON12 Is it installed in right direction Refrigerant system Notes Checked Pipe length within 12m sm Height difference within 7m m Test pressurization 41 5 bar Leak tracing End pressure Evacuation 1 bar or lower for one hour Electrical installation Notes Checked Property s main fuse 3 1 phase____A Group fuse 3 1 phase____A Current limiter current sensor Is it installed properly if the power supply is 3 phase Accessories Notes Checked External circulation pump Yes No Buffer vessel Yes No Volume 4 Relief valve Yes No Room sensor ANO DE E Setting Menu 9 3 5 9 3 6 6 2 34 MEMO 35 36 MEMO A MITSUBISHI HEAVY INDUSTRIES LTD AIR CONDITIONING amp REFRIGERATION SYSTEMS 3 1 Asahi Nishibiwajima 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
22. Menu 7 4 1 7 4 7 U XHW Monday XHW Sunday Here you select the period for respective days when extra hot water should be activated Hours and minutes for both start and stop are shown Equal values mean that extra hot water is not activated Time can be set past midnight Setting range 00 00 23 45 Menu 7 4 8 U Return Return to menu 7 4 0 Menu 7 5 0 U Vacation set back Holiday settings are made in the sub menus to this menu When the holiday function is active the calculated supply line temperature is reduced according to the setting and hot water charging can be switched off When the holiday function is deactivated the heat pump operates hot water for an hour before periodic extra hot water is activated even if periodic extra hot water is activated in menu 1 7 Note The holiday setting does not deactivate cooling Control Menu 7 5 1 U Vacation begins The start date for holiday changing is set here The date is changed by pressing the enter button The holiday change starts applying at 00 00 on the selected date Same date in menu 7 5 1 and 7 5 2 deactivates the holiday function Menu 7 5 2 U Vacation ends The end date for holiday changing is set here The date is changed by pressing the enter button The holiday change stops applying at 23 59 on the selected date Same date in menu 7 5 1 and 7 5 2 deactivates the holiday function Menu 7 5 3 U Heating system The heating system to apply the v
23. USER S MANUAL MITSUBISHI HEAVY INDUSTRIES LTD Air to Water Heat Pump Hydrolution HM HMA100V HMA100VM FDCW71VNX A FDCW100VNX A HMS140VA HMS140V FDCW140VNX A MITSUBIS Hydrolution _ o a fi ua S us lt aa aa uu uu uu N m 7 A 1 or i Xy N m Bae m my 7 a Aa aa SRR I st S 5 b gt o n aj a a S RAS 9 SEN _ I lt MITSU E s BI n a lt AVY INDUSTRIES LTD AAN uu uu H ES LTD Se Z A lydrolution uu Ca AILI RAOR tiiin LUIS CTT TUPLE 4 O A C English Original instruction This heat pump complies with EMC Directive 2004 108 EC LV Directive 2006 95 EC and parts of Machinery Directive 2006 42 EC HMS140VA HMS140V and its relevant outdoor unit and tanks only CE marking is applicable to the area of 50 Hz power supply P S A 0 1 2 B 7 3 3 C Safety percautions General Installation data Information about the installation Product information Features of Hydrolution Principle of operation Hydrolution Front panel indoor unit How to use the front panel Menu types Quick movement
24. acation set back is selected here If heating system 2 is present the menu can be set to Off System 1 System 2 or System 1 2 In other cases only Off and System 1 can be selected Setting range Off System 1 System 2 System 1 2 Menu 7 5 4 U Offset heating curve How much the heating curve is to be offset during the holiday period is set here If the relevant heating system has a room sensor the change is given in degrees Setting range 10 10 Menu 7 5 5 U HW off You can choose if hot water operation is cancelled during the holiday period Setting range No Yes Menu 7 5 6 U Return Return to menu 7 5 0 Menu 7 6 0 N Silent mode Setting is made in the sub menu of this menu if Silent mode is activated on a certain period When the silent mode is activated maximum compressor speed and fan speed in outdoor unit is reduced in order to make the noise smaller Take note that the capacity is reduced by around 30 during silent mode It is valid in heating mode only Menu 7 6 1 N Silent mode time Here you select the period when the silent mode should be activated Hours and minutes for both start and stop are shown Equal values mean that the silent mode is not activated Time can be set past midnight Setting range 00 00 23 45 Menu 7 6 2 N Return Return to Menu 7 6 0 Menu 7 7 N Return Return to menu 7 0 31 Control 8 0 N Other adjustments Menu 8 1 0 N
25. any blown circuit and main fuses Possible earth circuit breaker tripped Reset the earth circuit breaker if the earth circuit breaker trips repeatedly call an electrician Switch SF1 set to mode 0 Set the switch to 1 Large hot water demand Wait a few hours and check if the hot water temperature rises Too low start temperature setting on the control system Adjust the start temperature setting in menu 1 2 Low room temperature Possible earth circuit breaker tripped Reset the earth circuit breaker if the earth circuit breaker trips repeatedly call an electrician Heat pump and immersion heater do not heat Check and replace any blown circuit and main fuses Incorrect setting of Heating curve offset and or Cooling curve offset Adjust the settings Check menu 2 1 1 2 1 2 for heating system 1 3 1 3 2 for heating system 2 2 1 1 2 2 2 for cooling system Stop temp heating setting is too low Adjust the setting Check menu 8 2 3 Circuit or main MCB tripped Check and replace blown fuses Heat pump in incorrect operating mode Hot water or Cooling Change operating mode to Auto or Au toC The current limiter has restricted the current because many power consumers are being used in the property Switch off one several of the power consu mers High room temperature Incorrect setting of Heating curv
26. ay be heard from a stopped indoor unit The air conditioning system Outdoor unit does not restart during the first 3 minutes after stopping operation This is because a cannot start operating again circuit for protecting the compressor is activated the fan is operating during this period immediately after stopping The outdoor unit discharges Water or steam is discharge during defrosting operation which removes frost built up on the surface of water or steam during the heat exchanger in the outdoor unit in heating mode heating operation The outdoor unit fan is not The fan speed is automatically controlled according to the ambient temperature It may be stopped in running even when the high ambient temperature in case of heating and in low ambient temperature in case of cooling Also system is in operation the fan is stopped during defrosting operation KESSI The fan will suddenly begin to operate even if it is stopped Do not insert finger and or stick Hissing sounds are heard These sounds are generated when the refrigerant valve inside the air conditioning system is activated when the operation is stopped or during defrost operation Operating mode Add heat only In the event of malfunctions that cause a low indoor temperature you can normally activate Add heat only in indoor unit which means that heating only occurs with the immersion heater Activate the mode by holding in the opera
27. e 10 10 Menu 2 1 2 N Heating curve The selected heating curve is shown here At value 0 the function Own heat curve is activated see menu 2 1 3 0 Setting range 0 20 Menu 2 1 3 0 U Own heating curve Here you can select your own curve definition This is an individual linear curve with one break point You select a break point and the associated temperatures Note The Heating curve in menu 2 1 2 must be set to 0 to activate this function Menu 2 1 3 1 U Supply temp at 20 The supply temperature at an outdoor air temperature of 20 C is selected here Setting range 0 80 C Limited by menu 2 3 Max supply temp Menu 2 1 3 2 U Supply temp at 20 The supply temperature at an outdoor air temperature of 20 C is selected here Setting range 0 80 C Limited by menu 2 3 Max supply temp Menu 2 1 3 3 U Buckling temperature Here you select at what outside air temperature the break point shall occur Setting range 15 15 C Menu 2 1 3 4 U Supply t at buckl You set the calculated supply temperature for the break point here Setting range 0 80 C Limited by menu 2 3 Max supply temp Menu 2 1 3 5 U Return Return to menu 2 1 3 0 26 Menu 2 1 4 U Min supply heating The set minimum level for the supply temperature to the heating system is shown here The calculated flow temperature never drops below the set level irrespective of the outd
28. e offset and or Cooling curve offset Adjust the settings Check menu 2 1 1 2 1 2 for heating system 1 3 1 3 2 2 1 1 2 2 2 for cooling system for heating system 2 Heat pump in incorrect operating mode Change operating mode to AutoC Start temp cooling setting is too high Adjust the setting Check menu 8 2 4 Heat load is too high Remove the excess heat load The compressor does not start Minimum time between compressor starts alternatively time after power switch on not being achieved Wait 30 minutes and check if the compressor starts Alarm tripped See section Alarms Alarm cannot be reset Activate operating mode Add heat only Panel gone out Check and replace any blown circuit andmain fuses Check that the circuit breaker to the indoor unit is not off Set switch SF1 to standby AS 17 Dealing with comfort disruption The phenomena mentioned below is not malfunction The air conditioning system Sounds of rustling or gurgling may be heard when the operation is started when the compressor is sounds as if water is activated deactivated during operation or when the operation is stopped These are the sounds of the draining from it refrigerant flowing through the system Sounds of rustling or These sounds can be heard when the air conditioning system is performing automatic control gurgling m
29. e when the heat pump stops hot water charging is set here Setting range 30 60 C Menu 1 4 U Stop temperature XHW The desired temperature during extra hot water is set here Setting range 40 65 C Menu 1 5 U Heat pump stop XHW The desired stop temperature during extra hot water for the heat pump is set here Setting range 40 60 C Menu 1 6 U Max heat p time XHW Here you select the maximum amount of time the heat pump can charge hot water for during extra hot water Setting range 0 60 min Menu 1 7 U Interval XHW Periodic time based extra hot water is selected here Extra hot water is shut off at the value Off Extra hot water is started when the value is confirmed Setting range 0 90 days Menu 1 8 U Next XHW action Time to the next periodic Extra hot water operation is shown here Menu 1 9 U HW run time Shows how long hot water charging with the compressor has been in progress accumulated Menu 1 12 N Return Return to menu 1 0 Control 25 Control 2 0 N Supply temp Menu 2 1 0 N Heating settings Heating settings are made in the sub menus for this menu Menu 2 1 1 N Offset heating Total The selected heating curve offset is shown here The total offset of the heat curve is also shown here It includeschedule outer compensation and any room control Note The value is changed using the Heating curve offset knob Setting rang
30. et in menu 8 2 3 Stop temp Heating Lower limit of the outdoor temperature to operate in Cooling mode can be set in menu 8 2 4 Start temp Cooling Target room temperature can be adjusted by turning the knob on MH RG1O and it is displayed in menu 6 3 For details see instruction manual for MH RG10 The below figure shows an example of mode transition NOTE Mode transition wouldn t happen even if MH RG10 is installed in case Heating or Cooling mode is chosen Choose Auto or AutoC in case room sensor is used A Qo Hot water production Cooling 3 i D Target 8 __ room temp 2 63 E Heatin 8 I 8 a 1 ji l gt Stop temp Start temp Heating 8 2 3 Cooling 8 2 4 Outdoor temperature Mode transition in case AutoC is chosen MH RG10 Comfort setting cooling General In the default setting cooling operation is not allowed In order to activate change the setting on the menu 9 3 3 Cooling system to On NOTE The climate system must manage cooling operation Setting must be made by the installer when commissioning the system Settings must be made by the installer when commissioning the system If a room sensor is connected it starts and stops cooling based on both the room and the outdoor temperature The lowest calculated supply water temperature is set in menu 2 2 4 Cooling operated from the outdoor sensor in operating mode AutoC
31. eter modes see the different sections regarding comfort settings Information symbols 1 0 Menu number Extra hot water KHW Extra hot water operation starts with this button The operation is cancelled when the button is pressed again The change does not need to be confirmed with the Enter button 2 Key lock activated Plus button Scroll forward in the menu system Increase the value of the selected parameter See the section Control General Menu 1 0 Pressing the button takes you directly to menu 1 0 Minus button Offset heating curve Turning clockwise offsets the Heating curve When the knob is turned menu 2 0 is shown on the display and the value for the calculated supply temperature changes For details see Default Heating curve setting Scroll back in the menu system Reduce the value of the selected parameter See the section Control General Enter button Entering lower layer in the menu system Parameter change activated Parameter change confirmed Switch See the section Control General 1 Normal mode All control functions connected Status lamp 0 Shutdown s During normal operation the status lamp lights green In the event of an alarm it lights red AS Emergency mode Only the circulation pump and electric heater electrical step 2 are operati
32. he operating mode Add heat only can be activated to resume a normal temperature level in the house This is most easily carried out by holding the Operating mode button in for 7 seconds NOTE Recurring alarms mean that there is a fault in the installation Contact your installer 19 Control Control Display Operating symbols Menu number Value of the current parameter A Hil AB Hl lt 5 QO m Sion C Hot water temp a z Menu N Key lock 13 43 Clock Menu types Control is classified into different menu types depending on how deep into the controls you need to go Normal NJ The settings you as a customer often need Extended U Shows all detailed menus except the service menus Menu management 20 The Plus button is used to move forward to the next menu on the current menu level and to increase the value of the parameter in menus where this is possible The Minus button is used to move back to the previous menu on the current menu level and to decrease the value of the parameter in menus where this is possible The Enter button is used to select submenus of the current menu to permit parameters to be changed and to confirm any changes to parameters When the menu number ends with a zero this indicates that there is a submenu Changing parameters In order to change a parameter value 1 2 Access the reguired menu Pres
33. it be sure to turn off Indoor unit power supply breaker It can result in electric shock or injury due to rotation of indoor unit fan if you perform check or repair with the Indoor unit power supply breaker turned on Place the panels removed for Q repairing or checking on the stable spot Otherwise dropping or falling may lead to injury Safety precautions General General Hydrolution is a system for heating cooling and producing hot water for small houses The system consists of an outdoor nuit which utilises the energy in the outdoor air and sends it to the indoor unit which takes care of the regulation and heat distribution in the house In order to get the greatest benefit from the system Hydrolution you should read through the User s Manual Hydrolution is a quality system offering a long service life and reliable operation NOTE Do not vent R410A into the atmosphere R410A is a fluorinated greenhouse gas covered by the Kyoto Protocol with a Global Warming Potential GWP 1975 Installation data Completed by the installation engineer when the installation is installed Installation data and installation check list on page 34 must be filled in by the installer in order for the warranty to apply The Serial number must always be stated in all correspondence with MHI Indoor unit Outdoor unit Installation date Check list page 34 filled in Installation engineers
34. ling Heat pump is used for cooling only if electric heater use is allowed Otherwise it is used for both cooling and hot water The circulation pump is in operation the entire time 5 Hot water Only hot water is produced Only the compressor is operational 6 Add Heat only Heat pump is not operational The function is activated deactivated by pressing in the operating mode button for 7 seconds To use the cooling functions the system must be designed to withstand low temperatures and cooling must be activated in menu 9 3 3 Changing the room temperature manually If you want to temporarily or permanently increase or lower the indoor temperature turn the Offset heating curve knob clockwise to increase or anticlockwise to lower One line approximately represents degree change in room temperature NOTE An increase in the room temperature may be inhibited by the radiator or underfloor heating thermostats if so these must be set at 0 Default Heating curve setting The basic heating is set using menu 2 1 2 and with the Heating curve offset knob If the room temperature does not reach the target readjustment may be necessary If you do not know the correct settings use the basic data from the automatic heating control system diagram on the right Heating curve Bo lar Menu 2 1 2 Heating curve Offset heating curve Heating curve offset for system 2 can be made in menu 3 1 NOTE
35. m tariff B or Operating mode Addition only Stopped Shown when the outdoor temperature is outsi de the compressor s working range too high or too low temperature Menu 6 0 N Room temperature The room temperature is shown here and the set room temperature in brackets The factor for the room sensor and heating system to control are set in the sub menus to this menu Menu 7 0 N Clock The date and time are set in the submenus of this menu Different temperature reductions and increases at selected times are also set from this menu Menu 8 0 N Other adjustments The menu type language operating mode settings and load monitor reading are set in the sub menus to this menu 24 NOTE These settings should only be made by persons with the necessary expertise N Normal covers the normal user s needs U Extended shows all menus except the service menus 1 0 N Hot water temp Menu 1 1 N Max HW Period time The time of the hot water period and the time for the whole period are shown here Whole period is shown in brackets Shown for both hot water charging and heating when necessary Time for Heating Max when heating is in progress Time for Hot water Max if hot water charging is in progress Menu 1 2 N Start temperature HW The temperature when the heat pump starts hot water charging is set here Setting range 25 55 C Menu 1 3 N Stop temperature HW The temperatur
36. menu 3 0 Setting range Off System 1 System 2 System 1 2 Menu 6 3 N Room temp setpoint The desired room temperature is shown here Setting range 10 30 C Menu 6 4 U Room temp avg 1min Shows the average room temperature over the last minute Menu 6 5 U Room integrator time Select the integration time for room control here Setting range 0 120 Menu 6 6 N Return Return to menu 6 0 7 0 N Clock Menu 7 1 N Date The current date is set here Menu 7 2 N Time Here the current time is set Menu 7 3 0 U Temp set back Settings e g for night reduction can be selected in the submenus to this menu Menu 7 3 1 U Set back time The time for the set back operation e g night reduction is chosen here Menu 7 3 2 U Set back temp Changes of the heat curve during set back operation period e g the night reduction is set here Setting range 10 10 Default value 0 Menu 7 3 3 U Heating system The heating system to apply the set back operation is selected here If heating system 2 is present the menu can be set to Off System 1 System 2 or System 1 2 In other cases only Off and System 1 can be selected Setting range Off System 1 System 2 System 1 2 Menu 7 3 4 U Return Return to menu 7 3 0 Menu 7 4 0 U Extra hot water Settings are made in the sub menus of this menu when extra hot water is required on a specific day
37. nd comes Comfort setting hot water Maintenance Maintenance Hydrolution requires minimal maintenance after commissioning Hydrolution contains many components and is why monitoring functions are integrated to help you If something abnormal occurs a message appears about malfunctions in the form of different alarm texts in display Checking the safety valves in indoor unit Indoor unit has been equipped with a safety valve for the water heater as well as a safety valve for the climate system by the installer For HT30 a safety relief valve is supplied with tank unit and the valve is installed to water pipe by installer The climate system s safety valve lt HMA100V HMA100VM gt lt HMS140VA HMS140V gt MT300 MT500 15 Maintenance The climate system s safety valve FL2 must be completely sealed Checks must be carried out regularly as follows m Open the valve m Check that water flows through the valve If this does not happen replace the safety valve m Close the valve again m The heating system may need to be refilled after checking the safety valve see the section Filling the heating system Hot water heater safety valve The water heater s safety valve sometimes releases a little water after hot water usage This is because the cold water which enters the heater to replace the hot water expands when heated causing the pressure to rise and the safety valve to open
38. nd use the product appropriately according to the instructions m The precautions provided here are classified into a DANGER and a CAUTION The a DANGER sections describe potentially hazardous situations that may lead to serious outcomes such as death and sericus injuries if the product is mishandled Note however that depending on the situation the items listed in the A CAUTION sections do also have the potential of causing serious outcomes Both warnings and cautions provide you important information related to safety please make sure to observe them m The symbols used throughout the main text of this manual have the following meaning A marks mean danger alarm and A caution The specified prohibited item is described in the triangle The left mark means Shock hazard alarm lt gt O marks mean prohibited items The Y specified prohibited item is described in the circle or in the vicinage aes marks mean compulsory action or instruction The specified prohibited item is described in the circle The left mark means Earth is needed m After you have read the manual always store it where other users can refer to at any time If a new owner takes over the system make sure to pass this manual This heat pump complies with EMC Directive 2004 108 EC This appliance is designed for use in a home environment and can be used by children aged from 8 years and above and persons with
39. not need to be acknowledged when the cause has disappeared m Existing alarms that require corrective action by you or the installer Recommended actions 1 Read off which alarm has occurred from the heat pump s display Asacustomer you can rectify certain alarms See the table below for relevant actions If the alarm is not rectified or is not included in the table turn off the switch SF1 to 0 and contact your installer Alarm text on the display Alarm description Check remedy before installers service technicians are called LP ALARM Tripped low pressure sensor Check that the thermostats for the radiators under floor systems are not closed HP ALARM Tripped high pressure sensor Check that the thermostats for the radiators under floor systems are not closed OU power failure OU Com error cut Outdoor unit not powered Communication Check that any circuit breakers to the outdoor unit are not off Display not lit Check and replace any blown circuit and main fuses Check that the circuit breaker to the indoor unit is not off Check that the switch SF1 is in normal posi tion 1 Resetting alarms No harm in resetting an alarm If the cause of the alarm remains the alarm recurs When an alarm has been triggered it can be reset by switching indoor unit off and on using the switch SF1 When the alarm cannot be reset using the switch SF1 t
40. o not connect grounding wire to any gas pipe water pipe conductor rods or telephones Incomplete grounding may cause electric shock through leakage of electricity Make sure to mount a leakage breaker d Otherwise electric shock may occur Please consult your dealer or a specialist for the mounting Do not mount where flammable gas Q leakage can happen LY If leaked gas stagnates in the unit the gas may cause fire Make sure to layout the drain pipe so rt that the water is completely drained 2 d Otherwise water may leak and wet household goods ns OPERATION PRECAUTIONS A DANGER Do not expose yourself directly to SO radiator or any other heating device for a long time It may cause low temperture burn injury Do not set water temperature too S high when under floor heating application is used It may cause low temperature burn injury Do not expose yourself directly to S cooled air flow for a long time or cool too much It may be cause of deconditioning or health disorder Do not insert fingers or sticks into S the air inlet or outlet grilles It may cause injuries because of the fan rotating at high speed If the unit has been submerged under BD water due to a natural disaster such as flood or typhoon consult your dealer before using it again If you use it as it stands it may lead to failure electric shock or fire If any abnormal symptom scorched Q flavor etc
41. onal How to use the front panel All the most common settings are made from the panel such as comfort etc that you expect from the heat pump system to fulfil In order to make full use of it certain basic settings must have been made see page 11 and the installation in general is carried out according to the instructions Menu 1 0 the temperature in the water heater is normally shown on the display MD The plus and minus buttons and the enter button are used to scroll through the menu system as well as to change the set value in some menus Q Menu types Menu 8 1 1 Control is classified into different menu types depending on how deep into the controls you need to go E Normal N The settings you as a customer often need m Extended U Shows all detailed menus except the service menus Quick movement To quickly return to the main menu from a sub menu press the following button D Key lock A key lock can be activated in the main menus by simultaneously pressing the Jd and the eC buttons The key symbol will then be shown on the display T The same procedure is used to deactivate the key lock Language setting Menu 8 1 2 Language used in the display can be chosen in menu 8 1 2 Front panel indoor unit Comfort setting heating Comfort setting heating General The indoor temperature depends on several factors m Sunlight and heat emissions from peo
42. oor temperature heating curve or its offset heating curve Setting range 20 65 C Menu 2 1 5 U Circ pump speed heat The speed of the circulation pump during space heating is selected here Setting range 1 100 Menu 2 1 6 N Return Return to menu 2 1 0 Menu 2 2 0 N Cooling settings Cooling settings are made in the sub menus for this menu Menu 2 2 1 N Offset cooling Total The selected cooling curve offset is changed here The total offset of the cooling curve is also shown here It includes schedule outer compensation and any room control Setting range 10 10 Menu 2 2 2 N Cooling curve The selected cooling curve is shown here At value 0 the function Own cooling curve is activated see menu 2 2 3 0 Setting range 0 3 Menu 2 2 3 0 U Own cooling curve Here you can select your own curve definition Note The cooling curve in menu 2 2 2 must be set to 0 to activate this function Menu 2 2 3 1 U Supply temp at 20 The supply temperature at an outdoor air temperature of 20 C is selected here Setting range 0 25 C Limited by menu 2 2 4 Min supply cooling Menu 2 2 3 2 U Supply temp at 40 The supply temperature at an outdoor air temperature of 40 C is selected here Setting range 0 25 C Limited by menu 2 2 4 Min supply cooling Menu 2 2 3 3 U Return Return to menu 2 2 3 0 Menu 2 2 4 N Min supply cooling The set minimum le
43. or the sides so that water penetrates into outdoor unit Prevent 16 outdoor unit coming into contact with alkaline cleaning agents AAWARNING Rotating fan Saving tips Your Hydrolution produces heat and hot water according to your needs It also attempts to carry out all requirements with all available aids from the control settings made The indoor temperature is naturally affected by the energy consumption Therefore take care not to set a temperature higher than necessary Other known factors that affect the energy consumption are for example hot water consumption and the insulation level of the house as well as the level of comfort you require Also remember m Open the thermostat valves completely except in the rooms that are to be kept cooler for various reasons e g bedrooms Thermostat valves in the radiators and floor loops can negatively affect the energy consumption They slow the flow in the heating system which the heat pump wants to compensate with increased temperatures It then works harder and consumes more electrical energy Dealing with comfort disruption Use the following list to find and remedy any heating or hot water problems Dealing with comfort disruption Symptom Cause Action Low hot water temperature or a lack of hot water Circuit or main MCB tripped Check and replace blown fuses Heat pump and immersion heater do not heat Check and replace
44. ple and household machines are normally sufficient to keep the house warm during the warmer parts of the year m When it gets colder outside the heating system must be started The colder it is outside the warmer radiators and under floor heating systems must be Controlling heat production Normally the heat pump heats the water heating medium to the temperature required at a certain outdoor temperature This occurs automatically on the basis of the collected temperature values from the outdoor sensor and sensors on the lines to the radiators supply water sensors Extra accessories such as room sensors can influence the temperature In order to operate the system properly the correct settings must be made on the heat pump first see the section Default Heating curve setting The outdoor sensor mounted on an exterior wall of the house senses variations in the outdoor temperature early on sends the information to the heat pump control computer and heating operation is started It does not have to be cold inside the house before the control system is activated As soon as the temperature drops outside the temperature of the water to the radiators supply temp inside the house is increased automatically The heat pumps flow temperature menu 2 0 will hover around the theoretical required value which is in brackets on the display Temperature of the heating system The temperature of the heating system in relation to
45. pply Return temp The current supply and return line temperatures are shown here Return temperature is shown in brackets Control Menu 2 6 U Degree minutes Current value for number of degree minutes In addition this value can be changed to accelerate the start of heating production or cooling Setting range 32000 32000 Menu 2 7 N Return Return to menu 2 0 27 Control 3 0 N Supply temp 2 Menu 3 1 N Offset heating Tot 2 The heating curve offset 2 is selected here The total offset of heat curve 2 is also shown here It includes schedule outer compensation and any room control Setting range 10 10 Menu 3 2 N Heating curve 2 The selected heating curve is shown here At value 0 the function Own heat curve 2 is activated see menu 3 6 0 Setting range 0 20 Menu 3 3 U Min supply temp 2 The set minimum level for the supply temperature for heating system 2 is shown here The calculated flow temperature never drops below the set level irrespective of the outdoor temperature heating curve or its offset Setting range 10 65 C Menu 3 4 U Max supply temp 2 The set maximum level for the supply temperature for heating system 2 is shown here The calculated flow temperature never exceeds the set level irrespective of the outdoor temperature heating curve or its offset Setting range 10 65 C Menu 3 5 U External adjust 2 Connecting an external con
46. ra hot water is activated using the settings made in the control computer When m A appears above the icon temporary extra hot water is active m B appears above the 4 icon time based extra hot water is active NOTE Extra hot water usually means that the electric heater is activated regardless of Allow add heat setting menu 8 2 1 and therefore increases the electrical consumption Extra hot water can be activated in three different ways 1 Periodic time based extra hot water Interval between extra hot water operation is selected in menu 1 7 Menu 1 8 shows when the next extra hot water operation is due The increased temperature is maintained by the electric heater for one hour 2 Schedule time based extra hot water The start and stop times for the day of the week when the extra hot water operation is required are set in the sub menus to menu 7 4 0 The increased temperature is maintained by the electric heater for the selected period 3 Temporary extra hot water Extra hot water operation starts when Extra hot water button is pressed and it is kept for 3 hours The operation is cancelled when the button is pressed again during the period The increased temperature is maintained by the electric heater until the period of time has expired NOTE Heat pump will not start until Extra hot water period finishes It may cause insufficient hot water supply if big dema
47. s button the numerical value starts to flash Increase or decrease using or buttons h ine OY Confirm by pressing button Menu 1 0 is automatically displayed again 30 minutes after the last button is pressed Example Changing the heating curve menu 2 1 1 2 3 The starting point is menu 1 0 Press button to move to menu 2 0 Press button to move to menu 2 1 h Press button to change the value Change the value by pressing or 6 buttons Confirm the selected value by pressing button Press button to access menu 1 0 Menu tree 1 0 N Hot water temp 1 1 N Max HW Peroid time 1 2 N Start temperature HW 1 3 N Stop temperature HW 1 4 U Stop temperature XHW 1 5 U Heat pump stop XHW 1 6 U Max heat p time XHW 1 7 U Interval XHW 1 8 U Next XHW action 1 9 U HW run time 1 12 N Return 2 0 N Supply temp 2 1 0 N Heating settings 2 1 1 N Offset heating Total 2 2 0 N Cooling settings 2 1 2 N Heating curve 2 1 3 0 U Own heating curve 2 1 3 1 U Supply temp at 20 Control 2 1 4 U Min supply heating 2 1 3 2 U Supply temp at 20 2 1 3 4 U Supply t at buckl 2 1 3 3 U Buckling temperature 2 1 3 5 U Return 2 1 5 U Circ pump speed heat 2 1 6 N Return 2 2 1 N Offset cooling Total 2 3
48. tact for example a room thermostat accessory or a timer allows you to temporarily or periodically raise or lower the room temperature When the external contact is closed the heating curve offset or the cooling curve offset is changed by the number of steps shown here If room control is active there is a degree change to the set room temperature Setting range 10 10 Menu 3 6 0 U Own heating curve 2 Here you can select your own curve definition This is an individual linear curve with one break point You select a break point and the associated temperatures Note The heating curve in menu 3 2 must be set to 0 to activate this function 28 Menu 3 6 1 U Supply temp at 20 The supply temperature at an outdoor air temperature of 20 C is selected here Setting range 0 80 C Limited by menu 3 4 Max supply temp 2 Menu 3 6 2 U Supply temp at 20 The supply temperature at an outdoor air temperature of 20 C is selected here Setting range 0 80 C Limited by menu 3 4 Max supply temp 2 Menu 3 6 3 U Buckling temperature Here you select at what outside air temperature the break point shall occur Setting range 15 15 C Menu 3 6 4 U Supply t at buckl You set the calculated supply temperature for the break point here Setting range 0 80 C Limited by menu 3 4 Max supply temp 2 Menu 3 6 5 U Return Return to menu 3 6 0 Menu 3 7 U Supply Return temp
49. the outdoor temperature can be determined by you by selecting a heat curve and by using the Offset heating curve knob on the heat pump s front panel Operating status The Operating mode button is used to set the required operating mode The change does not need to be confirmed with the enter button The current operating mode is shown on the front panel display when the button is pressed and the mode changes when you continue to press the button The display returns to the normal display mode once the enter button is pressed The electric heater is only used for anti freeze if it is deactivated in the menu system for all operating modes There are different operating modes to choose 10 1 Auto Indoor unit automatically selects the operating mode by taking the outdoor temperature into account This means that the operating mode switches between Heating and Hot water The circulation pump is permitted to operate when there is a need 2 AutoC Indoor unit selects operating mode automatically cooling can also be selected now by the outdoor temperature This means that the operating mode switches between 39 66 Heating Cooling and Hot water The circulation pump is permitted to operate when there is a need 3 Heating Only heating and hot water mode The circulation pump is in operation the entire time Electirc heater is energized if necessary 4 Coo
50. ting mode button for 7 seconds Note that this is only a temporary solution as heating with the immersion heater does not make any savings Emergency mode Emergency mode is activated by setting the switch to ASV It is used when the control system and thereby operating mode Add heat only do not function as they should Emergency mode is activated by setting switch SF1 to ASV The following applies in emergency mode m The front panel is not lit and the control computer in indoor unit is not connected m Outdoor unit is off and only the circulation pump and immersion heater in indoor unit are active m An electrical step of 4 kW is connected The immersion heater is controlled by a separate thermostat BT30 m The automatic heating control system is not operational so manual shunt operation is required Call installer 18 Alarm indications There are many monitoring functions integrated in Hydrolution To alert you to any malfunctions the control computer transmits alarm signals that can be read from the front panel display What happens in the event of an alarm The background lighting in the display starts flashing and the status lamp lights red Some alarms change operating mode to Add heat only and reduce the supply temperature to the minimum permitted temperature to notify you that something is wrong Alarm indications Different types of alarms m Alarms with automatic reset do
51. to indoor unit This eliminates the need for holes and coils in the ground Features of Hydrolution m Optimal annual heating factor thanks to the inverter controlled compressor m Outdoor unit with compact dimensions m Speed controlled system pump that supplies the heat pump with suitable system flow m Optimized operating costs The speed of the compressor is adjusted according to the demand m Integrated coil water heater in indoor unit m Integrated clock for scheduling extra hot water and temperature lowering increasing the supply water temperature m Prepared for control of two heating systems m Integrated active cooling function m Possible to connect external heat sources Information about the installation Principle of operation Hydrolution 7 Function Hydrolution is a system that can produce heating hot water and cooling The principle during heating can be simplified as follows 1 The refrigerant in outdoor unit takes the heat from the outdoor air and is compressed to higher temperature by the compressor 2 The hot refrigerant now in gas state is routed into indoor unit The refrigerant releases the heat for further distribution in the system 4 The refrigerant now in liquid state is routed back to outdoor unit and the process is repeated By reversing the entire process and thereby the refrigerant in outdoor unit takes
52. ump in auto mode is to stop heat production When the average outdoor air temperature falls below Stop temp heating Hysteresis menu 8 2 5 heating starts again Setting range 1 43 C Menu 8 2 4 U Start temp cooling The average outdoor air temperature at which the heat pump in autoC mode is to start cooling When the average outdoor temperature exceed it cooling starts When the average outdoor air temperature falls below Start temp cooling Hysteresis menu 8 2 5 cooling stops Setting range 10 43 C Operable temperature range is 15 43 C Menu 8 2 5 U Hysteresis See menu 8 2 3 and menu 8 2 4 Also affects control with room sensor Setting range 1 0 10 0 Menu 8 2 6 N Return Return to menu 8 2 0 Menu 8 3 0 U Current limiter Settings and readings regarding the load monitor are set in the sub menus to this menu Menu 8 3 1 U Fuse size The setting selected on the PCB AA22 switch R24 is shown here Menu 8 3 2 U Max electric power The setting selected on the PCB AA22 switch R25 is shown here Menu 8 3 3 U Current phase 1 Measured current from phase 1 shown here If the value falls below 2 8 A low is displayed Menu 8 3 4 U Current phase 2 Measured current from phase 2 shown here If the value falls below 2 8 A low is displayed Menu 8 3 5 U Current phase 3 Measured current from phase 3 shown here If the value falls below 2 8 A
53. vel for the supply temperature to the cooling system is shown here The calculated flow temperature never drops below the set level irrespective of the outdoor temperature cooling curve or its offset HMA100 HMS140VA HMS140V Setting range C 7 25 7 25 7 25 Default value C 10 18 18 1 It is necessary to adjust the value for fancoil application Recommended value is 10 2 Do not set the value lower than 18 C It may cause water leak and damage your property or the product itself Menu 2 2 5 N Circ pump speed cool The speed of the circulation pump during cooling is selected here Setting range 1 100 Menu 2 2 6 N Return Return to menu 2 2 0 Menu 2 3 U Max supply temp The set maximum level for the supply temperature to the heating system is shown here The calculated flow temperature never exceeds the set level irrespective of the outdoor temperature heating curve or offset heating curve Setting range 25 65 C Menu 2 4 U External adjustment Connecting an external contact for example a room thermostat accessory or a timer allows you to temporarily or periodically raise or lower the room temperature When the external contact is closed the heating curve offset or cooling curve offset is changed by the number of steps shown here If room control is active there is a degree change to the set room temperature Setting range 10 10 Menu 2 5 U Su

USER`S MANUAL - Mitsubishi Heavy Industries

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