DeDietrich MIT-M /E Installation, User And Service Manual
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DeDietrich MIT-M /E Installation, User And Service Manual

Reversible packaged air source heat pump
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ADVANCE
Installation, user and service manual
Reversible packaged air source heat pump
HPI M
MIT-M /E
MIT-M /H
S U S T A I N A B L E C O M F O R T ®

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Summary of Contents for DeDietrich MIT-M /E

  • Page 1 ADVANCE Installation, user and service manual Reversible packaged air source heat pump HPI M MIT-M /E MIT-M /H S U S T A I N A B L E C O M F O R T ®...

  • Page 2: Table Of Contents

    Contents Contents Safety instructions and recommendations ..............5 Safety .
  • Page 3 Contents 5.7.10 Connecting the hydraulic back-up............41 5.7.11 Connect and configure the power supply for the electrical back-up .
  • Page 4 Contents Operation ..................87 Personalising the zones .

  • Page 5: Safety Instructions And Recommendations

    1 Safety instructions and recommendations Safety instructions and recommendations Safety Operation Danger 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 haz­...

  • Page 6: Electrical Safety

    1 Safety instructions and recommendations Only qualified professionals are authorised to work on the appliance and the heating installation. They must respect prevailing local and national regulations during fitting, installation and maintenance of the installation. Commissioning must be performed by a qualified professional. Electrical safety Before making any electrical connections, earth the appliance in accordance with prevailing standards.

  • Page 7: Specific Instructions For Service, Maintenance And Breakdowns

    1 Safety instructions and recommendations Never remove or cover the labels and data plates affixed to appliances. Labels and data plates must be legible throughout the entire lifetime of the appliance. Immediately replace damaged or illegible instructions and warning stickers. Give preference to the OFF or frost protection mode rather than switching off the system to leave the following functions running: Anti blocking of pumps...

  • Page 8: Liabilities

    1 Safety instructions and recommendations Liabilities Tab.1 Manufacturer's liability Our products are manufactured in compliance with the requirements of the various Di­ rectives applicable. They are therefore delivered with the marking and any docu­ ments necessary. In the interests of the quality of our products, we strive constantly to improve them.

  • Page 9: Symbols Used

    2 Symbols used Symbols used Symbols used in the manual This manual uses various danger levels to draw attention to special instructions. We do this to improve user safety, to prevent problems and to guarantee correct operation of the appliance. Danger Risk of dangerous situations that may result in serious personal injury.

  • Page 10: Technical Specifications

    Tightness of the heating circuit Electrical safety Technical data 3.2.1 Compatible heating devices Tab.2 Outdoor unit Associated/compatible indoor units MONO AWHP 6 MR MIT-M /E MIT-M /H MONO AWHP 8 MR MIT-M /E MIT-M /H MONO AWHP 11 MR MIT-M /E MIT-M /H 3.2.2...
  • Page 11 3 Technical specifications Tab.3 Outdoor unit conditions of use MONO AWHP 6 MONO AWHP 8 MONO AWHP 11 MR Heating mode Water (maximum temperature) +60 °C +60 °C +60 °C Outdoor air -20 °C / -20 °C / -20 °C / +35 °C +35 °C +35 °C...

  • Page 12: Heat Pump Weight

    (in kg) of refrigerant x GWP/ 1000. The Global-Warming Potential (GWP) of R410A gas is 2088. 3.2.3 Heat pump weight Tab.10 Indoor unit Data Unit MIT-M /E MIT-M /H Weight empty Tab.11 Outdoor unit Data Unit MONO AWHP 6 MR...
  • Page 13 3 Technical specifications Product name MONO AWHP MONO AWHP MONO AWHP 6 MR 8 MR 11 MR Bivalent temperature °C Degradation coefficient — ƞ Seasonal space heating energy efficiency under average conditions ƞ Seasonal space heating energy efficiency under colder conditions ƞ...

  • Page 14: Sensor Specifications

    3 Technical specifications 3.2.5 Sensor specifications Outdoor temperature sensor specifications Tab.13 AF60 outdoor temperature sensor Temperature °C Resistance Ω 2392 2088 1811 1562 1342 1149 (Ohm) Heating flow sensor specifications Tab.14 NTC heating flow sensor Temperature °C Resistance Ohm 32014 19691 12474 10000...

  • Page 15: Dimensions And Connections

    3 Technical specifications Dimensions and connections 3.3.1 Indoor unit Fig.6 With immersion heater 1 Three-way valve circuit return (optional) - G1" 2 Three-way valve circuit flow (optional) - G1" 3 Direct circuit return - G1" 457.5 4 Direct circuit flow - G1" 5 Return from outdoor unit - G1"...

  • Page 16: Electrical Diagram

    3 Technical specifications Electrical diagram WATER SENSORS H M I 768 0047 FUSE 85754935 SCB-10 7680501 PUMP SPEED 7696851 EHC-05 7621783 PUMP EXCHANGER OUTSIDE T° SENSOR 7680005 7705849 BACKUP 1 BACKUP 2 7705849 EH829 7680294 S2/S3 LOW NOISE PUMP 7680155 POWER SUPPLY EH812 OUTDOOR...
  • Page 17 3 Technical specifications BL2 Multifonction BL2 multifunction input Boiler Boiler CB04 Automatic filling kit Condensation Sensor Condensation sensor DISCONNECTOR Disconnector DHW REVERSING VALVE Heating/domestic hot water reversing valve EHC–05 Heat pump control system central unit PCB Electric Backup Electrical back-up FUSE Fuse Harness...

  • Page 18: Description Of The Product

    4 Description of the product Description of the product Main components Fig.8 With electrical back-up 1 Automatic air vent 2 Low-loss header 3 Heat pump circulating pump 5 Heat pump flow temperature sensor (PT1000) 6 Flow meter 7 Switching control panel unit 8 Electrical diagram 9 Safety valve 10 Electronic pressure gauge...
  • Page 19 4 Description of the product Fig.10 Position of the PCBs 1 CB04 PCB (option): automatic filling kit 2 SCB-10 control system PCB: management of circuits A1, B1 and domestic hot water circuit DHW1 3 AD249 PCB (option): management of heat circuit C1 and auxiliary circuit AUX1 4 EHC–05 central unit PCB: control system for the heat pump, heating circuit A0 and domestic hot water circuit DHW...

  • Page 20: Installation

    5 Installation Installation Installation regulations Warning The components used for the connection to the cold water supply must comply with the prevailing standards and regulations in the country concerned. Pursuant to Article L. 113-3 of the French Consumer Code, the installation of equipment must be done by a certified operator whenever the refrigerant load is in excess of two kilograms or when a refrigerant connection is necessary (the case with split systems, even when fitted with...

  • Page 21: Putting The Outdoor Unit In Place: Precautions

    5 Installation Putting the outdoor unit in place: precautions Caution The models concerned are as follows: MONO AWHP 11 MR Remove the compressor's transport supports. Failure to perform this operation may result in an increase in the appliance's operating noise. Outdoor unit manual Data plate on the indoor module Fig.11...

  • Page 22: Allowing Sufficient Space For The Indoor Module

    5 Installation 5.5.2 Allowing sufficient space for the indoor module Fig.12 Allow sufficient space around the heat pump indoor module to ensure adequate access and facilitate maintenance. MW-1001196-1 5.5.3 Fitting the assembly rail Fig.13 1. Drill 2 holes with a diameter of 6 mm. Important Extra holes are provided in case one or other of the standard locating holes prevents the correct location of the plug.

  • Page 23: Mounting The Module On The Wall

    5 Installation 5.5.4 Mounting the module on the wall Fig.14 1. Position the indoor module above the mounting rail so that it rests snugly against it. 2. Gently lower the indoor module. MW-1001198-1 Hydraulic connections 5.6.1 List of operations to be performed before connection Calculate the volume of water in the heating circuit and check the volume of the appropriate expansion vessel using the DTU 65–11.

  • Page 24: Possible Connections: 1 Or 2 Circuits

    5 Installation 5.6.2 Possible connections: 1 or 2 circuits Fig.16 G1" G1" G1" G1" G1" G1" G1" G1" Ø 20mm Ø 20mm Ø 16mm Ø 20mm 1 Thermostatic mixing valve 3 Heating/domestic hot water reversing valve 2 Safety unit Tab.18 Hydraulic outlet Circuit Connections to be made...
  • Page 25 5 Installation Hydraulic outlet Circuit Connections to be made Caution Connect the circuit requiring the highest temperature on circuit A0 and the circuit requiring the lowest tempera­ ture on circuit B1. Mixed circuit: radiators Set the maximum temperature depending on the emitter. Install an automatic air vent at the highest point on the heating circuit.

  • Page 26: Connections Possible Up To 4 Circuits Without Buffer Tank

    5 Installation 5.6.3 Connections possible up to 4 circuits without buffer tank Fig.17 G1" G1" G1" G1" G1" G1" G1" G1" Ø 20mm Ø 20mm Ø 16mm Ø 20mm 1 Thermostatic mixing valve 3 Mixing valve 2 Safety unit 4 Heating/domestic hot water reversing valve MIT-M 7756241 - v02 - 19062020...
  • Page 27 5 Installation Tab.19 Hydraulic outlet Circuit Connections to be made Caution In case of a direct circuit with radiators fitted with ther­ mostatic valves, install a differential valve to ensure flow. Install an automatic air vent at the highest point on the heating circuit. Direct zone: radiators Install two isolation valves.

  • Page 28: Connections Possible Up To 4 Circuits With Buffer Tank

    5 Installation Hydraulic outlet Circuit Connections to be made Caution To ensure optimal operation of the back-up, the flow rate Back-up boiler of the boiler must always be higher than that of the in­ stallation. Install the " non-return valve and the "...

  • Page 29: Safety Unit (Only For France)

    5 Installation Tab.20 Hydraulic outlet Circuit Connections to be made A1, B1, C1 For each circuit Install an automatic air vent at the highest point on the heating circuit. + Buffer tank Install two isolation valves. Install the internal pipe adapter kit for installing an external three-way Mixed circuit: radiators valve HK22.

  • Page 30: Safety Unit (Except France)

    5 Installation 5.6.6 Safety unit (except France) Fig.20 9 Isolation valve 17 Drain valve 27 Non-return valve 28 Domestic cold water inlet 29 Pressure reducer 30 Safety unit 2 cm 54 End of the discharge pipe free and visible 2 to 4 cm above the flow (54) funnel 55 Safety valve 0.7 MPa (7 bar)

  • Page 31: Connecting The Safety Valve Drain Pipe

    5 Installation 5.6.8 Connecting the safety valve drain pipe Fig.21 1. Connect the outlet pipe to the waste water discharge. Caution The discharge pipe in the safety valve or unit must not be blocked. Ø32 MW-1001679-1 5.6.9 Checking the heating circuit 1.

  • Page 32: Electrical Connections

    5 Installation Important Do not use glycol. The use of glycol in the heating circuit invalidates the warranty. 1. Fill the installation until a pressure of 1.5 to 2 bars is reached. Read the pressure on the mechanical pressure gauge. Important The mechanical pressure gauge located on the heating return is only used when supplying the indoor unit with water.

  • Page 33: Recommended Cable Cross Section

    5 Installation Make the electrical connections on the appliance in accordance with the recommendations of these instructions. Important Earthing must comply with the prevailing installation standards. France: NFC 15–100. Caution The installation must be fitted with a main switch. Caution Power the appliance via a circuit that includes an omnipolar switch with contact opening distance of 3 mm or more.

  • Page 34: Accessing The Pcbs

    5 Installation 5.7.3 Accessing the PCBs Fig.22 1. Unscrew the two screws under the front panel by a quarter turn. 2. Remove the front panel. MW-1001203-1 Fig.23 3. Open the holding clips located on the sides. 4. Tilt the control panel forwards. MW-1001204-1 MIT-M 7756241 - v02 - 19062020...

  • Page 35: Routing The Cables

    5 Installation Fig.24 5. Remove the screw and the control panel cover. 6. Unclip the PCB cover. MW-1001205-1 5.7.4 Routing the cables Caution Separate the sensor cables from the 230/400 V circuit cables. Secure all the cables exiting the indoor unit using the traction arrester devices supplied in the accessories bag.
  • Page 36 5 Installation Tab.26 Circuits CIRCA0 CIRCA1 CIRCB1 CIRCC1 CIR­ DHW1 (EHC–05) (EHC–05) (SCB-10) (SCB-10) (with CAUX1 (SCB-10) AD249 op­ (with tion) AD249 op­ tion) Convection fan Underfloor heating (Use the direct zone un­ derfloor heating option) Radiator 365 day radiator Continuous heating Timer programme Swimming pool...
  • Page 37 5 Installation T dhw 2: Temperature sensor at the top of the DHW tank T out: not used Description of the SCB-10 PCB Fig.27 12 11 10 1 R-Bus: SMART TC° connected room thermostat, 11 System sensor 2 on/off thermostat, modulating thermostat or 12 System sensor 1 OpenTherm thermostat - CIRCA1 circuit 13 Pump and safety thermostat - CIRCA1 circuit...

  • Page 38: Connecting The Cables To The Pcbs

    5 Installation Description of the three-way valve and auxiliary circuit PCB AD249 Fig.28 1 CIRCC1 three-way valve 2 CIRCC1 circuit pump 3 CIRCC1 safety thermostat. Factory fitted bridge 4 CIRC AUX1 auxiliary pump 5.7.6 Connecting the cables to the PCBs Fig.29 Keyed connectors are present on different terminal blocks as standard.

  • Page 39: Connecting The Outdoor Unit Bus

    5 Installation 5.7.8 Connecting the outdoor unit bus Fig.30 1. Connect the outdoor unit bus between the S2 and S3 terminals on the X23 connector in the indoor unit's EHC–05 central unit PCB. 2. Set the SW8–3 switch on the outdoor unit PCB to ON. Danger Do not connect anything to S1.
  • Page 40 5 Installation Fitting the outdoor sensor Fig.32 Plugs diameter 4 mm/drill diameter 6 mm 1. Choose a recommended location for the outdoor sensor. 2. Put the 2 plugs in place, delivered with the sensor. 3. Secure the sensor using the screws provided (diameter 4 mm). 4.

  • Page 41: Connecting The Hydraulic Back-Up

    5 Installation 5.7.10 Connecting the hydraulic back-up. Fig.35 1. Connect the back-up boiler pump (live / neutral / earth) to the X4 connector on the EHC–05 central unit PCB in the indoor module. 2. Connect the dry ON/OFF contact in the back-up boiler to the X5 connector in the EHC–05 central unit PCB in the indoor module.

  • Page 42: Checking The Electrical Connections

    5 Installation Fig.37 4. Position the bridge or bridges. 230V~ Important The bridges can be found in a bag affixed to the inside of the 2 kW HP029=1 indoor unit. 2-6 kW HP029=2 5. Feed the electrical back-up power supply cable into the cable duct reserved for the 230/400 V circuit cables.
  • Page 43 5 Installation 10. Check that traction arrester devices are used for all cables exiting the appliance. 7756241 - v02 - 19062020 MIT-M...

  • Page 44: Commissioning

    6 Commissioning Commissioning General The heat pump is commissioned: When it is used for the first time; After any event that may require complete reinstallation. Commissioning of the heat pump allows the user to review the various settings and checks to be made to start up the heat pump in complete safety.

  • Page 45: Commissioning Procedure

    6 Commissioning Icon Information Description of the icon Holiday programme Holiday mode in all circuits simultaneously Air source heat pump Heat pump flow temperature display 23.5 Water pressure Current water pressure display Symbol representing the operation zone 21.7 23.5 24.5 CIRCA/CIRCB Temperature display for zone A/B 19.8...

  • Page 46: Cn1 Et Cn2 Parameters

    6 Commissioning 6.3.1 CN1 et CN2 parameters The CN1 and CN2 parameters are used to configure the heat pump based on the type of back-up and the output of the outdoor unit installed. Tab.30 Configuration numbers without immersion heater, hydraulic back-up Output of the outdoor unit 6 kW...

  • Page 47: Settings

    7 Settings Settings Menu tree Tab.32 Menus accessible using the button Installation Setup Commissioning Menu Advanced Service Menu Error History System Settings Version Information Accessing the Installer level Certain parameters, which may affect the operation of the appliance, are protected by an access code. Only the installer is authorised to modify these parameters.

  • Page 48: Saving The Commissioning Settings

    7 Settings 3. Carry out one of the following operations: Tab.33 Menu Description Set Date and Time Setting the date and time Select Country and Language Select the country and language. Setting the automatic change to daylight saving time. These changes will be carried out on the Daylight Saving Time last Sunday in March and October Installer Details...

  • Page 49: Setting The Heating Curve

    7 Settings 3. Select Confirm to revert to the commissioning settings. Reverting to the factory settings To revert to the factory settings for the heat pump: 1. Press the key. 2. Select Advanced Service Menu > Reset to Factory Settings. 3.

  • Page 50: Configuring A Hydraulic Back-Up

    7 Settings When discomfort is experienced in domestic hot water mode, the installer may adjust the domestic hot water production setting parameters to increase domestic hot water comfort, to the detriment of heating comfort. Important The consumption of electricity may rise. 1.

  • Page 51: Configuring The Hybrid Operating Mode Of A Hydraulic Back-Up

    7 Settings 1. Configure the following parameters: Tab.38 Access Parameter Description Adjustment required Elec. Pulse value Value of the pulse coming The adjustment depends on (HP033) from the electrical counter the type of energy meter in­ Air Src Heat pump > 23.5 stalled.
  • Page 52 7 Settings Fig.43 Influence of outdoor temperatures C COP: Coefficient of performance and bi-valency. Coefficient of performance threshold: If the coefficient of performance of the heat pump is higher than the coefficient of performance threshold, the heat pump takes priority. Otherwise only the boiler back-up is enabled.

  • Page 53: Configuring Underfloor Cooling Or A Convection Fan

    7 Settings 2. Choose the optimisation for energy consumption Tab.42 Value of the Description Hybrid mode (HP061) parame­ Primary Energy Optimisation of primary energy consumption: The control system chooses the generator that consumes the least primary energy. The switch between the heat pump and the boiler occurs at the value of the coefficient of performance threshold COP Threshold(HP054) according to the primary energy consumption optimisation mode.

  • Page 54: Selecting The Conditions For Activating Cooling Mode

    7 Settings 7.3.12 Selecting the conditions for activating Cooling mode In the Scheduling operating mode, the Cooling timer programme is activated automatically when the average outdoor temperature is above 22 °C. To change this temperature, proceed as follows: 1. Select the icon.

  • Page 55: Connecting An On/Off Or Modulating Thermostat

    7 Settings 1. Set the parameters for the CIRCA0 and CIRCA1, CIRCB1 or CIRCC1 circuits. Tab.45 Access Parameter Description Adjustment required Zone screed drying Setting of the screed drying Number of days of dry­ (CP470) program of the zone CIRCA0, , CIRCA1, 21.7 19.8...
  • Page 56 7 Settings 1. Connect the AC thermostat to the BL1 input on the EHC–05 PCB. 1 EHC–05 PCB 2 Room thermostat 22° 3 Output: On/Off 4 "Heating/cooling contact" output R-Bus MW-1001290-1 2. Configure the heat pump parameters Tab.48 Access Parameter Description Adjustment re­...

  • Page 57: Installing A Buffer Tank

    7 Settings Tab.52 Configuration C Value of the OTH Value of the BL1 The BL1 multifunc­ Operating mode for If the OT contact is If the OT contact is LogicLev contact contact config. tion input is the heat pump open closed (CP640) parameter (AP098) parameter...

  • Page 58: Configuring The Buffer Tank For Storage

    7 Settings 4. Activate the buffer tank function by selecting the number of sensors: Tab.57 Access Parameter Adjustment required > Installation Setup > Buffer tank off Type Buffer Tank Depending on the situation: (BP001) Disabled One sensor Two sensors 5. Select the operating mode for the buffer tank. Buffer tank operating mode Adjustment required Buffer tank used as a low-loss...
  • Page 59 7 Settings Tab.60 Access Parameter Description Adjustment required Fixed setpoint > Installation Setup > Buff Tank HC Strat. Heating Cooling Control Calculated setpoint Buffer tank (BP002) strategy used with buffer tank Dedicated slope Tab.61 Buff Tank HC Strat. (BP002) Adjustment required Description Fixed setpoint The buffer tank set point temperature is equal to the value for the parameter Stp Buffertank Heat...
  • Page 60 7 Settings Tab.63 Buffer tank management with two sensors (optional) Buffer tank status Description Fig.50 Buffer tank in demand The buffer tank is in load demand when the temperature measured by the top sensor is less than the difference: temperature set point - temperature hyste­ resis.

  • Page 61: Configuring And Using The Cb04 Auto-Filling Option Kit

    7 Settings 6. Configure the parameter Max CH flow setpoint (AP063): Tab.66 Access Parameter Description Adjustment required Max CH flow setpoint (AP063) Maximum central heating Enter a temperature higher flow temperature setpoint than the buffer tank set point, Air Src Heat pump > 23.5 otherwise the buffer tank Parameters, counters,...

  • Page 62: Supplying The Heat Pump With Photovoltaic Energy

    7 Settings 7.3.19 Supplying the heat pump with photovoltaic energy When lower cost electrical energy is available, such as photovoltaic energy, the heating circuit and domestic hot water tank (if present) can be overheated. Underfloor cooling cannot be supplied with power in this way. 1.

  • Page 63: Reducing The Noise Level Of The Outdoor Unit

    7 Settings 4. Configure the BL function parameters (AP001) and (AP100). Tab.73 Access Parameter Adjustment required Air Src Heat pump > BL function Smart Grid ready 23.5 Parameters, counters, signals > (AP001) Parameters > Adv. Parameters BL2 function Smart Grid ready (AP100) The heat pump is ready to receive and manage Smart Grid signals.

  • Page 64: List Of Parameters

    7 Settings 3. Select the desired type of notification: Type of notification: Description None No maintenance message Custom notification The maintenance message will be displayed once the heat pump operating hours de­ fined by the parameters in the following table have elapsed. 4.

  • Page 65: Installation Setup > Circa1/Circb1/Dhw1/Circc1/Circaux1 > Parameters, Counters, Signals

    7 Settings Parameter Description Factory setting TypeReducedNightM Type of reduced night mode, stop or maintain heating of circuit Stop heat demand ode (CP340) Stop heat demand: heating is deactivated when the room set point tempera­ Parameter linked to ture set in the timer programme is below the threshold set in CP070. the CP070 parameter Continue heat demand: the heating set point is maintained independently of the threshold set in CP070.

  • Page 66: Installation Setup > Stratified Dhw Tank > Parameters, Counters, Signals

    7 Settings Parameter Factory setting for each circuit Description Zone HCZP CIRCA1: 15 Reduced footpoint of the temperature of heat curve of the circuit Reduced CIRCB1: 15 can be set from 6 to 90 °C (CP220 DHW1: 15 set to 15 = the curve base temperature is set automatically and is CP221 CIRCC1: 15 the same as the room set point temperature...

  • Page 67: Installation Setup > Dhw Tank > Parameters, Counters, Signals > Adv. Parameters

    7 Settings Parameter Description Factory setting DHW management ECO mode: use of the heat pump only. Comfort mode: use of the heat pump ECO (Only HP) (DP051) and backup energy sources: ECO (Only HP): use of the heat pump only Comfort (HP+Boiler): use of the heat pump and back-ups Hysteresis DHW Hysteresis temperature relative to the DHW temperature setpoint...
  • Page 68 7 Settings Parameter Description Factory setting Delay stop backup Shutdown time delay for back-ups in central heating mode CH (HP031) Can be set from 0 Min to 600 Min Delay Min.Outdoor Start-up time delay for back-ups corresponding to the minimum outdoor tempera­ T.
  • Page 69 7 Settings Parameter Description of the advanced parameters EHC–05 factory setting Cool.Setpoint offset Maximum offset applied to the cooling setpoint when a 0-10V humidity sensor is (HP079) used Can be set from 0 °C to 15 °C Humidity level Relative humidity level over which the offset is added to the cooling setpoint (HP080) Can be set from 0 % to 100 % Setpoint Hyst.

  • Page 70: Installation Setup > Air Src Heat Pump > Parameters, Counters, Signals > Adv. Parameters

    7 Settings Parameter Description of the advanced parameters EHC–05 factory setting BL2 function BL2 input function selection (AP100) 1 = Full blocking of the installation – frost protection not guaranteed 2 = Partial blocking of the installation – installation frost protection 3 = User reset locking 4 = Backup relieved 5 = Generator relieved...
  • Page 71 7 Settings Tab.86 Parameters Parameter Description Factory setting SCB-10 Cascade Choice of the leading generator,.AUTO: Switching of order every 7 days Permutation Can be set from 0 127 (NP005) Cascade Type Cascading boilers by adding successively or in parallel, the boilers function (NP006) simultaneously 0 Traditional...

  • Page 72: Installation Setup > Outside Temp > Parameters, Counters, Signals

    7 Settings 7.4.8 Installation Setup > Outside temp > Parameters, counters, signals Tab.88 Parameters Parameter Description Factory setting SCB-10 Outdoor sensor Enable outdoor sensor (AP056 ) No outside sensor AF60 QAC34 Summer Winter Outdoor temperature: upper limit for heating (AP073) Can be set from 15 °C to 30.5 °C Season cross-over Temperature variance from set outdoor upper temp.

  • Page 73: Installation Setup > 0-10 V Input > Parameters, Counters, Signals

    7 Settings Tab.90 Adv. Parameters ADV parameter Description of the ADV advanced parameters Factory setting SCB-10 Sensor input config Sets the general configuration of the sensor input Tsyst1 Disabled (EP036) Disabled DHW tank DHW tank top Buffer tank sensor Buffer Tank top System (cascade) Sensor input config Sets the general configuration of the sensor input Tsyst2...

  • Page 74: Description Of The Parameters

    7 Settings Tab.92 Parameters Parameter Description Factory setting SCB-10 Status relay func. Status relay function Locking or Blocking (EP018) No Action Alarm Alarm Inverted Compressor on Compressor off Reserved Reserved Service request Heat pump in heating mode Heat pump in domestic hot water mode CH pump on Locking or Blocking Description of the parameters...
  • Page 75 7 Settings Tab.94 Access Parameter Description Value Delay StartBackup CH Delay time for starting the 20 minutes (HP030) backup energy source for the Air Src Heat pump > 23.5 heating circuits Parameters, counters, signals Can be set from 1 to 600 mi­ >...

  • Page 76: Running The Back-Up In Domestic Hot Water Mode

    7 Settings Back-up operation if an error occurs on the outdoor unit If an error occurs on the outdoor unit during a system heating demand, the boiler or electrical back-up starts up immediately to guarantee heating comfort. Back-up operation when defrosting the outdoor unit When the outdoor unit is defrosting, the control unit ensures full protection of the system by starting up the back-ups if necessary.
  • Page 77 7 Settings Tab.97 Access Parameter Description Adjustment required BL function BL input function selection The operation of the BL1 blocking input can (AP001) be set to: Air Src 23.5 Heat pump > Full blocking Parameters, Partial blocking counters, User reset locking signals >...

  • Page 78: Operation Of The Switch Between Heating And Production Of Domestic Hot Water

    7 Settings Tab.98 Behaviour of the hydraulic or electrical back-up Access Parameter Operating description Adjustment required Installation Setup > DHW management If set to Economy: the system gives priority to the heat ECO (Only HP) (DP051) pump during domestic hot water production. Recourse to the hydraulic or electrical back-up is only DHW tank >...
  • Page 79 7 Settings Tab.99 Phase Operating description Domestic hot water production only. When switching on, if domestic hot water production is authorised and acceleration of domestic hot water production is not required, DHW management ((DP051) config­ ured as ECO (Only HP)), a domestic hot water production cycle is started up for a maximum duration that can be adjusted and fixed by the Max.

  • Page 80: Connection And Installation Examples

    8 Connection and installation examples Connection and installation examples Installation with hydraulic back-up, two heating circuits and a domestic hot water tank Fig.54 AD324 AD324 HK150 HK21 EH812 400V~50Hz 230V~50Hz EH19 AD212 EH904 MW-1001716-1 AD212 Domestic hot water sensor HK21 Internal two-way valve kit (with motor) and flow AD324 SMART TC°...
  • Page 81 8 Connection and installation examples CIRC CIRC AD324 AD32 AD32 AD32 AD32 AD32 AD32 AD32 AD32 AD324 AD324 AD32 AD32 AD32 AD32 AD32 AD32 AD32 AD324 HK150 HK150 HK21 HK21 HK21 HK21 EH812 EH812 EH812 EH812 400V~50Hz 400V~50Hz 230V~50Hz 230V~50Hz EH19 EH19 AD212...
  • Page 82 8 Connection and installation examples 4. Configure and check the parameters of the CIRCA0 circuit. Tab.103 Access Parameter Adjustment required CIRCA0> Parameters, MaxZoneTFlowSetpoint (CP000) Maximum Flow Temperature setpoint zone: 75 °C 21.7 counters, signals > Parameters Adjust the temperature as required Zone Function (CP020) Functionality of the zone: Direct 5.

  • Page 83: Installation With Electrical Back-Up, Two Heating Circuits And A Domestic Hot Water Tank

    8 Connection and installation examples 10. Configure the parameters for the immersion heater on the domestic hot water tank. Tab.107 Access Parameter Adjustment required DHW tank > Parameters, DHW backup type (DP334) IDU/DhwTank Cooling counters, signals > Adv. Parameters Air Src Heat pump > kW rating DHW backup 2.4 kW 23.5...
  • Page 84 8 Connection and installation examples CIRC CIRC AD324 AD32 AD32 AD32 AD32 AD32 AD32 AD32 AD32 AD324 AD324 AD32 AD32 AD32 AD32 AD32 AD32 AD32 AD324 HK150 HK150 HK21 HK21 HK21 HK21 EH812 EH812 EH812 EH812 400V~50Hz 400V~50Hz 230V~50Hz 230V~50Hz EH19 EH19 AD212...
  • Page 85 8 Connection and installation examples 3. Configure and check the parameters of the CIRCA0 circuit. Tab.108 Access Parameter Adjustment required CIRCA0> Parameters, MaxZoneTFlowSetpoint (CP000) Maximum Flow Temperature setpoint zone: 75 °C 21.7 counters, signals > Parameters Adjust the temperature as required Zone Function (CP020) Functionality of the zone: Direct 4.

  • Page 86: Connecting A Swimming Pool

    8 Connection and installation examples 9. Configure the parameters for the immersion heater on the domestic hot water tank. Tab.112 Access Parameter Adjustment required DHW tank > Parameters, DHW backup type IDU/DhwTank Cooling counters, signals > Adv. (DP334) Parameters kW rating DHW backup (HP145) Air Src Heat pump >...

  • Page 87: Operation

    9 Operation Operation Personalising the zones 9.1.1 Definition of the term "zone" Fig.59 Term given to the different hydraulic circuits (CIRCA, CIRCB). It indicates several rooms served by the same circuit. Tab.113 Example: Zone Factory-set name Zone 1 CIRCA Zone 2 CIRCB MW-1001145-2 9.1.2...

  • Page 88: Changing The Name Of An Activity

    9 Operation 9.2.2 Changing the name of an activity The name of the different activities is factory-set: Sleep, Home, Away, Morning, Evening and Custom. If you desire, you can personalise the name of the activities for all of the zones in your installation. 1.

  • Page 89: Activating And Configuring A Timer Programme For Cooling

    9 Operation 2. To activate the timer programming or to change the timer programme, select Scheduling. 3. Select the timer programme to be activated. Information on the active timer programme is given in the upper part of the screen. Fig.61 4.

  • Page 90: Activating And Configuring A Timer Programme For Domestic Hot Water

    9 Operation 1. Select the DHW tank icon. 2. Select the desired operating mode: Tab.116 Mode Description The domestic hot water is produced according to the timer programme Scheduling chosen The domestic hot water temperature remains at the comfort temperature Manual permanently The production of domestic hot water is forced at the comfort temperature...

  • Page 91: Managing The Heating, Cooling And Domestic Hot Water Production

    9 Operation DHW reduced setpoint: used in the Scheduling, Holiday and Antifrostmodes You can change these set point temperature settings to adapt them to your needs. 1. Select the DHW tank icon. 2. Select Comfort DHW set point to modify this set point. 3.

  • Page 92: Starting And Stopping The Heat Pump

    9 Operation 1. Select the Air Src Heat pump icon. 23.5 The energy consumed since the last energy consumption meter reset is displayed: Tab.118 Parameter Description Cool Energy consumed Energy consumed for cooling DHW energy consumed Energy consumed for domestic hot water CH Energy Consumed Energy consumed for central heating 2.

  • Page 93: 10 Maintenance

    10 Maintenance 10 Maintenance 10.1 Precautions to be taken before maintenance operations Important Servicing shall be performed only as recommended by the manufacturer. An annual inspection with a leak-tightness check in accordance with prevailing standards is obligatory. Maintenance operations are important for the following reasons: To guarantee optimum performance.

  • Page 94: Draining The Heating Circuit

    10 Maintenance Tab.122 Other inspection and maintenance operations Check Operations to be carried out Electrical connections Replace any faulty parts and cables. Screws and nuts Check all screws and nuts (cover, support, etc.) are correctly tightened. Insulation Replace any damaged sections of insulation Filters Clean the filters.

  • Page 95: Full Cleaning Of The Magnetic Filter

    10 Maintenance Fig.66 4. Once the water running out of the pipe is clear, re-close the valve. If necessary, open and close the valve several times to create surges, and clean the filter better. MW-1001307-1 Fig.67 5. Refit the magnet. Pushing it in fully. MW-1001308-1 Fig.68 6.
  • Page 96 10 Maintenance Fig.70 4. Once water stops running out of the pipe, close the valve on the filter. MW-1001311-1 Fig.71 5. Unscrew the sludge container using the handling tool provide in the accessories bag. MW-1001312-1 Fig.72 6. Disassemble the different parts of the mud pot. The magnetic particles stuck inside the filter will drop to the bottom.

  • Page 97: Checking The Hydraulic Pressure

    10 Maintenance Fig.74 8. Refit the sludge collector. Caution Risk of breakage. Observe the keyway of the plastic part: align the notch with the pin. Check that the seal is correctly positioned before tightening with the key. 9. Open the stop valves and reactivate the water supply to the appliance. 10.
  • Page 98 10 Maintenance Fig.75 4. Remove the battery located in back plate of the control panel by pushing it gently forwards. 5. Insert a new battery. Important Battery type: CR2032, 3V Do not use rechargeable batteries Do not discard used batteries in the dustbin. Take them to an appropriate collection place.

  • Page 99: 11 Troubleshooting

    11 Troubleshooting 11 Troubleshooting 11.1 Tripping the safety valve If the safety valve is tripped too often, check to ensure the expansion vessel is not blocked. Replace the expansion vessel if necessary. 11.2 Resolving operating errors If your appliance malfunctions, the status LED flashes and/or changes colour and a message containing an error code is displayed on the main screen of the control panel.
  • Page 100 11 Troubleshooting Error Message Description code H00.33 TOutside Closed Outside temperature sensor is either shorted or measures a temperature above range Check the wiring between the central unit PCB and the sensor. Check that the sensor has been fitted properly. Check the Ohmic value of the sensor.
  • Page 101 11 Troubleshooting Error Message Description code H02.02 Wait Config Number Waiting For Configuration Number Waiting for configuration parameters to be entered Configure CN1 / CN2 depending on the output of the outdoor unit installed (CNF menu). Central unit PCB replaced: heat pump not configured H02.03 Conf Error Configuration Error...
  • Page 102 11 Troubleshooting Error Message Description code H02.36 Funct device lost Functional device has been disconnected No communication between the central unit PCB and the additional circuit PCB Check the connection of the supply cable between the PCBs. Check the connection of the BUS cable between the PCBs. Run automatic detection.

  • Page 103: Displaying And Clearing The Error Memory

    11 Troubleshooting Error Message Description code E02.13 Blocking Input Blocking Input of the Control Unit from device external environment Input BL open. Check the wiring. Check the component connected to the BL. contact Check the component connected to the AP001 and AP100. contact E02.24 System flow locking System water flow locking active...
  • Page 104 11 Troubleshooting To access: 1. Press the key. 2. Select the Version Information menu. 3. Select the component for which you would like to see the version information. Version Information Description Appliance information Information on the indoor unit EHC–05 Information on the main EHC–05 PCB for the heat pump DIEMATIC Evolution Information on the user interface SCB-10...

  • Page 105: 12 Decommissioning And Disposal

    12 Decommissioning and disposal 12 Decommissioning and disposal 12.1 Decommissioning procedure To decommission the heat pump temporarily or permanently: 1. Switch off the heat pump. 2. Shut off the electrical power supply to the heat pump: outdoor unit and indoor module. 3.

  • Page 106: 13 Energy Savings

    13 Energy savings 13 Energy savings Energy-saving advice: Do not block ventilation outlets. Do not cover the radiators. Do not hang curtains in front of the radiators. Install reflective panels behind the radiators to prevent heat losses. Insulate the pipes in rooms that are not heated (cellars and lofts). Close the radiators in rooms not in use.

  • Page 107: Spare Parts

    14 Spare parts 14 Spare parts 14.1 Indoor module 14.1.1 Casing Fig.77 MW-1001689-1 Tab.127 Markers Reference Description 300025324 Assembled casing 300025281 Casing bottom 55125 Pipe grommet 60 31/42 - 1 mm thick 55125 Diaphragm feed-through for electrical back-up 95320588 Diaphragm feed-through for hydraulic back-up 7666862 Tank blocking plate 200020022...

  • Page 108: Control System

    14 Spare parts 14.1.2 Control system Fig.78 Control panel MW-1001687-1 Tab.128 List of spare parts for the control panel Marker Reference Description S100860 SCU casing 7704493 SCB-10 PCB 7632096 White 2-pin connector 7632095 Green 2-pin connector 300009102 4-pin telephone relay connector 300009081 5-pin connector TS + Pump B + bridge S100869...
  • Page 109 14 Spare parts Marker Reference Description 7680714 rast5 connector, 3-pin (terminal X4) S62185 Plastic screw 7700064 Grey RJ BUS connector 7675263 Grey complete On/Off switch Fig.79 PCBs 7705849 7673502 7673502 CN20 SENSOR TARGET 7750947 CN21 PAC-IF020-E CN2A CNX2 CNX3 CNX4 S2 S3 7680130 BLUE...

  • Page 110: Other Components

    14 Spare parts 14.1.3 Other components Fig.80 MW-1001690-1 Markers Reference Description 300025284 Tank unit 300025388 Quick-connection T-shaped piece 300025387 T-shaped safety valve 200022010 3.5 bar safety valve 7674063 Heating flow pipe, tank MIT-M 7756241 - v02 - 19062020...
  • Page 111 14 Spare parts Markers Reference Description 7709960 Eltek screw-in pressure gauge 7674060 Heating return pipe 300025325 Quick-release T connection plug 300025392 DN8 flexible hose, l450 300025395 9510-762 expansion vessel 0295174 Drain valve 1/4" 300025257 Heating flow pipe, three-way valve 300003563 PVC pipe, D20x16 300023286 Bulb blocking pin...
  • Page 112 14 Spare parts Markers Reference Description 7676000 Electrical back-up support 7679295 Terminal connection block, immersion heater 96568001 Finder relay, 220 V 30 A 200018815 COTHERM BSDP 0002 thermostat and syringe kit 95320950 Cable clamp 300024354 Cable clamp to clip 300027995 Preheater pipe insulation 1, tank 300027996 Preheater pipe insulation 2, tank...

  • Page 113: 15 Appendix

    15 Appendix 15 Appendix For more information, see Compatible heating devices, page 10 15.1 Product fiche Tab.130 Product fiche for heat pump space heaters MONO AWHP MONO AWHP MONO AWHP 6 MR 8 MR 11 MR Space heating energy efficiency class under average climate condi­ tions Rated heat output under average climate conditions (Prated or...

  • Page 114: Package Fiche

    15 Appendix 15.3 Package fiche Important ‘Medium-temperature application’ means an application where the heat pump space heater or heat pump combination heater delivers its declared capacity for heating at an indoor heat exchanger outlet temperature of 55 °C. Fig.81 Package fiche for medium-temperature heat pumps indicating the space heating energy efficiency of the package Seasonal space heating energy effi...
  • Page 115 15 Appendix The value of the mathematical expression 115/(11 · Prated), whereby "Prated" is related to the preferential space heater. The value of the difference between the seasonal space heating energy efficiencies under average and colder climate conditions, expressed in %. The value of the difference between the seasonal space heating energy efficiencies under warmer and average climate conditions, expressed in %.
  • Page 116 15 Appendix MIT-M 7756241 - v02 - 19062020...
  • Page 117 15 Appendix 7756241 - v02 - 19062020 MIT-M...
  • Page 118 15 Appendix MIT-M 7756241 - v02 - 19062020...
  • Page 119 © Copyright All technical and technological information contained in these technical instructions, as well as any drawings and technical descriptions supplied, remain our property and shall not be multiplied without our prior consent in writing. Subject to alterations.
  • Page 120 57, rue de la Gare - F-67580 Mertzwiller 03 88 80 27 00 SERVICE CONSOMMATEURS 0 825 120 520 0,15 / min 03 88 80 27 99 www.dedietrich-thermique.fr VAN MARCKE NV 000 «БДP T » LAR Blok Z, 5 129164, Россия, г. Москва B- 8511 KORTRIJK Зубарев...

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