DeDietrich AWHP 6 MR Installation And Service Manual
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DeDietrich AWHP 6 MR Installation And Service Manual

Air / water heat pump
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HPI
Air / water heat pump
AWHP MIT-IN iSystem
300027606-001-01
Installation and

Service Manual

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Summary of Contents for DeDietrich AWHP 6 MR

  • Page 1: Service Manual

    Air / water heat pump AWHP MIT-IN iSystem Installation and Service Manual 300027606-001-01...

  • Page 2: Table Of Contents

    Contents Introduction ....................6 Symbols used ............6 1.1.1 Symbols used in the manual ........6 1.1.2 Symbols used on the equipment ......6 Abbreviations ............7 General ..............7 1.3.1 Manufacturer's liability ..........7 1.3.2 Installer's liability .............7 Homologations ............8 1.4.1 Certifications ............8 Safety instructions and recommendations ..........9 Safety instructions ..........9 Recommendations ..........9 Technical description ................11...
  • Page 3 Contents Data plate .............19 Installing the outdoor module ......19 4.4.1 Location of the appliance ........19 4.4.2 Main dimensions ...........22 4.4.3 Locating the outside module ........26 Installing the indoor module ......27 4.5.1 Location of the appliance ........27 4.5.2 Main dimensions ...........27 4.5.3 Assembly of the MIT indoor module ......28 Installing the outside sensor ......29...
  • Page 4 4.11.17 Connection in cascade ..........61 4.11.18 Connection example in power cut off EVU ....63 4.12 Electrical principle diagram .......66 Commissioning ..................70 Control panel ............70 5.1.1 Description of the keys ..........70 5.1.2 Description of the display ........71 5.1.3 Access to the various browsing levels ....74 5.1.4 Browsing in the menus ..........75 Check points before commissioning ....76...
  • Page 5 Failure history ...........115 Parameter and input/output check (mode tests) ..............115 Spare parts ....................121 General ..............121 Spare parts ............121 9.2.1 AWHP 6 MR ............121 9.2.2 AWHP 8 MR ............123 9.2.3 AWHP 11 - 16 .............126 9.2.4 AWHP 22 - 27 .............132 9.2.5...
  • Page 6 24/09/2012 - 300027606-001-01...

  • Page 7: Introduction

    AWHP MIT-IN iSystem 1. Introduction Introduction Symbols used 1.1.1. Symbols used in the manual In these instructions, various danger levels are employed to draw the user's attention to particular information. In so doing, we wish to safeguard the user's safety, obviate hazards and guarantee correct operation of the appliance.

  • Page 8: Abbreviations

    1. Introduction AWHP MIT-IN iSystem Abbreviations 4 DHW: Domestic hot water 4 PPS: Polypropylene hardly inflammable 4 PCU: Primary Control Unit - PCB contoller for heat pump operation 4 PSU: Parameter Storage Unit - Parameter storage for PCBs PCU and SU 4 SCU: Secondary Control Unit - DIEMATIC iSystem control panel 4 SU: Safety Unit - Safety PCB 4 3WV: 3-way valve...

  • Page 9: Homologations

    AWHP MIT-IN iSystem 1. Introduction 4 If a maintenance is necessary, warn the user of the obligation to check the appliance and maintain it in good working order. 4 Give all the instruction manuals to the user. Homologations 1.4.1. Certifications This product complies to the requirements to the european directives and following standards: 4 2006/95/EC Low Voltage Directive.

  • Page 10: Safety Instructions And Recommendations

    2. Safety instructions and recommendations AWHP MIT-IN iSystem Safety instructions and recommendations Safety instructions DANGER If smoke is released or in case of refrigerant leak: Do not use a naked flame, do not smoke, do not operate electrical contacts or switches ( doorbell, light, motor, lift, etc..).
  • Page 11 AWHP MIT-IN iSystem 2. Safety instructions and recommendations Keep this document close to the place where the boiler is installed. CAUTION Use tools and pipe components especially designed for use with R410A refrigerant. Install the appliance on a solid, stable structure able to bear its weight.

  • Page 12: Technical Description

    3. Technical description AWHP MIT-IN iSystem Technical description General description The AWHP MIT-IN iSystem heat pump is composed of two elements: 4 The outside unit handles energy production in hot or cold mode. 4 The inside module handles thermal exchange between the R410A fluid and the hydraulic circuit.

  • Page 13: Mit-In/E

    AWHP MIT-IN iSystem 3. Technical description 3.2.2. MIT-IN/E Automatic air bleed tank High energy efficient heating pump Plate heat exchanger electrical support Flowmeter Table cover unit Control panel Safety valve Pressure gauge Expansion vessel Automatic air bleed M002484-A Electric heater Operating principle 3.3.1.

  • Page 14: Skeleton Diagrams

    3. Technical description AWHP MIT-IN iSystem 3.3.2. Skeleton Diagrams n MIT-IN/H MIT-IN H AWHP M002487-D tank Filter Flowmeter Radiator Plate heat exchanger Boiler n MIT-IN/E MIT-IN E AWHP M002488-D tank Filter Flowmeter Radiator Plate heat exchanger 24/09/2012 - 300027606-001-01...

  • Page 15: Pressure Available

    4 Limit operating temperatures in Hot mode: - Water: +18 °C / +55 °C - Outside air: -15 °C / +35 °C (AWHP 6 MR, 8 MR) -20 °C / +35 °C (AWHP 11-27) 4 Limit operating temperatures in Cooling mode:...

  • Page 16: Sensor Characteristics

    3. Technical description AWHP MIT-IN iSystem - Water: +7 °C / +25 °C - Outside air: +15 °C / +40 °C (At less than 18°C, it is necessary to use the HK24 insulation kit option) 4 Maximum operating pressure: 3 bar AWHP 6 MR 8 MR...
  • Page 17 AWHP MIT-IN iSystem 3. Technical description DHW sensor Flow sensor Temperature in °C 0 Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941 24/09/2012 - 300027606-001-01...

  • Page 18: Installation

    4 An outside sensor 4 A mounting rail (screwed to the pallet) 4 The installation and maintenance instructions 4 The user instructions Description Pack no. AWHP 6 MR EH136 AWHP 8 MR EH96 AWHP 11 MR EH97 AWHP 11 TR...

  • Page 19: Accessories

    AWHP MIT-IN iSystem 4. Installation 4.2.2. Accessories Various options are available depending on the configuration of the installation: Description package DHW sensor AD212 Optional PCB for 3-way valve AD249 System sensor AD250 Outside radio-controlled temperature sensor AD251 Radio module AD252 Radio remote control AD253 Interactive remote control...

  • Page 20: Data Plate

    4. Installation AWHP MIT-IN iSystem Data plate This data plate is affixed to the inside side panel of the appliance in the factory. When installation has been completed, affix the data plate provided in the instructions bag to the casing of the appliance in a position where it can be seen.
  • Page 21 AWHP MIT-IN iSystem 4. Installation In some cases, additional precautions are necessary owing to the fact, for example, of too short a distance between you and your neighbours. When installing a noise reduction screen, respect the following recommendations: 4 Locate the noise reduction screen as close as possible to the noise source whilst allowing for the free circulation of air in the exchanger on the outside unit and maintenance work.
  • Page 22 4. Installation AWHP MIT-IN iSystem ¼ See chapter: "Installing the pipes", page 30. 1000 Dimension (mm) AWHP 6-8 MR AWHP 11-14-16-22-27 MR-TR 1000 1000 1500 24/09/2012 - 300027606-001-01...

  • Page 23: Main Dimensions

    AWHP MIT-IN iSystem 4. Installation 4.4.2. Main dimensions n AWHP 6 MR M002199-A 1/4" flare refrigerant fitting 1/2" flare refrigerant gas fitting 24/09/2012 - 300027606-001-01...
  • Page 24 4. Installation AWHP MIT-IN iSystem n AWHP 8 MR M001442-C 3/8" flare refrigerant fitting 5/8" flare refrigerant gas fitting 24/09/2012 - 300027606-001-01...
  • Page 25 AWHP MIT-IN iSystem 4. Installation n AWHP 11 to 16 1350 M002394-C 3/8" flare refrigerant fitting 5/8" flare refrigerant gas fitting 24/09/2012 - 300027606-001-01...
  • Page 26 4. Installation AWHP MIT-IN iSystem n AWHP 22 to 27 1050 1338 M002629-A AWHP 22 : 450 AWHP 27 : 424 3/8" flare refrigerant fitting (AWHP 22) 1/2" flare refrigerant fitting (AWHP 27) 3/4" flare refrigerant gas fitting 24/09/2012 - 300027606-001-01...

  • Page 27: Locating The Outside Module

    AWHP MIT-IN iSystem 4. Installation 4.4.3. Locating the outside module CAUTION >45° Keep the appliance vertical during transport. M001456-A n Installation on the ground Concrete base frame Condensates run-off Install a run-off channel with pebble bed 4 Use the ground installation base kit available as optional equipment: Package EH112.

  • Page 28: Installing The Indoor Module

    4. Installation AWHP MIT-IN iSystem Installing the indoor module 4.5.1. Location of the appliance CAUTION Install the appliance in frost-free premises. Fix the appliance to a solid wall capable of bearing the weight of the appliance when full of water and fully equipped.

  • Page 29: Assembly Of The Mit Indoor Module

    AWHP MIT-IN iSystem 4. Installation 4.5.3. Assembly of the MIT indoor module n Fitting the mounting rail 1. Drill 2 holes with a Ø of 10 mm. Additional holes are provided in case one or other of the standard locating holes prevents the correct location of the plugs.

  • Page 30: Installing The Outside Sensor

    4. Installation AWHP MIT-IN iSystem Installing the outside sensor 4.6.1. Choice of the location It is important to select a place that allows the sensor to measure the outside conditions correctly and effectively. Advised positions: 4 on one face of the area to be heated, on the north if possible 4 half way up the wall in the room to be heated 4 under the influence of meteorological variations 4 protected from direct sunlight...

  • Page 31: Combination With A Dhw Tank

    AWHP MIT-IN iSystem 4. Installation Inserts Ø4 wood screw ¼ For the connection of the outside temperature sensor, refer to the chapter "Electrical Connections". 8800N003-C Combination with a DHW tank In order to optimise domestic hot water production, the recommended combinations of heat pumps and DHW tanks are:.
  • Page 32 Add refrigerant via the refrigerant shut off valve using a safety loader. Model Quantity of refrigerant to be added 31 to 40 m 41 to 50 m 51 to 60 m 61 to 75 m AWHP 6 MR 0.2 kg 0.4 kg AWHP 8 MR 0.6 kg...
  • Page 33 AWHP MIT-IN iSystem 4. Installation 3. Unscrew the screws. CAUTION Keep the frigorific connection in place on the MIT with a spanner so as not to twist the internal pipe. M002397-C 4. Remove and discard the gates. M002498-A 5. Only for the 6MR model Fit the 1/4"...
  • Page 34 4. Installation AWHP MIT-IN iSystem 8. Models 22TR to 27TR Slip the nut onto the pipe. Bead the pipes. 22TR - 27TR M002400-B A Only for 6 MR models B For all models except 6 MR - 22 TR - 27 TR Apply refrigerant oil to the beaded parts to facilitate tightening and improve watertightness.
  • Page 35 AWHP MIT-IN iSystem 4. Installation 11.Unscrew the nuts on the shut off valves. 12.Slip the nuts onto the pipes. 13.Bead the pipes. M002403-A 14.Apply refrigerant oil to the beaded parts to facilitate tightening and improve watertightness. Connect the pipes and tighten the nuts with a dynamometric spanner.

  • Page 36: Water Tightness Test

    4. Installation AWHP MIT-IN iSystem 4.8.2. Water tightness test 1. Check that the shut off valves A and B are closed. 2. Connect the pressure gauge valve and the nitrogen cylinder to the operating connection C on the shut off valve A. 3.

  • Page 37: Adding Refrigerant

    Add refrigerant via the refrigerant shut off valve using a safety loader. Model (Outside Quantity of refrigerant to be added module) 31 to 40 m 41 to 50 m 51 to 60 m 61 to 75 m AWHP 6 MR 0.2 kg 0.4 kg AWHP 8 MR 0.6 kg 1.2 kg...

  • Page 38: Connection Of The Heating Circuit

    4. Installation AWHP MIT-IN iSystem 4.9.2. Connection of the heating circuit 1. Connect the heating water return pipe to the heating return connection. z : Screw-on connection ∅ 1" 2. Connect the heating water outlet pipe to the heating flow connection.
  • Page 39 AWHP MIT-IN iSystem 4. Installation n Example of connecting a system with MIT-IN/E MIT-IN E HK21 HK23 AWHP M002501-D 3-bar safety valve Pressure gauge Automatic air vent Isolating valve Automatically regulated electronic pump for direct heating circuit Pump for heating circuit with mixing valve Closed expansion vessel Drain cock Filling the heating circuit...

  • Page 40: 4.10 Filling The Heating System

    4. Installation AWHP MIT-IN iSystem Primary pump Safety thermostat Disconnector Thermostat valve Differential valve Domestic hot water circulation loop return Domestic hot water outlet Direct heating circuit Heating circuit with mixing valve Heat transfer fluid container Thermostatic distribution valve for each zone 4.10 Filling the heating system 4.10.1.

  • Page 41: Filling The System

    AWHP MIT-IN iSystem 4. Installation Rinse the central heating installation with at least 3x the volume of the central heating installation. Flush the DHW pipes with at least 20 times the volume of the pipes. For an optimum functioning of the boiler, the water of the installation must comply with following characteristics: Output ≤...

  • Page 42: 4.11 Electrical Connections

    4. Installation AWHP MIT-IN iSystem 4.11 Electrical connections 4.11.1. Recommendations WARNING Only qualified professionnals may carry out electrical connections, always with the power off. Earth the appliance before making any electrical connections. Make the electrical connections of the appliance according to: 4 The instructions of the prevailing standards, 4 The instructions on the circuit diagrams provided with the appliance,...

  • Page 43: Recommended Cable Cross Section

    AWHP MIT-IN iSystem 4. Installation 4.11.2. Recommended cable cross section The electrical characteristics of the mains power supply available must correspond to the values given on the rating plate. The cable will be carefully chosen according to the following information: 4 Maximum intensity of the outdoor module.

  • Page 44: Accessing The Connection Terminal Blocks

    4. Installation AWHP MIT-IN iSystem 4.11.3. Accessing the connection terminal blocks To access the connection terminal blocks, proceed as follows: 1. Unscrew the 2 screws under the front panel by a quarter turn. 2. Remove the front panel. M002382-B 3. Open the holding clips located on the sides. 4.

  • Page 45: Position Of The Pcbs

    AWHP MIT-IN iSystem 4. Installation 7. Unclip the PCB cover. M002492-A 4.11.4. Position of the PCBs TS + On/off 0-10V S AMB C S AMB B S AMB A S EXT S ECS A B 0V 4 3 2 1 2 1 TS + S SYST + TA - S ECS S EXT S DEP C...

  • Page 46: Location Of The Fuse

    4. Installation AWHP MIT-IN iSystem 4.11.5. Location of the fuse F1 6,3 AT fuse 250 V AC Spare fuse M002494-B 4.11.6. Connecting the outdoor module M001478-B Single phase power supply Three-phase power supply 4.11.7. Connecting the communication cable between the inside and outside modules Communication cable liaison: 3 x 1.5 mm Cable to be supplied by the installer.

  • Page 47: Description Of The Terminal Block On The Inside Module

    AWHP MIT-IN iSystem 4. Installation S2S3 M002407-B WARNING Be careful that you do not invert the wires. Connect to terminals S2, S3 and *. Connect to terminals S2, S3 and *. (Outside module) 4.11.8. Description of the terminal block on the inside module n MIT-IN/H Bus for communication with the outside module...

  • Page 48: Connecting The Mains Supply To The Inside Module

    4. Installation AWHP MIT-IN iSystem n MIT-IN/E Ouput configuration of electric back-ups Auxiliary electrical power supply Bus for communication with the outside module Configuration Alim appoint électrique Alim appoint électrique M002409-B 4.11.9. Connecting the mains supply to the inside module L (Live: Brown) N (Neutral: Blue) * (Earth: Green/yellow wire)
  • Page 49 AWHP MIT-IN iSystem 4. Installation Single phase power supply: 230 V AC CAUTION The earth conductor must be longer than the live and neutral conductors. n Fitting the jumpers and bridges Configuration Alim appoint électrique Alim appoint électrique BUS<>HP BUS<>HP Configuration Alim appoint électrique Alim appoint électrique...

  • Page 50: Connecting The Hydraulic Auxilary On The Inside Module (Mit-In/H Only)

    4. Installation AWHP MIT-IN iSystem Type BACKUP TYPE Back-up Output Bridge setting Three-phase /E2 Stage1 4 kW between C3 and Stage2 8 kW Stage1 + 2 12 kW Stage1 8 kW between C2 and Stage2 4 kW Stage1 + 2 12 kW Stage1 4 kW Remove bridge...

  • Page 51: Example Of Connecting A System With Mit-In/ H

    AWHP MIT-IN iSystem 4. Installation 4.11.12. Example of connecting a system with MIT- IN/H n Boiler fitted with a control panel with a TAM and/or I.TEL: input 0-10V S AMB C S AMB B S AMB A 4 3 2 1 2 1 TS + S SYST + TA - S ECS S EXT S DEP C...
  • Page 52 4. Installation AWHP MIT-IN iSystem Connect a safety thermostat if the heating circuit is for underfloor heating: Remove the bridge. Connect the wires from the safety thermostat to the connector. Not used: Do not connect anything to the terminal block. Connect the BUS cable between the outside module and the terminal block on the inside module.
  • Page 53 AWHP MIT-IN iSystem 4. Installation Set the boiler thermostat to the same value as HEAP MAX:. 4 Other Heating temperature setting = HEAP MAX:. Operating principle 4 No back-up requested: The boiler continues to provide DHW. Contacts AL1 and AL2 are both open.
  • Page 54 4. Installation AWHP MIT-IN iSystem CAUTION Do not connect anything to the DHW pump outlet. Connect the outside temperature sensor. Connect the heating pump (Circuit A). Connect the 3-way valve motor (Circuit B). Connect the heating pump (Circuit B). Connect a safety thermostat if the heating circuit is for underfloor heating: Remove the bridge.

  • Page 55: Example Of Connecting A System With Mit-In/ E

    AWHP MIT-IN iSystem 4. Installation 4 In auxiliary heater mode: The MIT module controls input CS on the boiler and the back-up pump. When back-up is requested, the boiler continues to handle DHW priority. After the back-up is shut down, the back-up pump continues to run during the timed period POST P.BOOSTER which can be adjusted in the #HEAT PUMP menu.
  • Page 56 4. Installation AWHP MIT-IN iSystem Connect the outside temperature sensor. Connect the 3-way valve motor (circuit B) and the circuit B flow sensor. Connect the heating pump (Circuit B). Connect a safety thermostat if the heating circuit is for underfloor heating: Remove the bridge. Connect the wires from the safety thermostat to the connector.

  • Page 57: Connection Example In Cooling Mode

    AWHP MIT-IN iSystem 4. Installation Settings to be made for this type of installation Parameters Access Settings to be made See chapter ¼ "Professional settings", page 91 Installer level HP BUS #PRIMARY INSTAL.P menu ¼ "Professional settings", page 91 Installer level /E1 (Stage1) BACKUP TYPE #PRIMARY INSTAL.P menu...
  • Page 58 4. Installation AWHP MIT-IN iSystem Connect the outside temperature sensor. Connect the 3-way valve motor (circuit B) and the circuit B flow sensor. Connect the heating pump (Circuit B). Connect a safety thermostat if the heating circuit is for underfloor heating: Remove the bridge. Connect the wires from the safety thermostat to the connector.

  • Page 59: Pool Connection

    AWHP MIT-IN iSystem 4. Installation Settings to be made for this type of installation Parameters Access Settings to be made See chapter ¼ "Setting the parameters specific to Installer level PUMP MIT/MHR CIRC. A: #SYSTEM menu the installation", page 78 ¼...
  • Page 60 4. Installation AWHP MIT-IN iSystem Connect the primary swimming pool pump. Do not connect anything to the terminal block. Settings to be made for this type of installation Parameters Access Settings to be made ¼ "Displaying the parameters in INSTALLATION Installer level EXTENDED Menu #SYSTEM extended mode", page 78...

  • Page 61: Connecting The Options

    AWHP MIT-IN iSystem 4. Installation n Stopping To prepare your pool for winter, consult your pool specialist. 4.11.16. Connecting the options TS + 0-10V S AMB C S AMB B S AMB A 4 3 2 1 2 1 TS + S SYST + TA - S ECS S EXT S DEP C...

  • Page 62: Connection In Cascade

    4. Installation AWHP MIT-IN iSystem Settings to be made for this type of installation Parameters Access Settings to be made See chapter ¼ "Displaying the parameters in extended Installer level INSTALLATION EXTENDED #SYSTEM menu mode", page 78 ¼ "Setting the parameters specific to the Installer level FAILURE O.PUMP A...
  • Page 63 AWHP MIT-IN iSystem 4. Installation Cascade outlet sensor Connect the sensor to the S SYST terminal block on the master appliance. CAUTION The "cooling" function is impossible with a connection in cascade. Settings to be made for this type of installation: MIT master module Parameters Access Settings to be made...

  • Page 64: Connection Example In Power Cut Off Evu

    4. Installation AWHP MIT-IN iSystem 4.11.18. Connection example in power cut off EVU 0-10V S AMB C S AMB B S AMB A 4 3 2 1 2 1 TS + S SYST + TA - S ECS S EXT S DEP C S DEP B MIT-IN E AWHP...
  • Page 65 AWHP MIT-IN iSystem 4. Installation Connect the DHW tank anode. CAUTION If the tank is fitted with a Titan Active System® impressed current anode, connect the anode to the inlet (+ TA on the anode, - on the tank). If the tank is not fitted with an impressed current anode, put the simulation connector in place (delivered with the DHW sensor - package AD212).
  • Page 66 4. Installation AWHP MIT-IN iSystem Settings to be made for this type of installation Parameters Access Settings to be made See chapter ¼ "Professional settings", page Installer level CIRC.CURVE B #SECONDARY INSTAL.P menu ¼ "Professional settings", page Installer level 7 °C OFFSET EVU #SECONDARY INSTAL.P menu ¼...

  • Page 67: 4.12 Electrical Principle Diagram

    AWHP MIT-IN iSystem 4. Installation 4.12 Electrical principle diagram 24/09/2012 - 300027606-001-01...
  • Page 68 4. Installation AWHP MIT-IN iSystem Input 0-10 V Baffle, Circuit A, B M A, B Hydraulic additional heating AL1 M, Homologation C1, C2, Cooling sensor CN21 24/09/2012 - 300027606-001-01...
  • Page 69 AWHP MIT-IN iSystem 4. Installation Heating sensor CN20 HP setpoint CN2A Machine fault CNX2 Defrosting CNX4 Compressor - ON CNX3 Electrical back-up - Domestic hot water 6.3A fuse F6.3AT Display PCB connector Live Auxiliary electrical power supply L1, L2, L3, D3, Neutral Primary control unit Resistance...
  • Page 70 4. Installation AWHP MIT-IN iSystem 24/09/2012 - 300027606-001-01...

  • Page 71: Commissioning

    AWHP MIT-IN iSystem 5. Commissioning Commissioning Control panel 5.1.1. Description of the keys AUTO Temperature setting key (heating, DHW, swimming pool) Operating mode selection key DHW override key Key to access the parameters reserved for the installer Keys on which the function varies as and when selections are made ¼...

  • Page 72: Description Of The Display

    5. Commissioning AWHP MIT-IN iSystem 5.1.2. Description of the display n Key functions Access to the various menus > Used to scroll through the menus Used to scroll through the parameters The symbol is displayed when help is available Used to display the curve of the parameter selected <...
  • Page 73 AWHP MIT-IN iSystem 5. Commissioning Operation in automatic mode according to the timer AUTO programme. Comfort mode: The symbol is displayed when a DAY override (comfort) is activated. Flashing symbol: Temporary override < AUTO Steady symbol: Permanent override Reduced mode: The symbol is displayed when a NIGHT override (reduced) is activated.
  • Page 74 5. Commissioning AWHP MIT-IN iSystem n Electrical back-up The symbol 1 or 2 lights up, depending on whether stage 1 or 2 on the electrical back-up is commanded. < AUTO n Hydraulic additional heating Steady symbol: The burner and the heating pump on the back-up boiler are commanded.

  • Page 75: Access To The Various Browsing Levels

    AWHP MIT-IN iSystem 5. Commissioning 5.1.3. Access to the various browsing levels n User level The information and settings in the User level can be accessed by everyone. 1. Press the > key. SUNDAY 11:45 < AUTO C002219-D-04 n Installer level The information and settings in the Installer level can be accessed by experienced people.

  • Page 76: Browsing In The Menus

    5. Commissioning AWHP MIT-IN iSystem n After Sales level The After Sales Service information and settings can be accessed by the professional providing the After Sales Service. 1. Press the > key. SUNDAY 11:45 < AUTO C002219-D-04 2. Press key - for around 5 seconds. It is also possible to access the After Sales level by SUNDAY 11:45 pressing only the - key for around 10 seconds.

  • Page 77: Check Points Before Commissioning

    AWHP MIT-IN iSystem 5. Commissioning 5. To modify the parameter, turn the rotary button. 6. To confirm, press the rotary button. CURRENT PROG.C "Choice of the timeprogram applied C" To cancel, press key h . < AUTO C002222-C-04 7. To go back to the main display, press key j 2 times. It is possible to use the ( and ' keys instead of the rotary LUNDI 11:45 button.

  • Page 78: Putting The Appliance Into Operation

    5. Commissioning AWHP MIT-IN iSystem Putting the appliance into operation 1. Switch on the power by throwing the on/off switch on the inside module. C002366-B 2. The first time the boiler is powered up, the LANGUAGE menu is displayed. Select the desired language by turning the rotary button.

  • Page 79: Checks And Adjustments After Commissioning

    AWHP MIT-IN iSystem 5. Commissioning Checks and adjustments after commissioning 5.4.1. Displaying the parameters in extended mode The display mode on the control panel is set as standard in such a way as only to show the conventional parameters. It is possible to switch to extended mode by proceeding as follows: 1.
  • Page 80 5. Commissioning AWHP MIT-IN iSystem Installer level - Menu #SYSTEM Parameter Adjustment range Description Factory setting Customer setting Use as a direct heating circuit (Radiator). (1) (2) DIRECT DIRECT CIRC. A: Cooling is not possible. Use as direct circuit on underfloor heating. HEATING FL.
  • Page 81 AWHP MIT-IN iSystem 5. Commissioning Installer level - Menu #SYSTEM Parameter Adjustment range Description Factory setting Customer setting The inlet sensor is used to connect the common (1) (4) SYSTEM SYSTEM I.SYST flow sensor of a cascade system. Hot water storage tank affected to heating only. STORAGE TANK Using the DHW tank with 2 sensors (top and DHW STRAT...
  • Page 82 5. Commissioning AWHP MIT-IN iSystem Influence of the parameter setting CT.TEL on the I.TEL: contact CT.TEL I.TEL: I.TEL: contact closed I.TEL: contact open The antifreeze mode is active on all circuits. The mode selected on the inside module is active. CLOSE ANTIFR The heating system is off.
  • Page 83 AWHP MIT-IN iSystem 5. Commissioning n Power cut off (EVU) M002702-A Circulator MIT EVU power cut off timer program Compressor Outside temperature Temperature set point MIT Temperature OFFSET EVU (0 to 20 K) Phase A ( ¼ See below) Phase B ( ¼ See below) Phase C ( ¼...

  • Page 84: Naming The Circuits And Generators

    5. Commissioning AWHP MIT-IN iSystem 5.4.3. Naming the circuits and generators 1. Access the installer level: Press key - for around 5 seconds. 2. Select the menu #NAMES OF THE CIRCUITS. SUNDAY 11:45 Turn the rotary button to scroll through the menus or TEMP.: 68°...

  • Page 85: Setting The Heating Curve

    AWHP MIT-IN iSystem 5. Commissioning 5.4.4. Setting the heating curve 1. Access the installer level: Press key - for around 5 seconds. 2. Select the menu #SECONDARY INSTAL.P. SUNDAY 11:45 Turn the rotary button to scroll through the menus or TEMP.: 68°...
  • Page 86 5. Commissioning AWHP MIT-IN iSystem n Heating curve without BCT Maximum temperature of the circuit C° Water temperature in the circuit for an outside temperature of 0°C DAY set point on the circuit Outside temperature for which the maximum water temperature in the circuit is reached Value of the heating curve Select the parameter CIRC.

  • Page 87: Setting The Heating Pump Speed On The Heat Pump

    AWHP MIT-IN iSystem 5. Commissioning 5.4.5. Setting the heating pump speed on the heat pump The setting is used to select the speed of the primary pump located between the condenser and the tank; it is important to guarantee optimal performance of the heat pump. 1.

  • Page 88: Setting The Flow Rate Threshold

    5. Commissioning AWHP MIT-IN iSystem CAUTION The integrated filter must be cleaned after one hour's operation on commissioning. ¼ "Cleaning the 400 µm filter", page 104. 5.4.7. Setting the flow rate threshold Setting the flow rate threshold is used to select the threshold below which the heat pump goes into safety shutdown.

  • Page 89: Reading Out Measured Values

    AWHP MIT-IN iSystem 5. Commissioning CAUTION Check the water flow rate in the system, which must be higher by at least 4 to 5 l/min than the MIN.MES.FLOW. value. Check the parameter FLOWMETER. ¼ See chapter: "Reading out measured values", page If the flow rate is too low, clean the filter upstream of the plate heat exchanger.

  • Page 90: Changing The Settings

    5. Commissioning AWHP MIT-IN iSystem User level - Menu #MEASURES Parameter Description Unit Water temperature in the second DHW tank connected to the AUX circuit °C TEMP.TANK AUX Water temperature in the second DHW tank connected to circuit A °C DHW A TEMP.

  • Page 91: Calibrating The Sensors

    AWHP MIT-IN iSystem 5. Commissioning 5.6.2. Calibrating the sensors 1. To access user level: Press the > key. 2. Select the menu #SETTING. SUNDAY 11:45 Turn the rotary button to scroll through the menus or modify a value. Press the rotary button to access the selected menu <...

  • Page 92: Professional Settings

    5. Commissioning AWHP MIT-IN iSystem 5.6.3. Professional settings 1. Access the installer level: Press key - for around 5 seconds. 2. Set the following parameters: SUNDAY 11:45 Turn the rotary button to scroll through the menus or TEMP.: 68° modify a value. Press the rotary button to access the selected menu <...

  • Page 93: Installer Level - Menu #Primary Instal.p

    AWHP MIT-IN iSystem 5. Commissioning Installer level - Menu #SECONDARY LIMITS Parameter Adjustment range Description Factory setting (1) (2) OFF, 20 to 90 °C Curve base temperature in Daytime mode (Circuit C) HCZP D C OFF, 20 to 90 °C Curve base temperature in Nighttime mode (Circuit C) (1) (2) HCZP N C...
  • Page 94 5. Commissioning AWHP MIT-IN iSystem Installer level - Menu #PRIMARY INSTAL.P Parameter Adjustment range Description Factory setting Customer setting 0 to 99 min Post-operation time delay MIT pump 3 mn MIT.PUMP.DELAY Nature of back-ups BACKUP TYPE /E1: 1 stage electrical back-up /E2: 2 stage electrical back-up /H: Hydraulic additional heating OFF / ON...
  • Page 95 AWHP MIT-IN iSystem 5. Commissioning Installer level - Menu #SECONDARY INSTAL.P Parameter Adjustment range Description Factory setting Customer setting 0 (10 hours) to 10 Characterisation of building's inertia: 3 (22 hours) BUILD. INERTIA (50 hours) 0 for a building with low thermal inertia. 3 for a building with normal thermal inertia.
  • Page 96 5. Commissioning AWHP MIT-IN iSystem Installer level - Menu #SECONDARY INSTAL.P Parameter Adjustment range Description Factory setting Customer setting The lower temperature is maintained NIGHT DEC. DEC. (Night mode) ¼ "NIGHT", page 97 The boiler is stopped (Night mode) STOP ¼...
  • Page 97 AWHP MIT-IN iSystem 5. Commissioning Installer level - Menu #SOLAR Parameter Adjustment range Description Factory Customer setting setting 0 to 30 °C Maximum drop in the DHW set point when 5°C DEC.SOLAR DHW the solar pump is running at 100% 10 to 20 °C Temperature difference that the solar 10°C...
  • Page 98 5. Commissioning AWHP MIT-IN iSystem The activation of this parameter (setting other than OFF) forces the permanent display of SCREED DRYING and deactivates all other functions on the control unit. When floor drying is active on a circuit, all other circuits (e.g. DHW) are shut down.
  • Page 99 AWHP MIT-IN iSystem 5. Commissioning 4 NIGHT :STOP (Stop): Heating is shut down during reduced periods. When installation antifreeze is active, the reduced temperature is maintained during reduced periods. For circuits with a room sensor: 4 When the room temperature is lower than the room sensor set point: The reduced temperature is maintained during reduced periods.

  • Page 100: Configuring The Network

    5. Commissioning AWHP MIT-IN iSystem The quantity of heat (kWh value) can only be used for checks carried out for personal reasons. Flat solar panels Solar panel ) Number of Flow rate Flow rate Area (m installation panels (l/h) (l/min) 3...5 1 or 2 6...8...
  • Page 101 AWHP MIT-IN iSystem 5. Commissioning Installer level - Menu #NETWORK Parameter Adjustment range Description Factory setting Customer setting Operation in cascade: Successive CLASSIC CLASSIC FUNCT tripping of the various generators in the cascade according to needs Functioning in parallel cascade: If the PARALLEL outside temperature is lower than the PARALLEL CASC.
  • Page 102 5. Commissioning AWHP MIT-IN iSystem 3. To add a slave appliance to the network, select ADD SLAVE. NB.NETWORK ELEMENTS ADD SLAVE ERASE NETWORK < AUTO C002410-C-04 4. The screen displayed allows you to choose numbers for the slave boilers to be added to the network. Numbers 2 to 10 are dedicated to the generators and numbers 20 to 39 to the VM iSystem.

  • Page 103: Return To The Factory Settings

    AWHP MIT-IN iSystem 5. Commissioning 4. The screen displayed is used to select the numbers of the slave VMs to be removed from the network. Turn the rotary button to scroll through the numbers and press to remove the number chosen.

  • Page 104: Switching Off The Appliance

    6. Switching off the appliance AWHP MIT-IN iSystem Switching off the appliance Installation shutdown If the central heating system is not used for a long period, we recommend switching the appliance off. To stop the inside module, use the J/K ON/OFF switch and cut the power supply on the house's junction box.

  • Page 105: Checking And Maintenance

    AWHP MIT-IN iSystem 7. Checking and maintenance Checking and maintenance General instructions CAUTION Maintenance operations must be done by a qualified engineer. An annual inspection is compulsory. Only original spare parts must be used. Before carrying out any maintenance work requiring the shutdown of the inside module, also cut the power supply to the outside module to prevent any errors in communication.

  • Page 106: Customising Maintenance

    7. Checking and maintenance AWHP MIT-IN iSystem outside unit Speed of the Nominal Minimum flow rate heat pump water flow recommended heating pump l/min l/min AWHP 14MR/ AWHP 16MR/ AWHP 22TR AWHP 27TR 1. Close the valve on the exchanger. 2.

  • Page 107: Contact Details Of The Professional For After Sales Support

    AWHP MIT-IN iSystem 7. Checking and maintenance After Sales level - Menu #REVISION Parameter Adjustment range Description Factory setting REVISION TYPE No message indicating that maintenance is necessary Recommended setting MANU Signals that maintenance is necessary on the date selected. Set the date using the parameters below.
  • Page 108 7. Checking and maintenance AWHP MIT-IN iSystem When the message REVISION is displayed, press ? to display the professional's telephone number. SUNDAY 11:45 TEMP. : 68° PCU COM.FAIL D27 < AUTO C002302-D-04 24/09/2012 - 300027606-001-01...

  • Page 109: Troubleshooting

    AWHP MIT-IN iSystem 8. Troubleshooting Troubleshooting Anti-hunting When the heat pump is in "anti-short cycle" operating mode, the symbol "?" flashes. This is a normal operating mode. When the restart temperature is reached, operation will be guaranteed. 1. Press the "?" key. The message Operation assured when the restart temperature will be reached is displayed.
  • Page 110 8. Troubleshooting AWHP MIT-IN iSystem Code Messages Description Checking / solution The BL inlet on the PCU PCB The contact connected to the BL inlet is open. BL.BL INPUT OPEN terminal block is open. Check the contact on the BL inlet. Antifreeze protection.

  • Page 111: Message History

    AWHP MIT-IN iSystem 8. Troubleshooting Code Messages Description Checking / solution Floor drying is active. Floor drying is underway. Heating on the circuits not concerned FL.DRY.B XX DAYS is shut down. XX DAYS = Number of days' FL.DRY.C XX DAYS floor drying remaining.

  • Page 112: Faults (Code Type Lxx Or Dxx)

    8. Troubleshooting AWHP MIT-IN iSystem Faults (Code type Lxx or Dxx) 1. Make a note of the code displayed. The code is important for the correct and rapid diagnosis of the type of failure and for any technical assistance that may be SUNDAY 11:45 needed.
  • Page 113 AWHP MIT-IN iSystem 8. Troubleshooting Code Faults Cause Description Checking / solution of the fault Auxiliary sensor fault Bad connection AUX.SENS.FAIL. Check whether the sensor is connected: ¼ See chapter: "Deletion of sensors from the memory in the PCB", page 114 Check the link and the connectors Check that the sensor has been correctly fitted...
  • Page 114 8. Troubleshooting AWHP MIT-IN iSystem Code Faults Cause Description Checking / solution of the fault Swimming pool sensor fault circuit B Bad connection SWIM.P.B. S.FAIL Swimming pool sensor fault circuit C SWIM.P.C. S.FAIL Check whether the sensor is connected: Note: ¼...

  • Page 115: Deletion Of Sensors From The Memory In The Pcb

    AWHP MIT-IN iSystem 8. Troubleshooting Code Faults Cause Description Checking / solution of the fault Communication failure between the SCU and PCU PCBs PCU COM. FAIL Check the wiring between the SCU and PCU PCBs Check that the PCU PCB is powered up (green LED on or flashing) Change the PCU PCB 5 resets done in less than an hour 5 RESET:ON/OFF...

  • Page 116: Failure History

    8. Troubleshooting AWHP MIT-IN iSystem Failure history The menu #DEFAULT HISTORIC is used to consult the last 10 faults displayed by the control panel. 1. Access the "After Sales" level: Hold down the - key until #PARAMETERS is displayed. 2. Select the menu #DEFAULT HISTORIC. SUNDAY 11:45 TEMP.: _ _ _ _ Turn the rotary button to scroll through the menus or...
  • Page 117 AWHP MIT-IN iSystem 8. Troubleshooting After Sales level - Menu #PARAMETERS Parameter Description Master generator active PERMUT Number of generators requiring heating STAGE Number of generators recognised in the cascade NB.CASC.: Number of DIEMATIC VM control systems recognised in the cascade NB.
  • Page 118 8. Troubleshooting AWHP MIT-IN iSystem After Sales level - Menu #TEST OUTPUTS Parameter Adjustment range Description Stop/start pump circuit A P. CIRC. A ON / NO Stop/start pump circuit B ON / NO P. CIRC. B Stop/start pump circuit C ON / NO P.
  • Page 119 AWHP MIT-IN iSystem 8. Troubleshooting After Sales level - Menu #INFORMATION Parameter Description Serial number of the SCU board S/N SCU Software control number CTRL Software control number DIN CTRL Version of the boiler radio module programme MC.VERSION Information NUMBER REMOT A Information NUMBER REMOT B Information...
  • Page 120 8. Troubleshooting AWHP MIT-IN iSystem Control system sequence Status Sub-status Heating Domestic hot Remarks water Operation in heating The heat pump or mode one of the back-ups at least is running 30 normal operation 31 Heat pump off as the temperature is too high 32 normal operation, Back-up stopped owing to the bivalency point...
  • Page 121 AWHP MIT-IN iSystem 8. Troubleshooting Control system sequence Status Sub-status Heating Domestic hot Remarks water 11 Sweeping mode (Heating) 30 normal operation 31 Heat pump off as the temperature is too high 32 normal operation, Back-up stopped owing to the bivalency point 33 Normal running with the set point temperature equal to the minimum flow temperature to guarantee defrosting...

  • Page 122: Spare Parts

    To order a spare part, give the reference number shown on the list. Spare parts Spare parts list reference: 300027606-002-A 9.2.1. AWHP 6 MR M002287-A 24/09/2012 - 300027606-001-01...
  • Page 123 AWHP MIT-IN iSystem 9. Spare parts M002286-A Markers Reference Description 300023680 Grill 300023681 Front panel 300023682 Base frame 300023684 Maintenance access panel 300023685 Maintenance access panel 300023686 Side panel, right 300023687 Fan motor bracket 300023688 Protective grid 300023689 Cover 300023644 Fan motor 300023645 Fan rotor 300023646 Rotor holding nut 300023647 Silencer...

  • Page 124: Awhp 8 Mr

    9. Spare parts AWHP MIT-IN iSystem Markers Reference Description 300018092 Plug 300018123 HP pressure switch 41.5 bar 300023668 4-way valve 300023669 Solenoid valve coil 300023670 Outside temperature sensor battery TH6-TH7 300023671 Compressor discharge temperature sensor TH4 300023672 Self 300023673 Terminal block 300023674 Electronic filter board 300023675 UC card 300023677 Output board...
  • Page 125 AWHP MIT-IN iSystem 9. Spare parts M001540-A Markers Reference Description 300018159 Side panel, left 300018124 Grill 300018116 Front panel 300018086 Base 300018128 Fan motor bracket 300018119 Door handle 300018110 Lower front panel 300018112 Lower back panel 300018162 Side panel, right VHA3 300020956 Side panel, right VHA3#1 300018156 Maintenance access panel 300018150 Back protection...
  • Page 126 9. Spare parts AWHP MIT-IN iSystem Markers Reference Description 300018120 Door handle 300018114 Fan motor 300018143 Fan 300018136 Nut 300018165 Solenoid valve coil 300018193 Reversal valve 300018212 Compressor discharge temperature sensor TH4 - VHA3 300018215 Compressor discharge temperature sensor TH4 - VHA3#3 300018092 Plug 300018097 Compressor 300018214 Battery exchanger inlet sensor TH3...

  • Page 127: Awhp 11 - 16

    AWHP MIT-IN iSystem 9. Spare parts 9.2.3. AWHP 11 - 16 103 104 M001541-A 24/09/2012 - 300027606-001-01...
  • Page 128 9. Spare parts AWHP MIT-IN iSystem M001542-C M001542-A 24/09/2012 - 300027606-001-01...
  • Page 129 AWHP MIT-IN iSystem 9. Spare parts M001543-C M001543-A Markers Reference Description Model 300018160 Side panel All models 300018124 Grill All models 300018117 Front panel All models 300018087 Base All models 300018129 Fan motor bracket All models 300018119 Door handle All models 300018111 Front panel All models 300018112 Lower back panel...
  • Page 130 9. Spare parts AWHP MIT-IN iSystem Markers Reference Description Model 300018223 Protective grid 11-14-16 TR 300018120 Door handle All models 300018114 Fan motor 11MR VHA3 11MR VHA3#1 14-16MR VHA2#2 11TR HA3 11TR HA3#1 14-16TR HA2#2 300018115 Fan motor 14-16MR VHA2 14-16TR HA2 300018143 Fan 11MR VHA3...
  • Page 131 AWHP MIT-IN iSystem 9. Spare parts Markers Reference Description Model 300018155 Limit valve All models 300018127 Solenoid valve coil All models 300018123 High pressure (HP) pressure switch All models 300018094 Plug All models 300018213 Sensor All models 300018219 Sensor All models 300018148 Relay 14-16 TR AWHP 11-14-16 MR box...
  • Page 132 9. Spare parts AWHP MIT-IN iSystem Markers Reference Description Model 300018108 UC card 11 TR HA3#1 14-16 TR HA2#2 300018118 6.3 A fuse All models 300018218 Sensor All models 300018217 Sensor 11 TR HA3 11 TR HA3#1 14-16 TR HA2#2 300020954 Sensor 14-16 TR HA2 300018090 Condenser...

  • Page 133: Awhp 22 - 27

    AWHP MIT-IN iSystem 9. Spare parts 9.2.4. AWHP 22 - 27 M002700-A 24/09/2012 - 300027606-001-01...
  • Page 134 9. Spare parts AWHP MIT-IN iSystem 250 249 M002701-A Markers Reference Description Model 300027054 Side panel, left All models 300027055 Protective grid All models 300027056 Door handle All models 300027057 Front panel All models 300027058 Fan motor bracket All models 300027059 Base frame All models 300027060 Door handle...
  • Page 135 AWHP MIT-IN iSystem 9. Spare parts Markers Reference Description Model 300027063 Lower back panel AWHP 22 300027064 Lower back panel AWHP 27 300027065 Side panel, right All models 300027066 Maintenance access panel All models 300027067 Back protection All models 300027068 Cover All models 300027096 Battery exchanger inlet sensor All models...

  • Page 136: Mit

    9. Spare parts AWHP MIT-IN iSystem 9.2.5. n Casing M002688-A 24/09/2012 - 300027606-001-01...
  • Page 137 AWHP MIT-IN iSystem 9. Spare parts n Other components 52 26 M002689-B 24/09/2012 - 300027606-001-01...
  • Page 138 9. Spare parts AWHP MIT-IN iSystem n Control panel 87 91 M002690-A n Spare parts list Markers Reference Description Casing 300025324 Assembled casing 300025281 Casing bottom 55125 Pipe feed 95320588 (MIT-IN H) Pipe feed 55125 (MIT-IN E) 300027772 Cross-bar support 200004802 Accessories bag S101309...
  • Page 139 AWHP MIT-IN iSystem 9. Spare parts Markers Reference Description 95013063 Fibre gasket 38x27x2 300025388 Quick T connection 300025325 Quick T connection plug 95023311 O-ring 21x3.5 EPDM 300025265 Complete tank heating outlet pipe 300025246 Heating return pipe 300023113 Pin (DN20) 300000831 Electronic manometer 95013062 Green seal 30x21x2...
  • Page 140 9. Spare parts AWHP MIT-IN iSystem Markers Reference Description S100860 SCU block 300026777 Card SCU 300009074 3 pin connector 300009081 5 pin connector 300009102 4-pin connector telephone relay 300008954 2-pin connector room temperature sensor 300009070 2 pt connector outside temperature sensor S100862 SCU grommet S62185...
  • Page 141 AWHP MIT-IN iSystem 9. Spare parts 24/09/2012 - 300027606-001-01...
  • Page 144 Зубарев переулок, д. 15/1 Бизнес-центр «Чайка Плаза», офис 309 +7 (495) 221-31-51 DUEDI S.r.l. DE DIETRICH THERMIQUE Iberia S.L.U. www.duediclima.it www.dedietrich-calefaccion.es Distributore Ufficiale Esclusivo Av. Princep d’Astúries 43-45 De Dietrich-Thermique Italia 08012 BARCELONA Via Passatore, 12 - 12010 +34 932 920 520...

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