Baxi AWHP 22 TR–2 Installation And Service Manual
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Baxi AWHP 22 TR–2 Installation And Service Manual

Baxi AWHP 22 TR–2 Installation And Service Manual

Reversible air/water split inverter heat pump
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Installation and Service Manual
Reversible air/water "Split Inverter" heat pump
Platinum BC iMax
iHPI/E 22-27

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Summary of Contents for Baxi AWHP 22 TR–2

  • Page 1 Installation and Service Manual Reversible air/water "Split Inverter" heat pump Platinum BC iMax iHPI/E 22-27...

  • Page 2: Table Of Contents

    Contents Contents Safety instructions and recommendations ..............5 Safety .
  • Page 3 Contents 6.6.7 Opening the valves ..............33 Electrical connections .
  • Page 4 Contents 9.4.9 Screed drying with the aid of the heat pump ..........79 9.4.10 Drying screed without the heat pump outdoor unit .

  • 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: General Instructions

    1 Safety instructions and recommendations Domestic wa­ Draining the appliance: 1. Shut off the domestic cold water inlet. 2. Open a hot water tap in the installation. 3. Open a valve on the safety unit. 4. To drain, open the tap at the base of the tank. The pressure limiter device (safety valve or safety unit) must be regularly oper­...

  • Page 7: Refrigerant Safety

    1 Safety instructions and recommendations Refrigerant safety Warning Refrigerant fluid and pipes: Use only R410A refrigerant fluid to fill the installation. Use tools and pipe components especially designed for use with R410A refrigerant fluid. Use copper pipes deoxidised with phosphorus to carry the refrigerant fluid.

  • Page 8: Hydraulic Safety

    1 Safety instructions and recommendations Hydraulic safety When making the hydraulic connection, it is imperative that the standards and corresponding local directives be respected. If radiators are connected directly to the heating circuit: install a differential valve between the indoor module and the heating circuit. Fit drainage valves between the indoor module and the heating circuit.

  • Page 9: Liabilities

    1 Safety instructions and recommendations The user must make sure the refrigerant pipes are checked annually for leaks for any heat pump with a charge greater than 5 tonnes of CO equivalent. Liabilities Manufacturer's liability Our products are manufactured in compliance with the requirements of the various Directives appli­ cable.

  • Page 10: 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 11: Technical Specifications

    3 Technical specifications Technical specifications Homologations 3.1.1 Directives This product complies with the requirements of the following European Directives and Standards: Pressure Equipment Directive 2014/68/EU Low Voltage Directive 2014/35/EU Generic standard: EN 60335-1 Relevant standard: EN 60335-2-40 Electromagnetic Compatibility Directive 2014/30/EU Generic standards: EN 61000-6-3, EN 61000-6-1 Relevant Standard: EN 55014 This product conforms to the requirements of European Directive...

  • Page 12: Heat Pump Weight

    3 Technical specifications Tab.2 Heating mode: outside air temperature +7 °C, water temperature at the outlet +35 °C. Performances in accordance with EN 14511-2. Measurement type Unit AWHP 22 TR–2 AWHP 27 TR-2 Heat output 21.70 24.40 Coefficient of Performance (COP) 3.96 3.80 Absorbed electrical power...

  • Page 13: Combination Heaters With Medium-Temperature Heat Pump

    3 Technical specifications Tab.6 Indoor module Indoor module Unit iHPI/E 22-27 Net weight Gross weight Tab.7 Outdoor unit Outdoor unit Unit AWHP 22 TR–2 AWHP 27 TR-2 Weight (empty) 3.2.3 Combination heaters with medium-temperature heat pump Tab.8 Technical parameters for heat pump combination heaters (parameters declared for medium-temperature application) Product name iHPI iHPI...

  • Page 14: Sensor Specifications

    3 Technical specifications Product name iHPI iHPI AWHP 22 TR–2 AWHP 27 TR-2 Stand-by 0.016 0.023 Crankcase heater mode 0.055 0.055 Supplementary heater Psup Rated heat output Type of energy input Electricity Electricity Other specifications Capacity control Variable Variable Sound power level, indoors - outdoors 43 _ 77 43 _ 77 Annual energy consumption under average conditions...

  • Page 15: Circulating Pump

    3 Technical specifications 3.2.5 Circulating pump Important The benchmark for the most efficient circulating pumps is EEI ≤ 0.20. Fig.4 Variable pressure P Available pressure (kPa) D Water flow rate in cubic metres per hour (m 3 Speed 3 4 Speed 4 6 Speed 6 7 Speed 7 8 Speed 8...

  • Page 16: Dimensions And Connections

    3 Technical specifications Dimensions and connections 3.3.1 AWHP 22 TR–2 and AWHP 27 TR-2 Fig.6 1050 1338 MW-M002629-1 A 450 mm: AWHP 22 TR–2 1/2" flare refrigerant fluid connection (AWHP 27 TR-2) 424 mm: AWHP 27 TR-2 2 3/4" flare refrigerant gas fitting 1 3/8"...

  • Page 17: Indoor Module

    3 Technical specifications 3.3.2 Indoor module Fig.7 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 3/4" refrigerant fluid connection - gas line 6 1/2"...
  • Page 18 3 Technical specifications Tab.12 Electrical diagram legend 230V~ Power supply DHW 3 WAY VALVE DHW Domestic hot water tank three-way valve BL1 MULTIFUNCTION BL1 multifunction BL2 MULTIFUNCTION BL2 multifunction CONDENSATE SENSOR Condensation sensor for underfloor heating CB04 Automatic filling kit EHC–05 Heat pump control system central unit PCB DISCONNECTOR...

  • Page 19: Description Of The Product

    4 Description of the product Description of the product Operating principle The outdoor unit produces heat or cold and transfers it to the indoor module via the refrigerant in the plate exchanger. The indoor module is equipped with a specific control system which is used to adjust the temperature of the heating water to the needs of the home.
  • Page 20 4 Description of the product Tab.13 Package Contents Outdoor unit An outdoor unit A manual Indoor module An indoor module An installation and service manual A user guide An accessories bag containing: One outside sensor One mechanical pressure gauge with a T fitting iHPI 7701563 - v02 - 22052018...

  • Page 21: Connecting Diagrams And Configuration

    5 Connecting diagrams and configuration Connecting diagrams and configuration Connecting a swimming pool The swimming pool is not heated when the contact is open (factory setting). Only the frost protection continues to run. Fig.10 A swimming pool is electrically connected on the CIRCA1, CIRCB1 or CIRCC1 circuit.

  • Page 22: Installation

    6 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. Caution Installation of the heat pump must be done by a qualified professional in accordance with prevailing local and national regulations.

  • Page 23: Positioning The Indoor Module

    6 Installation Fig.13 1. Respect distances A, B and C between the outdoor unit 1 and the indoor module 2. Only for AWHP 22 TR–2 and AWHP 27 TR-2 models: If the length of the refrigerant connections is less than 20 m, it is possible to use annealed pipe for the gas pipe with a diameter of 3/4"...

  • Page 24: Fitting The Assembly Rail

    6 Installation 6.3.2 Fitting the assembly rail Fig.15 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. 2.

  • Page 25: Selecting The Location Of The Outdoor Unit

    6 Installation Fig.17 1. Respect the minimum positioning distances of the outdoor unit from the wall. Tab.15 AWHP 22 TR–2 1000 1500 AWHP 27 TR-2 1000 1500 6.4.2 Selecting the location of the outdoor unit Fig.18 To ensure the outdoor unit operates correctly, its location must meet certain conditions.

  • Page 26: Choosing The Location Of A Noise Abatement Screen

    6 Installation 6.4.3 Choosing the location of a noise abatement screen When the outdoor unit is too close to neighbours, a noise abatement screen can be fitted to reduce noise pollution. Fig.19 MW-C000373-1 1. Locate the noise abatement screen as close as possible to the source of noise whilst allowing for the free circulation of air in the exchanger on the outdoor unit and maintenance work.

  • Page 27: Installing The Outdoor Unit On The Ground

    6 Installation 6.4.5 Installing the outdoor unit on the ground Fig.21 When mounting on the ground, a concrete base must be installed, with no rigid connection to the building served to avoid the transmission of vibrations. Position a rubber floor support. The data plate must be accessible at all times.

  • Page 28: Connecting The Safety Valve Drain Pipe

    6 Installation 5. Connect the heating output for the indoor module. Caution When connecting the heating circuit, hold the connection at the indoor module end with a spanner to avoid piercing the pipe inside the appliance. Caution In case of a direct circuit with radiators fitted with thermostatic valves, install a differential valve to ensure flow.

  • Page 29: Connect The Refrigerant Connections To The Indoor Module

    6 Installation 6.6.2 Connect the refrigerant connections to the indoor module Fig.24 Caution Keep the refrigerant connection in place on the indoor module with a spanner so as not to twist the internal pipe. Important For the AWHP 22 TR–2 and AWHP 27 TR-2 models If the length of the piping is less than 20 m, it is possible to use annealed pipe for the gas pipe with a diameter of 3/4"...
  • Page 30 6 Installation Association with an out­ Indoor module gas line fitting Indoor module fluid line fitting door unit B1: 27 kW for 1" 3/4" <=> 3/4" to 1" adapter braze-on type from 1/2" <=> Original 1/2" nut the accessories bag Remove and discard the cap Discard the original 3/4"...

  • Page 31: Connecting The Refrigerant Connections To The Outdoor Unit

    6 Installation 6.6.3 Connecting the refrigerant connections to the outdoor unit Caution Keep the refrigerant connection in place on the outdoor unit with a spanner so as not to twist the internal pipe. Fig.27 1 Do not use a spanner on this part of the valve, there is a danger of the refrigerant leaking.

  • Page 32: Test The Leak-Tightness

    6 Installation Tab.20 Quantity of refrigerant fluid to be added Length of refrigeration pipe 11 to 20 m 21 to 30 m 31 to 40 m 41 to 50 m 51 to 60 m 61 to 75 m AWHP 22 TR–2 pre-charged pre-charged 0.9 kg 1.8 kg 2.7 kg...

  • Page 33: Opening The Valves

    6 Installation 6.6.7 Opening the valves Fig.31 1. Remove the cap from the refrigerant fluid stop valve, fluid end. 2. Open valve A with a hexagonal spanner by turning anti-clockwise until it stops. 3. Put the cap back in place. 4.

  • Page 34: Recommended Cable Cross Section

    6 Installation Tab.22 Colour of the wire Polarity Brown wire Live Blue wire Neutral Green/yellow wire Earth Caution Secure the cable with the cable clamp provided. Be careful that you do not invert any of the wires. 6.7.2 Recommended cable cross section The electrical characteristics of the mains power supply available must correspond to the values given on the data plate.

  • Page 35: Routing The Cables

    6 Installation 6.7.3 Routing the cables Caution Separate the sensor cables from the 230/400 V circuit cables. Fig.32 With immersion heater 1 230 V~ circuit cables 2 0-40 V safety extra-low voltage cables 3 230 - 400 V~ electrical back-up power supply cables 230-400V MW-1001201-1 6.7.4...
  • Page 36 6 Installation T dhw 1: Temperature sensor at the bottom of the DHW domestic hot water tank (optional) T dhw 2: Temperature sensor at the top of the DHW tank T out: not used Description of the SCB-10 PCB Several heating zones can be connected to the SCB-10 PCB. Three zones are dedicated to heating and one to domestic hot water if a second domestic hot water circuit is used.
  • Page 37 6 Installation Tab.26 Possible connections Circuits CIRCA1 CIRCB1 CIRCC1 CIRCAUX1 DHW1 (with AD249 (with AD249 option) option) Convection fan Underfloor heating Radiator 365 day radiator Continuous heating Timer programme Swimming pool Domestic hot water production Domestic hot water production, electric only Stratified tank (2 sensors) Deactivation Description of the AD249 PCB...

  • Page 38: Accessing The Pcbs And Connection Terminal Block

    6 Installation 6.7.5 Accessing the PCBs and connection terminal block Fig.36 1. Unscrew the two screws under the front panel by a quarter turn. 2. Remove the front panel. MW-1001203-1 Fig.37 3. Open the holding clips located on the sides. 4.

  • Page 39: Connecting The Cables To The Pcbs

    6 Installation Fig.38 5. Remove the screw and the control panel cover. 6. Unclip the PCB cover. MW-1001205-1 6.7.6 Connecting the cables to the PCBs Fig.39 Keyed connectors are present on different terminal blocks as standard. Use these to connect the cables to the PCBs If there are no connectors on the terminal block to be used, use the connector provided with the kit.

  • Page 40: Electrically Connecting The Outdoor Unit

    6 Installation 6.7.7 Electrically connecting the outdoor unit Fig.40 A Power supply B Communication bus 1. Remove the service panel. 2. Check the cross-section of the cable used, as well as its protection in the distribution board. 3. Connect the earth wire. Danger The earth wire must be 10 mm longer than the N and L wires.
  • Page 41 6 Installation Fig.42 2. Put the 2 plugs in place, delivered with the sensor. Plugs diameter 4 mm/drill diameter 6 mm 3. Secure the sensor using the screws provided (diameter 4 mm). 4. Connect the cable to the outdoor temperature sensor. MW-8800N003-6 Recommended positions Place the outside sensor in a position that covers the following...

  • Page 42: Connecting The Outdoor Sensor

    6 Installation 6.7.10 Connecting the outdoor sensor Fig.45 1. Connect the outdoor temperature sensor to the T Out input on the SCB-10 PCB of the indoor module. Important Use a cable with a minimum cross-section of 2x0.35 mm 6.7.11 Accessing the indoor module terminal blocks Fig.46 1.

  • Page 43: Connecting Options

    6 Installation Fig.48 Three-phase connection A Bridge B Power supply Press the orange push-button to allow the wire to be correctly inserted in 4-8 kW the connector and locked. 400V 3N~ 4-12 kW 400V 3N~ 8-12 kW 400V 3N~ Output control Tab.27 Power supply Setting for the pa­...

  • Page 44: Connecting An On/Off Or Modulating Thermostat

    6 Installation X12 connector Description SO+/SO- input Connection of an electrical energy meter Condensation ter­ Connection of a condensation sensor for under­ minals floor cooling 6.8.1 Connecting an on/off or modulating thermostat The on/off or modulating thermostat is connected to the R-Bus terminals on the EHC–05 PCB or the optional SCB-10 PCB.

  • Page 45: Filling The Installation

    6 Installation Tab.33 Value of Value of Blocking input Operating mode If R-Bus contact open If R-Bus contact closed the param­ the param­ status for the heat eter eter pump CP640 AP098 Open Cooling No cooling demand Cooling demand (default (default value) value)

  • Page 46: Filling The Heating Circuit

    ≤ 70 kW °f 7 - 15 Total water hardness °dH 4 - 8.5 mmol/l 0.7 - 1.5 Important If water treatment proves necessary, Baxi recommends the following manufacturers: Cillit Climalife Fernox Permo Sentinel 6.9.2 Filling the heating circuit Before filling the heating system, flush it thoroughly.

  • Page 47: Commissioning

    7 Commissioning Commissioning General The heat pump is commissioned: When it is used for the first time; After a prolonged shut-down; 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 48: Commissioning Procedure

    7 Commissioning Commissioning procedure Caution Initial commissioning must be performed by a qualified professional. 1. Refit all the panels, fascias and covers on the indoor module and outdoor unit. 2. Arm the indoor module and outdoor unit circuit breakers on the electric panel by setting them to the I position.

  • Page 49: Final Instructions For Commissioning

    7 Commissioning Fig.53 4. Software version of the central unit PCB Fig.54 5. Parameter version of the central unit PCB Fig.55 6. The venting cycle is run automatically on start-up of the appliance, if an error occurs or during manual reset. For more information, see Selecting the type of outdoor unit and the type of back-up (CN1 et CN2), page 75...

  • Page 50: Operation

    8 Operation Operation Use of the control panel 8.1.1 Control panel description Description of the keys Fig.56 : back to the previous level without saving the modifications made : manual reset : accessing the heating parameters : lowering the value : accessing the domestic hot water parameters : raising the value : MODE display...
  • Page 51 8 Operation Fig.60 Steady symbol: displayed when indicating the system's hydraulic pressure value Flashing symbol: pressure in the system too low XXX Pressure value in the system (in bar) or flow temperature (in °C) Cooling mode Fig.61 Steady symbol: cooling mode on Flashing symbol: cooling request pending Menu display Fig.62...

  • Page 52: Browsing In The Menus

    8 Operation COUNTERS / TIME PROG / CLOCK sub-menus Fig.66 COUNTERS (CNT) sub-menu TIME PROG sub-menu: Timer programming dedicated to heating and domestic hot water production in the circuits: Timer programming for Monday Timer programming for Tuesday Timer programming for Wednesday Timer programming for Thursday Timer programming for Friday Timer programming for Saturday...

  • Page 53: Description Of The Pcbs

    8 Operation Fig.70 Press the key to: access the next menu, access the next sub-menu, access the next parameter, MW-1000576-2 increase the value. Fig.71 Press the key to: access the previous menu, access the previous sub-menu, access the previous parameter MW-2000370-2 decrease the value.
  • Page 54 8 Operation Fig.75 1. Go to stop mode by pressing the key. MW-5000027-4 Fig.76 2. Select the heating mode by pressing the key. 3. Confirm by pressing the key. MW-5000133-3 Fig.77 4. Select the heating shut-down pressing the key. The screen displays: The frost protection function continues to run.

  • Page 55: Settings

    9 Settings Settings Modifying the installer parameters Caution Altering the factory settings may impair operation of the appliance. The parameters in the Installer menu may only be changed by a qualified professional. Fig.78 1. Go to the Installer menu. Fig.79 2.

  • Page 56: Installer \ Circa0 Menu

    9 Settings Sub-menu Description Name of the PCB or cir­ cuit DHW1 Additional domestic hot water circuit CIRC1 Additional circuit if the optional AD249 is connected CIRCAUX1 Auxiliary circuit if the optional AD249 is connected 9.1.2 Installer \ CIRCA0 menu The CIRCA0 circuit is on the EHC–05 PCB.

  • Page 57: Installer \Dhw Menu

    9 Settings Parameter Description Factory setting CP640 Opentherm Logic level contact of the zone 0 = contact open for heating demand 1 = contact closed for heating demand CP650 Desired reduced room temperature setpoint in cooling mode per zone Can be set from 20 °C to 30 °C CP690 Reversed Opentherm contact in cooling mode for heat demand per zone 0 =No...

  • Page 58: Installer \ Circa1 \ Circb1 \ Dwh1 \ Circc1 \ Circaux1 Menu

    9 Settings Parameter Description Factory setting DP150 Domestic hot water thermostat function. Setting: 0: one sensor in use 1: Thermostat in use DP160 Anti-legionella set point temperature. 65 °C Setting: 60 to 90 °C ADV advanced parameters Tab.41 ADV advanced DHW parameters Parameter Description Factory setting...
  • Page 59 9 Settings Tab.43 CP : Circuits Parameters = Heating circuit parameters Parameter Factory setting for each circuit Description CP000 CIRCA1: Electrical back-up: 50 Maximum Flow Temperature setpoint zone CP001 CIRCB1: Electrical back-up: 50 For circuit A: Can be set from 7 °C to 100 °C CP002 DHW1: Electrical back-up: 95 CP003...
  • Page 60 9 Settings Parameter Factory setting for each circuit Description CP240 CIRCA1: 3 Adjustment of the influence of the zone room unit CP241 CIRCB1: 3 Can be set from 0 to 10 CP242 DHW1: 3 CP243 CIRCC1: 3 CP244 CIRCAUX1: 3 CP270 CIRCA1: 18 Mixing flow temperature setpoint cooling of the zone...
  • Page 61 9 Settings Parameter Factory setting for each circuit Description CP470 CIRCA1: 0 Setting of the screed drying program of the zone CP471 CIRCB1: 0 0 = deactivated CP472 DHW1: 0 Can be set from 1 to 30 days CP473 CIRCC1: 0 CP474 CIRCAUX1: 0 CP480...
  • Page 62 9 Settings Parameter Factory setting for each circuit Description CP690 CIRCA1: 0 Reversed Opentherm contact in cooling mode for heat demand per CP691 CIRCB1: 0 zone CP692 DHW1: 0 0 =No CP693 CIRCC1: 0 1 =Yes CP694 CIRCAUX1: 0 CP700 CIRCA1: 0 Offset for calorifier sensor per zone CP701...

  • Page 63: Installer \Ehc-05 And Scb-10 Menu

    9 Settings Parameter Factory setting for each circuit Description ADV \ CP520 CIRCA1: 100 Power setpoint per zone ADV \ CP521 CIRCB1: 100 Can be set from 0 % to 100 % ADV \ CP522 DHW1: 100 ADV \ CP523 CIRCC1: 100 ADV \ CP524 CIRCAUX1: 100...
  • Page 64 9 Settings Parameter Description Factory setting Factory setting EHC–05 SCB-10 AP058 Warning message indicating that pressure is low not available Can be set from 0 bar to 2 bar AP069 Maximum time the top-up filling may last not available Can be set from 0 Min to 65535 Min AP070 The operational water pressure the device should be working on not available...
  • Page 65 9 Settings Parameter Description Factory setting SCB-10 BP015 Minimum duration of post-operation of the buffer tank pump Can be set from 0 Min to 20 Min BP019 Hysteresis of temperature which determines the stop of buffer tank storage Can be set from -30 °C to 30 °C Tab.47 EP : Entry Parameters = Input parameters Parameter...
  • Page 66 9 Settings Tab.48 HP : Heat-pump Parameters = Heat pump parameters Parameter Description Factory setting EHC–05 HP000 Outside bivalent temperature above which back up are not allowed to operate Can be set from -10 °C to 20 °C HP030 Start-up time delay for back-ups in central heating mode Can be set from 0 Min 600 Min HP031 Shutdown time delay for back-ups in central heating mode...
  • Page 67 9 Settings Parameter Description Factory setting SCB-10 NP014 Functionnement Mode of cascade : automatic, heating or cooling 0 Automatic 1 Heating 2 Cooling Tab.50 AP : Appliance Parameters = Appliance advanced parameters Parameter Description of the advanced parameters EHC–05 factory setting ADV \ AP001 Blocking input setting (1: Full blocking, 2: Partial blocking, 3: User reset locking)
  • Page 68 9 Settings Parameter Description of the advanced parameters EHC–05 factory setting ADV \ AP101 Disable (0) or Enable (1) the de-aeration cycle 0 =Off 1 =Auto ADV \ AP102 Type of use for heating circulating pump Setting: 0: Operates when there is a heat pump demand. 1: only operates if there is a CIRCA0 demand Tab.51 HP : Heat-pump Parameters = Heat pump advanced parameters...

  • Page 69: Counters, Time Prog, Clock Menus

    9 Settings Tab.52 PP : Producer Parameters = Generator advanced parameters ADV parameter Description of the ADV advanced parameters EHC–05 factory setting ADV \ PP015 Post-operation duration for the CIRCA0 circuit Can be set from 0 Min 99 Min Tab.53 EP : Entry parameters Parameters = Input advanced parameters ADV parameter Description of the ADV advanced parameters...

  • Page 70: Counters, Time Prog, Clock \Cnt Menus

    9 Settings 9.2.1 COUNTERS, TIME PROG, CLOCK \CNT menus Tab.56 Choosing the menu Counters Selection Main circuit counters: Choose the EHC–05 menu CIRCA0 Additional circuit counters: Choose the SCB-10 menu CIRCA1 CIRCB1 DHW1 CIRC1 CIRCAUX1 Counters connected to the operation of the heat pump Choose the EHC–05 menu Tab.57 AC = Appliance Counter = Appliance counter...

  • Page 71: Menus

    9 Settings Parameter Description Unit EHC–05 SCB-10 AC004 Number of heat generator starts since the previous servicing. SERVICE Resetting the maintenance service CLR: the AC002, AC003, and AC004 counters are reset to zero. 9.2.2 COUNTERS, TIME PROG, CLOCK \ DHW, CIRCA0 , CIRCA1, CIRCB1, DHW1, CIRCC1, CIRCAUX1 menus Tab.60 Menu...

  • Page 72: Description Of The Parameters

    9 Settings Description of the parameters 9.3.1 Running the back-up in heating mode Start-up conditions for the back-up Important If the AP001 and AP100 parameters are configured to 4, 6 or 8 and the corresponding BL input is active, the back-ups will be deactivated and will only start up for safety reasons and to enable defrosting.

  • Page 73: Running The Back-Up In Domestic Hot Water Mode

    9 Settings 9.3.2 Running the back-up in domestic hot water mode Start-up conditions for the back-up The start-up conditions for the back-up producing domestic hot water are described in the following table. Tab.63 Parameter Setting AP001 The function of the BL1 blocking input is not set to 4, 6 or 8 AP100 The function of the BL2 blocking input is not set to 4, 6 or 8 AP098...

  • Page 74: Setting The Parameters

    9 Settings A DP048: Minimum heating duration between two DP080: Domestic hot water "Reduced" set point domestic hot water production runs temperature B DP047: Maximum authorised duration for domestic T Temperature hot water production Tp DM001: Domestic hot water temperature (lower Cp DP070: Domestic hot water "Comfort"...

  • Page 75: Selecting The Type Of Outdoor Unit And The Type Of Back-Up (Cn1 Et Cn2)

    9 Settings Fig.85 6. Select the language by pressing the keys until the desired language is displayed. 7. Confirm by pressing the key. 8. Go back to the main display by pressing the key. 9.4.2 Selecting the type of outdoor unit and the type of back-up (CN1 et CN2) 1.

  • Page 76: Improving Domestic Hot Water Comfort

    9 Settings Fig.88 1. Go to the Installer menu. 2. Access the Installer menu by entering the code 0012 by pressing the keys. 3. Confirm access by pressing the key. 4. Select the desired circuit or PCB by pressing the key.

  • Page 77: Improving Heating Comfort

    9 Settings When the heating is sufficient and domestic hot water discomfort is experienced, the installer may make the following adjustments: Note that domestic hot water comfort is at the expense of heating comfort. 1. Reduce the set point temperature differential triggering the domestic hot water tank to be charged: DP120 parameter.

  • Page 78: Configuring A Hydraulic Back-Up

    9 Settings 1. Go to the Installer menu. 2. Access the Installer menu: enter the code 0012 by pressing the keys. 3. Confirm access by pressing the key. 4. Select EHC–05 by pressing the key. 5. Confirm access by pressing the key.

  • Page 79: Screed Drying With The Aid Of The Heat Pump

    9 Settings Circuit Parameter Value of the parameter CIRCB1 CP021 2 or 5 CIRCC1 CP023 2 or 5 CIRCAUX1 CP024 2 or 5 Important The heating should be activated in order for cooling to function. 1. Go to the Installer menu.
  • Page 80 9 Settings It is possible to use the screed drying function on circuits A and B. The parameter settings must be made on the PCB that controls the circuit concerned. Screed drying curve Fig.91 1 Number of days 2 Heating set point temperature (°C) 3 Screed drying start temperature 4 Screed drying stop temperature 5 Start of the screed drying function...

  • Page 81: Drying Screed Without The Heat Pump Outdoor Unit

    9 Settings 9.4.10 Drying screed without the heat pump outdoor unit Fig.93 The indoor module can be used for drying screed using the electrical back-up. It is not necessary to connect the outdoor unit. 1. Switch on the indoor module and activate the screed drying function. 2.

  • Page 82: Detecting An Additional Or Replacement Pcb

    9 Settings 3. Choose the contact directions of the BL1 IN and BL2 IN multifunction inputs by setting the AP098 and AP099 parameters. Tab.73 Parameter Description AP098 Configuration of the BL1 contact direction 0 = input active on open contact 1 = input active on close contact AP099 Configuration of the BL2 contact direction...
  • Page 83 9 Settings Tab.75 Choosing the menu Measured values Selection Measured values in the circuits: Choose the EHC–05 menu CIRCA0 Measured values in the additional circuits: Choose the SCB-10 menu CIRCA1 CIRCB1 DHW1 CIRC1 CIRCAUX1 Measured values connected to the operation of the heat pump Choose the EHC–05 menu Tab.76 Available values: AM = Appliance Measures = Measured values on the appliance Value...
  • Page 84 9 Settings Measurement Description Unit EHC–05 SCB-10 CM060 Current Pump speed of zoneCIRCA0 and CIRCA1 CM061 Current Pump speed of zone CIRCB1 CM062 Current Pump speed of zoneDHW and DHW1 CM063 Current Pump speed of zone CIRCC1 CM064 Current Pump speed of zone CIRCAUX1 CM120 Zone Current Mode: 0 =Scheduling...

  • Page 85: Control System Sequence

    9 Settings Tab.79 Available values: HM = Heat-pump Measures = Measured values for the heat pump Value Description Unit EHC–05 HM001 Heat pump flow temperature after condenser °C HM002 Heat pump return temperature after condenser. °C HM003 Outdoor unit set point temperature °C HM004 Heat pump blocking input1...
  • Page 86 9 Settings AM012 =Status Appliance AM014 =Appliance sub status 3= operating in heating mode 30= normal operation The compressor or the back-ups are running. 31= internal set point limited If the heating set point on the heat pump differs from the system set point. 60= pump post-operation Heat pump and back-up shut-down, system pump operation.
  • Page 87 9 Settings AM012 =Status Appliance AM014 =Appliance sub status 8= controlled compressor 00= off: the heating or cooling set point has been reached shut-down 01= anti-short cycle The heating set point has been reached. The compressor is not authorised to restart. 60= pump post-operation Heat pump and back-up shut-down, system pump post-operation.
  • Page 88 9 Settings AM012 =Status Appliance AM014 =Appliance sub status 16 = Frost protection 30= normal operation The compressor or the back-ups are running. 31= internal set point limited If the heating set point on the heat pump differs from the system set point. 60= pump post-operation Heat pump and back-up shut-down, system pump post-operation.

  • Page 89: 10 Maintenance

    10 Maintenance 10 Maintenance 10.1 Standard inspection and maintenance operations Caution Only qualified professionals are authorised to carry out maintenance work on the heat pump and the heating system. Caution Before working on the refrigeration circuit, switch off the appliance and wait a few minutes.

  • Page 90: Checking Operation Of The Appliance

    10 Maintenance 10.2 Checking operation of the appliance This function is used to force the heat pump and back-up in heating or cooling mode, in order to check that they are working correctly. Fig.95 1. Access the Test menu by pressing the two keys on the left simultaneously.

  • Page 91: Replacing The Battery In The Control Panel

    10 Maintenance Fig.98 3. Remove the spring retaining ring. 4. Remove the filter. 5. Inspect and clean the filter. Replace it if necessary. 6. Remount the filter. 7. Remount the elastic ring 8. Tighten the connection. 9. Open the filter valve. MW-L000333-1 10.3.3 Replacing the battery in the control panel...

  • Page 92: 11 Troubleshooting

    11 Troubleshooting 11 Troubleshooting 11.1 Resetting the safety thermostat Danger Before carrying out any work, cut off the mains supply to the indoor module and the electrical back-up immersion heaters. If you suspect that the safety thermostat was triggered: 1. Cut off the power supply to the indoor module and the electrical back- up immersion heaters by lowering the circuit breakers on the distribution board.
  • Page 93 11 Troubleshooting Error code Description H00.48 Heat pump flow 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. Replace the sensor if necessary.

  • Page 94: Error Codes

    11 Troubleshooting Error code Description H02.23 System water flow error active Flow problem No circulation: Check that the circulation pump is working, Check that the valves and thermostatic valves are open, Check the wiring, Check the pump supply: if the pump does not work, replace it. Too much air: completely vent the indoor module and the installation for optimum running.

  • Page 95: Ehc-05 Fault Codes

    11 Troubleshooting Code Description H02.05 CSU does not match CU type H02.16 Internal CSU Timeout H02.36 Functional device has been disconnected H02.40 Function unavailable H02.45 Full Can Connection Matrix H02.46 Full Can Device Administration H02.47 Failed Connecting Function Groups H02.48 Function Group Configuration Fault H02.49 Failed Initialising Node...

  • Page 96: Ehc-05 Alarm Codes

    11 Troubleshooting a manual reset, a reset by a maintenance message. Tab.84 List of fault codes Error code Description E00.00 Flow temperature sensor is either removed or measures a temperature below range E00.01 Flow temperature sensor is either shorted or measures a temperature above range E02.13 Blocking Input of the Control Unit from device external environment Input BL open.

  • Page 97: Accessing The Error Memory

    11 Troubleshooting Code Description A02.18 Object Dictionary Error: Reset A02.37 Uncritical device has been disconnected: Bad connection: check the wiring and connectors. Faulty SCB PCB: replace SCB PCB A02.54 OpenTherm ASK warning A10.08 Outside Temperature Zone A missing A10.17 Outside Temperature Zone B missing A10.26 Outside Temperature Zone C missing A10.35...
  • Page 98 11 Troubleshooting For more information, see Error messages, page 92 iHPI 7701563 - v02 - 22052018...

  • Page 99: 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 100 12 Decommissioning and disposal iHPI 7701563 - v02 - 22052018...
  • Page 101 12 Decommissioning and disposal 7701563 - v02 - 22052018 iHPI...
  • Page 102 12 Decommissioning and disposal iHPI 7701563 - v02 - 22052018...
  • Page 103 © 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 104 7701563 - v02 - 22052018 7701563-001-02...

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Awhp 27 tr-2Platinum bc imax 27Platinum bc imax 22

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