Baxi Assure AWHP-IDU 4-8 E Installation And Service Manual Download Page 18

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3.4

Electrical diagram

Fig.10

MW-1001139-3

SCB-10

SENSOR LIQUID

SENSOR TARGET

PUMP

EXCHANGER

PUMP CH

SERVICE

PORT

DHW REVERSING VALVE

WATER

SENSORS

7680130

7750947

7750990

7621783

X13

X12

S2/S3

HPC-01

FUSE

OUTDOOR

UNIT

7705849

768 0047

FUSE

X19

X24

X23

X30

X16

X17

X13

X21

X25

X12

X15

EHC-05

UNT

ION

X27

X26

X10

X28

X18

X22

7680294

ON/OFF

X12

X11

FUSE

7680501

7673746

7680005

7680155

7680120

7680441

X15

X14

PUMP SPEED

PUMP

POWER SUPPLY

BACKUP 1

BACKUP 2

PUMP

POWER SUPPLY

230V - 50Hz

LOW NOISE

EH812

EH829

7673502

230V~

400V 3N~

L1 L2 L3 N C

2kW

EHC-05

C3 C2 C1

L1 L2 L3 N C

ON/OFF

EHC-05

PUMP

2-6kW

8kW

4kW

8-12kW

4-12kW

4-8kW

C3 C2 C1

FUSE

CB04

EH726

DISCONNECTOR

7680479

X17

+ -

7696851

Tab.13 Electrical diagram legend

230V~

Power supply

BACKUP 1

Hydraulic version: Hydraulic back-up pump

Electrical version: Electrical back-up - stage 1

BACKUP 2

Hydraulic version: Hydraulic back-up ON/OFF contact

Electrical version: Electrical back-up - stage 2

BL1 MULTIFUNCTION

BL1 multifunction input

BL2 MULTIFUNCTION

BL2 multifunction input

CB04

Automatic filling kit

CONDENSATE SENSOR

Condensation sensor for underfloor heating

DHW REVERSING VALVE

Domestic hot water tank three-way valve

DHW SENSOR

Domestic hot water tank sensor

EHC–05

Heat pump control system central unit PCB

DISCONNECTOR

Disconnector

ELECTRICAL BACKUP

Electrical back-up

FUSE

Fuse

HPC–01

PCB: interface for the outdoor unit

HYDRAULIC BACKUP

Hydraulic back-up

OUTDOOR UNIT

Outdoor unit

OUTSIDE TEMPERATURE SENSOR

Outdoor temperature sensor

PC SERVICE PORT

Service Tool connector

PUMP CH

Heating circulating pump

PUMP EXCHANGER

Heat pump circulating pump

ROOM UNIT CIRCA0

Baxi uSense connected room thermostat, on/off thermostat, modulating

thermostat or OpenTherm thermostat for the CIRCA0 direct zone

3 Technical specifications

7762758 - v05 - 19082020

Summary of Contents for Assure AWHP-IDU 4-8 E

Page 1: ...MW 1001614 2 MW 1001614 2 MW 1001614 2 en Installation and Service Manual Air water Split Inverter heat pump Baxi Assure Assure AWHP IDU 4 8 E ...

Page 2: ...ion of the product 20 4 1 Operating principle 20 4 2 Main components 20 4 3 Standard delivery 21 5 Connecting diagrams and configuration 22 5 1 Installation with electrical back up two circuits and a domestic hot water tank 22 5 1 1 Make the electrical connections 22 5 1 2 Applying the parameters 23 5 2 Connecting a swimming pool 24 6 Installation 26 6 1 Installation regulations 26 6 2 Data Plates...

Page 3: ...tions less than 6 months old 51 6 10 2 Flushing an existing installation 51 6 11 Filling the installation 51 6 11 1 Treatment of the heating water 51 7 Commissioning 53 7 1 General 53 7 2 Checklist before commissioning 53 7 2 1 Checking the heating circuit 53 7 2 2 Checking the electrical connections 53 7 2 3 Checking the refrigeration circuit 53 7 3 Commissioning procedure 54 7 3 1 Configuration ...

Page 4: ... information on the hardware and software versions 82 10 2 Configuring the maintenance message 82 10 3 Checking operation of the appliance 82 10 4 Standard inspection and maintenance operations 83 10 4 1 Checking the safety components 83 10 4 2 Check the hydraulic pressure 83 10 4 3 Cleaning the casing 83 10 5 Cleaning the magnetic filter 83 10 5 1 Magnetic filter annual maintenance 84 10 5 2 Full...

Page 5: ...s with the appliance and it turns out to be dam aged it must be replaced by the manufacturer its after sales service or per sons with similar qualifications in order to obviate any danger If the appliance is not wired in the factory carry out the wiring according to the wiring diagram described in the chapter Electrical Connections See the Instal lation and Service Manual This appliance must be co...

Page 6: ...nd connection of the pressure limiter device refer to the chapter Connecting the Domestic Hot Water Tank to the Drinking Water Mains in the Installation and Service Manual Hydraulics Caution Respect the minimum and maximum water pressure and tem perature to ensure the appliance operates correctly See chapter on Technical Specifications Installation Important Allow the space required to install the...

Page 7: ...ant brazing under nitrogen All brazing work must be done by qualified welders Do not touch the refrigeration connection pipes with your bare hands while the heat pump is running Danger of burn or frost injury In the event of a refrigerant leakage 1 Switch off the appliance 2 Open the windows 3 Do not use a naked flame do not smoke do not operate electrical contacts 4 Avoid contact with the refrige...

Page 8: ...rant oil to the flared parts to facilitate tightening and improve the seal Keep this document close to the place where the appliance is installed Do not make any modifications to the heat pump without the written consent of the manufacturer To benefit from extended warranty cover no modifications should be made to the appliance Install the heat pump indoor unit and outdoor unit on a solid stable s...

Page 9: ... we strive constantly to improve them We therefore reserve the right to modify the specifications given in this document Our liability as manufacturer may not be invoked in the following cases Failure to abide by the instructions on installing the appliance Failure to abide by the instructions on using the appliance Faulty or insufficient maintenance of the appliance Installer s liability The inst...

Page 10: ...d if carried out by a qualified engineer 1 CIRCA0 heating circuit flow 2 CIRCA0 heating circuit return 3 CIRCB1 heating circuit flow 4 CIRCB1 heating circuit return 5 Refrigeration fluid connection liquid line 6 Refrigeration fluid connection gas line 7 Safety extra low voltage power supply cable 8 Power supply cable 230 V 400 V 9 Power cord 230 V 2 3 Symbols used on the data plate 1 Information c...

Page 11: ...valid at the time of installation shall apply to all regulations and guidelines specified in this manual 3 1 2 EC Declaration of Conformity The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and put into circulation in accordance with the requirements of the European Directives The original declaration of conformity is available from the...

Page 12: ...at nominal flow rate kPa 62 61 80 49 30 Nominal air flow rate m3 h 2680 2700 3000 Power voltage of the outdoor unit V 230 230 230 Start up amperage A 5 5 5 Maximal amperage A 12 13 17 Acoustic power Inside 1 dB A 43 43 51 Acoustic power Outside 2 dB A 58 65 65 Refrigerant fluid R410A kg 1 4 1 3 3 2 R410A refrigerant 3 tCO2e 2 922 2 714 6 680 Refrigerant connection Liquid Gas inch 1 4 1 2 1 4 1 2 3...

Page 13: ... 4 3 Tj bivalent temperature Pdh kW 3 1 3 9 5 6 Tj operation limit temperature Pdh kW 3 1 3 9 5 6 Bivalent temperature Tbiv C 10 10 10 Degradation coefficient 2 Cdh 1 0 1 0 1 0 Seasonal space heating energy efficiency under average conditions ƞs 134 125 129 Seasonal space heating energy efficiency under colder conditions ƞs 109 116 119 Seasonal space heating energy efficiency under warmer conditio...

Page 14: ...nsor specifications Outdoor temperature sensor specifications Tab 10 AF60 outdoor temperature sensor Temperature C 20 16 12 8 4 0 4 8 12 16 20 24 30 35 Resistance Ohm 2392 2088 1811 1562 1342 1149 984 842 720 616 528 454 362 301 Heating flow sensor specifications Tab 11 NTC heating flow sensor Temperature C 0 10 20 25 30 40 50 60 70 80 90 Resistance Ohm 32014 19691 12474 10000 8080 5372 3661 2535 ...

Page 15: ...ircuit return G1 4 Direct circuit flow G1 5 Refrigerant connection gas line 5 8 for 4 5 to 16 kW models 6 Refrigerant connection liquid line 3 8 for 4 5 to 16 kW models Fig 4 Variable pressure MW 1001273 1 15 20 25 30 35 40 45 50 55 60 65 70 75 8 7 6 4 3 P D 0 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 Fig 5 Constant pressure P D MW 1001272 1 20 25 30 35 40 45 50 55 60 65 70 75 80 85 8 ...

Page 16: ...frigerant fluid connection 2 1 2 refrigerant fluid connection 3 3 3 AWHP 6 MR 3 outdoor unit Fig 8 23 2 2 99 5 1 164 5 492 193 5 3 5 4 3 360 330 32 5 300 40 404 5 48 22 3 630 320 8 5 809 500 310 154 5 62 MW 1000919 2 1 1 4 refrigerant fluid connection 2 1 2 refrigerant fluid connection 3 Technical specifications 16 7762758 v05 19082020 ...

Page 17: ...tdoor unit Fig 9 943 950 45 56 53 28 19 23 417 175 330 370 30 443 447 175 65 42 2 A B MW M001442 4 1 1 3 8 refrigerant fluid connection 2 5 8 refrigerant fluid connection 3 Technical specifications 7762758 v05 19082020 17 ...

Page 18: ...7680479 X17 TA 7696851 Tab 13 Electrical diagram legend 230V Power supply BACKUP 1 Hydraulic version Hydraulic back up pump Electrical version Electrical back up stage 1 BACKUP 2 Hydraulic version Hydraulic back up ON OFF contact Electrical version Electrical back up stage 2 BL1 MULTIFUNCTION BL1 multifunction input BL2 MULTIFUNCTION BL2 multifunction input CB04 Automatic filling kit CONDENSATE SE...

Page 19: ...c hot water circuits SENSOR LIQUID Exchanger refrigerant temperature sensor SENSOR TARGET Water temperature sensor on the exchanger outlet SO SO ENERGY COUNTER SO SO energy meter WATER SENSORS Temperature sensors 3 Technical specifications 7762758 v05 19082020 19 ...

Page 20: ...Electronic pressure gauge 11 Expansion vessel 12 Magnetic filter 13 Heat pump return temperature sensor PT1000 14 Heating circulating pump 15 Electric preheater 16 PCB for controlling the electric preheater 17 Automatic air vent 18 Heating flow temperature sensor Position of the PCBs Marker PCB Function 1 CB04 optional PCB Filling kit 2 SCB 10 PCB Additional heating and domestic hot water circuits...

Page 21: ...al Indoor unit An indoor unit An accessories bag containing One outdoor temperature sensor One mechanical pressure gauge with a T fitting One domestic hot water sensor An installation and service manual A user guide Package EH146 4 Description of the product 7762758 v05 19082020 21 ...

Page 22: ...water reversing valve 7 Indoor unit 8 Safety thermostat 9 Outdoor temperature sensor 10 Thermostat connected to circuit A 11 Connected thermostat for circuit B 5 1 1 Make the electrical connections 1 Connect the accessories and options to the EHC 05 PCB respecting the 230 400 V and 0 40 V cable feed throughs 2 Connect the accessories and options to the SCB 10 PCB respecting the 230 400 V and 0 40 ...

Page 23: ...d CN2 parameters according to the information on the data plate and the outdoor unit output 2 Configure and check the parameters of the A0 circuit Tab 15 Access Parameter Adjustment required 21 7 CIRCA0 Parameters counters signals Parameters MaxZoneTFlowSetpoint CP000 Maximum Flow Temperature setpoint zone 75 C Adjust the temperature as required Zone Function CP020 Functionality of the zone Direct...

Page 24: ...ers counters signals Adv Parameters DHW backup type DP334 IDU DhwTank Cooling 23 5 Air Src Heat pump Parameters counters signals Adv Parameters kW rating DHW backup HP145 2 4 kW 9 Configure the timer programme for the domestic hot water 1 DHW1 to configure the operating hours of the recirculating pump See the user guide 10 Configure the timer programme for the A0 B1 and domestic hot water circuits...

Page 25: ... connector Earth wire N connector Pump neutral Opening control connector Power supply for pump 2 Connect the swimming pool temperature sensor to the TFlow terminal block 3 Connect the swimming pool s primary pump to terminal block of the selected circuit CIRCA1 CIRCB1 or CIRCC1 4 Connect the swimming pool heating cut off control to the R Bus terminal block Fig 15 MW 6000381 7 1 2 3 4 5 Connecting ...

Page 26: ...l and national regulations 6 2 Data Plates 6 2 1 Data plate on the indoor module The data plates identify the product and provide the following important information The data plates must be accessible at all times Important Never remove or cover labels and data plates affixed to the appliances Labels and data plates must be legible throughout the entire lifetime of the appliance Damaged or illegib...

Page 27: ...t connections to reduce disruption If the length of the refrigerant connections is less than 2 m disruptions can occur Functional disruptions caused by a fluid overload Noise pollution caused by the circulation of the refrigerant 6 4 Positioning the indoor unit 6 4 1 Allowing sufficient space for the indoor module Allow sufficient space around the heat pump indoor module to ensure adequate access ...

Page 28: ...ead screws provided for this purpose Set the level using a spirit level 6 4 3 Mounting the unit on the wall 1 Position the indoor unit above the mounting rail so that it rests snugly against it Important If necessary use suitable lifting equipment 2 Gently lower the indoor unit 6 5 Putting the outdoor unit in place 6 5 1 Allowing sufficient space for the outdoor unit Minimum distances from the wal...

Page 29: ...ecide on the ideal location for the outdoor unit bearing in mind the space it requires and any legal directives 2 Observe the IP24 protection rating of the outdoor unit during installation 3 Avoid the following locations as the outdoor unit is source of noise Prevailing winds Close to sleep zones Close to a terrace Opposite a wall with windows 4 Nothing must obstruct the free circulation of air ar...

Page 30: ... a noise abatement screen can be fitted to reduce noise pollution Install this type of equipment in compliance with prevailing legislation and standards Fig 24 MW C000373 1 Brrrrr Brrrrr Brrrrr Brrrrr 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 2 Respect the...

Page 31: ...r unit 3 Install the outdoor unit on the concrete base frame 6 6 Hydraulic connections 6 6 1 Special precautions for the connection of the heating circuit During connection it is imperative that the standards and corresponding local directives be respected Depending on the heating system installation install a filter on the heating return circuit Depending on the heating system installation instal...

Page 32: ...ring the refrigerant connections Danger Only a qualified professional may carry out the installation in conformity with current legislation and standards To allow exchanges between the indoor module and the outdoor unit fit 2 refrigerant connections flow and return Pursuant to European Regulation 517 2014 the equipment must be installed by a certified operator whenever the refrigerant load is in e...

Page 33: ...nut Remove and discard the cap 1 Check the exchanger leak tightness partially unscrew the gas nut A release noise should be heard which is proof that the exchanger is watertight 2 Undo the nuts on the indoor unit 3 Fit the connections as shown in the above table using the copper gaskets for the adapters and adhering to the torque load Tab 23 Tightening torque applied External diameter of the pipe ...

Page 34: ...panner so as not to twist the internal pipe Tab 24 Torque load External diameter of the pipe mm inch External diameter of the cone fitting mm Torque load N m 6 35 1 4 17 14 18 9 52 3 8 22 34 42 12 7 1 2 26 49 61 15 88 5 8 29 69 82 19 05 3 4 36 100 120 6 7 4 Adding the necessary quantity of refrigerant fluid If the refrigerant connection pipes exceed the lengths below add refrigerant fluid via the ...

Page 35: ...steps in order and check the leak tightness once again 6 Release the pressure and release the nitrogen 6 7 6 Evacuation Perform evacuation after checking that the refrigerant circuit is entirely free of leaks Evacuation is necessary to remove air and moisture from the refrigerant circuit 1 Check that the A and B C stop valves are closed 2 Connect the vacuum gauge and the vacuum pump to the service...

Page 36: ...Warning Only qualified professionals may carry out electrical connections always with the power off Earth the appliance before making any electrical connections Make the electrical connections on the appliance in accordance with the requirements of the prevailing standards Make the electrical connections on the appliance in accordance with the information given in the electrical schematics deliver...

Page 37: ...iginal power supply Upstream protection Neutral operating conditions Important The maximum permissible current on the power supply cable of the indoor unit must not exceed 6 A Tab 29 Appliance Power supply type Cable cross section mm2 Circuit breaker curve C A Maximum amperage A Indoor unit Single phase Cable provided 3 x 1 5 10 Electrical back up Single phase 3 x 6 32 Three phase 5 x 2 5 16 BUS c...

Page 38: ...CBs The options can be increased with the optional AD249 PCB The connections for the sensors or pumps of each zone are on each PCB Tab 30 Circuits CIRCA0 EHC 05 DHW EHC 05 CIRCA1 SCB 10 CIRCB1 SCB 10 CIRCC1 with AD249 op tion CIR CAUX1 with AD249 op tion DHW1 SCB 10 Convection fan X X X X Underfloor heating X 1 X X X Radiator X X X X 365 day radiator X X X X Continuous heating X X X X Timer progra...

Page 39: ...ermostat or OpenTherm thermostat for the CIRCA0 direct zone BL1 BL2 multifunction inputs So So Electric energy meter Condensation condensation sensor X15 Not used X16 Not used X17 Not used X18 Input output for the HPC 01 PCB X19 Control signal for the immersion heater on the domestic hot water tank X22 Bus for communication with the outdoor unit HPC 01 PCB X23 Bus for communicating with the outdoo...

Page 40: ... 9 Flow sensor CIRCC1 circuit 10 Domestic hot water sensor on the DHW1 second domestic hot water circuit 11 System sensor 2 12 System sensor 1 13 Pump and safety thermostat CIRCA1 circuit 14 Three way valve CIRCA1 circuit 15 Pump and safety thermostat CIRCB1 circuit 16 Three way valve CIRCB1 circuit 17 Domestic hot water tank pump when using a second domestic hot water circuit 18 Connectors for S ...

Page 41: ...ing the PCBs 1 Unscrew the two screws under the front panel by a quarter turn 2 Remove the front panel 3 Open the holding clips located on the sides 4 Tilt the control panel forwards Fig 40 3 x 0 75mm 2 mini 4 x 0 75mm 2 mini MW 1001681 1 TS 1 2 3 4 Fig 41 MW 1001203 1 1 2 Fig 42 MW 1001204 1 3 4 6 Installation 7762758 v05 19082020 41 ...

Page 42: ... before passing the cables into the cable feed throughs 1 Insert and screw down the wires in the corresponding connector inputs 2 Insert the connector into the corresponding terminal block 3 Feed the cable into the cable duct and adjust the length of the cable accordingly 4 Lock it in position with a cable clamp or a traction arrester device Caution Danger of electric shock the length of the condu...

Page 43: ...6 8 7 Electrically connecting the outdoor unit Fig 45 MW 1001351 1 1 2 1 2 A B 1 Power supply 2 Communication bus A AWHP 4 5 MR B AWHP 6 MR 3 AWHP 8 MR 2 6 Installation 7762758 v05 19082020 43 ...

Page 44: ...ble duct and adjust the length of the cable accordingly Lock it in position with a cable clamp or a traction arrester device Caution Danger of electric shock the length of the conductors between the traction arrester device and the terminal blocks must be such that the active conductors are put under tension before the earth conductor 6 8 8 Connecting the indoor module 1 Remove the front panel of ...

Page 45: ...nsor 2 Put the 2 plugs in place delivered with the sensor 3 Secure the sensor using the screws provided diameter 4 mm 4 Connect the cable to the outdoor temperature sensor Recommended positions Place the outside sensor in a position that covers the following characteristics On a façade of the area to be heated on the north if possible Half way up the wall of the area to be heated Under the influen...

Page 46: ...n with the following characteristics Masked by part of the building balcony roof etc Close to a disruptive heat source sun chimney ventilation grid etc Fig 50 MW 3000014 2 6 8 11 Connecting the outdoor temperature sensor 1 Connect the outdoor temperature sensor to the T Out input on the SCB 10 PCB of the indoor unit Important Use a cable with a minimum cross section of 2x0 35 mm2 and a maximum len...

Page 47: ... electrical back up heater power supply cable into the 230 V cable duct Adapt the length of the cables and check their positions with a cable clamp Single phase connection A Bridge B Power supply Three phase connection A Bridge B Power supply Press the orange push button to allow the wire to be correctly inserted in the connector and locked Fig 52 MW 1001223 1 1 2 Fig 53 2 6 kW 2 kW MW 1001224 4 H...

Page 48: ...2 capacity HP035 Declaration of the capacity of the 2nd stage of the electrical backup used for the energy counter 0 kW to 10 kW 6 9 Connecting options 1 Connect the options according to the configuration of the installation to the X12 or X28 connector on the EHC 05 PCB in the indoor module Tab 33 Connecting the options to X28 X28 connector Description T dhw 1 Optional Connection of a second domes...

Page 49: ...on of the logic in cooling mode compared to heating mode No default value cooling demand uses the same logic as the heating demand Yes cooling demand uses the reverse logic to the heating demand Tab 36 OTH LogicLev contact and RevContactOTH cool parameter settings Value of the OTH LogicLev contact parameter CP640 CP641 CP643 Value of the RevContactOTH cool parameter CP690 CP691 CP693 Position of t...

Page 50: ... Closed default val ue Closed default val ue Open Cooling No cooling demand Cooling demand Closed default val ue Closed default val ue Closed Heating No heating demand Heating demand Tab 40 Configuration B Value of the OTH LogicLev contact CP640 parameter Value of the BL1 contact config AP098 parameter The BL1 multifunc tion input is Operating mode for the heat pump If the OT contact is open If th...

Page 51: ...ave accumulated in the heating circuit over the years 1 Remove any sludge from the installation 2 Flush the installation with at least 3 times the volume of water contained in the central heating system until the water runs clear and shows no impurities 6 11 Filling the installation 6 11 1 Treatment of the heating water In many cases the heat pump and the heating system can be filled with mains wa...

Page 52: ...Cillit Climalife Fernox Permo Sentinel 6 Installation 52 7762758 v05 19082020 ...

Page 53: ...it Indoor unit Electrical back up 2 Check that the BUS cable is correctly positioned between the indoor unit and the outdoor unit and that it is separate from the power supply cables 3 Check the conformity of the circuit breakers used Outdoor unit circuit breaker Indoor unit circuit breaker Electrical back up circuit breaker 4 Check the positioning and connection of the sensors Room temperature se...

Page 54: ...cycle Points to check After commissioning domestic hot water production takes priority Keep this operating mode to increase the temperature and check that the heat pump is operating correctly At the end of the vent cycle if the heat pump does not start check the flow temperature on the user interface The flow temperature must be above 10 C to enable the outdoor unit to start This protects the cond...

Page 55: ...fter about 10 minutes vent the air in the heating system Check the hydraulic pressure on the user interface If necessary top up the water level in the heating system Check the fouling level of the filter s present both in the heat pump and on the installation If necessary clean the filter s 5 Restart the heat pump 6 Explain how the system works to the users 7 Hand over all manuals to the user 7 Co...

Page 56: ... 2 Information on the selected icon 3 error notification only visible if an error occurs 4 Navigation level User level Installer level This level is reserved for installers and is protected by an access code When this level is active the Off icon becomes On Tab 45 Icons on the home screen and information Icon Information Description of the icon OK I Error status Information on operation of the app...

Page 57: ...yed on the home screen 4 Check the hydraulic pressure in the installation indicated on the user interface Important Recommended hydraulic pressure between 0 15 and 0 2 MPa 1 5 and 2 0 bar 8 2 2 Shutting down the heat pump The heat pump must be shut down in certain situations for example during any intervention on the equipment In other situations such as an extended absence period we recommend tha...

Page 58: ...ect Heating Curve 3 Set the following parameters Tab 46 Parameter Description Slope Value of the heating curve gradient underfloor heating circuit gradient between 0 4 and 0 7 radiator circuit gradient of approx 1 5 Max Maximum temperature of the circuit Base Curve base point temperature default value Off auto matic mode If Base Off the curve base point temperature becomes equal to the room set po...

Page 59: ...cal CANbus To detect devices connected to the CAN bus 1 Press the key 2 Select Advanced Service Menu Auto Detect 3 Select Confirm to carry out the auto detect Reverting to the commissioning settings If the commissioning settings were saved you can revert to the values specific to your installation To revert to the commissioning settings 1 Press the key 2 Select Advanced Service Menu Revert commiss...

Page 60: ...The consumption of electricity may rise 1 Adjust the following domestic hot water production setting parameters Tab 48 Access Parameter Description Adjustment required DHW tank Parameters counters signals Parameters Hysteresis DHW DP120 Hysteresis temperature relative to the DHW temperature setpoint Reduce the set point temper ature differential triggering the domestic hot water tank to be charged...

Page 61: ...ired Parameter Description 21 7 CIRCA0 19 8 CIRCA1 CIRCB1 or CIRCC1 Set Screed Drying 1 Number of days of dry ing Zone screed drying Setting of the screed drying program of the zone 2 Drying start temperature ScreedStartTemp Setting of the start temperature of the screed drying program of the zone 3 Drying end temperature ScreedStopTemp Setting of the stop temperature of the screed drying program ...

Page 62: ...ture sensor to the Tsyst1 con nector on the SCB 10 PCB Buffer tank top temperature sensor to the Tsyst2 connector on the SCB 10 PCB 2 Configure the pump for the CIRCA0 zone as a system pump Tab 52 Access Parameter Adjustment required 23 5 Air Src Heat pump Parameters counters signals Adv Parameters Boiler Pump function AP102 No all demands 3 Deactivate the CIRCA0 circuit Tab 53 Access Parameter Ad...

Page 63: ...installed and configured with one or two temperature sensors 1 Program the load timers for the buffer tank Tab 55 Access Adjustment required Installation Setup Buffer tank Buffer Tank Schedule Program the Operating activity which will activate the buffer tank load 2 If necessary configure and program the TEL digital input Tab 56 Access Parameter Description Adjustment required Installation Setup D...

Page 64: ...BufferTank HystStart BP014 Hysteresis of temperature which determines the start of Buffer Tank storage Fig 68 Buffer tank loaded MW 1000346 2 1 The buffer tank is loaded when the temperature measured by the sensor is equal to the buffer tank temperature set point 1 Sensor temperature buffer tank set point temperature BufferTank HystStop BP019 Hysteresis of temperature which determines the start of...

Page 65: ...eat pump Parameters counters signals Parameters Bivalent temperature HP000 Bivalent temperature Above the bivalent temperature the backup energy source is not allowed to operate 5 C 6 Configure the parameter Max CH flow setpoint AP063 Tab 63 Access Parameter Description Adjustment required 23 5 Air Src Heat pump Parameters counters signals Adv Parameters Max CH flow setpoint AP063 Maximum central ...

Page 66: ...s From 0 to 65535 days 90 days Top up timeout AP069 Maximum time to top up the water in the circuit during operation 0 Min to 65535 Min 5 minutes Operational Pressure AP070 The operational water pressure the device should be working on From 0 bar to 2 5 bar 2 bar InstallMaxTimeOut AP071 Maximum time that is needed to fill the complete installation From 0 Sec to 3600 Sec 3600 seconds 9 2 12 Supplyi...

Page 67: ... programmed hours particularly at night This mode gives temporary precedence to silent running rather than temperature control This package is not compatible with the AWHP 4 5 MR outdoor unit 1 Connect the silent running kit to the outdoor unit 2 Connect the silent running kit to one of the CIRCA1 CIRCB1 CIRCC1 or CIRCAUX1 zone pump outlets of the SCB 10 PCB 3 Set the timer programming for this zo...

Page 68: ...t of the zone Can be set from 0 to 4 1 5 ZoneRoomUnitInfl CP240 Adjustment of the influence of the zone room unit Can be set from 0 to 10 3 TypeReducedNightM ode CP340 Parameter linked to the CP070 parameter Type of reduced night mode stop or maintain heating of circuit Stop heat demand heating is deactivated when the room set point tempera ture set in the timer programme is below the threshold se...

Page 69: ...omestic hot water Can be set from 0 to 255 min 5 min DHW backup type DP334 Backup type used for domestic hot water production Indoor Unit indoor unit electrical back ups DHW Tank DHW tank electrical back ups IDU DhwTank Cooling Indoor unit electrical back ups in winter DHW tank electrical back ups in cooling mode Indoor Unit 9 4 3 Installation Setup CIRCA1 CIRCB1 DHW1 CIRCC1 CIRCAUX1 Parameters co...

Page 70: ...ture of heat curve of the circuit Can be set from 15 C to 90 C set to 15 the curve base temperature is set automatically and is the same as the room set point temperature Zone HCZP Reduced CP220 CP221 CP222 CP223 CP224 CIRCA1 15 CIRCB1 15 DHW1 15 CIRCC1 15 CIRCAUX1 15 Reduced footpoint of the temperature of heat curve of the circuit can be set from 6 to 90 C set to 15 the curve base temperature is...

Page 71: ...H HP031 Shutdown time delay for back ups in central heating mode Can be set from 0 Min to 600 Min 4 Delay Min Outdoor T HP047 Start up time delay for back ups corresponding to the minimum outdoor tempera ture HP049 The dynamic time delay is activated when HP030 0 Can be set from 0 Min to 60 Min 8 Delay Max Outdoor T HP048 Start up time delay for back ups corresponding to the maximum outdoor temper...

Page 72: ...t from 0 kW to 10 kW 0 COP Threshold HP054 COP threshold above which the heat pump is authorised to operate 2 5 Hybrid mode HP061 Not used 0 Boiler efficiency HP068 Not used 100 Cool Setpoint offset HP079 Maximum offset applied to the cooling setpoint when a 0 10V humidity sensor is used Can be set from 0 C to 15 C 5 Humidity level HP080 Relative humidity level over which the offset is added to th...

Page 73: ... selection 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 6 Gen Backup relieved 7 High Low Tariff 8 Photovoltaic HP Only 9 PV HP And backup 10 Smart Grid ready 11 Not used 2 De aeration cycle AP101 De air cycle settings 0 No deair at power up 1 Alway...

Page 74: ...anced parameters Factory setting SCB 10 NP001 Hysterese high for Producer Manager Can be set from 0 5 C to 10 C 3 NP002 Hysterese low for Producer Manager Can be set from 0 5 C to 10 C 3 NP003 Maximum error gain for Producer Manager Can be set from 0 C to 10 C 10 NP004 Proportional Factor for cascade with Temperature algorithm Can be set from 0 to 10 1 9 4 6 Installation Setup Outside temp Paramet...

Page 75: ...036 Sets the general configuration of the sensor input Tsyst1 Disabled DHW tank DHW tank top Buffer tank sensor Buffer Tank top System cascade Disabled Sensor input config EP037 Sets the general configuration of the sensor input Tsyst2 Disabled DHW tank DHW tank top Buffer tank sensor Buffer Tank top System cascade Disabled 9 4 9 Installation Setup 0 10 V input Parameters counters signals Tab 83 E...

Page 76: ... up normally except in the case of active back up relief limitation linked to bi valency or hybrid mode operation for example If the heat pump should also be limited the back ups are nevertheless authorised to operate to guarantee heating comfort The back ups can also operate where defrosting is necessary to guarantee the safety of the plate heat exchanger without taking into account temperature v...

Page 77: ...HP049 4 Max Outdoor T backup HP050 Important In this example with the factory set parameters if the outdoor temperature is 10 C the back up will start up 25 minutes after the outdoor unit of the heat pump Tab 87 Time delay curve parameters for tripping the back up when Delay StartBackup CH HP030 is set to 0 Access Parameter Description Value 23 5 Air Src Heat pump Parameters counters signals Param...

Page 78: ...re falls below the operating threshold of the outdoor unit If the outdoor temperature is below the minimum operating temperature of the outdoor unit as defined by the Min Outdoor T HP HP051 parameter the outdoor unit is not authorised to operate Tab 88 Access Parameter Description Value 23 5 Air Src Heat pump Parameters counters signals Adv Parameters Min Outdoor T HP HP051 Minimum outdoor tempera...

Page 79: ...Heating Cooling Operating description Tab 90 Behaviour of the electrical back up Access Parameter Operating description Adjustment required Installation Setup DHW tank Parameters counters signals Parameters DHW management DP051 If set to Economy the system gives priority to the heat pump during domestic hot water production Recourse to the electrical back up is only taken if the Delay StartBackupD...

Page 80: ... 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 DHW duration DP047 parameter In the event of insufficient heating comfort the heat pump is running too long in domesti...

Page 81: ...t DP080 Reduced temperature setpoint from the Domestic Hot Water tank Tab 93 Configuration of the duration Access Parameter Description DHW tank Parameters counters signalsParameters Max DHW duration DP047 Maximum duration of the domestic hot water production Min CH before DHW DP048 Minimum heating duration between two periods of domestic hot water production Tab 94 Temperatures Access Signal Desc...

Page 82: ...ice hours mains parameter Hours powered to raise a service notification or after the number of compressor operating hours defined by the Mainte nance hours parameter 4 With the Custom notification notification type set the number of operating hours before a maintenance message is sent Parameter Description Maintenance hours AP009 Compressor operating hours before a maintenance message is sent Serv...

Page 83: ...t over time Caution Do not drain the installation except in cases of absolute necessity E g several months absence with the risk of temperatures in the building falling below freezing 10 4 1 Checking the safety components 1 Check that the safety components are operating correctly particularly the safety valve on the heating circuit 2 Check the electrical connections 3 Change any and all parts and ...

Page 84: ... and be ejected via the drain 3 Connect a pipe to the filter valve then open the valve by a quarter turn 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 5 Refit the magnet Pushing it in fully Fig 73 2 MW 1001305 1 Fig 74 3 MW 1001306 1 Fig 75 4 MW 1001307 1 Fig 76 5 MW 1001308 1 10...

Page 85: ...er If the flow rate in the installation is too low fully clean the magnetic filter This operation requires the appliance to be fully drained 1 Power off the appliance 2 Isolate the appliance from the water supply 3 Drain the appliance connect a drain pipe to the filter nipple then open the valve on the filter tap by a quarter turn 4 Once water stops running out of the pipe close the valve on the f...

Page 86: ...eakage Observe the keyway of the plastic part align the notch with the pin Replace the seal if necessary Check that the seal is correctly positioned before tightening with the key supplied with the indoor unit 9 Open the stop valves and reactivate the water supply to the appliance 10 Re commission the appliance Fig 81 6 MW 1001313 1 Fig 82 7 MW 1001314 1 Fig 83 8 MW 1001315 2 10 Maintenance 86 776...

Page 87: ...longer saved 1 Remove the front panel by pulling firmly upwards 2 Tilt the control panel support forwards Important Keep a good hold of the control panel bracket in order not to pull out or disconnect the electrical connections in the control panel 3 Remove the battery located in back plate of the control panel by pushing it gently forwards 4 Insert a new battery Important Battery type CR2032 3V D...

Page 88: ...ns 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 This error code is important for the correct and rapid diagnosis of the type of malfunction and for any technical assistance that may be needed If an error occurs 1 Make a note of the code displayed on the screen 2 Remedy the problem described by the error cod...

Page 89: ...sor has been fitted properly Check the Ohmic value of the sensor Replace the sensor if necessary Activate automatic detection of all the options and accessories Reset the factory settings for the CN1 and CN2 parameters Important This solution also resets all the other parameters H00 47 HP flow sensor removed or below range Heat pump flow temperature sensor is either removed or measures a temperatu...

Page 90: ...ect Configure CN1 CN2 depending on the output of the outdoor unit installed CNF menu H02 04 Parameter Error Parameter Error Restore the factory settings If the error is still present change the central unit PCB PCB settings cannot be read Configure CN1 CN2 depending on the output of the outdoor unit installed CNF menu Check the correct parameter settings H02 05 CSU CU mismatch CSU does not match C...

Page 91: ...critic device lost Uncritical 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 and the PCBs Run automatic detection H02 60 Unsupported function The zone doesn t support the selected function H06 01 HP Unit Failure Heat Pump Unit Failure occured He...

Page 92: ...Zone D doesn t support the selected function H02 65 Unsupported function Zone E doesn t support the selected function H02 66 TAS not connected The anti corrosion protection TAS of the Domestic Hot Water tank is not connected H02 67 TAS short circuit The anti corrosion protection TAS of the Domestic Hot Water tank is shortend H10 00 T Flow Zone A Open Flow temperature sensor Zone A Open H10 01 T Fl...

Page 93: ... 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 Insufficient flow open a radiator valve The circuit is clogged Check that the filters are not obstructed and clean them if necessary Clean and flush ...

Page 94: ... device lost Uncritical device has been disconnected Bad connection check the wiring and connectors Faulty SCB PCB replace SCB PCB A10 45 RoomTempZoneA miss Measure of Room Temperature Zone A is missing A10 46 RoomTempZoneB miss Measure of Room Temperature Zone B is missing A10 47 RoomTempZoneC miss Measure of Room Temperature Zone C is missing A10 50 T_DHW top D miss Domestic Hot Water temperatur...

Page 95: ... be carried out by a qualified professional in accordance with prevailing local and national regulations 1 Switch off the heat pump 2 Cut the mains supply to the heat pump 3 Recover the refrigerant in accordance with prevailing regulations Important Do not allow the refrigerant to escape into the atmosphere 4 Disconnect the refrigerant connections 5 Close the water mains 6 Drain the installation 7...

Page 96: ...MW 3000616 3 2 6 8 14 13 5 7 3 1 9 10 11 12 Tab 101 Markers Reference Description 1 300025324 Assembled casing 2 300025281 Casing bottom 3 55125 Pipe feed 4 55125 Pipe feed for electrical back up 5 7666862 Tank blocking plate 6 200020022 Blocking piece for control panel 7 300027772 Casing cross bar support 8 300025063 Diaphragm cable grommet dg pvc 21 e1 9 7683389 Front panel 10 49826 Silicon leak...

Page 97: ...n telephone relay connector 6 300009081 5 pin connector TS Pump B bridge 7 S100869 SCU gasket 8 S100862 SCU grommet 5x 9 7684855 EHC 05 central unit PCB 10 300020012 Clip on interface PCB holder series 100 0 11 7653678 HPC 01 interface PCB 14 200009965 2 point BL connector orange 15 7685026 rast5 4 pin connector three way valve 16 7638205 LUMB 361102f07k13m08 connector 17 300008957 2 pin DHW senso...

Page 98: ... 1 11 10 5 6 Tab 103 List of spare parts for the PCBs Marker Reference Description 1 7673746 EHC power supply harness 2 7744748 700 mm L BUS cable 3 7680005 PC operating harness 4 7680047 Sensor harness 5 7680155 S2 S3 cable 6 7680130 EHC HPC harness 7 7680294 Earth wire 8 7750990 Liquid sensor 9 7750947 Heating sensor 10 7705849 Harness 11 7680120 EHC power supply harness CH pump 12 7673502 EHC h...

Page 99: ...31 63 38 70 42 69 11 73 53 31 51 3 30 32 37 9 36 36 33 33 2 26 30 6 25 28 28 28 28 30 59 57 41 4 27 34 14 29 13 80 35 10 39 26 30 8 52 63 67 71 66 72 74 23 76 38 24 14 77 38 31 31 31 28 35 47 46 28 47 46 28 49 48 16 62 26 Tab 104 Markers Reference Description 1 300025284 Tank unit 2 300025388 Quick connection T shaped piece 13 Spare parts 7762758 v05 19082020 99 ...

Page 100: ...0023113 Pin for DN20 27 116552 Pin clip 20 28 300025361 Spacer clip 29 95013063 Fibre washer d 38 x 27 x 2 30 95023311 21x3 5 O ring 31 95013062 Green gasket 30x21x2 32 95023308 O ring 9 19x2 62 EPDM 33 300025285 Spacer dia 22 34 300025444 Hose fastener 35 95890434 Serrated thibloc HM8 nut 36 110865 Tank support bracket 37 300024235 Blocking pin dia 10 38 95013064 Green gasket 44x32x2 39 95013058 ...

Page 101: ...18815 COTHERM BSDP 0002 thermostat and syringe kit 72 95320950 Cable clamp 73 95770690 Sim cb screw 3 94x9 5 74 300024354 Cable clamp to clip 75 300027995 Preheater pipe insulation 1 tank 76 300027996 Preheater pipe insulation 2 tank 77 300025263 Circulating pump pipe preheater 78 300025397 O ring dia 34x4 79 300025423 Pin dia 35 80 7693269 Electrical back up cover 81 7715766 Gasket 82 7715768 Pla...

Page 102: ...2670 Grip 6 7652671 Front panel 7 7652672 Fan grate 9 7652673 Base frame 12 7652674 Compressor anti vibration mount kit 13 7652675 SNB130FGBMT compressor 14 7652676 1 2 stop valve gas Ø 12 7 mm 15 7652677 1 4 stop valve hydraulic Ø 6 35 mm 16 7652678 Expansion valve 17 7652679 LEV expansion valve coil 18 7652680 21S4 solenoid valve coil 19 7652681 4 way valve 20 7652682 Stop valve access panel 21 ...

Page 103: ...tral unit PCB 30 7652694 Side panel right 31 7652695 L61 coil 32 7652696 Rear protection grid 33 7652697 Fan motor support 7652698 Capillary tubes 100 Ø 4 mm x Ø 2 4 mm 7652699 Condensate discharge 13 3 2 AWHP 6 MR 3 Fig 93 Base frame 9 10 7 8 1 2 6 5 3 4 MW 1000875 2 Tab 106 Marker Reference Description 1 7673303 Fan grate 2 7673305 Front panel 3 7673306 Base panel 4 7673313 Cable duct 5 7673307 ...

Page 104: ...73309 Rear protection grid 8 7673310 Side panel right 9 7673311 Motor bracket 10 7673312 Top panel Fig 94 Electric part 4 11 1 2 3 5 29 30 6 7 8 9 10 12 13 14 15 16 21 23 24 25 27 26 17 18 20 19 28 MW 1000874 1 13 Spare parts 104 7762758 v05 19082020 ...

Page 105: ...18092 Load plug 15 300023668 4 way valve 16 7673326 TH6 7 temperature sensor 17 7673327 Coil evaporator condenser 18 7673328 21S4 4 way valve coil 19 7673329 HP pressure switch sensor 20 300018123 41 5 bar HP pressure switch 21 300023673 Connection terminal block 23 7673330 Cover 24 7673331 Support 25 7673332 Central unit PCB 26 7673333 Relay card 27 7673334 Radiator support 28 7673335 TH8 radiato...

Page 106: ...VICE REF AWHP 8 MR 2 R2 UK 5 7614223 Motor bracket SERVICE REF AWHP 8 MR 2 5 7705553 Motor bracket SERVICE REF AWHP 8 MR 2 R2 UK 6 7614224 Valve bracket 7 7614225 Grip 8 7614226 Lower front panel 9 7614227 Lower rear panel 10 7614228 Side panel right SERVICE REF AWHP 8 MR 2 10 7705557 Side panel right SERVICE REF AWHP 8 MR 2 R2 UK 11 7614230 Maintenance access panel 12 7614231 Rear protection grat...

Page 107: ...r 5 7614239 High pressure pressure switch 6 7614240 Compressor TNB220FLHMT SERVICE REF AWHP 8 MR 2 6 7652256 Compressor SNB220FAGMC L1 SERVICE REF AWHP 8 MR 2 R1 UK SERVICE REF AWHP 8 MR 2 R2 UK 7 7614241 TH34 compressor discharge temperature sensor 8 7614242 Anti vibration stud SERVICE REF AWHP 8 MR 2 8 7705559 Anti vibration stud SERVICE REF AWHP 8 MR 2 R2 UK 9 7614243 Load plug 10 7614244 Stop ...

Page 108: ... 8 MR 2 R2 UK 22 7614279 Control panel 23 7614280 Self DCL SERVICE REF AWHP 8 MR 2 23 7705563 Self 18 MH SERVICE REF AWHP 8 MR 2 R2 UK 24 7614282 EMI suppressor filter 25 7614283 Dissipator sensor TH8 SERVICE REF AWHP 8 MR 2 25 7705564 Dissipator sensor TH8 SERVICE REF AWHP 8 MR 2 R2 UK 26 7614284 Output PCB SERVICE REF AWHP 8 MR 2 26 7652259 Output PCB SERVICE REF AWHP 8 MR 2 R1 UK SERVICE REF AW...

Page 109: ...14 Reference 14 Reference 7762758 v05 19082020 109 ...

Page 110: ...r responsibility to register with the manufacturer within the allotted time period It is essential that the heat pump is serviced in line with the manufacturers recommendations at least annually This must be carried out by a competent certified operative The service details should be recorded on the Benchmark Service and Interim Heat Pump Work Record and left with the householder Failure to comply...

Page 111: ... Pump outdoor unit Tick the appropriate boxes Measure and Record Is the heating system adequately frost protected and pipes insulated to prevent heat loss Yes Split only The refrigerant circuit has been evacuated and charged in accordance with manufacturer s instructions Yes The heat pump is fitted on a solid stable surface capable of taking its weight Yes The necessary heat pump defrost provision...

Page 112: ...eat sources connected Gas Boiler Oil Boiler Electric Heater Solar Thermal Other ALL INSTALLATIONS All electrical work complies with the appropriate Regulations Yes The heat pump and associated products have been installed and commissioned in accordance with the manufacturer s instructions Yes The operation of the heat pump and system controls have been demonstrated to and understood by the custome...

Page 113: ...e action taken in accordance with BS 7593 and heat pump manufacturers instructions Yes N a Comments Signature SERVICE 01 Date Engineer name Company name Telephone No Operative ID No System inhibitor concentration has been checked and appropriate action taken in accordance with BS 7593 and heat pump manufacturers instructions Yes N a Comments Signature SERVICE 01 Date Engineer name Company name Tel...

Page 114: ... the service engineers attendance visit was in between annual services to attend a non water facing component SERVICE 01 Date Engineer name Company name Telephone No Operative ID No System inhibitor concentration has been checked and appropriate action taken in accordance with BS 7593 and heat pump manufacturers instructions Yes N a Comments Signature SERVICE 01 Date Engineer name Company name Tel...

Page 115: ...cal 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 116: ...baxi co uk Open Monday Thursday 8am 4 30pm Friday 8am 4pm In Warranty cover on Saturdays 9am 12pm October March We are closed on Bank Holidays Christmas Day and New Year s Day Baxi Potterton Myson Unit F 5 6 Calmount Park Calmount Road Ballymount Dublin 12 Ireland 00353 0 1 4590870 Please note calls may be monitored or recorded For Baxi Potterton Myson Customer Support and Technical Advice contact...

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Baxi Assure AWHP-IDU 4-8 E, Installation And Service Manual

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