Dimplex A8M Installation Manual
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Dimplex A8M Installation Manual

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A-Class Heat Pumps
A8M, A12M & A16M Installation Manual
8/60472/0
dimplex.co.uk
Issue 1.07

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  • Page 1 A-Class Heat Pumps A8M, A12M & A16M Installation Manual 8/60472/0 dimplex.co.uk Issue 1.07...

  • Page 3: Table Of Contents

    1.5 Heat Pump Labels and Pipe Connections 1.6 Heat Pump Dimensions 1.7 Scope of Delivery 1.7.1 Installation pack 1 - Space heating and Dimplex A-Class cylinder 1.7.2 Installation pack 2 - Space heating and Dimplex standard cylinder 1.7.3 Installation pack 3 - Space heating only Important pre-installation information 2.1 Connection to the Grid - Notifying the DNO...
  • Page 4 4.4.4 Temperature Check 4.4.5 Electrical connections 4.4.6 Water Flow Check 4.4.7 DHW set-up 4.4.8 Electrical connections (DHW) 4.4.9 DHW Test 4.4.10 Disinfection (thermal) 4.4.11 Weather compensation 4.4.12 Heating curves 4.4.13 Comfort level 4.4.14 Setup complete 4.5 Additional Installer Menu Options 4.5.1 Service menu 4.5.2 Message log 4.5.3 Output Tests...

  • Page 5: Introduction

    The specifications and information supplied in this manual may be subject to change without notice at the discretion of Dimplex. All attempts have been made to ensure that this document is complete and that the information supplied is correct at the time of publication, however Dimplex will assume no responsibility for damages (including consequential and indirect / accidental damages) resulting from reliance on the information presented in this document.

  • Page 6: Important Safety Information

    Safety measures are in place to avoid system pressure build up; Stage 1: Pressure transducer stops compressor. Stage 2: Pressure switch switches heat pump off. All safety devices reset automatically. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 7 CAUTION: Two separate, designated RCD devices should be fitted - one for the heat pump and one for the cylinder. The heat pump system must not share an already existing domestic RCD device. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 8: Intended Use

    Any further connection requirements stipulated by the network operation must also be observed. When connecting to the heating system all applicable regulations must also be adhered to. NOTE: Products not installed with the Dimplex hydraulics packs will not be supported by Dimplex. This includes but is not limited to thermal stores.

  • Page 9: Heat Pump Labels And Pipe Connections

    All work to be carried out on this unit is to be carried out by a competent person. 1/75733/0 Figure 2: Heat pump connections and labels 1.6 Heat Pump Dimensions Figure 3: Heat pump dimensions 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 10: Scope Of Delivery

    Below is a guideline checklist for what should be contained in each pack. Claims for missing or damaged parts after signing for the delivery will not be accepted. There are 3 options to select from when installing a Dimplex Heat Pump: Pack 1 - Space heating and Dimplex A-Class Cylinder This pack should contain four boxes;...

  • Page 11: Installation Pack 1 - Space Heating And Dimplex A-Class Cylinder

    1.7.1 Installation pack 1 - Space heating and Dimplex A-Class cylinder Description Part No. A-Class heat pump A8M / A12M / A16M Blanking plugs (x4, stored inside heat pump) 4592624105 Hydraulics Kit A ACCHYPK User interface (UI) 1754600 ERES spring loaded by-pass valve (22mm comp. fitting) 1755780 3-port diverting valve (28mm comp.

  • Page 12: Installation Pack 2 - Space Heating And Dimplex Standard Cylinder

    Wiring centre module 049162 1 x Temperature probe (NTC10) for DHW NOTE: Cylinder required for pack 2 installation; please see Dimplex EC-EAU cylinder manual for range of non A-Class cylinders. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF...

  • Page 13: Installation Pack 3 - Space Heating Only

    1.7.3 Installation pack 3 - Space heating only Description Part No. A-Class heat pump A8M / A12M / A16M Blanking plugs (x4, stored inside heat pump) 4592624105 Hydraulics Kit B ACCHYPK User interface (UI) 1754600 Pump - UPM GEO 25-85 180 (1500mm cable) 1755740 Isolation valves (1”...

  • Page 14: Important Pre-Installation Information

    The required forms are supplied by Dimplex and must be filled in by the heat pump installer alongside the client. We recommend notifying the DNO as early as possible in the planning stage to discuss the project and any additional information.
  • Page 15 2m is recommended. ANY type of obstruction in front of the heat pump, even small shrubs, can block the air flow and cause cold air recirculation. Figure 5: Good air flow with recommended clearances 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 16: Installation Instructions

    500mm each side for service and at least 1000mm in front of the fan to avoid air recirculation. Figure 6: Required service and air flow clearance dimensions 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 17 (see figure 7). The condensate pipe must be uncoiled and run through the condensate pipe hole in the base panel to the drain. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 18: Temperature Control Devices

    3.1.1 Temperature Control Devices • The controller/user interface that is supplied with the Dimplex A-Class heat pump is used as a heat pump controller as well as a space heating and domestic hot water (DHW) controller. The preferred option is to use the user interface as a room temperature control device.

  • Page 19: Space Heating Zones

    3.1.3 Location of Wiring Centre If a Dimplex A-Class cylinder is used, the wiring centre is built in to the A-class cylinder and pre-wired. If a non A-Class cylinder is used, the wiring centre module must be installed.

  • Page 20: Installation

    Dimplex recommend the use of a power flush and purge cart to facilitate this process.
  • Page 21 The isolation valve on the return is also fitted with a non-return valve and a strainer (included in the Dimplex heat pump hydraulics pack). This means that in order to clean the strainer, the system does not have to be drained. Instead, it is possible just to close the isolation valves on the return and remove the strainer.

  • Page 22: Pipe Sizing Information

    Ensure the water out and water in pipes are positioned correctly for connection to the heat pump NOTE: The hydraulic installation information provided in this manual applies only to the components provided in the Glen Dimplex hydraulics pack (see Scope of Delivery for information). A12M / A16M DHW with...

  • Page 23: Buffer Tank

    The heat pump uses a reverse cycle defrost in order to defrost the evaporator by taking heat from the heating system. It is therefore necessary to connect a buffer tank in series with the heat pump, as shown in the hydraulic schematic diagrams (Appendices). The Dimplex A-Class cylinder range come with an integrated buffer tank, which;...

  • Page 24: Metering For The Domestic Renewable Heat Incentive - Uk

    Leave sufficient space for appropriate meters to be fitted in defined locations. • For Dimplex installations using 22mm pipe, please leave 440mm of straight pipework on the meter inlet pipe and 175mm of straight pipework on the outlet pipe; •...

  • Page 25: Electrical Information

    4.2 Electrical Information The heat pump system consists of the heat pump, wiring centre and user interface. If a Dimplex A-Class cylinder is also used, the wiring centre is built into the cylinder. The user interface acts as a thermostat and is sufficient if one heating zone is present. Optional, additional temperature probes or room thermostats are required for additional heating zones.

  • Page 26: Electrical Connections - Power And Modbus Cable Heat Pump Connections

    Connections on this side are pre-wired Figure 10: Heat pump electrical connections NOTE: ‘S’ as shown in figure 10 above is the earth shield and must be connected during installation. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 27 (see figure 12). Figure 12: Electrical cabling configuration 2 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 28: Modbus Cable Information

    The cover of the UI must be removed in order to move the jumper. To remove the cover, unscrew the screw at the bottom of the UI and lift the cover and rotary dial. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 29 To replace the cover, position the rotary dial over the holding pin on the board, ensuring the two are lined up correctly. Replace the cover and bottom screw. Ensure that rotary dial is tested and working once cover has been replaced. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 30: Heat Pump Controller / Commissioning

    The serial number displayed will be specific to your heat pump. CAUTION: Access to functions by unatuhorised personnel negates warranty and may cause damage to the system. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 31: Commissioning

    Accessing General/Schematic menu allows you to set the date and time, and the level of access allowed. It is recommended that the Standard user access level is selected for most installations. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 32 1 shows an example of a system requiring an 10300310 open by-pass while example 2 requires the installation 10300410 of a spring by-pass. 10310190 10310290 10310390 10310490 Table 4: Schematic codes information 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 33: Waterside Check

    Changing individual settings during the commissioning process may cause commands to be ignored or cause the heat pump to stop working correctly. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 34: Temperature Check

    Do not confirm that the pump is working in this menu unless you have physically checked it, as the UI requires your input and does not detect this automatically. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 35 Schematic 1 or 3 (Space heating only or Bivalent space heating), move now to section 4.4.12 Heating Curves to complete the commissioning process. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 36: Dhw Set-Up

    NOTE: If the 3-port valve head is removed and the valve moved by hand, the valve must be power cycled (switched off and on again) in order to ensure normal operation. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 37 Finish while the test is still running. Even if this test is postponed, the DHW function may be used. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 38: Disinfection (Thermal)

    If the temperature is set to above what the heat pump can achieve, text on the screen will appear which notifies that the immersion heater will be used at the end of the cycle to top up to the required disinfection temperature. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 39: Weather Compensation

    • The red line indicates the temperature that the water will be heated to, based on the outdoor temperatures. • The Def option will reset the pre-defined values. Nxt will save entered values. Figure 32: SmartRad Heating Curve 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 40: Comfort Level

    Selecting an individual error code will provide more information on the type of error that occurred if an SD card is present. Active error messages will show a ticked box. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 41: Output Tests

    Selecting ‘Next’ brings you to the permanent run time history which cannot be reset unless a software update is installed. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 42: System Health Check / Maintenance

    System Health Check / Maintenance NOTE: These are checks that should be carried out regularly to ensure that your Dimplex product performs at its best. 5.1 Heat pump: • Is the fan grille clear from debris? - Visual check •...

  • Page 43: Appendices

    6.9 Wiring Centre Electrical Connections - with A-Class Cylinder 6.10 Jumper Information for Alternative Wiring Configuration 6.11 Controller Cable Connections 6.12 Installer Menu Flow Chart 6.13 Installer Hand-Over Form 6.14 Certificate of Conformity 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 44: Technical Specifications

    Yes : Heating Water in Device Protected Against Freezing by Software According to EN 12102. Fan is variable speed, rated input relates to nominal input power. 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 45: Refrigeration Cycle

    6.2 Refrigeration cycle 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 46 RELAY RELAY RELAY RELAY 4A fuse 4A fuse 2A fuse 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 47 RELAY RELAY RELAY RELAY 4A fuse 4A fuse 2A fuse 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 48: Schematics 1, 2, 3 & 4 : Space Heating Only

    RELAY RELAY RELAY RELAY 4A fuse 4A fuse 2A fuse 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 49: Schematics 5, 6, 7, 8 : Zone Space Heating + Dhw

    RELAY RELAY RELAY RELAY 4A fuse 4A fuse 2A fuse 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 50: Schematics 9, 10, 11, 12 : Bivalent Space Heating

    RELAY RELAY RELAY RELAY 4A fuse 4A fuse 2A fuse 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 51: Schematics 13, 14, 15, 16 - Bivalent Zone Space Heating + Dhw

    RELAY RELAY RELAY RELAY 4A fuse 4A fuse 2A fuse 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 52 COIL COIL 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 53 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 54 NOTE: The alternative wiring configuration is shown below, but should only be used if absolutely necessary.Wiring centre electrical configurations - with A Class cylinder Start 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 55: Controller Cable Connections

    0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...
  • Page 56 Input/Output Tests Operating Data Waterf low Checks DHW Setup Electrical Connections (DHW) DHW Test Disinf ection Heating Zone Selection Heating Circuit Type Setup Complete ON/Automatic 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 57: Installer Hand-Over Form

    Outside Temperature °C Spread K Flow Rate m Refrigeration: Pressure Temperature High Pressure Low Pressure Heat Exchanger IN (T1) OUT (T2) Temp. Refrigeration Temp. Water Running Amps 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

  • Page 58: Ec Declaration Of Conformity

    Newry, Co. Down, BT34 2QU Description: Heat Pump Type: Air – to – Water Model: A16M Model: A12M Model: A8M EC Directives: Low voltage directive 2006/95/EC EMC directive 2004/108/EC Pressure equipment directive 97/23/EC Applied Standards: EN 60335-1:2002+A11+A1+A12+corr.+A2:2006; EN60335-1/A13:2008; EN60335-2- 40:2003+A11+A12+A1+corr.+A2:2009 EN55014-1:2006;...
  • Page 59 0844 879 3587 Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF dimplex.co.uk | gdcgroup.co.uk...

This manual is also suitable for:

A16mA12m

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