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Alpha Pre-Plumb 20 Installation And Servicing Instruction

Pre-plumbed cylinder with hydro heat pump
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Installation and Servicing
Pre-Plumbed cylinder with Hydro heat pump
These instructions have been carefully prepared but we reserve the right
to alter the specification at any time in the interest of product improvement.
© Alpha Therm Limited 2023.
Instructions
Pre-Plumb 200
For Technical help or for Service call ...
ALPHA HELPLINE Tel: 0344 871 8764
website: www.alpha-innovation.co.uk
Nepicar House, London Road,
Wrotham Heath, Sevenoaks,
Kent TN15 7RS
Leave these instructions with the User
Part No. 1.047798 ST.0006834/001
0623/D460

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Summary of Contents for Alpha Pre-Plumb 20

  • Page 1 Installation and Servicing Instructions Pre-Plumb 200 Pre-Plumbed cylinder with Hydro heat pump For Technical help or for Service call ... ALPHA HELPLINE Tel: 0344 871 8764 website: www.alpha-innovation.co.uk Nepicar House, London Road, Wrotham Heath, Sevenoaks, Kent TN15 7RS Leave these instructions with the User These instructions have been carefully prepared but we reserve the right Part No.

  • Page 2: Table Of Contents

    19 Benchmark commissioning ....52 INTRODUCTION The Alpha range of factory built pre-plumbed and wired unvented heat pump cylinders are designed for use with the Alpha Hydro range of monobloc air source heat pumps. The cylinder is manufactured in high grade stainless steel with manifold, pump, and zone valves pre-fitted. The unit also has a pre-wired control panel for all connection and settings according to the system requirements.

  • Page 3: Safety Symbols

    The user must not dispose of the appliance at the end of its service life as municipal waste, but send it to appropriate collection centres. PERSONAL PROTECTIVE EQUIPMENT SAFETY GLOVES SAFETY GOGGLES SAFETY FOOTWEAR Alpha Pre-Plumb 200 - Safety Symbols...

  • Page 4: Safety Notices

    All safety devices and discharge pipework must be correctly installed according to the required regulations for unvented hot water and sealed heating systems. Only use accessories and replacement parts approved by Alpha for suitability with the package. All exposed pipework and fittings must be insulated with suitable 19 mm thickness insulation.

  • Page 5: Technical Data

    EN 12897 44.5 kW Coil design flow rate EN 12897 2100 l Coil design ∆ T EN 12897 18.3 °C DATA PLATE - Located on the cylinder on the heat pump flow/return connection plate Alpha Pre-Plumb 200 - Technical Data...

  • Page 6: General Package Information

    12 bar. Where mixing taps and thermostatic or mixing showers are installed a balanced pressure cold supply must be used. Alpha Pre-Plumb 200 - General Package Information...

  • Page 7: Connections And Clearances

    CONNECTIONS AND CLEARANCES DIMENSIONS Fig. 6.1 Alpha Pre-Plumb 200 - Connections and Clearances...
  • Page 8 CONNECTIONS Fig. 6.2 Alpha Pre-Plumb 200 - Connections and Clearances...
  • Page 9 CLEARANCES REqUIRED Fig. 6.3 Alpha Pre-Plumb 200 - Connections and Clearances...

  • Page 10: Electrical Connection

    Refer to the relative instruction sheet for positioning of the external probe. For the proper operation of the optional probe it must be connected and then it must be enabled (Parameter R01). Once the probe is enabled, switch the appliance off and back on. Alpha Pre-Plumb 200 - Electrical Connections...
  • Page 11 CH mode TB (°C) TM (°C) TE (°C) TE (°C) 35 46 TE = External temperature TM = Flow temperature TB = Storage tank temperature With integration electrical resistance (optional) Fig. 7.2 Alpha Pre-Plumb 200 - Electrical Connections...

  • Page 12: Safety Discharge

    18 and 27 m at least 3 sizes larger, and so on; bends must be taken into account in calculating the flow resistance. Alpha Pre-Plumb 200 - Safety Discharge...
  • Page 13 G£ section 3.61 gives minimum alternative points of discharge) Fixed grating Discharge pipe (D2 from tundish, with continuous fall. See Building Regulation G3 section 3.56, Table 4 and worked example) Trapped gully Fig. 8.1 Alpha Pre-Plumb 200 - Safety Discharge...

  • Page 14: Heat Pump Primary Circuit

    HEAT PUMP PRIMARY CIRCUIT Fig. 9.1 Alpha Pre-Plumb 200 - Heat Pump Primary Circuit...

  • Page 15: Pump Performance

    1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 Flow Rate - l/h Pre-Plumbed 12-16 Prev. ZN1 (pdc UI+UE) - PWM 100% SET 100% Pre-Plumbed 12-16 Prev. ZN1 (pdc UI+UE) - PWM 70% SET 70% Fig. 10.2 Alpha Pre-Plumb 200 - Pump Performance...

  • Page 16: Commissioning

    'On' and 'Off' times have been adjusted for commissioning purposes, the controller should be reset to the desired settings. The operation of the controller should be demonstrated to the user and the controller installation and user instructions left with them for future reference. Alpha Pre-Plumb 200 - Commissioning...
  • Page 17 It is also recommended to time the hot water heating during periods when comfort heating is not essential to enable the heat pump to heat the hot water cylinder without interruption to heating. Therefore, during the day when the property is empty or during the night are the recommended times to heat the hot water. Alpha Pre-Plumb 200 - Commissioning...

  • Page 18: Instructions For Use

    At the end of its service life, the appliance must not be disposed of like normal household waste nor abandoned in the environment, but must be removed by a professionally authorised company as required by current legislation. Contact the manufacturer for disposal instructions. Alpha Pre-Plumb 200 - Instructions For Use...
  • Page 19 RESET MENU MODE 1 - Operating mode (Winter - Summer - Stand-by - Off) 12 - Connection to other Alpha units and parameter confirm button 13 - Central heating mode function active 2 - Menu selection button 14 - Temperature indicator, indoor unit info and error...
  • Page 20 With the external probe connected, the system flow temperature for room heating is managed by the external probe based on the outdoor temperature measured. You can change the flow temperature by choosing the offset value in the specific user menu. Alpha Pre-Plumb 200 - Instructions For Use...
  • Page 21 In the event of frequent pressure drops, contact qualified staff for assistance to eliminate the possible system leakage. If the pressure repeatedly increases to 3 bar or above, the expansion vessel pressure may need checking. Alpha Pre-Plumb 200 - Instructions For Use...
  • Page 22 Never use abrasive or powder detergents. 12.11 PERMANENT SHUTDOWN Should the system be shut down permanently, have a professional carry out the procedures, making sure that the electrical and water supply lines have been previously shut off. Alpha Pre-Plumb 200 - Instructions For Use...

  • Page 23: Programming Parameters

    See available settings and details in the relevant parameter table. A11 ............Connected heat pump model P15, P16 and P17 ........Legionella cycle settings R08 and R05 ........Heating zone temperature settings U21, U22, U23, U24, U25 and U26 ..Date and time settings Alpha Pre-Plumb 200 - Programming Parameters...
  • Page 24 0 - 23 start time Allows to set the weekday on which to activate the anti- Anti-Legionella Mo-Tu-We- P 17 Legionella function. You can activate the function activation day Th- Fr-Sa-Su continuously every day Alpha Pre-Plumb 200 - Programming Parameters...
  • Page 25 OFF: The indicator is always off ON - OFF ON: Circulator pump active displays the flow temperature, pump off displays the value set on the central heating selector OFF: Always displays the value set on the central heating selector Alpha Pre-Plumb 200 - Programming Parameters...
  • Page 26 Defines the maximum flow temperature in zone 1 room R 04 maximum 20 - 65 central heating mode central heating Zone 1 Defines the minimum flow temperature in zone 1 room R 05 minimum 20 - 65 central heating mode central heating Alpha Pre-Plumb 200 - Programming Parameters...
  • Page 27 Displays the hours of operation of the DHW integration I 13 resistance resistance (optional) hours of operation Pre-heat Activation temperature of pre-heat function (with I 02 in 14 - 25°C 20°C function AL and heater fitted) (LWT) Alpha Pre-Plumb 200 - Programming Parameters...
  • Page 28 55°C by means of heat pump operation in the absence of system requests (limited to the calculated flow temperature). In central heating mode the heat pump will operate according to the calculated flow temperature. Alpha Pre-Plumb 200 - Programming Parameters...
  • Page 29 Activating the function allows you to reduce the compressor frequency during the outdoor unit operation in the time slot set in the U 12 and U 13 parameters. Make sure the additional power sources needed to meet potential requirements that may present themselves during active operation are available (e.g. additional resistances). Alpha Pre-Plumb 200 - Programming Parameters...

  • Page 30: Parameter And Information Menus

    0 - 2000 D 78 4-way side (CL = cooling, HT = heating) HT / CL D 79 Temperature detected by the external probe of the outdoor unit - 55 to 45°C Alpha Pre-Plumb 200 - Parameter and Information Menus...
  • Page 31 Mo - Tu - We - Th - Fr - D142 Day of the week Sa - Su D143 Current day 1 - 31 D144 Current month 1 - 12 D145 Current year 0 - 99 Alpha Pre-Plumb 200 - Parameter and Information Menus...
  • Page 32 The function consists OFF - ON of the cyclic activation of the pump (100 s ON, 20 s OFF) and the 3-way valve (120 s D.H.W., 120 s heating system) Alpha Pre-Plumb 200 - Parameter and Information Menus...

  • Page 33: Maintenance And Checks

    The device’s warranty shall be rendered null and void if unapproved or unsuitable parts are used for maintenance or repairs. These will also compromise the product’s compliance, and the said product may no longer be valid and fail to meet the current regulations. in regard to the above, only use original Alpha spare parts when replacing components.
  • Page 34 Attach a hosepipe to the drain cock having sufficient length to take water to a suitable discharge point below the level of the unit. Open a hot tap close to the unit and open the drain cock to drain the unit. Alpha Pre-Plumb 200 - Maintenance and Checks...
  • Page 35 Close hot tap and then open successive hot taps in the system to purge any air. When completely full and purged, check system for leaks. The heating source (immersion heater and Heat Pump) can then be switched on. Alpha Pre-Plumb 200 - Maintenance and Checks...

  • Page 36: Fault Codes And Diagnosis

    Press the Reset button (item 1) system is free of air (deaerated) - pump blocked; free the pump - damaged flowmeter (1) If the shutdown or fault persists, contact Alpha After-Sales Technical Assistance Centre Alpha Pre-Plumb 200 - Fault Codes and Diagnosis...
  • Page 37 Interface Board An incorrect interface board configuration has been E 197 The system does not start (1) Configuration Error detected (1) If the shutdown or fault persists, contact Alpha After-Sales Technical Assistance Centre Alpha Pre-Plumb 200 - Fault Codes and Diagnosis...
  • Page 38 Replace the sensor Check the position of the sensor A251 Discharge temperature sensor error Check the relative wiring Replace the sensor (1) If the shutdown or fault persists, contact Alpha After-Sales Technical Assistance Centre Alpha Pre-Plumb 200 - Fault Codes and Diagnosis...
  • Page 39 Inverter IPM current overload error Check whether the service valve is open Check whether the installation pipes are mounted properly (1) If the shutdown or fault persists, contact Alpha After-Sales Technical Assistance Centre Alpha Pre-Plumb 200 - Fault Codes and Diagnosis...
  • Page 40 Check whether the installation pipes are mounted properly Check normal operation of the main board A590 Inverter board error Replace the main board A601 Not present (1) If the shutdown or fault persists, contact Alpha After-Sales Technical Assistance Centre Alpha Pre-Plumb 200 - Fault Codes and Diagnosis...
  • Page 41 Check indoor unit Indoor unit error A916 Not used Check indoor unit Indoor unit error A919 Not used Check indoor unit (1) If the shutdown or fault persists, contact Alpha After-Sales Technical Assistance Centre Alpha Pre-Plumb 200 - Fault Codes and Diagnosis...

  • Page 42: Wiring Diagrams

    White Yellow W Bl Br GYBl Y Bl Or Bl CH Zone 1 10 A Br G/Y CH Zone 2 (optional) Electrical panel 3.15 A ground Mains supply 230 VAC 50 HZ Fig. 17.1 Alpha Pre-Plumb 200 - Wiring Diagrams...
  • Page 43 White Yellow W Bl Br GYBl Y Bl Or Bl CH Zone 1 10 A Br G/Y CH Zone 2 (optional) Electrical panel 3.15 A ground Mains supply 230 VAC 50 HZ Fig. 17.2 Alpha Pre-Plumb 200 - Wiring Diagrams...
  • Page 44 17.3 GENERAL CONNECTIONS - HEAT PUMP AND PRE-PLUMbED CYLINDER Fig. 17.3 Alpha Pre-Plumb 200 - Wiring Diagrams...
  • Page 45 17.4 GENERAL CONNECTIONS - TWO ALPHA CONNECT RELAYS Fig. 17.4 Alpha Pre-Plumb 200 - Wiring Diagrams...
  • Page 46 17.5 GENERAL CONNECTIONS - PRE-PLUMbED CYLINDER Fig. 17.5 Alpha Pre-Plumb 200 - Wiring Diagrams...
  • Page 47 17.6 GENERAL CONNECTIONS - PRE-PLUMbED CYLINDER Fig. 17.6 Alpha Pre-Plumb 200 - Wiring Diagrams...
  • Page 48 Remove X40-1 jumper R14 39 38 T- T+ F1 F2 before connecting before connecting Zone 1 room thermostat Zone 1 room thermostat Fig. 17.7 17.8 CONNECT ONE RECEIVER Fig. 17.8 17.9 CONNECT TWO RECEIVERS Fig. 17.9 Alpha Pre-Plumb 200 - Wiring Diagrams...
  • Page 49 17.11 CONNECT SMARTECH Fig. 17.11 17.12 GENERAL CONNECTIONS - bACK UP IMMERSION HEATER AND PV INPUT 67 69 88 L L Component Identification Plant EH Plant electrical heater relay Photovoltic active input Fig. 17.12 Alpha Pre-Plumb 200 - Wiring Diagrams...
  • Page 50 During normal operation, the display shows “A0” for 1 second, followed by“30” for 1 second: SEGMENTS VALID COMMUNICATION In case of an error of the outdoor unit, a sequence of two digits at a time is displayed: “E” plus outdoor unit error code: ERROR CODES SEGMENTS E101 Alpha Pre-Plumb 200 - Wiring Diagrams...

  • Page 51: Energy Classification

    Maximum volume of mixed water at 40°C ....L 248.7 232.8 221.5 222.4 Rated volume of tank, where applicable ....L Rated heat output ...........kW 4.33 6.17 9.49 11.89 rated SCOP Seasonal coefficient of performance 2.74 2.58 2.52 2.37 Alpha Pre-Plumb 200 - Energy Classification...

  • Page 52: Benchmark Commissioning

    * All installations in England and Wales must be notified to Local Authority Building Control (LABC) either directly or through a Competent Persons Scheme. A Building Regulations Compliance Certificate will then be issued to the customer. © Heating and Hotwater Industry Council (HHIC) www.hhic.org.uk Issue date: 20.08.2020 Alpha Pre-Plumb 200 - Benchmark Commissioning...
  • Page 53 * All installations in England and Wales must be notified to Local Authority Building Control (LABC) either directly or through a Competent Persons Scheme. A Building Regulations Compliance Certificate will then be issued to the customer. © Heating and Hotwater Industry Council (HHIC) www.hhic.org.uk Issue date: 20.08.2020 Alpha Pre-Plumb 200 - Benchmark Commissioning...
  • Page 54 * All installations in England and Wales must be notified to Local Authority Building Control (LABC) either directly or through a Competent Persons Scheme. A Building Regulations Compliance Certificate will then be issued to the customer. © Heating and Hotwater Industry Council (HHIC) www.hhic.org.uk Issue date: 20.08.2020 Alpha Pre-Plumb 200 - Benchmark Commissioning...
  • Page 55 * All installations in England and Wales must be notified to Local Authority Building Control (LABC) either directly or through a Competent Persons Scheme. A Building Regulations Compliance Certificate will then be issued to the customer. © Heating and Hotwater Industry Council (HHIC) www.hhic.org.uk Issue date: 20.08.2020 Alpha Pre-Plumb 200 - Benchmark Commissioning...
  • Page 56 © Heating and Hotwater Industry Council (HHIC) www.hhic.org.uk Issue date: 20.08.2020 Part No. 1.047798 rev. ST.006834/001 These instructions have been carefully prepared but we reserve the right to alter the specification at any time in the interest of product improvement. 0623/D460 © Alpha Therm Limited 2023.

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