Adey Midi 135 Installation And Servicing

Digital pressurisation unit

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Digital Pressurisation Unit
Midi 135/150/235/250
Installation and servicing

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Summary of Contents for Adey Midi 135

  • Page 1 Digital Pressurisation Unit Midi 135/150/235/250 Installation and servicing...
  • Page 2: Table Of Contents

    Guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 As a WEEE producer, ADEY Commercial Limited are obligated to finance the collection, treatment &...
  • Page 3: Checklist

    The APU Midi has a usable water volume of approximately 8 litres; the length to installation. If any damage is found contact ADEY Commercial Ltd within 24 hours of of time the APU takes to pressurise a system will be dependent on the pressure receipt.
  • Page 4: Location

    . Ensure the minimum clearance requirements are followed to allow servicing of the unit . 2 .21 Flexible hose: Only use the ADEY hoses supplied with the APU Midi . 2 .22 Isolating valves: Separate system isolating valves (non-restrictive) must be 2 .12...
  • Page 5: Key Features

    3 KEY FEATURES 4 INSTALLATION 4 .11 Fill valve flow restrictor guidelines: The side entry fill valve must be fitted 3 .11 The APU Midi comprises of the following main components:- 1 . Moulded tank – Main body of the APU, comprising of an integrated water with the correct filter and flow restrictor combination (dependant on the tank with warning pipe and weir overflow and mounting the brass pump mains water pressure) into the G ½...
  • Page 6 4 .13 Wall plate fixing: 4 .14 Floor installation: 1 . If installing the APU Midi on a wall ensure suitable fixings for the wall 1 . If installed on a floor ensure the APU Midi is located so it cannot be kicked structure are used and are suitable to support the unit when fully or knocked over .
  • Page 7: Electrical Installation

    5 ELECTRICAL INSTALLATION / EARTHING 6 . The flexible hose and any wiring can be retained in the desired position using cable ties and the two metal cable retention points on the top left 5 .11 Regulations: The electrical installation must be carried out in and right of the APU tank .
  • Page 8 5 .21 Wiring of connection unit: 5 .23 Alarm and boiler interlock connections: Circuits connected to the relays are limited to 5 Amps, 230 V a.c. maximum. The Installer MUST fit a 5 Amp fuse in the circuit to the WARNING: This appliance must be earthed.
  • Page 9: Commissioning

    If the supply cord is to be changed or is damaged, it must be replaced To set or check the expansion vessel charge pressure the lock-shield with a special cord assembly available from ADEY or one of their valve between the APU Midi and the vessel must be closed and the approved repairers .
  • Page 10 6 .15 Controller overview 6 .16 Function list & explanation The pressurisation unit controller is designed to be intuitive to use and allows The functions are contained within an initial display and 3 menus:- functions and alarms to be set by the installer/user . It also allows faults to be Setting menu (pass code protected) see Section 6 .18 .
  • Page 11 6 .19 Advanced setting menu 6 .21 Pre-set values (Pass code protected, if set) The APU will be delivered with the following pre-set values:- The following functions can be set and modified:- 6 .22 Setting menu Can be set to operate if of the following alarms activate:- Set Pressure 2 bar...
  • Page 12 . System Fill Controller info 6 .27 For further technical support: Phone the ADEY Customer Services team on display +44 (0) 1242 546 717 . Our staff are trained to help and advise you over the phone .
  • Page 13: Operation

    7 OPERATION When setting the differential pressure and the Hi and Lo alarms please ensure 7 .11 Normal operation: that the normal system pressure fluctuations are below the Hi pressure alarm set pressure and above the differential pressure . If this is not done the APU The ‘Home’...
  • Page 14: Maintenance

    (after maintainance/modification) The APU Midi is designed and built to be a reliable and high quality product, in the event of spares being required, please contact the ADEY Customer Services team on +44 (0) 1242 546 717 .
  • Page 15: Technical Specification

    29 . 4 Kg Low water to APU supply . ADEY reserve the right to amend the specification without notice . Water level set Adjust water level by turning float, ensure upper level probe is in contact too low with water when the fill valve is turned off .
  • Page 16: Product Log

    12 PRODUCT LOG Service No. 2 12 .11 Customer details Date Customer/company name Engineer name Company name Site address Tel . No System pressure bar Date Differential pressure bar Check 12 .12 Equipment details 6 months 12 months Condition of wiring ü...
  • Page 17 ü EN 62233 Float valve operation ü Level probe operation Technical documentation is kept at the following address: ADEY Commercial Limited, ü UK Head Office, Gloucester Road, Cheltenham, GL51 8NR, United Kingdom . Water condition ü Exp . vessel pre-charge ü...
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  • Page 19 Produced from recycled material A carbon neutral company All ADEY marks are trademarks of Adey Holdings (2008) Limited . Please visit adey .com/trademarks for a list of ADEY marks Copyright Adey Holdings (2008) Limited © 2019 . All rights reserved .

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