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EnergAir metacentre DX Box Technical Manual

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MANY0702A.GB – Metacentre DX Box Technical Manual
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Summary of Contents for EnergAir metacentre DX Box

  • Page 1 MANY0702A.GB – Metacentre DX Box Technical Manual DX Box...
  • Page 2 Metacentre DX Box Index 1.0 Safety Precautions Installation Operational Maintenance and Repair 2.0 Introduction Management System Connectivity Basic Function Operation 3.0 Installation Guidelines Location Power Supply RS485 Connection Compressor Interface PCB System Pressure Sensor Delivery Pressure Sensor (Option) Auxiliary Fault Inputs (Option) Remote Output (Option) 4.0 Commissioning...

  • Page 3: Safety Precautions

    Technical Manual The product must only be operated at the supply 1. Safety Precautions voltage and frequency for which it is designed. When mains power is switched on, lethal voltages ALWAYS EMPLOY SAFE WORKING are present in the electrical circuits and extreme PRACTISE AND PROCEDURES caution must be exercised whenever it is necessary to carry out any work on the unit.
  • Page 4 Metacentre DX Box 2. INTRODUCTION Any number of DX Boxes can be connected to The DX Box is designed to connect two an system management unit as long as the load/unload air compressors to a system total number of single compressors and/or...
  • Page 5 Technical Manual 2.3.2 Automatic Mode (Ar) The DX Box ‘group’ unit should be set as a variable output unit on the management system. The management system will fully utilise the variable output capacity capability of the DX Box ‘group’ and report the percentage of utilisation of the ‘group’...

  • Page 6: Installation

    Metacentre DX Box 3. Installation 3.1 Guidelines RS485 It is recommended that installation and commissioning be carried out by an authorised Note: Polarity is important. and trained product supplier. RS485 data communications and other 3.2 Location low voltage signals can be subject to electrical interference.
  • Page 7 Technical Manual The ‘i-PCB’ of the second compressor (#2 or 3.5 Compressor Interface PCB ‘b’) to be connected to the DX Box must be An ‘i-PCB’ is designed for connection to an DX connected to the six terminals dedicated for Box controller using a six-wire (earth shielded) compressor reference #2.
  • Page 8 Metacentre DX Box 3.5.1 Input Functions Ready Input, Alternative Connection Method: The ‘i-PCB’ is fitted with a six-pin terminal C04 In instances where a convenient voltage signal for compressor monitoring. The ‘i-PCB’ uses for a compressor ready condition is not two inputs (Ready and Run) to determine available the ‘Ready’...
  • Page 9 Technical Manual Run Input: Note: The ‘i-PCB’ input common terminal must always be connected to the neutral, MAIN (LINE) CONTACTOR common or 0V line of the applied input voltage. Alarm Input: The ‘i-PCB’ is equipped with an alarm (or warning) input that can be used to detect alarm or warning conditions.
  • Page 10 Metacentre DX Box 3.5.2 Output Functions Note: The local pressure settings of all compressors in the system should be set in a The DX Box will control the ‘i-PCB’ cascaded manner such that the system will load/unload relay outputs in accordance with...
  • Page 11 Technical Manual Remote Load/Unload Regulation: For Example: If the compressor controller ‘Local/Remote Pressure Control’ input is a normally open For air compressors controllers fitted with type; Remote when closed, but the ‘Remote ‘Remote/Local Pressure Regulation’ digital Load’ input is a normally closed type; load inputs, a 4-pin connector C01 has been when open, the ‘i-PCB’...
  • Page 12 Metacentre DX Box 3.5.3 Service Maintenance Switch: (Optional) The ‘i-PCB’ is equipped with a volt-free input (terminal C05) that can be used to remove the compressor from DX Box control without generating a fault condition during maintenance or servicing periods. The DX Box ‘group’...
  • Page 13 Technical Manual 3.6 System Pressure Sensor 3.7 Delivery Pressure Sensor (optional) The ‘Compressor Delivery’ pressure option Required for DX Box operation. can provide local over-pressure protection and air treatment differential monitoring. A pressure sensor input is available for monitoring local ‘system’ or ‘dry-side’ pressure downstream of local air treatment or other potential restrictions to air flow.
  • Page 14 Metacentre DX Box 3.8 Auxiliary Fault Inputs (Option) 3.9 Remote Output (Option) The DX Box is equipped with two auxiliary Remote Output R4 ‘Fault’ inputs, one dedicated to each compressor. The input(s) can be used to The DX Box is equipped with a remote relay detect a compressor ‘Alarm’...
  • Page 15 Technical Manual 4. COMMISSIONING 4.2 System Management Unit 4.1 Commissioning Procedure Ensure the connection type for the DX Box Carry out the following procedures before ‘group’ is defined as “I-485” (RS485 network attempting to apply power and start. communication) in the system management unit configuration.
  • Page 16 Metacentre DX Box Access Code: 4.3 Menu Navigation Display Item Structure: Access to page list displays higher than page ‘P00’ is restricted by access code. To access All value, parameter or option selection menu mode pages press UP and DOWN displays are grouped into menu lists.
  • Page 17 Technical Manual Press ESCAPE at any time in menu mode to step backwards one stage in the navigation process. Pressing ESCAPE when the page number is flashing will exit menu mode and return the display to normal operational mode; page ‘P00’. Page 1 Page 0 Page 2...
  • Page 18 Metacentre DX Box 4.4 Menu Items and Settings 4.4.1 Menu 1 – Compressor #1 Menu 1 – Comp #1 Settings Pc Comp #1 Percent Capacity Menu items for compressor #1 D3 ‘i-PCB’ Alarm Input 0V/+V (Di3) D6 Auxiliary Input (Di6) Pc: Percent Capacity Menu 2 –...
  • Page 19 Technical Manual 4.4.2 Menu 2 – Compressor #2 4.4.3 Menu 3 – Configuration Menu items for compressor #2 DX Box configuration items. Pc: Percent Capacity Ad: Network Address Set to the percentage output compared to the DX Box network address; must be set to the total output of the DX Box ‘group’.
  • Page 20 Metacentre DX Box Example % Control Functions: R4: Auxiliary Output Function Selects the function of the auxiliary relay 50:50% Control contact output R4. 100.0 Fno: Compressor Fault N/O 90.0 ‘x’ Energised if a compressor Alarm or Trip fault is detected.
  • Page 21 Technical Manual 4.4.5 Menu 5 – System Pressure Sensor Pr: Pressure Range Calibration The value can be adjusted for any sensor The (Ps) ‘System Pressure Sensor’ is a range between 1.0bar (15psi) and 630bar requirement of DX Box operation and must be (9135psi).
  • Page 22 Metacentre DX Box For example: if the sensor is a –1.0bar (minus PL: Pressure Limit 1.0bar) to 15bar type then: When pressure detection is enabled, and the pressure sensor used to detected compressor Offset = -1.0bar Range = 15.0bar delivery, or ‘wet-side’ pressure, this function can be implemented.
  • Page 23 Technical Manual If the set ‘pressure limit’ is exceeded the compressor will be unloaded, regardless of remote load command. The compressor will be inhibited from loading again until the detected pressure has reduced below the set limit, and remains below the set limit, for longer than 10 seconds.
  • Page 24 Metacentre DX Box Relay Outputs: Diagnostics Each relay output can be energised and de- energised manually by selecting the item. Use The DX Box controller is equipped with PLUS and MINUS to adjust ‘on’ (1) or ‘off (0) comprehensive diagnostic functions. Each and then ENTER.

  • Page 25: Operation

    Technical Manual When viewing the status or pressure 5. OPERATION information for a compressor the ‘network address’ and DX Box identification will be show on the upper display (for example, “C.03.1” indicates that the compressor is connected to the DX Box as compressor #1 and the DX Box is represented on the system management unit as compressor number “03”).
  • Page 26 Metacentre DX Box Compressor Status: 5.6 Operation Compressor Running The DX Box is always active (started) and Compressor On Load cannot be stopped. The DX Box will Flashing - Not Responding, Compressor automatically switch between ‘Remote’, when Not Running When required to load.
  • Page 27 Technical Manual 5.10 DX Box Fault The DX Box has two ‘shutdown’ fault conditions: E:0821 Short Circuit Condition Detected, check all DX Box controller inputs and outputs. E:0115 System Pressure Sensor Fault. If one of these fault conditions occur the DX Box will switch ‘off.

  • Page 28: Parts List

    Metacentre DX Box 6.0 Parts List Metacentre DX Box Item Part No. Description Y07ENER10.00 Unit, DX Box Y07CM14.00 Manual, User CD Y07CM20.00 Controller, S1 DX Y05CM31.00 Unit, XPM-TAC24 KPY0617.00C PCB, Terminal EX Y07CM49.00 Gland, Set - Pg13.5 Required For Each Compressor: AirMaster S1 Item Part No.

  • Page 29: Wiring Diagram

    Technical Manual 8.0 Wiring Diagram C001 +VDC C002 C009 Multi485 C003 C010 +VDC C004 Multi485 C005 +VDC C006 C007 C007 not used A-GND C008 C008 4-20mA C006 C009 System Press. C005 C010 4-20mA C004 Pressure #2 C003 C011 C002 4-20mA C012 Pressure #1 C001...
  • Page 30 Metacentre DX Box XPM-TAC24 BLUE BLACK BROWN ORANGE WHITE GREEN VIOLET T3.15A T1.6A T1.6A T1.0A VOLTAGE SELECT 230V +-10% 230V 115V 115V +-10% T1.0A 5x20mm 24Vac/2 24Vac/1 N L E earthed isolated Page 29...
  • Page 31 Technical Manual DX Commissioning Form Customer Contact Customer Ref: Phone Internal Ref: Installation/Site Commission Date Ser No. Commission Engineer Software Comp #1 Manufacturer Comp #1 Model/Type /min Comp #1 Working Pressure bar/psi VA Hz Comp #1 Full Load Capacity /min Comp #2 Manufacturer Comp #2 Model/Type /min...