Exhausto VEX100CF Series Installation Manual

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3005760-2017-05-03
Guide to Electrical Installation of
VEX150-170 CF with heating coil and EXact2
ON
Electrical installation........................................Chapter 1 + 2
EXHAUSTO A/S
Odensevej 76
DK-5550 Langeskov
Tel.: +45 65 66 12 34
Fax: +45 65 66 11 10
exhausto@exhausto.dk
www.exhausto.dk
VEX150-170CF-EXact2
VEX100 CF
Original instructions

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Summary of Contents for Exhausto VEX100CF Series

  • Page 1 Guide to Electrical Installation of VEX100 CF VEX150-170 CF with heating coil and EXact2 Electrical installation........Chapter 1 + 2 Original instructions EXHAUSTO A/S Tel.: +45 65 66 12 34 Odensevej 76 Fax: +45 65 66 11 10 DK-5550 Langeskov exhausto@exhausto.dk...
  • Page 2: Table Of Contents

    3005760-2017-05-03 1. Connection diagram for supply voltage and connection box 1.1. Connection diagram .....................5 1.1.1. Connection diagram for supply voltage and connection box......6 1.1.2. Termination......................7 1.2. Cable plan.......................8 2. Installation of the VEX 2.1. Scope of installation....................9 2.1.1. Connections in the connection box..............9 2.2.
  • Page 3 Scope These instructions apply to the EXHAUSTO EXact2 control system. Please refer to the product instructions regarding accessories and extra equipment. The instructions must be fully observed to ensure personal safety and to protect the equipment and ensure its correct operation.
  • Page 4 The VEX unit rating plate shows: ● VEX unit, type (1) ● production number (2) Always have the production number ready when contacting EXHAUSTO A/S. Lock the air han- The VEX unit must always be locked dling unit during op- during operation: ●...
  • Page 5: Connection Diagram For Supply Voltage And Connection Box

    HMI display panel and various accessories that can be connected at the connection box. Key to diagram on the following page Designation Description Supplied by Connection box EXHAUSTO MCCW, MXCU EXHAUSTO Distribution board fuses Customer Connection box control fuses EXHAUSTO Distribution board group switch...
  • Page 6: Connection Diagram For Supply Voltage And Connection Box

    Connection diagram for supply voltage 3005760-2017-05-03 and connection box 1.1.1 Connection diagram for supply voltage and connection box * Not supplied by EXHAUSTO ** 120 Ω terminating resistor 6/20...
  • Page 7: Termination

    Connection diagram for supply voltage 3005760-2017-05-03 and connection box 1.1.2 Termination The first and last devices on the bus must be terminated. The diagrams below show two termination examples. See position of jumper JP2 on EXact2 Main Board in section “Terminal board on EXact2 Main Board”. Then See diagram no.
  • Page 8: Cable Plan

    Connection diagram for supply voltage 3005760-2017-05-03 and connection box 1.2 Cable plan The cable plan below shows the accessories that can be connected in the connection box. 8/20...
  • Page 9: Installation Of The Vex

    Installation of the VEX 3005760-2017-05-03 2. Installation of the VEX 2.1 Scope of installation VEX unit The electrical installation for the VEX unit comprises the following connections: Connection to VEX unit: ● Connection box ● MXCU module for external cooling coil (if any) ●...
  • Page 10: Installation Requirements And Recommendations

    Installation of the VEX 3005760-2017-05-03 Diagram The supply voltage must be connected to the isolation switch as shown in the dia- gram in section 1. 2.2.1 Installation requirements and recommendations Isolation switch and An isolation switch and control fuses have been integrated in the unit. The control control fuses fuses protect internal electrical components from overload and short-circuiting.
  • Page 11: Electrical Connections

    Installation of the VEX 3005760-2017-05-03 2.2.2 Electrical connections VEX type Voltage[V] Dimensioned power con- Max. neutral current [A] sumption [A] (max. phase current) VEX150H/150V 3 x 400 V+ N+ PE ~ 50Hz VEX160H/160V 3 x 400 V+ N+ PE ~ 50Hz 15,5 23,5 VEX170...
  • Page 12: Electrical Components

    Installation of the VEX 3005760-2017-05-03 2.3 Electrical components Positioning of elec- The drawings below show the location of bypass damper motor, motor control, tem- trical components perature sensors and other components. VEX150-160CF VL TE2.2 TE-RPT TE1.2 Supply air Exhaust air MPT1 Tice Extract air...
  • Page 13: Control Fuses Integrated In Vex 150-160-170 With Water Heating Coil

    Installation of the VEX 3005760-2017-05-03 Component Explanation Extract air motor Supply air motor Bypass damper motor 1 Motor control, extract air/exhaust air motor Motor control, outdoor air/supply air motor MPT1 AFC (airflow control) MPT2 MPTF (pressure drop across filter) MPT3 DEP (Ice detection in case of pressure drop across counterflow heat exchanger) TE1.1...
  • Page 14: Components In The Connection Box

    Installation of the VEX 3005760-2017-05-03 2.3.2 Components in the connection box VEX150-160 Left Right Pos. Component Isolation switch Terminal row Control fuses Power Supply EXact2 main board 14/20...
  • Page 15 Installation of the VEX 3005760-2017-05-03 VEX170 Left Right Pos. Component Isolation switch Terminal row Control fuses Power Supply EXact2 main board 15/20...
  • Page 16: Exact2 Main Board

    Installation of the VEX 3005760-2017-05-03 2.4 EXact2 main board 2.4.1 Terminal board on Exact2 main board The layout drawing below gives an overview of components (standard + accessory) that can be connected to the terminal blocks. Component Terminal board Description connection 1 - 4 Bus for external parts...
  • Page 17: Connecting Shielded Cable To Modbus

    Installation of the VEX 3005760-2017-05-03 Component Terminal board Description connection Light/CP 37 - 38 Circulation pump For service use DI SPARE TIMERBUTTON2/TIMERBUTTONEU2 AI SPARE CO2/RH 24 V supply for MLON/MTCP Service HMI Service HMI Plug for connecting extra HMI panel, see section "Servicing - connection of extra HMI control panel".
  • Page 18: Service - Connection Of Additional Hmi Control Panel

    Installation of the VEX 3005760-2017-05-03 Connection Wires and screen must be connected as shown in the table below Wire Action Wires Carefully strip the wires - as little as possible Symbol: and ensure they do not become damaged/bro- Twisted pair Twist 0 V and 24 V wires together as a twisted pair Twist A and B wires together as twisted pair...
  • Page 19 3005760-2017-05-03 19/20...

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Vex150-170 cf

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