Exhausto VEX 200 Series Original Instructions Manual
Electrical installation guide for exact2 control system
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Also See for VEX 200 Series:
- Basic instructions (100 pages) ,
- Mechanical assembly (32 pages) ,
- Mechanical installation instructions (32 pages)
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3005071-2015-02-06
VEX240/250
Electrical installation guide
for EXact2 control system
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.com
VEX240-250H
Original instructions
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Table of Contents
Related Manuals for Exhausto VEX 200 Series
Summary of Contents for Exhausto VEX 200 Series
- Page 1 VEX240-250H 3005071-2015-02-06 VEX240/250 Electrical installation guide for EXact2 control system 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 www.exhausto.com...
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Page 2: Table Of Contents
3005071-2015-02-06 1. Connection diagram for supply voltage and connection box 1.1. Key to connection diagram ..................5 1.2. Connection diagram....................6 VEX240, 1x230V ......................6 VEX250, 3x400V.......................7 1.2.3. Termination......................8 1.3. Cable plan.......................9 2. Installation of the VEX 2.1. Installation......................10 2.1.1. Connections in the connection box..............10 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 3005071-2015-02-06 Rating plate The VEX unit rating plate shows: ● VEX unit, type (1) ● production number (2) Always have the production number ready when contacting EXHAUSTO A/S. 4/20...
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Page 5: Connection Diagram For Supply Voltage And Connection Box
Diagram explana- tion given on the fol- Term Description Supplied by lowing page Connection box EXHAUSTO Connection box for heating coil/cooling unit EXHAUSTO Connection box for electric heating coil (if fitted) EXHAUSTO Distribution board fuses Customer Distribution board group switch... -
Page 6: Connection Diagram
Connection diagram for supply voltage 3005071-2015-02-06 and connection box 1.2 Connection diagram VEX240, 1x230V * Not supplied by EXHAUSTO 6/20... -
Page 7: Vex250, 3X400V
Connection diagram for supply voltage 3005071-2015-02-06 and connection box ** 120 Ω terminating resistor *** Terminal block for continuation of 24 VDC **** Only if IHCW VEX250, 3x400V * Not supplied by EXHAUSTO ** 120 Ω terminating resistor 7/20... -
Page 8: Termination
Connection diagram for supply voltage 3005071-2015-02-06 and connection box *** Terminal block for continuation of 24 VDC **** Only if IHCW 1.2.3 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 AHUC in section "Terminal board on EXact2 Main board". -
Page 9: Cable Plan
Connection diagram for supply voltage 3005071-2015-02-06 and connection box 1.3 Cable plan The cable plan below shows the accessories that can be connected in the connection box. 9/20... -
Page 10: Installation Of The Vex
Installation of the VEX 3005071-2015-02-06 2. Installation of the VEX 2.1 Installation VEX unit The electrical installation for the air handling unit comprises the following connec- tions: Connection to VEX unit: ● Connection box ● Optional electrical heating coil HCE ●... -
Page 11: Dimensionering Og El-Installation
Installation of the VEX 3005071-2015-02-06 2.2 Dimensionering og el-installation ● The supply cable must be dimensioned and installed in ac- cordance with applicable rules and regulations. ● The earth terminal (PE) must always be connected. Diagram The supply voltage must be connected to the isolation switch as shown in the dia- gram in the section “Connection diagram for supply voltage and connection box”. - Page 12 Installation of the VEX 3005071-2015-02-06 VEX type Voltage Dimensioned Dimensioned power consump- max. neutral cur- tion rent (max. phase cur- rent) VEX250 3x400V+N+PE 11.2A Short-circuit current Maximum short circuit current (lcu), in accordance with EN60947.2 is 10 kA. Accessories Accessories of type MHCW, MHCE2 and MXCU do not require separate supply cables and can be directly connected to the VEX control system box.
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Page 13: Electrical Components
Installation of the VEX 3005071-2015-02-06 2.3 Electrical components Positioning of elec- trical components 1. Connection box 2. Rotor control ● Main fuse ● 24 V power supply ● Control fuses ● Isolation switch 13/20... -
Page 14: Terminal Board On Exact2 Main Board
Installation of the VEX 3005071-2015-02-06 2.3.1 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 5 - 8 Bus for external parts... -
Page 15: Connecting Shielded Cable To Modbus
Installation of the VEX 3005071-2015-02-06 Component Terminal board Description connection Light/CP 37 - 38 Light or circulation pump (if IHCW has been selected, the CP function is activated) For service use DI SPARE TIMERBUTTON2/TIMERBUTTONEU2 AI SPARE CO2B/RHB 24 V supply for MLON/MTCP Service HMI Service HMI Plug for connecting extra HMI panel, see section "Servicing - connection of... -
Page 16: Service - Connection Of Additional Hmi Control Panel
Installation of the VEX 3005071-2015-02-06 Connection Wires and screen must be connected as shown in the table below Wires Action Conductors Strip minimum amount of insulation from con- Symbol: ductors and ensure they are not damaged/ Twinned snapped pair con- Twist 0V conductor and 24V conductor togeth- ductors Twist conductor A and conductor B together... - Page 17 3005071-2015-02-06 17/20...
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