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3004518-2014-08-27
Guide to Electrical Installation of
VEX140H-V-C with water 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
VEX140_HCW_EXact2
Original instructions
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Table of Contents
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Summary of Contents for Exhausto VEX140H-V-C
- Page 1 VEX140_HCW_EXact2 3004518-2014-08-27 Guide to Electrical Installation of VEX140H-V-C with water 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...
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Page 2: Table Of Contents
3004518-2014-08-27 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: ●...
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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 3004518-2014-08-27 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 3004518-2014-08-27 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 3004518-2014-08-27 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 3004518-2014-08-27 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 3004518-2014-08-27 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 Components
Installation of the VEX 3004518-2014-08-27 Accessories Accessory types CCW and XCU do not require separate supply cables and can be directly connected to the VEX control system box. Terminals (U1, N) ...may only be used with the above mentioned accessories, and can have a 2.0 A maximum load. - Page 12 Installation of the VEX 3004518-2014-08-27 VEX140HL Tice MPT3 MPT2 Outdoor air Exhaust air MPT1 TE1.2 TE2.1 TE-RPT Supply air Extract air TE2.2 TE1.1 VEX140VL TE2.2 TE-RPT TE1.2 Supply air Exhaust air MPT1 Tice Extract air Outdoor air MPT3 TE1.1 TE2.1 MPT2 12/20...
- Page 13 Installation of the VEX 3004518-2014-08-27 VEX140CL Tice MPT1 MPT3 MPT2 Outdoor air Exhaust air TE1.2 TE2.1 TE-RPT Supply air Extract air TE2.2 TE1.1 Component Description 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)
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Page 14: Control Fuses Integrated In Vex140 With Water Heating Coil
Installation of the VEX 3004518-2014-08-27 2.3.1 Control fuses integrated in VEX140 with water heating coil Voltage[V] Fuse for control Fuse for MC1 Fuse for MC2 Total number of system (1x230V) 2 (1x230V) 2 pole (1x230V) 2 pole fuses pole 1 x 230 V+N+PE C-10A C-10A C-10A... -
Page 15: Exact2 Main Board
Installation of the VEX 3004518-2014-08-27 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 16: Connecting Shielded Cable To Modbus
Installation of the VEX 3004518-2014-08-27 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 17: Service - Connection Of Additional Hmi Control Panel
Installation of the VEX 3004518-2014-08-27 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 18 3004518-2014-08-27 18/20...
- Page 19 3004518-2014-08-27 19/20...
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