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3004224-2014-09-03
Electrical installation guide
for VEX320C/330C/330H with EXact2 control system
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
VEX320-330_EXact2
Original instructions
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Summary of Contents for Exhausto VEX320C
- Page 1 VEX320-330_EXact2 3004224-2014-09-03 Electrical installation guide for VEX320C/330C/330H with 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.dk...
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Page 2: Table Of Contents
3004224-2014-09-03 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 3004224-2014-09-03 Always have the production number ready when contacting EXHAUSTO A/ 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 electric heating coil (if fitted) EXHAUSTO Distribution board fuses Customer Distribution board group switch Customer Connection box isolation switch EXHAUSTO Further info See also "EXact2 main board"... -
Page 6: Connection Diagram For Supply Voltage And Connection Box
Connection diagram for supply voltage 3004224-2014-09-03 and connection box 1.1.1 Connection diagram for supply voltage and connection box * not EXHAUSTO delivery ** 120 Ω resistance to termination 6/20... -
Page 7: Termination
Connection diagram for supply voltage 3004224-2014-09-03 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 AHUC in section "Termi- nal board on EXact2 Main board". Then See diagram no. -
Page 8: Cable Plan
Connection diagram for supply voltage 3004224-2014-09-03 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 3004224-2014-09-03 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 ● HCE heating coil (electric) (if any) ●... -
Page 10: Dimensioning And Electrical Installation
Electrical wiring VEX type Motor Voltage Dimensioned power con- sumption VEX320C/330C/330H 1 x 230 V + N + PE 3.1 A VEX320C/330C/330H 1 x 230 V + N + PE 5.3 A Short-circuit current Maximum short circuit current (lcu), in accordance with EN60947.2 is 10 kA. - Page 11 Installation of the VEX 3004224-2014-09-03 Accessories Accessories of type MHCW, MHCE2 and MXCU must be connected to the external bus of the VEX and be separately powered. Circulation pump If the HCW coil is connected directly to AHUC (IHCW), the circulation pump may (IHCW) be connected to EXact2 main board.
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Page 12: Vex300C, Electrical Components
Installation of the VEX 3004224-2014-09-03 2.3 VEX300C, electrical components Positioning of elec- The drawing below shows the location of bypass damper motor, motor control and trical components flow and pressure meters. Exhaust air Supply air Outdoor air Extract air MPT1 MPT2 MPT3 Component... -
Page 13: Vex300C, Components In Connection Box
Installation of the VEX 3004224-2014-09-03 2.3.1 VEX300C, components in connection box Components Pos. Component Terminal board EMC filter Power supply MPT1 (AFC) MPT2 (MPTF) EXact2 main board PCB Cable to HMI MPT3 (DEP) Bypass motor Isolation switch 13/20... -
Page 14: Vex330H, Electrical Components
Installation of the VEX 3004224-2014-09-03 2.4 VEX330H, electrical components Positioning of elec- The drawing below shows the position of bypass damper motor, motor control and trical components airflow control MPT1 MPT3 Extract air Supply air MPT2 Exhaust air Outdoor air Component Explanation Bypass damper motor... -
Page 15: Vex330H, Components In Connection Box
Installation of the VEX 3004224-2014-09-03 2.4.1 VEX330H, components in connection box Components Pos. Component Terminal board Isolation switch EMC filter Power supply EXact2 main board Cable to HMI 15/20... -
Page 16: Exact2 Main Board
Installation of the VEX 3004224-2014-09-03 2.5 EXact2 main board 2.5.1 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 3004224-2014-09-03 Component Terminal board Description connection AUX OUT 35 - 36 Fire alarm out for controlling smoke evacuation damper or combustion gas fan. Light/CP 37 - 38 Light or circulation pump (if IHCW has been selected, the CP function is activated) For service use DI SPARE... -
Page 18: Service - Connection Of Additional Hmi Control Panel
Installation of the VEX 3004224-2014-09-03 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 19 3004224-2014-09-03 19/20...
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