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3005079-2017-11-28
VEX260/270/280
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
Electrical installation guide_VEX260-270-280
Original instructions
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Related Manuals for Exhausto VEX260
Summary of Contents for Exhausto VEX260
- Page 1 Electrical installation guide_VEX260-270-280 3005079-2017-11-28 VEX260/270/280 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
3005079-2017-11-28 1. Connection diagram for supply voltage and connection box 1.1. Key to connection diagram ..................5 1.2. Connection diagram....................6 1.2.1. Wiring diagram for supply voltage and connenction box .........6 1.2.2. Termination.......................7 1.3. Cable plan.......................8 2. Installation of the VEX 2.1. - Page 3 The instructions must be fully observed to ensure personal safety and to protect the equipment and ensure its correct operation. EXHAUSTO A/S accepts no liabil- ity for accidents caused by equipment not used in accordance with the manual’s instructions and recommendations.
- Page 4 3005079-2017-11-28 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. 4/16...
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Page 5: Connection Diagram For Supply Voltage And Connection Box
Diagram explana- tion given on the Term Description Supplied by following 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
1.2 Connection diagram 1.2.1 Wiring diagram for supply voltage and connenction box VEX260-270-280, 3x400V * Not supplied by EXHAUSTO ** 120 Ω terminating resistor *** Terminal block for continuation of 24 VDC **** Only if IHCW 6/16... -
Page 7: Termination
Connection diagram for supply voltage 3005079-2017-11-28 and connection box 1.2.2 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 "Terminal board on EXact2 Main board". Then See diagram no. -
Page 8: Cable Plan
Connection diagram for supply voltage 3005079-2017-11-28 and connection box 1.3 Cable plan The cable plan below shows the accessories that can be connected in the connection box. 8/16... -
Page 9: Installation Of The Vex
Installation of the VEX 3005079-2017-11-28 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 10: Dimensioning And Electrical Installation
Installation of the VEX 3005079-2017-11-28 2.1.2 NB: The door must be kept clear. No cables or equipment of any kind may be fitted to the door 2.2 Dimensioning and electrical installation ● The supply cable must be dimensioned and installed in ac- cordance with applicable rules and regulations. - Page 11 Installation of the VEX 3005079-2017-11-28 VEX260: PFI type A breaker that breaks the circuit on registering a va- grant current with DC content (pulsating DC) in accordance with EN 61008. The circuit breakers must be marked with the following symbol:...
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Page 12: Electrical Components
Installation of the VEX 3005079-2017-11-28 Isolation switch, in- side Connect supply volt- age here! Remove the red cover when connecting 2.3 Electrical components Positioning of elec- trical components 1. Connection box 2. Rotor control ● Main fuse ● 24 V power supply ●... -
Page 13: Terminal Board On Exact2 Main Board
Installation of the VEX 3005079-2017-11-28 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 14: Connecting Shielded Cable To Modbus
Installation of the VEX 3005079-2017-11-28 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 - connec-... -
Page 15: Service - Connection Of Additional Hmi Control Panel
Installation of the VEX 3005079-2017-11-28 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 to- ductors gether...