Exhausto VEX320C Installation Manual Download Page 14 | Manualshive

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2.4 VEX330H, electrical components

Positioning of elec-
trical components

The drawing below shows the position of bypass damper motor, motor control and
airflow control

Supply air

Exhaust air

Extract air

Outdoor air

BP1

MPT1

MPT3

MC2

MC1

MPT2

RD1

31

80

GB-

01

Component

Explanation

BP1

Bypass damper motor

MC1

Motor control, extract/exhaust air motor

MC2

Motor control, outdoor/supply air motor

MPT1

AFC (airflow control)

MPT2

MPTF (pressure drop over filter)

MPT3

DEP (Ice detection in case of pressure drop over counter flow heat
exchanger)

3004224-2014-09-03

Installation of the VEX

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Summary of Contents for VEX320C

Page 1: ...330H with EXact2 control system ON Electrical installation Chapter 1 2 Original instructions 3004224 2014 09 03 VEX320 330_EXact2 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 ...

Page 2: ...2 Dimensioning and electrical installation 10 2 2 1 Installation requirements and recommendations 10 Electrical wiring 10 2 3 VEX300C electrical components 12 2 3 1 VEX300C components in connection box 13 2 4 VEX330H electrical components 14 2 4 1 VEX330H components in connection box 15 2 5 EXact2 main board 16 2 5 1 Terminal board on EXact2 main board 16 2 5 2 Connecting shielded cable to MODBUS ...

Page 3: ...nal safety and to protect the equipment and ensure its correct operation EXHAUSTO A S accepts no liability for accidents caused by equipment not used in accordance with the manual s instruc tions and recommendations Warnings The work must be performed by an authorised electrician in ac cordance with locally applicable regulations and legislation Warnings Opening the unit Do not open the service do...

Page 4: ...NB Always have the production number ready when contacting EXHAUSTO A S 3004224 2014 09 03 4 20 ...

Page 5: ...electric heating coil if fitted EXHAUSTO F1 Distribution board fuses Customer Q1 Distribution board group switch Customer Q2 Connection box isolation switch EXHAUSTO Further info See also EXact2 main board section for more information on components which can be connected NB Other parts shown on the front page of the VEX instructions are supplied by EX HAUSTO Accessories See instructions for the re...

Page 6: ...1 1 1 Connection diagram for supply voltage and connection box not EXHAUSTO delivery 120 Ω resistance to termination 3004224 2014 09 03 Connection diagram for supply voltage and connection box 6 20 ...

Page 7: ...Then See diagram no HMI is the only device on the bus bus connector optional the jumper must be connected to JP2 which applies a resist ance of 120 Ω 1 both buses are used the jumper must not be con nected 2 the bus connectors are not used the jumper must be connected to JP2 as per diagram 1 which applies a 120 Ω resistance 1 1 2 3004224 2014 09 03 Connection diagram for supply voltage and connect...

Page 8: ...1 2 Cable plan The cable plan below shows the accessories that can be connected in the connection box 3004224 2014 09 03 Connection diagram for supply voltage and connection box 8 20 ...

Page 9: ...or heating coil water heating coil MHCW module via modbus 1 on termination and instructions for water heating coil HCW Control box for heating coil electric heating coil MHCE2 module via modbus 1 on termination and instructions for elec tric heating coil HCE Control system for external cooling unit MXCU 1 on termination and instructions for MXCU module External start below Closing damper in exhaus...

Page 10: ...perature and cable duct layout must be taken into consideration Earth leak circuit breaker The unit must be protected against indirect contact If current earth leak circuit breakers are fitted in the installation they must be of a type that meets the following requirements PFI type A breaker that breaks the circuit when a vagrant current with DC content pulsating DC in accordance with EN 61008 The...

Page 11: ...e circulation pump may be connected to EXact2 main board The circulation pump may not draw more than 2 0 A and its cable must be dimensions for a 13 A fuse Equalising connec tions Equalising connections must be established between the VEX and HCE type accessories Isolation switch in side Connect supply volt age here Remove the red cover when connecting 3004224 2014 09 03 Installation of the VEX 11...

Page 12: ...y air Extract air Exhaust air Outdoor air MPT1 MPT2 MPT3 RD13179GB 01 Component Explanation BP1 Bypass damper motor MC1 Motor control extract exhaust air motor MC2 Motor control outdoor supply air motor MPT1 AFC airflow control MPT2 MPTF pressure drop over filter MPT3 DEP Ice detection in case of pressure drop over counter flow heat exchanger 3004224 2014 09 03 Installation of the VEX 12 20 ...

Page 13: ...ction box Components Pos Component A Terminal board B EMC filter C Power supply D MPT1 AFC E MPT2 MPTF F EXact2 main board PCB G Cable to HMI H MPT3 DEP I Bypass motor J Isolation switch 3004224 2014 09 03 Installation of the VEX 13 20 ...

Page 14: ...r Extract air Outdoor air BP1 MPT1 MPT3 MC2 MC1 MPT2 RD13180GB 01 Component Explanation BP1 Bypass damper motor MC1 Motor control extract exhaust air motor MC2 Motor control outdoor supply air motor MPT1 AFC airflow control MPT2 MPTF pressure drop over filter MPT3 DEP Ice detection in case of pressure drop over counter flow heat exchanger 3004224 2014 09 03 Installation of the VEX 14 20 ...

Page 15: ...EX330H components in connection box Components Pos Component A Terminal board B Isolation switch C EMC filter D Power supply E EXact2 main board F Cable to HMI 3004224 2014 09 03 Installation of the VEX 15 20 ...

Page 16: ...IHCW which can be used for controlling the HCW coil See also the HCW instructions Fire 20 21 BT40 BT50 BT70 Smoke detector or other fire detection switch AUX IN 22 23 Same function as Fire EXT start 24 25 If this is connected the device can be started If this is interrupted the unit will stop LSA 26 28 LS exhaust air closing damper LSAR exhaust air closing damper with spring return LSF 29 31 LS ou...

Page 17: ...nnection of extra HMI control panel Jumper JP1 Option for termination internal BUS JP2 Termination option external BUS see section 1 JP3 BP2 M1 Configuration BP2 M1 motor size 1 PWM motor size 2 REL Set at the factory JP4 BP3 M2 Configuration BP3 M2 motor size 1 PWM motor size 2 REL Set at the factory Web server accessory Web server CN2 Ethernet Web server CN3 Connection of BMS Web server JP2 To b...

Page 18: ...terminals as possible Max distance from twists to terminal board 1 5 cm E Screen 1 Strip insulation from screen from point ahead of cable clamp F 2 Mount the clamp to enclose the screen and hold the cable in place F 3 Take some of the cable screen and run it into the terminal board together with the 0V con ductor G 2 5 3 Service connection of additional HMI control panel An additional HMI control ...

Page 19: ...3004224 2014 09 03 19 20 ...

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