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4. Electrical installation

4.1 Electrical installation

See the attached instructions "Guide to Electrical Installation of VEX140H/140V/140C
with EXact2 control system":

Guide to Electrical Installation of

VEX140H-V-C with water
heating coil and EXact2

ON

Electrical installation........................................Chapter 1 + 2

Original instructions

3004518-2013-02-07

VEX140_HCW_EXact2

EXHAUSTO A/S

Odensevej 76
DK-5550 Langeskov

Tel. +45 65 66 12 34
Fax +45 65 66 11 10
[email protected]
www.exhausto.dk

3004513-2016-01-14

Electrical installation

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Summary of Contents for VEX140

Page 1: ...alue Closing damper LS315 24 LSA exhaust Closing damper LS315 24 LSF outdoor Closing damper LSR315 24 with spring return LSAR exhaust Closing damper LSR315 24 with spring return LSFR outdoor pieces Fi...

Page 2: ...1 Mounting on ceiling 17 3 2 2 Transport protection motor section 18 3 2 3 Removal of crossflow heat exchanger 18 3 3 Condensation outlet 19 3 4 Water heating coil 19 3 4 1 Principles for connecting...

Page 3: ...6 3 Water heating system 32 6 3 1 MVM motor valve 32 6 4 Capacity diagram 33 6 5 Ordering spare parts 33 6 6 Environmental declaration 33 3004513 2016 01 14 3 36...

Page 4: ...rect operation EXHAUSTO A S accepts no liability for accidents caused by equipment not used in accordance with the manual s instruc tions and recommendations Supply air extract air This instruction ma...

Page 5: ...he spigots with a maximum mesh width of 20 mm The service door must be opened with care in case items have worked loose dur ing operation which could fall out of the VEX Always check that the safety c...

Page 6: ...Standard LS A LS A R Closing damper exhaust air Accessories BP1 Bypass damper Standard M1 Extract air motor Standard M2 Supply air motor Standard MC1 Motor controller motor 1 Standard MC2 Motor contr...

Page 7: ...to be used to transport solid particles or in areas where there is a risk of explosive gases 1 3 Location requirements Positioning The unit is designed for indoor fitting 1 3 1 Space requirements The...

Page 8: ...y after the unit because the airflow in the spigot has a uniformly moderate speed profile which results in negligible system pressure loss Insulation The duct system must be insulated against condensa...

Page 9: ...34 02 18 25 26 Left 22 19 6 RD10235 02 1 1 A 2 1 A 1 2 A 2 2 A 1 2 4 5 7 8 9 12 16 17 20 21 22 23 10 3 6 11 13 14 15 18 24 26 25 19 Right Pos Part Function 1 Spigot 2 1 A Outdoor air spigot The spigot...

Page 10: ...accessory 17 Spigot 1 2 A Exhaust air spigot The spigot can also be positioned on the top of the unit 1 2 B 18 MPT1 AFC Airflow control accessory 19 Isolation switch Connects disconnects current 20 C...

Page 11: ...532 275 494 616 716 24 O 315 O 315 2 1 A 1 1 A 375 375 375 375 O 315 O 315 252 822 95 5 2 1 B 2 1 A 1 1 A 1 2 B 1 2 A 2 2 A 1 1 B 2 2 B 1365 1 0 5 0 750 62 RD10205GB 02 Seen from above 16 18 NB The dr...

Page 12: ...2 2 B 1 1 B 375 375 375 252 822 95 5 375 475 475 275 288 762 275 494 616 532 716 24 O 315 O 315 O 315 O 315 288 252 32 50 1426 50 82 963 880 222 288 501 426 Seen from above 16 18 NB The drawing shows...

Page 13: ...e con nected to the ventilation ducts Whenever possible keep the unit closed during fitting The unit should be cleaned before it is used Once the VEX unit is fitted it must be checked and thoroughly c...

Page 14: ...s to prevent dam age to the unit RD13391 01 2 2 1 Passage through openings Height The VEX height is 1127 mm when standing on the long side with the door upright any spigot at the side 62 mm Width The...

Page 15: ...ight reduction The weight can be reduced during transport by removing service doors fans and crossflow heat exchanger The table below shows the how much weight can be reduced by removing the various p...

Page 16: ...ismount the motor cable from the motor control on the sliding panel and pull it towards the motor through the rubber grommets 4 Remove the three sliding rail screws The fan unit can now be lifted off...

Page 17: ...be carried out in accordance with the Project Manager s instructions Assembly drawing 1 2 3 RD13375 02 Pos Qty Description 1 4 Suspension bracket hot dip galvanised flat bar 2 12 Screw M8 stainless st...

Page 18: ...s have worked loose dur ing operation which could fall out of the VEX Always check that the safety cable and locking bracket for the crossflow heat ex changer are correctly positioned before working u...

Page 19: ...ows an example of how the drain from the condensation outlet can be established and the correct dimensions for the water trap The con densation drain pipe has dimensions 18 16 50 75 50 75 RD10269 01 3...

Page 20: ...riable flow in the primary cir cuit supply and constant flow in secondary circuit VEX unit a When there is no heating re quirement valve adjustment must be based on the required primary circuit water...

Page 21: ...ed with the motor facing down Insulate the supply pipe and heating coil The pipes and post heating coil must be insulated according to applicable regulations MVM valve Screening Screen the valve motor...

Page 22: ...run for a further 5 min and stop 3 EXact control will start a 24 hour timer 4 When the 25 hours are over the circulation pump will exercise for 5 min 5 The exercise cycle will repeat once a day until...

Page 23: ...system Guide to Electrical Installation of VEX140H V C with water heating coil and EXact2 ON Electrical installation Chapter 1 2 Original instructions 3004518 2013 02 07 VEX140_HCW_EXact2 EXHAUSTO A...

Page 24: ...ning when the filter is becoming soiled Filters should be changed at least X Filter guide Check that all the seals are tight X Seals and sealing strips Check that all the seals are tight X Fan Check t...

Page 25: ...Pull the filters out Remember to check the flow direction see the arrows on the filter Discarded filters must be stored immediately in sealed plastic bags and disposed of responsibly Filter change in...

Page 26: ...eck that the fins on the heating coil are not deformed The fins are sharp Cleaning the heating coils Step Action 1 Switch off the power supply to the unit at the isolation switch before opening the do...

Page 27: ...er 6 Press the release button on the bypass motor and turn the damper with the louvres in open position 7 The bypass motor must be dismounted before cleaning the heat exchanger with water see photos D...

Page 28: ...Mount the Tice sensor It is important to check that the Tice sensor is cor rectly positioned between the heat exchanger fins as the sensor will not measure correctly otherwise 13 Re insert the plug f...

Page 29: ...50 C At temperatures below 25 C with outdoor installation use of a thermostatically controlled heater in automated control box is recommended HMI panel Ingress protection IP20 Ambient temperature 0 C...

Page 30: ...Designation LSA LSF LSFR Motor type NM24 F AF 24 Rotation time 75 150 s open 150 s close 16 s Ingress protection IP42 IP42 Ambient temperature 20 C to 50 C 30 C to 50 C Damper depth 100 mm 100 mm A ma...

Page 31: ...dance with EN779 2012 97 99 Efficiency particle size 0 4 m 45 82 Volume flow rate l s 640 640 Initial pressure drop Pa 41 82 Recommended final pressure drop at normal volume flow rate Pa 141 182 Tempe...

Page 32: ...on program EXselect available on www exhausto dk 6 3 1 MVM motor valve Valve KVS 1 0 4 0 KVS 6 3 Test pressure 1 600 kPa 1 600 kPa Max differential pressure 100 kPa 200 kPa Permissible media temperatu...

Page 33: ...ant production part number This will ensure that the correct parts are delivered The production number is given on the front of the VEX guidelines and on the VEX rating plate Contact Contact your loca...

Page 34: ...eel copper and plastic For recycling after disas sembly Control unit Electronic components For recycling by an au thorised enterprise Cassette filter Fibreglass and plastic Dumping or incineration Uni...

Page 35: ...3004513 2016 01 14 35 36...

Page 36: ......

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