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Содержание AHU

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Страница 2: ... Electrical Connections 12 Start up 16 Installation and Commissioning Checklist 19 Maintenance 21 Troubleshooting 22 Residue Risks 23 Contact Us 24 CONTENTS The data contained in this manual is not binding and can be changed by the manufacturer without prior notice ...

Страница 3: ...th installation operation maintenance or inspection of units This manual features the necessary procedures and manufacturer recommendations for correct handling installation and maintenance of the supplied unit thus ensuring long product life and optimum performance All installations repairs and servicing must be undertaken only by trained or qualified personnel The manufacturer assumes no liabili...

Страница 4: ...pair entails the risk of damages to things and could cause personal injuries Fault Malfunctioning Disconnect the equipment in case of fault or malfunctioning Repair For any repairs only contact an after sales technical assistance center authorized by the manufacturer and request the use of original spare parts Non compliance with the above could jeopardise the safety of the equipment Modifications...

Страница 5: ...The serial number The serial number has the following details for easy identification of the units o Model no YY JOBNO SERIAL Eg CU S 21 1234 06 o YY Year of Manufacture o SERIAL This number makes the unit unique Supply Air Flow Return Air Flow Motor Capacity and Number of Poles Weight and Date of Manufacture Serial number Unambiguously identifies each machine Facilitates the identification of spe...

Страница 6: ...e found damage on the transport document and write the wording Collection with reserve for evident shortages damages due to transport Send email to customercare climaunoglobal com with acknowledgement receipt to the carrier and manufacturer The notifications must be made within 3 days from receipt Any notifications after this date will not be accepted 2 3 Storage Respect the indications outside of...

Страница 7: ...y for the unit weight Spaces for air ejection and suction Disposal of condense water Prefer Places where the unit does not disturb neighbors Avoid snow accumulating obstructing the coils Avoid places that may be subject to flooding Install the unit lifted from the ground Protect the unit with suitable fence in order to avoid access to unauthorized personnel Limit the transmission of vibrations Use...

Страница 8: ...eets stiffeners screws Special attention and care should be paid when fitting the gasket use silicon to ensure a perfect seal where required 1 Joint protection PPGI 2 Roof 3 Aluminum frame 4 Base 5 Waterproofing 6 Support base 3 4 Joining the sections During the installation of units consisting of a series of sections pay special attention to the installation assistance stickers Arrow stickers wit...

Страница 9: ... that the movement of the wheel is regular and not misaligned Check that the fins are not damaged Supply and return fans to be run simultaneously Periodic cleaning of filters and any other components like HRW 4 HYDRAULIC CONNECTIONS 4 1 Preliminary Information Selection and installation of system components must be carried out by installer Below you will find some indications to integrate with wha...

Страница 10: ...ng cables placed under the insulation Empty the system in cases of long non use and check that there are no closed taps present that could trap water even after emptying Also check that there are no low points in which water can stagnate even after emptying carry out any blowing required 4 6 Anti Freeze Solution Consider that the use of anti freeze solution determines an increase in pressure drop ...

Страница 11: ...ted to the drain with an airtight seal so as to allow the venting of air and the absorption of any sewerage that may return A drain trap that is under pressure must never for obvious reasons be connected to a trap under depression The connection pipe after the drain trap must be sufficiently sloped towards the sewerage drain and have a diameter no less than the drain pipe The drains may be made fr...

Страница 12: ...am of the unit the number of the wiring diagram is indicated behind the terminal block cover Check that the mains have features that conform to the data reported on the name plate Before starting work check that the isolation device at unit power supply line start is open blocked and provided with necessary signs lockout tagout First carry out the earth connection Protect the cables using adequate...

Страница 13: ...calibrated for the rating of the motor Please refer to the table Motor electrical data To prevent moisture forming in the terminal block check that the gasket is fitted in its housing and correctly fastened by the cover As regards the starting time refer to the table starting times Do not use damaged uninsulated or loose connected cables For the grounding connection use the 6 8 mm holes present on...

Страница 14: ...it Check the mains have features conforms to the data reported on the matriculation plate For the electrical connections follow the manufacturer s instructions enclosed with the appliance Read the manufacturer s manual The electrical connections must be carried out to EC standards 5 8 Electric Heaters if equipped 1 Remove the cover of the terminal block 2 Check that the connections of the terminal...

Страница 15: ... 65 37 71 225 S 25 35 60 75 45 86 225 M 35 50 72 100 55 104 250 M 50 70 72 100 75 144 280 S 70 120 102 170 90 172 280 M 95 150 102 170 5 10 Admissible Starting Times Refer Motor catalogue Regarding the increase in temperature the start up time cannot exceed the value indicated in the table In the event of repeated starts at unchanged rated power the motor must before each start up have the same te...

Страница 16: ...lues that are within the limits 400 3 50 10 Check the unbalancing of the phases must be below 2 Precautions during Set Up The doors must be opened only when the unit is off Turn off the fan before working on the unit The retractable handles are not in any case suitable for opening under depression that is when fan is in motion When the fan is in operation the inspection door must be closed so as t...

Страница 17: ...te Filters The filter support wall should be checked for deformations that may have occurred when positioning the unit any cracks must be sealed so as not to allow the by pass of air Warning The cells are very delicate If the filtering material is broken it must be replaced Activated Carbon Filters Check that the cartridges containing the carbon are correctly inserted and check the operation of th...

Страница 18: ...uits High power inputs indicate especially for fans with forward blades an excessive volume of air due to lower resistance in the circuit and thus the overloading of the electric motor Vice versa low input indicates poor air flow due to higher pressure drops than specified To normalize the system adjust the transmission to vary the speed of the fan In no circumstances in fact are such problems due...

Страница 19: ...t any gaps Valve package installed for Chilled water FAHU Minimum 1 meter clearance provided at the suction side of the FAHU Supply Ducting works are done as per the approved shop drawing Star delta starter provided if the motor rating is more than 5 KW Elbow is provided at the discharge side to avoid recirulation of Extract air with Supply air Electrical connections properly done loose connection...

Страница 20: ...ng Yes No 15 Power source available 3 Phase 1 phase Yes No 16 All electric components are properly wired as per required phase and load Yes No 17 Ensure electrical earthing is connected to the supplied equipment Yes No 18 Incoming line voltage In VAC RY YB BR 19 Voltage across Neutral Earth In VAC EN 20 Supply air temperature sensor installed at appropriate location in supply air duct Yes No 21 Po...

Страница 21: ...Plate Heat Exchanger Clean the fins Electric Heater Check for any loose electrical connections UV lamp Check UV intensity and replace lamps yearly Electro Static Precipitator Clean the surfaces from dirt and oil Clean replace the filter based on condition Humidifiers Clean the humidifier internally from dust scaling Clean the Condensate Drain pan Dampers Check for rusting opening closing and air l...

Страница 22: ...ng Bolts Worn Motor Bearings Replace Bearing Seals 6 Excessive Fan Noise Fan Rubbing on Inlet Cone or Guard Remove Item Repair Worn Fan Bearings Replace Bearing Seals Loose Impeller Re tighten Hub 7 Premature Belt Wear Incorrect Tension or Alignment Re Tension and Align Dirt or Grease on Belts Clean belts pulleys Check for grease leaks Belts Rubbing Remove Obstruction Odd Belts being Fitted Replac...

Страница 23: ... check the correct fastening of all fastening screws of the paneling can cause damages to things persons or the unit itself Periodically check closing of all panels and their correct fastening In the event of fire the coolant temperature can reach values that will bring the pressure over the safety value with consequent possible projection of coolant or explosions of the circuit that remain isolat...

Страница 24: ...E Tel 971 4820 9700 Fax 971 4 885 3534 E Mail Info climaunoglobal com www climaunoglobal com For complaints feedback email customercare climaunoglobal com We at Clima Uno work continuously on product research and development and reserves the right to revise the contents of this manual without prior notice CUI IOM 01 07 ...

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