Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 1 Contents Unit Specification 1 General Size 04 06 10 16 1.1 Safety ___________________________________2 1.2 Maintenance _____________________________3 1.3 Service Intervals __________________________3 1.4 Spare Parts ______________________________3 2 Operation 2.1 To Commission the Air Handling Unit ________4 2.2 To Commission the Cooling Unit ___________4 2.3 Wiring Instructions and Fuses ______________5 3 Maintenance...
WARNING! The wiring of electrical connections and other electrotechnical work may only be carried out by an authorised electrician or by service personnel recommended by IV Produkt. WARNING! Rotating fan impeller. Do not energize the air handling unit until all...
If the supply is covered by a 5-year guarantee, in accordance with ABM 07 with amendment ABM-V 07 or in accordance with NL 01 with amendment VU03, the IV Produkt Service and Warranty Booklet will be enclosed. In order to claim extended warranty, you must be able to present a complete documented and signed IV Produkt Service and Warranty Booklet.
Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 4 2 Operation 2.1 To Commission the Air Handling Unit Including Controls The Envistar Compact (code ACER) is a factory built one-piece unit that is tested and documented at the factory. It requires no special commissioning by certified persons.
Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 5 2.3 Wiring Instructions and Fuses Air handling unit including controls Safety isolating switch A safety isolating switch should be installed and wired across each power supply cable. Wiring diagrams For the air handling units with controls, see the air handling unit-specific wiring diagrams supplied with the unit.
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Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 6 Fan size 16 StarCooler cooling unit (code ACEC) POWER SUPPLY See Table: 3×400V~ 50Hz Fuse protection for separate power supply below ALARM WHITE (CLOSES BETWEEN BROWN COM-NO START/STOP ON AN ALARM) (230 V) PINK ALARM...
Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 7 3 Maintenance Instructions 3.1 Filter (code ACEF), disposable type Filter Filter The air filters in an air handling plant should prevent dust and particles from being discharged into the building. They should also protect the sensitive com- ponents inside the unit, such as coils and heat exchangers, from becoming fouled.
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Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 8 Filter Data Dimension (mm) Qty. of Filter Surface, Rec. final pres- Size Type of filter filters Frame Length class total (m²) sure drop (Pa) Bag filter F5-F7 650×287 Bag filter F5-F7 790×287 Bag filter F5-F7 892×409...
Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 9 3.2 Heat Recovery Rotor Heat recovery rotor The function of the heat exchanger is to recover heat from the extract air and transfer this heat to the supply air. This reduces the power required to heat air; therefore less power is consumed.
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Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 10 What to check WARNING! Before beginning work: 1. Stop the air handling unit. 2. Turn the safety switch to the 0 position and lock it. Avoid touching the inlet and the outlet surfaces of the rotor with hands or tools.
Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 11 3.3 Air Heater for Water (ECET-VV) and Thermoguard (ECET-TV) Air heater, water (code ECET-VV) and Air heater, water, Thermoguard (code ECET-TV) The air heater consists of a number of copper tubes with pressed-on aluminium fins.
Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 12 3.4 Electric Air Heater (code ECET-EV) Electric air heater (code ECET-EV) The air heater consists of "exposed" electric heating rods. Severe fouling of the heating rods may cause them to overheat. This can shorten the useful life of the rods.
Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 13 3.5 Air Cooler for Water (code ECET-VK), Air Cooler, Direct Expansion (code ECET-DX) Air cooler for water (code: ECET-VK) and Air cooler, direct expansion (code: ECET-DX) The cooling coil consists of a number of copper pipes with pressed-on alumi- nium fins.
Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 14 3.6 Fan Unit The function of the fans is to transport air through the system, i.e. the fan should overcome the flow resistance which is present in air devices, ducts and unit components.
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Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 15 Fans sizes 04 and 06 1. Connection plate 2. Bolts (suspension) 3. Anti-vibration mounting 4. Vibration attenuating bracket 5. Fan impeller with motor 6. Inlet cone 7. Fan mounting bracket, upper 8.
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Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 16 Fans, sizes 10 and 16 1. Fan unit bolts 2. Pins 3. Anti-vibration mountings 4. Motor 5. Fan impeller Fan unit, sizes 10 and 16 What to check 1. Back off the bolts (item 1) and the pins (item 2) and withdraw the fan units (fan and motor are mounted on rails).
Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 17 3.7 Damper (code ECET-UM, ECET-TR) Size 04 Sizes 06, 10 and 16 The function of the dampers is to regulate the airflow. If they do not operate properly, this will disturb the overall operation of the unit and will cause serious ø315 consequential problems.
Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 18 3.8 Sound Absorber (code ETET-LD) Size 04 Sizes 06, 10 and 16 The function of the sound absorber is to reduce the sound power level in the ventilation system. What to check Check that the baffle elements have flawless and clean surfaces.
Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 19 3.9 StarCooler Cooling Unit StarCooler All cooling and heat pump units operate according to the same principal. The unit moves the heat contained in media such as air, water, gas etc. from one place where the heat is not desirable or needed, to a place where it is possible to make use of the heat, or get rid of it.
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Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 20 The cold suction gas which now has absorbed heat out of the cooled space/me- dium, is sucked back to the compressor, where it is compressed and heated. In all total hermetic compressors, the suction gas is also used to cool the compressor's electric motor.
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Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 21 Summary of certain rules in the Swedish Proclamation Regulating the Use of Refrigerants One-piece units containing volumes of refrigerant less than 3 kg The maintenance and care of these units should take place showing sound judgement under certain responsibility.
Operation and Maintenance Instructions Envistar Compact DUEC091012.03EN Page 22 4 Fault Tracing 4.1 Fault Tracing Schedule for the Cooling Unit Symptom Possible Cause Remedial Measure Too high temperature in coo- The power supply is isolated. Check the control/safety switch and led object/medium fuses.
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Air handling with the focus on LCC IV Produkt AB, P.O. 3103, SE-350 43 Växjö, SWEDEN Phone: +46 470 75 88 00 • Fax: +46 470 75 88 76 info@ivprodukt.se • www.ivprodukt.se...