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DUCTABLE AIR HANDLING UNIT FOR FRESH AIR VENTILATION AND
HEAT RECOVERY mod.

UC 500-MHE

SUMMARY

TRANSPORT AND STORAGE

2

DESCRIPTION OF THE MACHINE AND USE

2

DESCRIPTION OF OPERATIONS

3

DIMENSIONS 5

INSTALLATION 6

CONNECTIONS 8

START-UP AND COMMISSIONING

11

ROUTINE MAINTENANCE

15

EXTRAORDINARY MAINTENANCE

15

WARNINGS FOR THE CORRECT DISPOSAL OF THE PRODUCT

15

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Содержание UC 500-MHE

Страница 1: ...Air Handling Units TECHNICAL INSTALLATION MANUAL Residential Dehumidifier withVMC System Unit Comfort UC 500 MHE ...

Страница 2: ......

Страница 3: ...500 MHE SUMMARY TRANSPORT AND STORAGE 2 DESCRIPTION OF THE MACHINE AND USE 2 DESCRIPTION OF OPERATIONS 3 DIMENSIONS 5 INSTALLATION 6 CONNECTIONS 8 START UP AND COMMISSIONING 11 ROUTINE MAINTENANCE 15 EXTRAORDINARY MAINTENANCE 15 WARNINGS FOR THE CORRECT DISPOSAL OF THE PRODUCT 15 ...

Страница 4: ...lop toxic components in the event of fire Contact with the fan outlet may cause injury Electrical connections must be carried out by qualified and skilled technicians as per the laws in force Defects regarding pipework hydraulic connections and shut off valves may lead to dripping or splashing of water with consequent damage to objects as well as dangerous situations in the presence of electricity...

Страница 5: ...d or not as per the flow rate and type of treatment to be carried out on the incoming air There is also a duct which is controlled by a motorized damper and allows the intake of the outdoor air without passing through the heat exchanger In this way free cooling can take place The bypass opens automatically when the appropriate input occurs and when the outdoor temperature is below the set limit 1 ...

Страница 6: ...ring recirculation Air flow rate can be set as follows air supply flow rate from 300 m h to 500 m h fresh air ventilation flow rate from 160 to 300 m h free cooling flow rate from 160 to 300 m h OPERATION OF COOLING CIRCUIT COOLING The finned coil 3 which is connected to the radiant system enables summer cooling and winter heating The temperature control over the outgoing air is carried out by the...

Страница 7: ...ion heat outwards In carrying out this process the machine uses both exhaust stale air and an additional air flow coming from outside The two electronic expansion valves E allow to distribute the condensation heat between in the incoming and outgoing air in the desired proportion this enables to have outgoing air at the desired temperature between maximum cold and neutrality The levels of outgoing...

Страница 8: ...lves may lead to dripping or splashing of water with consequent damage to objects as well as dangerous situations in the presence of electricity Requirements prior to installation The following conditions must be in place before installing the machine inflow and return pipework for the water from the radiant circuit shall be equipped with two shut off valves for the disconnection of the line drain...

Страница 9: ... COMPONENTS REPLACEMENT OF THE WHOLE UNIT For correct maintenance or repair operations there must be a free area around the machine according to the measurements shown in the figure below These areas including the space occupied by the machine must be freely accessible for maintenance The machine must be installed inside buildings positioned horizontally Operation in an inclined position of more t...

Страница 10: ...er to disconnect the system from the machine After connection to the system a water tightness check must be carried out on both the connections and the machine in order to avoid any damage for the area below the machine Condensate discharge There are three condensate drains two drains are for the summer and winter recuperator condensate one for the summer condensation of the dehumidifying section ...

Страница 11: ...ameter ELECTRICAL CONNECTIONS CONDUCTOR SECTION The electric power supply line and the isolating devices must be decided by qualified staff responsible for the electrical design In any case the cable must have a minimum cross section of 3x1 5 mm F N PE The following diagram shows the terminals which are available for connections the machine must be connected to an electric power supply a 4 wire co...

Страница 12: ...at 35 50 R H max flow rate in only Ventilation and Ventilation Recirculation mode W 2050 Power consumption for the air supply fan min max W 20 160 Flow rate of the air supply fan min max m h 160 500 Available pressure of the air supply fan Pa 260 Power consumption for the air exhaust fan min max W 20 160 Flow rate of the air exhaust fan min max m h 160 500 Available pressure of the air exhaust fan...

Страница 13: ...tandard air supply temperature and air temperature for heating and cooling automatic time slots for fresh air ventilation max 4 time slots for flow rate attenuation max 4 Machines equipped with a Control Panel can also read the levels of the temperature sensors which the machine is equipped with These values can be useful in the testing phase or while verifying the correct operation Further detail...

Страница 14: ... in the finned coil The compressor and the supply fan are running the room air is dehumidified and supplied into the room at the set temperature If excess heat must be removed the exhaust fan intakes and expels an external air flow which is warmed by the discharge coil The compressor and both fans are running The inflow air is treated by the whole group of coils The air flow rate can be set from 3...

Страница 15: ...in the finned coil The supply fan is running the room air extracted and supplied to the room again at the set temperature The outgoing temperature is regulated by modulating the flow rate of the hot water circulating in the finned coil The flow rate for the supply air can be set from 300 to 500 m h Both fans are running the intake air damper is closed and the bypass damper is open The inflow air i...

Страница 16: ... by the heat exchanger by using the exhaust air The supply air flow rate can be set from 300 to 500 m h while the flow rate for fresh air ventilation can be set from 160 to 300 m h The fans are both running the intake air damper is closed and the bypass damper is open The water circuit of the finned coil is closed The air flow rate can be set from 160 to 300 m h ...

Страница 17: ...s if finer filtration is needed or in case of very dusty air the supplied filters could be inadequate The system can be set up with air filters which shall be installed out of the machine depending on the needs of the system Removal of air filters EXTRAORDINARY MAINTENANCE Extraordinary maintenance involves the cleaning of the heat exchanger The exchanger should be checked every two years For remo...

Страница 18: ...ents if they can no longer be used must be demolished and divided up according to the type of product this is particularly important for the copper and aluminium components which are included in the machine in moderate quantities Therefore at the end of its useful life the user must take the equipment to a designated electrical and electronic waste collection point or return it to the dealer that ...

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Страница 20: ...FAG0CA031BZ 01 09 2019 bit ly rdzwebsite ...

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