AERMEC WWB 0330 Скачать руководство пользователя страница 22

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MAINTENANCE

ATTENTION
Any cleaning, inspection, control, routine and extraordinary mainte-
nance must be performed by experienced, authorised personnel and 
qualified to perform the above tasks. These tasks must be performed 
with the machine off and not powered to perfection as prescribed by 
M.D. 37/2008.

During the execution of 
-   Risks of electric discharges;
-  Risk of injuries due to the presence of rotating parts;
-  Risk of injuries due to the presence of sharp edges and heavy 

weights;

-  Risks of injuries due to the presence of components containing high 

pressure gas;

-  Risks of injuries due to high or low temperature components.
-  Noise-related risks of the machine functioning (refer to what is de-

clared in the user manual);

-  Risks related to the presence of harmful substances in hydronic 

circuits.

These tasks must be performed using the appropriate personal 
protective equipment, see figure below

Maintenance operations are essential to maintain the refrigerant unit 
efficient, from a purely functional point of view and with regard to energy 
and safety. 

In the absence of specific regulations regarding HFO refrigerants, the 
manufacturer prescribes the application of and compliance with that 
indicated in the: 
-   Regulation (EC) No.842/2006- art.3 concerning the “leakage contain-

ment” 

-   Regulation (EC) No.1516/2007 concerning the “standard leakage 

checking requirements” and related national laws implementing the 
above European regulations.

ATTENTION
For the unit, the user must provide a system booklet which he must 
ensure, or its designee authorised to service the machine, will contain 
all required records in order to have a historical documentation of the 
unit functioning. The absence of records in the booklet may count as 
evidence of lack of maintenance..

PRECAUTIONS TO BE OBSERVED DURING MAINTENANCE

ATTENTION
Maintenance operations can only be performed by authorised techni-
cians 

PRECAUTIONS AGAINST RESIDUAL RISKS
MECHANICAL RISKS

-   Before opening a machine panel, ascertain whether it is or not firmly 

connected to it by hinges;

-   In case a piece is disassembled, make sure it is correctly reassembled 

before restarting the unit;

-   Louvers of the heat exchangers, edges of the components and pan-

els, screws can generate cuts;

-   Do not remove the protections from mobile elements while the unit 

is running;

-   Make sure that the protections of mobile elements are correctly in 

place before restarting the unit;

-   It is not permitted to walk or place other bodies on the machine;
-   Fans, motors and belt drives may be in motion, always wait for them 

to stop and take appropriate precautions to prevent their activation 
before accessing them;

-  Isolate the unit from the mains by means of the external isolator 

provided for the insertion of padlocks (up to 3) for blocking in “open” 
position.  

-  Place a sign reading “Do not turn on - maintenance in progress” on 

the open isolator  

-  Equip yourself with the appropriate personal protective equipment 

(helmet, insulated gloves, protective goggles, accident-prevention 
shoes, etc.)

-  Equip yourself with tools in good condition and make sure to have 

fully understood the instructions before using them  

-  For outdoor units, do not perform interventions in dangerous weath-

er conditions such as rain, snow, fog, etc.

-  The cooling circuit contains under pressure refrigerant gas: any 

operation must be performed by competent personnel in possession 
of the authorisations and qualifications required by current laws

ATTENTION
it is forbidden to LOAD the cooling circuit with a refrigerant gas differ-
ent from that indicated. Using different refrigerant gas can
severely damage the unit

-  never keep the cooling circuit open, because the oil absorbs humidi-

ty and degrades 

-  during venting protect yourself against any leakage of fluids at dan-

gerous temperatures and/or pressures 

-  always use appropriate equipment (extractor, antistatic bracelet, etc.) 

when replacing electronic boards 

-  if replacing a motor, compressor, evaporator, condensing coils or any 

other heavy element, make sure that the lifting devices are compati-
ble with the weight to be handled 

-  in air units with independent compressor compartment, do not 

access the fan compartment without having first disconnected the 
machine through the isolator on the board and having placed a sign 
reading “Do not turn on - maintenance in progress”  

-  contact the company if changes must be made to the refrigerant, 

hydraulic or electric diagram of the unit, as well as its control logic  

PREVENTION OF CHEMICAL / FIRE / ENVIRONMENTAL RISKS

-  Any intervention on the machine must be performed with “NO 

SMOKING”;

-  Never disperse the fluid contained in the cooling circuit in the envi-

ronment 

-  The water circuit may contain harmful substances. Prevent the 

contents coming into contact with skin, eyes and clothing. Use the 
prescribed personal protective equipment. (chemical risk);

-  If there is a need to perform a braze-welding, so with the use of spe-

cial torch with naked flame, the same flame must only be activated 
if in the absence of freon gas in the environment and on the cooling 
circuit pipes. Inside piping must be “washed” and contain nitrogen 
type inert gas. The presence of flame and freon gas decomposes the 
same, forming lethal and carcinogenic compounds.

-  Hot works require the availability of a Carbon Dioxide (CO

2

) fire ex-

tinguisher. DO NOT USE WATER, leachates could be hazardous for the 
discharges; if using water, provide a containment tank.  

MAINTENANCE

Содержание WWB 0330

Страница 1: ...w w w a e r m e c c o m T r a n s l a t i o n f r o m o r i g i n a l I n s t a l l a t i o n m a n u a l EN 60Hz 2 1 0 5 5 8 9 0 7 3 0 _ 0 2 WATER WATER HEAT PUMPS ONLY W W B 0330 0900 ...

Страница 2: ......

Страница 3: ...EC products are synonymous with Safety Quality and Reliability The data may undergo modifications considered necessary for the improvement of the product at any time and without the obligation for any notice thereof Thank you once again AERMEC S p A This marking indicates that this product should not be disposed with other household wastes throughout the EU To prevent possible harm to the environm...

Страница 4: ... VIBRATION POSITIONS 14 MINIMUM TECHNICAL SPACES 15 WWB STANDARD OPENING ELECTRICAL PANEL LH 15 WWB R REVERSE OPENING ELECTRICAL PANEL RH 15 ELECTRICAL CONNECTIONS 16 ELECTRICAL DATA 16 STANDARD RATINGS 17 OPERATING RANGE 17 ELECTRIC POWER CONNECTION TO THE ELECTRICAL MAINS 18 CONNECTING THE AUXILIARY CONTROL BOARD 20 COMMISSIONING WARNINGS 21 MAINTENANCE 22 MAINTENANCE LIST OF THE RECOMMENDED PER...

Страница 5: ...5 CERTIFICATIONS COMPANY CERTIFICATIONS SAFETY CERTIFICATIONS ...

Страница 6: ...necessary repairs The installation must comply with the requirements of EN378 3 and the local current regulations In particular indoor installation must ensure adequate ventilation and provide refrigerant detectors when necessary The machine must not be installed in environments with risk of explosion but in a suitable place In particular if intended for indoor use it cannot be installed outdoors ...

Страница 7: ...xtures with ethylene glycol propylene in a maximum concentration of 30 The machine must only be employed for the use for which it was made any other use can be dangerous and void the warranty PREVENTIONS Make sure that the protections of mobile elements are correctly in place before restarting the unit Fans motors and belt drives may be in motion always wait for them to stop and take appropriate p...

Страница 8: ...e unit Before lifting check the specific weight on the technical plate Use all and only the lifting points indicated Use ropes in compliance with Standards and of equal length Handle the unit with care and without sudden movements Do not stand under the unit during lifting The machine must be kept in a vertical position Attention the units cannot be stacked Technical plate Packaging label RECEPTIO...

Страница 9: ...h greater than the normal depth of frost of the soil It is always advisable to build a support base separate from the main building to avoid the transmission of vibrations Stationary appliance for normal applications the rigidity of the unit and the positioning of point loads allow for an installation that minimises vibrations In the case of installations requiring particularly low vibration level...

Страница 10: ...B 0800 2 1 2 Grooved joints WWB 0900 2 1 2 Grooved joints DIMENSIONS mm AND POSITION OF HYDRAULIC CONNECTIONS STANDARD OPENING ELECTRICAL PANEL LH bottom view Heat exchanger system side condenser Heat exchanger source side evaporator 28 0 in 15 4 in 38 6 in 5 0 in 65 0 in 70 0 in 2 2 in 6 1 in 6 1 in 2 2 in 27 6 in 31 9 in 51 4 in 1 1 in 0 8 in 0 8 in 51 0 in 52 6 in 31 3 in 25 9 in 0 6in ...

Страница 11: ...0 2 1 2 Grooved joints WWB 0800 2 1 2 Grooved joints WWB 0900 2 1 2 Grooved joints R REVERSE OPENING ELECTRICAL PANEL RH bottom view Heat exchanger system side condenser Heat exchanger source side evaporator 28 0 in 15 4 in 38 6 in 5 0 in 65 0 in 70 0 in 6 1 in 6 1 in 2 2 in 2 2 in 27 6 in 31 9 in 51 4 in 1 1 in 0 8 in 0 8 in 51 0 in 52 6 in 31 3 in 25 9 in 0 6in ...

Страница 12: ...ings Install stop valve near the water inlet and outlet fittings After performing a leak test insulate the pipes to reduce heat loss and prevent the formation of condensation If the external water pipes are in an area where it is likely that the environment temperature drops below 32 F insulate the pipes and provide an electric heater As an option you can also protect the pipes inside the unit Che...

Страница 13: ...ALTO UNIT RESPONSIBILITY OFTHE INSTALLER 2 Water filter not supplied Installation is mandatory or the guarantee will void 3 Flow switch not supplied Installation is mandatory or the guarantee will void 4 Air vent valve 6 Anti vibration joints 7 Cut off valve 8 Safety valve 9 Expansion tank 10 System buffer tank 11 Pressure gauges 12 Pump 14 Drain valve Condenser Evaporator Average temperature wate...

Страница 14: ...20 31 26 0700 L 1 576 28 4 13 7 25 20 31 24 0800 L 1 676 28 4 13 7 25 20 31 24 0900 L 1 808 28 5 13 5 25 19 32 24 0330 L Operation weight 926 28 6 13 8 22 22 28 27 VT9 0350 L 970 29 0 14 0 22 22 28 28 VT9 0550 L 1 014 29 3 13 8 22 21 29 28 VT9 0600 L 1 124 30 1 14 3 20 21 29 30 VT15 0700 L 1 609 29 1 13 8 22 21 29 28 VT15 0800 L 1 709 29 0 13 8 22 21 29 28 VT15 0900 L 1 852 29 2 13 6 22 21 29 28 V...

Страница 15: ...AL PANEL LH WWB R REVERSE OPENING ELECTRICAL PANEL RH A1 A C B B1 B2 C1 C2 A1 A C B B1 B2 C1 C2 WWB A1 in 19 7 B1 in 3 9 B2 in 39 4 C1 in 31 5 C2 in 3 9 WWB A1 in 19 7 B1 in 3 9 B2 in 39 4 C1 in 31 5 C2 in 3 9 Minimum technical spaces Minimum technical spaces ...

Страница 16: ...N All the electrical operations must be carried out by personnel in possession of the necessary qualifications by law suitably trained and informed on the risks related to these operations The characteristics of the electrical lines and of the related components must be determined by staff qualified to design electrical systems in compliance with the international and national regulations of the pl...

Страница 17: ... 145 0 Heating mode Water system side IN OUT 158 F 172 4 F Water source side IN OUT 95 F 86 F Water system side IN OUT 158 F 172 4 F Water source side IN OUT 113 F 104 F OPERATING RANGE 32 50 68 77 86 104 122 140 158 176 194 F 32 50 41 68 86 104 122 F 131 158 B A 1 32 50 68 77 86 104 122 140 158 176 194 F 32 50 41 68 86 104 122 F 131 176 B A 1 A Temperature of water produced system side F B Temper...

Страница 18: ...inside the unit and connect it to clamps L1 L2 L3 N if present and PE respecting the polarities L1 L2 L3 and N as phases and PE as grounding Ensure that all protections removed for the electric connection have been restored before powering the unit electrically Close all the opened panels Turn the switch at ON position Position the system master switch outside the appliance at ON For auxiliary con...

Страница 19: ...ower corners of the machine the installer must choose the best one After passing the cables through an entry point run them along the dedicated vertical bracket holding them in place with clamps if necessary towards the electrical panel Attention connect the earth wire Use an M10 screw on the galvanised side panel ...

Страница 20: ...points indicated are the ones that the installer can use 0 1 Remote ON OFF FL Evaporator flow switch FLH Condenser flow switch EMF Multi purpose input just the enabling chiller power limiting setpoint heating cooling variation ATTENTION for connect 0 1 FL FLH EMF use the auxiliary control board and refer to the complete electric diagram on the machine CONNECTING THE AUXILIARY CONTROL BOARD Positio...

Страница 21: ...e drop tables present in this manual Check the correct functioning of the flow meters if installed Closing the cut off valve at the output of the heat exchanger the unit control panel must show the block Finally re open the valve and rearm the block COMMISSIONING Once all the aforementioned checks have been carried out the unit can be commissioned Close the door of the electrical panel Set the uni...

Страница 22: ...activation before accessing them Isolate the unit from the mains by means of the external isolator provided for the insertion of padlocks up to 3 for blocking in open position Place a sign reading Do not turn on maintenance in progress on the open isolator Equip yourself with the appropriate personal protective equipment helmet insulated gloves protective goggles accident prevention shoes etc Equi...

Страница 23: ...eplaced after draining the refrigerant gas contained in the circuit During venting protect yourself against any leakage of fluids at dan gerous temperatures and or pressures Always use appropriate equipment extractor antistatic bracelet etc when replacing electronic boards If replacing a motor compressor evaporator condensing coil or any other heavy element make sure that the lifting devices are c...

Страница 24: ...ar the machine cooling circuit Access the machines and acquire the measurements keeping AWAY from the under pressure parts of the cooling circuit As soon as the measurements are taken turn off the machine remove the instruments and close the cooling circuit compartment The thermostatic valve must be calibrated with the machine off The high low pressure switch where present must be tested with the ...

Страница 25: ... particular attention to under pres sure containers In this case replace them of intervene with specific products General cleaning of the unit Bleed the hydraulic circuit and the heat exchangers the simultaneous presence of air and water reduces yield and can benefit the arising of rust INTERVENTIONSTO COOLING CIRCUIT Functioning at full load Overheating temperature measurement Subcooling temperat...

Страница 26: ...nctioning of the thermostatic valve Check the charge of refrigerant gas 1 Check the proper functioning of the solenoid valves MAINTENANCE LIST OF THE RECOMMENDED PERIODIC INTERVENTIONS DECOMMISSIONING AND DISPOSAL OF THE MACHINE COMPONENTS ATTENTION The unit contains greenhouse effect fluoride gases covered by the Kyoto Protocol The law prohibits its dispersion in the environment and requires its r...

Страница 27: ...control is available via PC tablet or smartphone thanks to a Cloud Server connection Chronological recording of the activities of the connected units log files is also available for post analysis PGD1 This allows chiller command operations to be implemented from a distance MULTICHILLER_EVO Control system to control activate and deactivate the individual chillers in a system in which several units ...

Страница 28: ...T e l 3 9 0 4 4 2 6 3 3 1 1 1 F a x 3 9 0 4 4 2 9 3 5 7 7 m a r k e t i n g a e r m e c c o m w w w a e r m e c c o m 2 1 0 5 5 8 9 0 7 3 0 _ 0 2 DOWNLOAD THE LATEST VERSION http www aermec com qrcode asp q 16601 TÉLÉCHARGER LA DERNIÈRE VERSION http www aermec com qrcode asp q 16602 ...

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