AERMEC WWM 0500 Installation And Maintenance Manual Download Page 15

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SYMBOLS SUMMARY

RIEPILOGO SIMBOLI SCHEMA

NOTE:

Symbol

Symbol name

FUNZIONE

NOME SIMBOLO

SIMBOLO

Note:

Function

pressostato di alta

high pressure switch

compressore scroll

scroll compressor

filtro deidratatore

drier filter

0.63x

spia del liquido

sight glass

IDL

tubazione isolata

insulated pipe

ISOL

linea di regolazione

regulation line

LINEE-REGOL

pressostato differenziale

differential pressure switch

Presa di pressione

Pressure connection

RACC-DR_CF

Sonda temp. aspirazione

Compr. suction temp. Probe

SASP

scambiatore di calore a piastre saldobrasate

brazed plate heat exchanger

SCAMBIATORE

0.64x

Sonda temp. gas premente

Compr. discharge temp. probe

SGP

Sonda temp. ingresso acqua

Water inlet temp. probe

SIW

SYMBOLS SUMMARY

RIEPILOGO SIMBOLI SCHEMA

NOTE:

Symbol

Symbol name

FUNZIONE

NOME SIMBOLO

SIMBOLO

Note:

Function

sonda temp. ingresso acqua cond.

cond. water inlet temp. probe

SIWH

sonda temp. liquido

Liquid temp. probe

SLQ

Sonda temp. uscita acqua

Water outlet temp. probe

SUW

sonda di temp. uscita acqua cond.

cond. water outlet temp. probe

SUWH

trasduttore di alta pressione

high pressure transducer

TAP

trasduttore di bassa pressione

low pressure transducer

TBP

trasmettitore differenziale

differential pressure transmitter

Valvola 2 vie

2 way valve

V2V

0.80x

valvola di sicurezza

safety valve

VSIC

0.86x

valvola solenoide

solenoid valve

VSL

valvola termostatica

thermostatic valve

0.98x

Valvola a farfalla Wafer

Wafer type butterfly valve

WAFER

SYMBOL

SYMBOL NAME

FUNCTION

Key:

high pressure switch

scroll compressor

drier filter

sight glass

insulated pipe

regulation line

differential pressure switch

pressure connection

compr. suction temp. probe

braze plate heat exchanger

compr. discharge temp. probe

water inlet temp. probe

cond. water inlet temp. probe

liquid temp. probe

water outlet temp. probe

cond. water outlet temp. probe

high pressure transducer

low pressure transducer

differential pressure transmitter

2 way valve

safety valve

solenoid valve

thermostatic valve

wafer type butterfly valve

Summary of Contents for WWM 0500

Page 1: ...TRANSLATION FROM ORIGINAL 60Hz 20 10 5046100_08 DUAL CIRCUIT COMPACT MODULE RELIABLE AND MODULAR MAX 2 LEVELS OF STACKABLE UNITS EASY AND QUICK TO INSTALL UP TO 36 CONNECTABLE UNITS See the modularity options WWM HEAT PUMP WITH REVERSIBLE WATER SIDE ...

Page 2: ......

Page 3: ...hest grade materials and with cutting edge technology The quality level is being constantly monitored so AERMEC 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 ...

Page 4: ...4 ...

Page 5: ...LIC CONNECTIONS 13 COOLING HYDRAULIC CIRCUIT 14 ELECTRICAL CONNECTIONS 17 ELECTRICAL POWER CONNECTION TO THE POWER SUPPLY MAINS 17 WWM ELECTRICAL DATA CONNECTED IN SERIES 18 UNITS CONNECTION 19 ELECTRICAL CONNECTION WITH BUS BAR 22 ELECTRICAL CONNECTION WITH CABLES 22 MODULARITY OPTIONS 24 COMMISSIONING WARNINGS 26 MAINTENANCE 27 EXTRAORDINAIRE MAINTENANCE 30 MAINTENANCE LIST OF THE RECOMMENDED PE...

Page 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 ...

Page 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...

Page 8: ...tification data of the product and by the technical plate bearing the technical data of your unit If the product is damaged send a registered letter with the details of the problem to the shipping company within 48 working hours from delivery lifting The units are delivered on a pallet Should you desire to lift using the forklift or pallett jack we recommend opening the forks as much as possible t...

Page 9: ...ndbreaks if the wind speed exceeds 2 2 m s The soil under the unit must be flat smooth and suﬃciently strong to withstand the weight of the unit with a full refrigerant load as well as the occasional presence of the normal maintenance equipment In locations exposed to frost if the unit is installed on soil the support base must rest on concrete columns with a depth greater than the normal depth of...

Page 10: ...25 3 24 7 25 9 Chiller bus bar headers kit 1 078 2 376 671 26 4 561 22 1 25 4 24 2 25 8 24 6 Chiller without bus bars headers kit 1 042 2 296 671 26 4 564 22 2 25 3 24 3 25 7 24 7 1 2 YG XG 3 4 TOP VIEW A A1 C C1 C2 B B1 B2 MINIMUMTECHNICAL SPACES WWM A1 B1 B2 C1 C2 0500 mm 500 1000 1000 1000 1000 in 19 7 39 4 39 4 39 4 39 4 DIMENSIONS WWM 0500 Vers 0500 A in H A 51 2 B in H A 52 4 C in H A 45 3 E...

Page 11: ...11 EXAMPLE OF INSTALLATION Example of a stack in line installation It is recommended to fasten the units to an inertial structure that is installed on vibration dampers as shown in the image ...

Page 12: ... behind the unit in order to make the header piping connections between modules If space cannot be made behind the unit adjacent piping headers must be connected prior to connecting the chiller chassis to front of the piping header Before removing the manifolds also remove the grooved heat exchanger connection joints ...

Page 13: ...gs 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 0 C insulate the pipes and provide an electric heater As an option you can also protect the pipes inside the unit Check the continuity of the earthing ATTENTION You must install th...

Page 14: ...ED HYDRAULIC CIRCUIT MANUAL 10 STEPS 2 WAY VALVE MODULATING 2 WAY VALVE WATER OUTLET WATER INLET CONDENSER EVAPORATOR ON OFF 2 WAY VALVE WATER INLET PD ONLY FOR PN10 145 psi CIRCUIT TD ONLY FOR PN21 300 psi CIRCUIT WATER OUTLET MANUAL 10 STEPS 2 WAY VALVE MINIMUM WATER CONTENT WWM 0500 Minimum recomended water content l kW gal Ton 4 3 72 Minimum recomended water content l kW gal Ton 8 7 43 Minimum...

Page 15: ...liquido Liquidtemp probe SLQ Sonda temp uscita acqua Wateroutlettemp probe SUW sonda di temp uscita acqua cond cond wateroutlettemp probe SUWH trasduttore di alta pressione highpressuretransducer TAP trasduttore di bassa pressione lowpressuretransducer TBP trasmettitore differenziale differentialpressuretransmitter TD Valvola 2 vie 2way valve V2V 0 80x valvola di sicurezza safety valve VSIC 0 86x ...

Page 16: ...in Ø GROOVED JOINTS 6 KEY Evaporator Condenser HYDRAULIC COMPONENTS NOT SUPPLIED BUT MANDATORY Safety valve by the installer assembly valves adjusted to the static pressure of the unit 10bar 21bar Water filter on the inlet evaporator and condenser eventually Aermec s accessory KITIDRO_WWM ...

Page 17: ...r these parameters are not respected contact the electric energy public body For electric connections use the cables with double isolation according to the Standards in force on this subject in the different countries it is mandatory The use of an omnipolar magnet circuit breaker switch in compliance with the current Standards contact opening at least 0 12 in with suitable cut off power and differ...

Page 18: ...6 1126 683 739 700 7 1269 795 850 800 8 1411 906 962 800 9 1554 1018 1074 1000 ALIM 230 3 60 Q tyWWM LRA A MCA A MOP A Recom fuse A 1 212 61 87 80 2 276 114 141 125 3 340 168 195 175 4 405 222 249 225 5 469 276 303 300 6 533 330 356 350 7 597 384 410 400 8 662 438 464 450 9 726 492 518 500 ALIM 460 3 60 Q tyWWM LRA A MCA A MOP A Recom fuse A 1 156 54 78 75 2 204 103 127 125 3 251 152 175 175 4 298...

Page 19: ... inside the power supply box there are bus bars or a terminal for the connection After removing the top panel disassembly the side panels on both sides ALWAYS link the units from left to right 1 First connect the hydraulic system with the dedicated grooved joints 2 Connect the electrical system 3 Connect the units together with M10 screws not supplied ATTENTION REMEMBER THAT THE SIDE PANELS LEFT A...

Page 20: ...be removed Power supply 208 230V Supplied as standard 2 bus bars for each phase The use of one or more bars depends on the total current of the line therefore on how many WWM are connected together Power supply 460 575V Supplied as standard 1 bus bar for each phase In case of electrical connection with Bus Bars it is suggested to evaluate the installation of the KREC_WWM accessory Accessory KREC_W...

Page 21: ...upplied For 2 level configuration fix the units in a linear way first and then one above the other Fix the base of the top unit in the cover of the bottom one In case of 2 level configuration follow the assembly sequence for a correct installation of the unit 1 2 3 4 5 6 7 8 ...

Page 22: ...22 ELECTRICAL CONNECTION WITH BUS BAR TOP VIEW ELECTRICAL CONNECTION WITH CABLES TOP VIEW TOP VIEW FRONT VIEW SIDE VIEW use these clamps for cable connection ...

Page 23: ...this way it s possible to access the top part of the cooling circuit Front opening to access the bars Nuts to be controlled periodically for a correct screw tightening Open the front panel of the bus bar box for inspection maintenance ...

Page 24: ...ooling capacity ton 245 7 DIMENSIONS mm in A 2 600 102 4 B 6 650 262 0 C 1 150 45 3 FEATURES WWM units n x9 Multichiller_EVO n x1 Cooling capacity ton 245 7 DIMENSIONS mm in A 2 600 102 4 B 3 990 157 2 C 1 850 72 9 FEATURES WWM units n x9 Multichiller_EVO n x1 Cooling capacity ton 245 7 DIMENSIONS mm in A 1300 51 2 B 6650 262 0 C 1850 72 9 FEATURES WWM units n x18 Multichiller_EVO n x2 Cooling cap...

Page 25: ...ING CIRCUIT HYDRONIC CIRCUIT FEATURES WWM units n x9 Multichiller_EVO n x1 Cooling capacity ton 245 7 mm in A 2 600 102 4 B 3 990 157 2 C 2 300 90 6 FEATURES WWM units n x36 Multichiller_EVO n x4 Cooling capacity ton 982 7 mm in A 2 600 102 4 B 11 970 471 6 C 2 300 90 6 FEATURES WWM units n x18 Multichiller_EVO n x2 Cooling capacity ton 491 3 mm in A 2 600 102 4 B 6 650 262 0 C 2 300 90 6 ...

Page 26: ...ow 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 unit main switch to ON the unit will start after a few minutes OPERATIONS TO BE...

Page 27: ...event 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 sh...

Page 28: ...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...

Page 29: ...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 ...

Page 30: ...base Disconnect the electrical box Close all taps valves of the hydraulic circuit Unscrew the screws that keep the cooling circuit in the unit There s the possibility to remove the group with the transpallet RECOMMENTED Drain the water from the exchanger with the drain taps Disconnect the water pipes of the exchangers by removing the grooved joints Remove the cover of the main switch and the lower...

Page 31: ...rticular 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 temperature...

Page 32: ...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...

Page 33: ...alth from uncontrolled disposal of Waste Electrical and Electronic Equipment WEEE please return the device using appropriate collection systems or contact the retailer where the product was purchased Please contact your local authority for further details Illegal dumping of the product by the user entails the application of administrative sanctions provided by law ...

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Page 36: ...EC S p A Via Roma 996 37040 Bevilacqua VR Italia Tel 39 0442 633111 Fax 39 0442 93577 marketing aermec com www aermec com Aermec reserves the right to make all modification deemed necessary for improving the product at any time with any modification of technical data ...

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