Wesper SLH 1202 Installation And Maintenance Manual Download

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English

Air cooled chillers and heat pumps with screw compressors

Installation and maintenance manual

IOM SLS407-N.1GB

Date :

November 2005

Supersedes :

None

SLS 1202 ÷ 4004

SLH 1202 ÷ 3804

262



916 kW

287



853 kW

Summary of Contents for SLH 1202

Page 1: ...glish Air cooled chillers and heat pumps with screw compressors Installation and maintenance manual IOM SLS407 N 1GB Date November 2005 Supersedes None SLS 1202 4004 SLH 1202 3804 262 916 kW 287 853 k...

Page 2: ...Start up 21 5 3 Checking the operation 22 5 4 Delivery to the customer 22 6 OPERATION 6 1 General Informations 23 6 2 Keyboard Display Terminal Unit 23 6 3 Functions Keys Configurations 25 7 GENERAL D...

Page 3: ...rranty to be valid the following conditions shall be met h The machine must be operated only by skilled per sonnel from Itelco Clima s Authorised After Sales Service h Maintenance must be performed on...

Page 4: ...high surface temperature The guards of the fans only for units pro vided with air heat exchangers must be al ways mounted and must never be removed before de energising the appliance It is the User s...

Page 5: ...r to balance the pressure to the atmospheric value be fore disconnecting them disassemble connections filters joints or other line items h do not use your hands to check for any pressure drops h use t...

Page 6: ...ernal disconnecting switch h place a warning sign do not turn on mainte nance in progress on the external disconnecting switch h make sure that on off remote controls are inhibited h wear suitable per...

Page 7: ...t Identification of the refrigerant External door Identification of the unit Outside on the right hand front column Electrical warning Adjacent to the master switch Gravity centre Base TENERE SU QUEST...

Page 8: ...tion Adjacent to fittings ATTENZIONE INSERIRE LE RESISTENZE DI RISCALDAMENTO OLIO ALMENO 12 ORE PRIMA DI OGNI AVVIAMENTO SE PREVISTE PRIMA DELLA MESSA IN TENSIONE ASSICURARSI CHE LE VITI DEI CIRCUITI...

Page 9: ...t Very high concentrations may result in the risk of asphyxia due to the reduction in the oxygen percentage in the atmosphere Remove the patient to fresh air and keep warm and at rest If necessary giv...

Page 10: ...le leaks ventilate the room Reduce the leak with sand earth or other absorbing substances Make sure that the liquid does is not channelled into gutters sewers or pits where the vapours are likely to c...

Page 11: ...ess heat May corrode some types of paint or rubber Use in well ventilated rooms Always wear protective goggles or a mask Wearing protective gloves is not mandatory but is recommended in case of prolon...

Page 12: ...ts listed in the order In case of damage note it down on the carrier s de livery note and issue a claim according to the instruc tions provided in the delivery note In the presence of any serious dama...

Page 13: ...ance and any damage to the surfaces until the unit is ready for operation The lifting eyebolts protrude from the base of the unit it is therefore recommended to remove them once the unit has been lift...

Page 14: ...s for example the outlets to kitchen exhaust hoods into the atmosphere Otherwise the grease is likely to deposit on the fins of the refrigerant air exchangers and would fix every type of atmos pheric...

Page 15: ...t the jack mounted on the antivibration mount in the hole in the machine base 3 make sure that the bracket is secured and clamped to the base of the machine and that it is resting on the flat washer E...

Page 16: ...ge tank shall be installed h A membrane expansion vessel provided with safe ty valve with vent that must be visible The capacity of the expansion vessel must allow for an expansion of at least 2 of th...

Page 17: ...ed to fill the circuit must be treated to obtain the request ed PH Legends I Pressure gauge connection S Gate valve Fl Flow Switch GA Flexible hoses R Drain cock T Thermometer F Filter 4 4 Hydraulic c...

Page 18: ...C the Electromagnetic Interference Directive 89 336 EC and the usual procedures and standards applicable in the place of installation The unit must not be operated if its installation has not been car...

Page 19: ...ON SRHP DOUBLE SET POINT DAY NIGHT SDN PHASE VOLTAGE CONTROL ACCESSORY SQZ FLOW SWITCH SF EXTERNAL INTERLOK OPTIONAL CIRC PUMP ETC COMMON LOAD SHEDDING REMOTE CONTROL C 1 1 SLS OFF LOAD SHEDDING REMOT...

Page 20: ...entering and leaving the plant they are supplied separate and must be mounted during the installation of the unit as explained in the instructions below 1 2 Gas well Manual exhaust valve 3 manifold f...

Page 21: ...by the customer The supplied temperature control sensor for the wa ter returning from the plant is not installed on the unit The sensor through the relevant well must be posi tioned on the manifold w...

Page 22: ...tion is correct with out any trace of leaks and air bubbles If you use ethylene glycol as antifreeze check that its per centage is correct h Check that the direction of rotation of the pumps is correc...

Page 23: ...atures during operation at high and low pressure detected by the pressure gauges of the refrigerant are within the following range On the units not provided with HP LP pressure gauges for the refrige...

Page 24: ...arel or Modbus type Remote Display Terminal Remote control Phase monitoring kit Black Box h Chiller Control system for SLS H two screw compressors units These cooling only water chillers are provided...

Page 25: ...o arrest the buzzer If the key is lighted in red it means that at least one alarm was detected Pushing one time this key the buzzer is arrested and the mask related the active alarm is dis played Push...

Page 26: ...ressure On Off On Off On AL18 Clock board failure On On On On On AL21 B1 Tin sensor failure Off Off Off Off On AL22 B2 LP1 sensor failure Off On Off On On AL23 B3 DP1 sensor failure Off On On On On AL...

Page 27: ...ntenance Pushing the Maintenance key it is possible to ac cess to the following information masks 1 ALARM HISTORY Pushing the Enter the cursor enter in the list of the memorized alarms At this point t...

Page 28: ...48 43 Outlet 20 50 45 Glycol setpoint Inlet 15 20 10 Outlet 15 20 8 Band Inlet 1 10 5 Dead band Outlet 1 6 2 Language Selection ITA ENG GER FRA SPA ITA Recovery System 2 ON OFF OFF ON OFF System 1 ON...

Page 29: ...High Efficiency Temperature version HET Chillers heat pumps with air condensation work ing with R407C with R22 on demand for extra Eu ropean countries SLS D SLH D The capacity control of the step typ...

Page 30: ...tempera tures down to 18 C when the unit is off 7 6 Air heat exchanger Coils are made of copper pipes in staggered rows mechanically expanded inside an aluminium finned pack 7 7 Fans The condenser s...

Page 31: ...circuit of units with plate exchanger evaporator and oil cooler Note the units are equipped with two refrigeration circuits Only one circuit is illustrated for the sake of simplicity 7 Liquid cock 8 F...

Page 32: ...Solenoid valve 12 Shell Tube type heat exchanger 13 Nonreturn valve 14 Solenoid valve Components 1 Screw compressor 2 Screw compressor s delivery cock 3 Flexible hose absorber 4 Silencer 5 Safety valv...

Page 33: ...relay and elec tronic card a thermostat for the compressor s de livery temperature h The keyboard and the display of the Chiller Con trol microcomputer mounted on the door of the control section 19 N...

Page 34: ...ately to be mounted on site by the installer Water flow meter Prevents the operation of the unit if the circulating chilled fluid is insufficient It is recommended to in stall a flow meter to ensure t...

Page 35: ...SLS 1202 SLS 1402 SLS 1602 SLS 1802 SLS 1902 SLS 2002 SLS 2202 SLS 2402 K 19 3 19 3 13 2 9 8 9 8 9 8 7 2 7 2 Min water flow rate l s 7 8 8 9 10 1 11 3 12 7 13 7 15 2 15 9 Nominal water flow rate l s...

Page 36: ...pressure drops kPa 114 1 104 6 89 2 78 0 93 3 Heat exchanger SLH SLH 1202 SLH 1402 SLH 1602 SLH 1802 SLH 1902 K 575 8 570 3 561 6 263 0 263 0 Min water flow rate l s 1 1 1 2 1 4 1 5 1 6 Nominal water...

Page 37: ...ding Y q Evaporator Type Plate type Number 1 1 1 1 1 1 1 1 Minimum water content l 26 26 33 40 40 40 50 50 Condenser Type Coil type Al Cu Hydraulic connections Type Gas threaded male type Inlet diamet...

Page 38: ...orator Type Plate type Shell Tube Plate type Number 1 1 1 1 1 2 2 Minimum water content l 50 207 207 222 222 40 40 Condenser Tipo Coil type Al Cu Hydraulic connections Type Gas thre male To be welded...

Page 39: ...Evaporator Type Plate type Number 1 1 1 1 1 1 1 1 Minimum water content l 26 26 33 40 40 40 50 50 Condenser Tipo Coil type Al Cu Hydraulic connections Type Gas threaded male type Inlet diameter inch 3...

Page 40: ...orator Type Plate type Shell Tube Plate type Number 1 1 1 1 1 2 2 Minimum water content l 50 207 207 222 222 40 40 Condenser Type Coil type Al Cu Hydraulic connections Type Gas thre male To be welded...

Page 41: ...q Evaporator Type Plate type Number 1 1 1 1 1 1 1 Minimum water content l 26 26 33 40 40 40 50 Condenser Type Coil type Al Cu Hydraulic connections Type Gas threaded male type Inlet diameter inch 3 3...

Page 42: ...4 4 4 4 Start up type Y q Part Winding Evaporator Type Plate type Number 1 1 2 2 2 2 Minimum water content l 50 50 26 26 33 33 40 40 40 40 Condenser Type Coil type Al Cu Hydraulic connections Type Gas...

Page 43: ...Y q Evaporator Type Plate type Number 1 1 1 1 1 1 1 Minimum water content l 26 26 33 40 40 40 50 Condenser Type Coil type Al Cu Hydraulic connections Type Gas threaded male type Inlet diameter inch 3...

Page 44: ...4 4 4 4 Start up type Y q Part Winding Evaporator Type Plate type Number 1 1 2 2 2 2 Minimum water content l 50 50 26 26 33 33 40 40 40 40 Condenser Type Coil type Al Cu Hydraulic connections Type Ga...

Page 45: ...ure in the room the type of insulation and the cable laying the maximum length of the power supply line SLS ELN 1202 1402 1602 1802 1902 2002 2202 2402 Nominal voltage V ph Hz 400 10 3 50 Nominal powe...

Page 46: ...oning of the unit s power cables is the responsibility of the installer who shall consider the rating the maximum working temperature in the room the type of insulation and the cable laying the maximu...

Page 47: ...25 1 25 1 25 1 25 1 25 Max absorbed current per fan A 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 Standard fans SLS ELN 2602 3002 3402 3802 4202 3804 4004 Power supply V ph Hz 400 10 3 50 Number n 10 12 12 14 16...

Page 48: ...400 400 500 400 Wire cross area 1 mm2 2x150 2x185 2x240 2x240 2x120 2x120 2x150 2x120 1 The dimensioning of the unit s power cables is the responsibility of the installer who shall consider the ratin...

Page 49: ...16 2x129 2x140 2x150 2x169 Max current FLA A 2x96 2x124 2x140 2x162 2x168 2x180 2x196 Max start up current LRA A 2x373 2x280 2x351 2x423 2x495 2x520 2x276 Oil treater power input W 200 200 200 200 200...

Page 50: ...power per fan kW 1 25 1 25 1 25 1 25 1 25 1 25 1 25 Max absorbed current per fan A 2 3 2 3 2 3 2 3 2 3 2 3 2 3 Standard fans SLH ELN 2402 2602 2804 3204 3604 3804 Power supply V ph Hz 400 10 3 50 Num...

Page 51: ...LN HET Electrical Board COMPRESSORS SIDE ELECTRICAL BOARD P1 P3 P5 P2 P4 P6 c e b b e c a Electrical Board COMPRESSORS SIDE ELECTRICAL BOARD P1 P3 P5 P7 P2 P4 P6 P8 c b e d a P1 P10 Unit position SLS...

Page 52: ...02 802 802 9520 9620 2250 1583 1208 1233 615 854 4146 SLS Al Cu Distribution Weights kg Shipping Weight kg Operat Weight kg Position P1 P12 Barycentre Position F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 k...

Page 53: ...753 753 753 8955 9035 2250 1583 1208 615 889 4200 SLH Al Cu Distribution Weights kg Shipping Weight kg Operat Weight kg Position P1 P8 Barycentre Position F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 kg kg...

Page 54: ...3 Technical data 8 5 Overall dimensions SLS SLH 1202 BLN LN 2200 2550 130 4030 600 245 628 SLS SLH 1402 1602 BLN LN SLS SLH 1202 1402 ELN HET 130 2550 2200 4030 628 245 600 Manuale SLS SLH2 2 8 2005 1...

Page 55: ...ata SLS SLH 1602 1802 ELN HET SLS SLH 1802 1902 2002 BLN LN 2200 130 2550 4030 600 628 245 SLS SLH 1902 2202 ELN HET SLS SLH 2202 2402 2602 BLN LN 2200 130 2550 6030 600 628 245 Manuale SLS SLH2 2 8 2...

Page 56: ...English Page 55 Technical data SLS SLH 2002 2402 2602 ELN HET 130 2200 2550 6030 600 628 245 SLS 3002 BLN LN 2200 170 2550 6030 2200 1800 461 Manuale SLS SLH2 2 8 2005 12 23 Pagina 55...

Page 57: ...Page 56 Technical data SLS 3002 3402 ELN HET SLS 3402 BLN LN 2200 170 2550 6030 2200 1800 460 SLS 3802 BLN LN 2200 170 2550 460 1800 2200 8040 Manuale SLS SLH2 2 8 2005 12 23 Pagina 56...

Page 58: ...English Page 57 Technical data SLS 3802 ELN HET SLS 4202 BLN LN 2200 170 2550 460 1800 2200 8040 SLS 4202 ELN HET 2200 170 2550 460 1800 2200 8040 Manuale SLS SLH2 2 8 2005 12 23 Pagina 57...

Page 59: ...4 BLN LN ELN HET SLH 3204 BLN LN SLH 3204 ELN HET SLH 3604 3804 BLN LN ELN HET 2200 130 2550 245 628 600 4023 8405 8040 2200 130 2550 245 628 600 4023 8405 8040 Auxiliary Electrical Board Manuale SLS...

Page 60: ...English Page 59 Technical data SLS 3804 4004 BLN LN ELN HET 2200 130 2550 245 628 600 4023 8070 Auxiliary Electrical Board Main Electrical Board Manuale SLS SLH2 2 8 2005 12 23 Pagina 59...

Page 61: ...2 2 2 2 1 5 1 5 1 5 1 5 1 0 2 1 5 1 5 2 Arrangement 2 m 2 2 2 2 2 2 1 5 2 1 5 1 0 2 2 2 2 2 A wall only may be higher that the units The area between the walls must be kept free from any obstacle whic...

Page 62: ...incurred to repair the ap pliance in its original state The provisions of this section apply only to standard units according to the order requirements other documentation may be added concerning any...

Page 63: ...rs h Check the acidity of the oil every year h After 8000 hours of work carry out a visual in spection on the suction discharge valves for wear If necessary replace these components If com pressors ar...

Page 64: ...th er day 9 9 Thermostatic expansion valve The circuit of the unit is equipped with a thermostatic expansion valve with external equalizer The valve is shop calibrated for an overheating of 5 C Proced...

Page 65: ...se overheating Check the charge Excessive noise Vibration of lines Check the clamping brackets if any Whistler emitted by the thermostatic expansion valve Refill Check the dehydrating filter Noisy com...

Page 66: ...distribution network inform the Energy Distributor Short circuit of the compressor s motor Check the continuity of the winding Seized compressor Replace the compressor Identify and remove the leak In...

Page 67: ...Set of compressor contactors 1 Fan s contactor 1 Water sensor 1 Air sensor 1 HP pressure transductor 1 LP pressure transductor 1 Electronic card 1 Keyboard 1 Compressor oil resistor 1 11 2 Oil for com...

Page 68: ...ion valves are installed on the cooler it might be necessary to drain the com plete hydronic system If no shutoff valves have been provided it may be necessary to drain the whole plant If a glycoled s...

Page 69: ...oduct improvement programme our products are subject to change without prior notice Non contractual photos Wesper S A S 42 cours Jean Jaur s 17800 PONS FRANCE 33 5 46 92 33 33 33 5 46 91 38 33 www wes...

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