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RGA ST

AIR COOLED WATER CHILLERS WITH AXIAL FANS

53.5 ÷ 200 kW IN COOLING MODE

INSTALLATION AND OPERATION MANUAL

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Summary of Contents for RGA ST

Page 1: ...RGA ST AIR COOLED WATER CHILLERS WITH AXIAL FANS 53 5 200 kW IN COOLING MODE INSTALLATION AND OPERATION MANUAL F R I G E R A N T G R E F R I G E R A N T G A S E C O FRIEND L Y E C O FRIEND L Y...

Page 2: ...sschlie lichen Verantworfung da die genannte Maschine den Bestimmungen der folgenden EG Richtlinien entspricht Nous soussign s d clarons sous notre enti re responsabilit que la machine en objet est co...

Page 3: ...NGER 22 MAXIMUM VOLUME OF WATER 23 MAXIMUM WATER VOLUME OF THE SYSTEM WITH HYDRONIC KIT 23 DIMENSIONAL DATA 24 OVERALL DIMENSIONS 24 DESCRIPTION OF THE COMPONENTS 25 MINIMUM SPACE REQUIRED FOR OPERATI...

Page 4: ...rom failure of the information in this manual to correspond to the actual machine in your possession Proper uses this series of chillers is designed to produce cold or hot water for use in hydronic sy...

Page 5: ...l fans with profiled blades to contain noise and with thermal protection built in on board electrical control panel equipped with control system to manage the main functions During the design of the u...

Page 6: ...wer the auxiliary circuit 2c The microprocessor monitoring section includes User interfacing terminal with display On off key Operating mode selector key Compressor on off display LED Operational mode...

Page 7: ...maximun protec tion against adverse weather conditions 5 Evaporator of the shell and tube heat exchanger type made of carbon steel and optimized for operation with R410A Features high efficiency groo...

Page 8: ...it will block and can only be restarted by resetting via the user interface terminal 14 Water differential pressure switch This is standard supply and is installed on the connections between the water...

Page 9: ...t ON OFF and to reset the alarms Mode ON OFF keys used to access and quit the various menu levels UP key scrolls forwards through the menu items or increases the value of a parameter Tasto DOWN scroll...

Page 10: ...3 98 4 04 3 96 3 95 4 00 3 95 3 94 3 92 3 90 3 93 3 94 Water flow rate 1 2 56 2 80 3 29 3 76 4 35 4 87 5 35 6 02 6 83 7 55 8 60 9 56 l s Water pressure drops 1 29 35 45 60 50 31 37 53 70 82 57 40 kPa...

Page 11: ...0 7 15 4 75 3 17 7 71 2 19 5 66 9 21 5 62 2 23 7 57 6 25 8 52 9 27 9 7 83 1 15 5 77 5 17 9 73 3 19 7 68 8 21 7 64 0 23 9 59 3 26 1 54 5 28 2 8 85 4 15 7 79 7 18 1 75 4 19 9 70 7 21 9 65 8 24 2 61 0 26...

Page 12: ...68 31 9 157 36 7 148 40 4 139 44 5 129 49 1 120 53 5 110 57 9 7 173 32 2 161 37 0 152 40 8 143 45 0 133 49 6 123 54 1 113 58 5 8 178 32 6 166 37 5 157 41 3 147 45 5 137 50 1 127 54 7 9 182 32 9 170 37...

Page 13: ...flow rate 1 2 48 2 71 3 19 3 65 4 21 4 71 5 21 5 83 6 64 7 31 8 31 9 27 l s Water pressure drops 1 27 33 42 57 47 29 35 50 66 77 53 38 kPa Compressor Heat Exchanger Coil Water Storage Tank SAA accesso...

Page 14: ...7 49 9 28 8 6 78 2 16 0 73 0 18 4 69 1 20 3 64 8 22 4 60 3 24 7 55 8 26 9 51 3 29 1 7 80 5 16 2 75 2 18 6 71 1 20 5 66 7 22 6 62 1 25 0 57 5 27 2 52 8 29 4 8 82 8 16 4 77 3 18 8 73 1 20 8 68 6 22 9 6...

Page 15: ...8 113 55 4 104 59 9 6 163 33 3 152 38 3 144 42 2 135 46 5 126 51 3 116 55 9 107 60 5 7 168 33 6 157 38 7 148 42 6 139 47 0 129 51 8 120 56 5 110 61 1 8 173 34 0 161 39 1 152 43 1 143 47 5 133 52 4 123...

Page 16: ...1 2 56 2 62 2 53 2 68 2 55 2 53 2 52 2 53 2 53 2 51 2 52 ESEER 3 61 3 53 3 61 3 50 3 69 3 52 3 49 3 47 3 49 3 49 3 47 3 48 Water flow rate 1 2 42 2 65 3 12 3 56 4 12 4 60 5 06 5 69 6 45 7 17 8 12 9 03...

Page 17: ...7 2 48 8 29 4 6 76 5 16 4 71 4 18 8 67 5 20 7 63 4 22 9 58 9 25 2 54 6 27 5 50 1 29 7 7 78 7 16 5 73 5 19 0 69 5 21 0 65 2 23 1 60 7 25 5 56 2 27 8 51 6 30 0 8 80 9 16 7 75 6 19 2 71 4 21 2 67 0 23 4...

Page 18: ...9 110 56 6 101 61 2 6 158 34 0 148 39 1 140 43 1 131 47 5 122 52 4 113 57 1 104 61 8 7 163 34 4 152 39 5 144 43 6 135 48 0 126 52 9 116 57 7 107 62 4 8 168 34 7 156 40 0 148 44 0 139 48 6 129 53 5 12...

Page 19: ...22 1 38 Percentage Of glycol in mass volume 0 0 10 8 9 20 18 1 30 27 7 40 37 5 Freezing point C 0 3 2 8 14 22 Cooling capacity CCPF Power input CCPA 1 00 0 99 0 98 0 97 0 95 Compressor power input CC...

Page 20: ...83 3 80 4 76 8 68 3 59 0 96 86 67 59 54 145 94 2 91 9 89 4 85 3 81 0 74 6 67 0 58 6 97 87 68 60 55 160 94 2 91 9 89 4 85 3 81 0 74 6 67 0 58 6 97 87 68 60 55 180 92 4 90 1 88 6 86 0 83 2 77 8 71 2 62...

Page 21: ...ead limit values of the unit OPERATING RANGE Thermal Water Head Limit value Minimum C 3 Maximum C 8 Note Make sure the water flow is within the minimum and maximum pressure drop as reported water pres...

Page 22: ...ration range Unit Size 50 60 70 80 90 100 115 130 145 160 180 200 UM NOTES Graph reference 1 2 3 4 5 6 Q Water flow rate p Water pressu re drop Lower limit value Q 1 50 1 50 1 50 1 50 1 94 2 77 2 77 2...

Page 23: ...3 x100 kPa NOTE In case A make sure that the user s lowest point is able to withstand the global pressure Tab 1 NOTE If the unit operates with brine calculate the real volume of the system by taking i...

Page 24: ...5 256 1849 375 169 234 70 1754 176 1 1 1 6 7 2 8 2 8 2 8 6 7 6 7 4 3 5 3 5 3 5 4 4 4097 6 7 4 3 5 1 2 8 169 234 70 1104 2193 25 1047 25 1097 502 1550 4076 1661 363 Mod 50 60 70 80 Mod 90 100 Mod 115 1...

Page 25: ...1600 2000 1 Access panel to electric panel s power section 2 Access panel to compressor compartment 3 Vibration damper fixing holes 4 pcs 4 Coil protection grilles accessory 5 65 mm lifting holes 6 22...

Page 26: ...vibration dampening materials should be inserted under the bearing points The unit can be supplied with the rubber or spring vibration dampening accessory This must be mounted by the installer Area of...

Page 27: ...682 90 467 1235 920 484 1249 940 100 449 1180 1002 465 1195 1023 115 463 1199 1115 482 1215 1145 130 458 1187 1143 476 1203 1172 145 457 1175 1198 475 1191 1227 160 470 1185 1247 470 1185 1260 180 46...

Page 28: ...220 696 417 935 286 110 85 222 703 90 465 1263 364 185 135 263 947 481 1277 360 187 145 276 968 100 447 1208 422 195 131 284 1032 462 1222 416 198 141 298 1052 115 461 1224 453 216 154 323 1147 479 12...

Page 29: ...e in between to separate the truck from the unit in order to prevent the surfaces of the bank or electric panel from being damaged if the unit has to be moved sideways Fig 1 Do not allow the unit or a...

Page 30: ...casing protected against adverse weather conditions They can be inspected through the screen printed front door The door is locked by the door locking mechanism of the main circuit breaker The poweri...

Page 31: ...connected straight to the ground screw identified by code PE which ensures the equipotential connection of all metal grounding points and structural parts of the machine Neutral conductor The neutral...

Page 32: ...o make sure that the air venting valves can be accessed through the insulation Do not forget to install or at least allow for the installation of pressure and temperature reading instruments on the in...

Page 33: ...n the plumbing system In the same way he must install a water drain valve in order when necessary to drain the unit s plate exchanger completely espe cially during the winter in order to prevent freez...

Page 34: ...esuperheater see diagram the graph on the right shows the type of adjustment to use QA QAB 30 c 0 35 c QB 100 Desuperheater INLET temperature WATER FLOW RATE Plumbing connection with Victaulic couplin...

Page 35: ...eal on the back on the side flanks and on the inner lips that contact the pipe Work in conditions of the utmost cleanliness as particles of dirt could damage the seal Always and only use synthetic gre...

Page 36: ...ESSURE SOCKET 1 4 SAE WITOUT CORE LIQUID BALL VALVE COMPRESSOR OUTLET BALL VALVE WATER INLET PROBE LIQUID PROBE PLATE HEAT EXCHANGER WATER OUTLET PROBE CHARGING TUBE FAN Description PRESSURE SOCKET 1...

Page 37: ...tself and obtained by pressing the button an associated function indicated on the front of the instrument at the corresponding button and obtained by prolonged pressing 3 seconds of the button a combi...

Page 38: ...mat 24 00 Centigrade degrees Red Unit of measure of selected parameter Bar Red not used Relative humidity Red not used Menu Red Menu browsing Users Compressor 1 Amber User activated Safety timing Comp...

Page 39: ...n direct function Ai AiL1 Display input AI1 AiL2 Display input AI2 AiL3 Display input AI3 AiL4 Display input AI4 AiL5 Display input AI5 Di DiL1 Display input DI1 DiL2 Display input DI2 DiL3 Display in...

Page 40: ...nt in heating tr21 Minimum set point in heating tr22 Maximum set point in heating tr23 Hysteresis in heating tr25 Differential set point in heating Pi Pi01 Interval of inactivity pump anti lock Pi03 M...

Page 41: ...tions profile 1 2 3 tE 32 60 88 Event 4 Minutes selections profile 1 2 3 tE 33 61 89 Event 4 Operation mode selections On Standby profile 1 2 3 tE 34 62 90 Event 4 Set point cool profile 1 2 3 tE 35 6...

Page 42: ...nly be carried out by an authorised service centre or by competent personnel Digital inputs DI1 TC1 Thermal switch compressor 1 thermo statted delivery 1 high pressure switch Digital input with voltag...

Page 43: ...rol of single phase fans in phase cut AO4 VE Fans signal 0 10V for control of three phase fans in phase cut AO5 MP1M Inverter pump signal 4 20mA for inverter control pump Digital outputs DO1 CP1 Compr...

Page 44: ...shing and the Alarm digital output is disabled This operation does not affect the alarm in progress Number of events per hour The counting of events per hour is provided for some alarms if the number...

Page 45: ...68 Outside air probe fault When the alarm is activated climate adjustment in heating and dynamic defrost are unavailable Er90 Maximum number of recordings in alarms history exceeded Indicates that the...

Page 46: ...r Hi02 enables operation of the electrical elements supplementing the heat pump when it assumes value 1 The heating elements are activated according to a two step logic depending on the unit inlet wat...

Page 47: ...nagement time For each day of the week you can select one of the 3 time zone available For each time zone you can associate 4 events The parameters involved in time events are described below Event ho...

Page 48: ...C tE 28 40 set point heat 40 C EVENT 4 unit in stand by tE 31 18 hour tE 32 00 minutes tE 33 1 stand by unit is in stand by pay attention 0 ON 1 stand by tE 34 12 set point cool 12 C tE 35 40 set poin...

Page 49: ...03 1 CL33 0 CL53 21 input active close contact close contact Demand Limit 50 Economy digital input CL03 1 CL33 0 CL53 22 input active close contact close contact economy AI5 S2 Not configured CL04 0 C...

Page 50: ...0578 23 10 9152 43 5 1671 4 22 2115 24 10 5146 44 4 9774 5 21 3963 25 10 1287 45 4 7948 6 20 6110 26 9 7569 46 4 6188 7 19 8546 27 9 3988 47 4 4493 8 19 1259 28 9 0539 48 4 2860 9 18 4239 29 8 7216 4...

Page 51: ...X 1 must appear in the message Some registers contain more than one piece of information in this case the bits representing the resource value are identified by means of the number of bits used Bit nu...

Page 52: ...0 1 0 N 0 flag Er05 Alarm low pressure sequence meter fan thermal switch R 33104 5 H0150 1 5 N 0 flag Er10 Alarm compressor 1 thermal protection thermostatted delivery 1 High pressure R 33105 2 H0151...

Page 53: ...l Clean the aluminium surface of the coil with a compressed air jet making sure to aim the jet with the direction of fins so as to avoid damage If the aluminium fins are damaged comb the coil with a s...

Page 54: ...re listed in the following table along with the instruc tions on how to neutralize them Part in question Residue hazard Mode Precautions Compressor and delivery pipe Burns Contact with the pipes and o...

Page 55: ...ated rooms Do not breathe vapours or aerosols Carefully close the containers and keep them in a cool dry and well ventilated place Keep in the original containers Incompatible products Explosives flam...

Page 56: ...gh concentration Keep in a well ventilated place Do not breathe the gas The risk of suffocation is often underestimated and must be clearly explained during the training of operators Ensure compliance...

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Page 59: ...Cod 3QE29130 Ferroli spa 37047 San Bonifacio Verona Italy Via Ritonda 78 A tel 39 045 6139411 fax 39 045 6100933 www ferroli it...

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