Blue Box SIGMA 2002 Installation, Installation, Operating, Operating, And Maintenance Manual Download Page 120

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Blue Box - 114

150

750

300

750

150

2100

630

690

750

FORI DI FISSAGGIO

FIXING HOLES

G..

PUNTI DI APPOGGIO ANTIVIBRANTI

VIBRATION DAMPER FOOT HOLDS

Ø18

IMPRONTA A TERRA / FOOT PRINT

MODELLO

PESO(Kg)

PESO IN FUNZIONE(Kg)

G1(Kg)

G2(Kg)

G3(Kg)

G4(Kg)

MODEL

WEIGHT(Kg)

OPERATING WEIGHT(Kg)

SIGMA/LN 16.4

1058

1098

160

108

113

168

SIGMA/LN 18.4

1200

1248

189

119

122

194

SIGMA/LN 20.4

1341

1396

203

144

146

205

SIGMA/LN 24.4

1357

1416

204

146

149

209

SIGMA/LN 26.4

1401

1470

207

149

159

220

SIGMA/LN/H 16.4

1058

1098

160

108

113

168

SIGMA/LN/H 18.4

1200

1248

189

119

122

194

SIGMA/LN/H 20.4

1341

1396

203

144

146

205

SIGMA/LN/H 24.4

1357

1416

204

146

149

209

SIGMA/LN/H 26.4

1401

1470

207

149

159

220

SIGMA/LC/LN 16.4

974

994

162

155

SIGMA/LC/LN 18.4

1106

1130

183

109

102

171

SIGMA/LC/LN 20.4

1229

1254

197

131

119

180

SIGMA/LC/LN 24.4

1237

1266

198

131

121

183

SIGMA/LC/LN 26.4

1261

1292

202

131

123

190

SIGMA/LC/HP/LN 16.4

1009

1028

167

159

SIGMA/LC/HP/LN 18.4

1154

1178

190

115

107

177

SIGMA/LC/HP/LN 20.4

1277

1304

204

137

125

186

SIGMA/LC/HP/LN 24.4

1285

1312

205

137

126

188

SIGMA/LC/HP/LN 26.4

1445

1506

206

161

169

217

SIGMA/LC/DC-DS/LN 16.4

1083

1120

177

103

177

SIGMA/LC/DC-DS/LN 18.4

1225

1272

199

121

120

196

SIGMA/LC/DC-DS/LN 20.4

1366

1418

214

145

141

209

SIGMA/LC/DC-DS/LN 24.4

1382

1440

216

146

144

214

SIGMA/LC/DC-DS/LN 26.4

1426

1492

221

148

151

226

SIGMA/LE/LN 16.4

981

1006

149

107

103

144

SIGMA/LE/LN 18.4

1105

1130

174

118

110

163

SIGMA/LE/LN 20.4

1237

1266

186

143

132

172

SIGMA/LE/LN 24.4

1245

1278

186

145

135

173

SIGMA/LE/LN 26.4

1265

1306

186

149

141

177

SIGMA/LE/HP/LN 16.4

1009

1026

154

109

104

146

SIGMA/LE/HP/LN 18.4

1154

1176

181

123

115

169

SIGMA/LE/HP/LN 20.4

1277

1302

193

147

135

176

SIGMA/LE/HP/LN 24.4

1285

1314

193

149

137

178

SIGMA/LE/HP/LN 26.4

1309

1342

193

153

144

181

SIGMA/LE/DC-DS/LN 16.4

1091

1134

164

118

119

166

SIGMA/LE/DC-DS/LN 18.4

1224

1274

190

130

129

188

SIGMA/LE/DC-DS/LN 20.4

1374

1434

204

157

155

201

SIGMA/LE/DC-DS/LN 24.4

1390

1454

205

159

204

SIGMA/LE/DC-DS/LN 26.4

1430

1506

206

165

170

212

SIGMA/HP/LN 16.4

1061

1096

162

107

111

168

SIGMA/HP/LN 18.4

1211

1256

190

120

123

195

SIGMA/HP/LN 20.4

1343

1392

204

143

144

205

SIGMA/HP/LN 24.4

1359

1410

205

145

147

208

SIGMA/HP/LN 26.4

1407

1468

208

149

157

220

SIGMA/HP/DS/LN 16.4

1116

1158

163

111

123

182

SIGMA/HP/DS/LN 18.4

1266

1318

191

123

135

210

SIGMA/HP/DS/LN 20.4

1406

1468

206

147

159

222

SIGMA/HP/DS/LN 24.4

1422

1486

207

149

162

225

SIGMA/HP/DS/LN 26.4

1470

1544

210

153

172

237

SIGMA/DC-DS/LN 16.4

1168

1226

175

119

129

190

SIGMA/DC-DS/LN 18.4

1319

1388

204

131

140

219

SIGMA/DC-DS/LN 20.4

1478

1560

220

158

168

234

SIGMA/DC-DS/LN 24.4

1502

1590

222

160

173

240

SIGMA/DC-DS/LN 26.4

1566

1670

227

166

187

255

DIMENSIONS, WEIGHTS AND HYDRAULIC CONNECTIONS

SIGMA 2002 - FOOTPRINT - MODELS 16.4 - 26.4

Summary of Contents for SIGMA 2002

Page 1: ...contained self contained self contained self contained self contained Installation Installation Installation Installation Installation operating operating operating operating operating and maintenance...

Page 2: ......

Page 3: ...low noise unit 3 REFRIGERANT CIRCUIT ACCESSORIES 3 HYDRAULIC CIRCUIT ACCESSORIES 3 ELECTRICAL ACCESSORIES 3 VARIOUS ACCESSORIES 3 SERIES 4 TECHNICAL DATA Refrigerant R407C 5 ELECTRICAL CHARACTERISTICS...

Page 4: ...ection of Sigma 2002 LC HP units to a remote air cooled condenser 39 TABLE 3 CONNECTION PIPE EXTERNAL DIAMETERS FOR VERSIONS LC HP 40 4 10 PRESSURE RELIEF VALVES 40 4 11 WATER QUALITY 40 4 12 LOW TEMP...

Page 5: ...2 10 Compressor operation 74 8 2 11 Compressor management 75 8 2 12 High and low pressure alarms 75 8 2 13 Changeover from chiller to heat pump and vice versa 75 8 2 14 Desuperheater Option 75 8 2 15...

Page 6: ...Blue Box 12 4 ENVIRONMENTAL CONSIDERATIONS 91 13 DECOMMISSIONING THE UNIT 92 REFRIGERANT CIRCUIT DIAGRAM 93 DIMENSIONS WEIGHTS AND HYDRAULIC CONNECTIONS 105...

Page 7: ...rature probe forfreeze protection and each unit is equipped as standard with a mechanical flow switch REFRIGERANT CIRCUIT Comprising liquid valve charge connection liquid sight glass filter dryer ther...

Page 8: ...d is designed to be connected to a remotely located air cooled condenser SIGMA 2002 LC HP motoevaporating unit The unit is supplied without a water cooled condenser and is designed to be connected to...

Page 9: ...ating limits remain unchanged and are as per the catalogue If glycol is used in a sufficient percentage to avoid freezing the lower limit of the leaving water is extended to a minimum of 5 C Condenser...

Page 10: ...ectrical board IP E Schrank IP tableau electrique Tensione circuiti ausiliari Auxiliary circuit voltage Steuerspannung Tension circuits auxiliares Matricola Serial number BBOX Matrikel Matricule Corre...

Page 11: ...0 Condenser pressure drop kPa 72 5 65 9 57 51 5 Evaporator water flow l s 1 843 2 216 2 59 2 997 l h 6 636 7 979 9 324 10 788 Evaporator pressure drop kPa 21 2 20 9 22 15 3 Compressors type Quantity n...

Page 12: ...denser pressure drop kPa 50 5 50 2 59 3 53 4 Evaporator water flow l s 3 404 3 91 4 615 5 32 l h 12 253 14 075 16 613 19 150 Evaporator pressure drop kPa 14 8 15 4 15 6 16 8 Compressors type Quantity...

Page 13: ...ndenser pressure drop kPa 51 1 53 1 50 5 50 2 Evaporator water flow l s 5 939 6 559 6 807 7 82 l h 21 382 23 613 24 506 28 150 Evaporator pressure drop kPa 18 1 16 4 14 8 15 4 Compressors type Quantit...

Page 14: ...ssure drop kPa 59 3 53 4 51 1 53 1 Evaporator water flow l s 9 229 10 639 11 879 13 118 l h 33 226 38 301 42 763 47 225 Evaporator pressure drop kPa 15 6 16 8 18 1 16 4 Compressors type Quantity n Ref...

Page 15: ...02 12 2 13 2 14 4 16 4 Maximum absorbed power 1 kW 51 6 56 6 60 4 72 4 Maximum starting current A 320 339 237 280 Full load current 2 A 119 138 116 140 Power supply V f Hz Control power supply V f Hz...

Page 16: ...1 15 2 Absorbed power heating kW 12 4 14 8 16 7 19 3 Capacity steps 0 50 100 0 50 100 0 50 100 0 50 100 Refrigerant charge Chiller version kg 1 x 3 8 1 x 4 8 1 x 5 9 1 x 8 5 Heat pump version kg 1 x 4...

Page 17: ...23 8 27 6 Absorbed power heating kW 22 25 3 30 1 34 9 Capacity steps 0 50 100 0 50 100 0 50 100 0 50 100 Refrigerant charge Chiller version kg 1 x 9 9 1 x 11 4 1 x 12 9 1 x 15 9 Heat pump version kg...

Page 18: ...33 5 34 8 40 1 Absorbed power heating kW 38 8 42 7 43 9 50 6 Capacity steps 0 50 100 0 50 100 0 50 100 0 25 50 75 100 Refrigerant charge Chiller version kg 1 x 17 4 1x 20 7 2 x 9 9 2x 11 4 Heat pump...

Page 19: ...1 Absorbed power heating kW 60 3 69 9 77 7 85 5 Capacity steps 0 25 50 75 100 0 25 50 75 100 0 25 50 75 100 0 25 50 75 100 Refrigerant charge Chiller version kg 2 x 12 9 2 x 15 9 2 x 17 4 2 x 20 7 He...

Page 20: ...2 12 2 13 2 14 4 16 4 Maximum absorbed power 1 kW 50 6 55 4 57 6 68 Maximum starting current A 320 339 237 280 Full load current 2 A 119 138 116 140 Power supply V f Hz Control power supply V f Hz 400...

Page 21: ...8000 dB dB dB dB dB dB dB Total dB A SIGMA 2002 LN Lw Lp Lw Lp Lw Lp Lw Lp Lw Lp Lw Lp Lw Lp Lw Lp Lw Lp 3 2 85 8 70 7 75 5 60 3 67 9 52 7 65 8 50 6 62 1 46 9 58 7 43 5 55 2 40 0 50 2 35 0 68 8 53 6 4...

Page 22: ...times All work on the unit must be performed by qualified personnel Before working on the unit ensure that the designated personnel are conversant with the documentation supplied Always ensure there i...

Page 23: ...enance Surfaces sharp corners edges In the interior parts of the unit it is not possible to completely eliminate risks derived from the presence of surfaces sharp corners and edges For this reason the...

Page 24: ...zard Solution adopted Operating regime Maintenance Contact with live electrically components direct contact Operating regime Maintenance Elements carrying electrical current in the case of faults Oper...

Page 25: ...physician after significant exposure Do not give adrenaline or similar drugs Ingestion Do not induce vomiting without medical advice Call a physician immediately Do not give drugs from adrenaline eph...

Page 26: ...thane 1000 ppm TWA AIHA 9 1 Stability Stable at normal conditions No decomposition if stored and applied as directed Decomposition starting from 250 C 9 2 Conditions to avoid Do not expose to temperat...

Page 27: ...t medical advice Call a physician immediately Do not give drugs from adrenaline ephedrine group 4 FIRST AID MEASURES 4 1 General advice Consult a physician alter significant exposure 5 1 Suitable exti...

Page 28: ...3 Exposure limit s Chlorodifluoromethane 3600 mg m3 1000 ppm TLV 9 1 Stability Stable 9 2 Conditions to avoid Keep well clear of naked flame and sparks Do not smoke If burned the product can give off...

Page 29: ...e must be verbally described to the carrier and recorded on the Delivery Note before it is signed by both parties Blue Box or their Agent must be informed as soon as possible of the extent of the dama...

Page 30: ...not allow the unit to slip from chains and slings and does not allow the unit to turn over or slide from lifting devices Figure 1 2 m min 2 m min 2 m min Side protection not supplied Side protection n...

Page 31: ...to reduce their environmental impact 3 4 LOCATION The unit is suitable for inside locations where the temperature never falls below 4 C Unit vibration is very low However it is advisable to fit a rig...

Page 32: ...tors for units installed in the basement or ground floors in contact with the earth and spring isolators for units installed on intermediate floors The anti vibration isolators must be installed befor...

Page 33: ...ng circuit refer to the diagrams included in this manual Piping should be connected to the unit with flexible joints to avoid vibration transmission and allow for thermal expansion the same procedure...

Page 34: ...TS SIGMA 2002 LEGEND 1 Circulating pump 2 Expansion tank 3 Safety valve 4 Check valve 5 Ball valve 6 Tank 7 Water gauge 8 Thermometer 9 Water filter 10 Vent valve 11 Flexible connection 12 System fill...

Page 35: ...circuit with a storage vessel to increase the volume tank circuit to match the result of the formula The chilled water piping and storage vessel must be insulated to prevent condensation on the pipe s...

Page 36: ...kend pause The pressostatic valve is absolutely necessary if the tower water entering into the condenser can decrease below 20 C see figure 5 The pressostatic valve must provide a condensing pressure...

Page 37: ...2 3 way valve A three way modulating valve with temperature probe fitted on the condenser water inlet can be provided instead of the pressostatic valve to maintain the inlet condenser water temperatur...

Page 38: ...ed as labelled on the unit In this way the system will be kept under optimal operating parameters See paragraph 4 5 In HP version units the hydraulic connections of the desuperheater must be isolated...

Page 39: ...gresso acqua recupero Uscita acqua recupero Condenser water inlet Condenser water outlet Figure 7 1 Heat recovery condenser 2 Main condenser 3 3 way valve 4 Circulating pump 5 3 way valve DIAGRAM WITH...

Page 40: ...e evaporator male threaded water outlet labelled with Figure 9 For HEAT PUMP units repeat the operation and screw the T shaped brass manifold on which the second flow switch is mounted into the conden...

Page 41: ...ied in a plastic cover to protect the flow switch shaft Connect the flow switch to the other end of the T manifold Route the flow switch electrical cable through the hole in the unit structure and run...

Page 42: ...cannot be adhered to contact Blue Box for further information 4 9 3 Procedures to follow when sizing refrigerant lines Depending on the relative position of the sections there are certain procedures...

Page 43: ...g the operation of the thermostatic valve c Horizontal sections of the suction line should follow a grade of at least 1 to facilitate oil return to the compressor TABLE 1 EXTERNAL PIPE DIAMENTERS FOR...

Page 44: ...rainage in the correct direction of the flow d Install a non return valve close to condenser inlet to avoid liquid refrigerant entering the compressor during unit shutdown This must be done with the u...

Page 45: ...e condenser is not supplied by Blue Box the defrost is controlled only by the evaporating pressure for more information see the paragraph Defrost and there is not a temperature sensor on the remote co...

Page 46: ...electrical conductivity ammonia ion content sulphur and chloride content total hardness etc and where necessary provide chemical treatment TABLE 3 CONNECTION PIPE EXTERNAL DIAMETERS FOR VERSIONS LC H...

Page 47: ...nits with special pump seals must be used 4 12 LOW TEMPERATURE WATER AT CONDENSER The units are not designed to operate with a condenser cooling water temperature below 20 C Below this limit the unit...

Page 48: ...th glycol and water mixture Leaving condenser water temperature C Leaving chilled water temperature C Leaving source water temperature C Leaving warm water temperature C 1 Raffreddamento Cooling 10 5...

Page 49: ...sult in a temperature difference of 7 C or a pressure drop of no less than 10 kPa Lower flow rates would lead to excessively low evaporation temperatures or to high condensing temperatures with conseq...

Page 50: ...0 30 50 60 70 80 90 100 40 2 16 4 4 10 6 8 14 4 18 4 20 4 9 24 4 26 4 1214 161820 25 22 7 11 Portata acqua l s Water Flow Perdita di carico Kpa Pressure drop The water temperature rise for all version...

Page 51: ...2 14 16 18 20 13 2 Portata acqua l s Water Flow Perdite di carico Kpa Pressure drop 20 30 50 60 70 80 90 100 40 2 16 4 4 10 6 8 14 4 18 4 20 4 24 4 26 4 12 14 161820 25 22 Portata acqua l s Water Flow...

Page 52: ...orrect phase sequence Cable power inlet into the electric panel Models from 3 2 to 13 2 from the left side of electric panel Models from 14 4 to 26 4 from the top of electric panel The control circuit...

Page 53: ...to terminals 14 15 4 16 6 External interlock If a remote ON OFF is required connect the external interlock to terminals 1 and 2 If an external interlock is not required bridge therminals 1 and 2 to en...

Page 54: ...ace board plugs into a dedicated slot on the connection board Connection to the supervision or remote diagnostics serial line is executed in compliance with standard RS485 and is achieved by means of...

Page 55: ...SEQ RELAY FUSES FU50 FUSES AUX TRANSFORMER FU51 AUX CIRCUIT FUSES FU52 FUSE CONTROL KA5 PHASE SEQUENCE RELAY TC1 AUX TRANSFORMER KA1 VOLTAGE RELAY KM1 CONTACTOR COMPRESSOR 1 KM2 CONTACTOR COMPRESSOR 2...

Page 56: ...COMPRESSOR 1 FU2 FUSES COMPRESSOR 2 FU3 FUSES COMPRESSOR 3 FU4 FUSES COMPRESSOR 4 QS1 MAIN SWITCH FU56 PHASE SEQ RELAY FUSES FU50 FUSES AUX TRANSFORMER FU52 FUSE CONTROL TC1 AUX TRANSFORMER A5 PHASE S...

Page 57: ...RRECT 4 KM21 CONTACTOR FAN 1 KM22 CONTACTOR FAN 2 KM23 CONTACTOR FAN 1 HP KM24 CONTACTOR FAN 2 HP FU21 FUSES FANS 1 FU22 FUSES FANS 2 FU20 FUSES FAN SPEED CONTROL SIGMA 2002 LC SIGMA 2002 LC HP WITH A...

Page 58: ...ORRECT 1 KM42 CONTACT CAPACITOR POW FACT CORRECT 2 FU20 FUSES FAN SPEED CONTROL FU21 FUSES FAN 1 FU56 PHASE SEQ RELAY FUSES FU50 FUSES AUX TRANSFORMER FU51 AUX CIRCUIT FUSES FU52 FUSE CONTROL KA5 PHAS...

Page 59: ...TACTOR COMPRESSOR 2 KM21 CONTACTOR FAN 1 KM23 CONTACTOR FAN 1 HP FU1 FUSES COMPRESSOR 1 FU2 FUSES COMPRESSOR 2 FU20 FUSES FAN SPEED CONTROL FU21 FUSES FAN 1 FU56 PHASE SEQ RELAY FUSES FU50 FUSES AUX T...

Page 60: ...Blue Box 54 ELECTRIC PANEL LAY OUT SIGMA 2002 LC SIGMA 2002 LC HP WITH ARRANGEMENT FOR REMOTE CONDENSER AND POWER FACTOR CORRECTION CONDENSERS Models 8 2 13 2...

Page 61: ...N SPEED CONTROL FU21 FUSES FAN 1 FU22 FUSES FAN 2 FU41 FUSES CAPACITOR POW FACT CORRECT 1 FU42 FUSES CAPACITOR POW FACT CORRECT 2 A10 CONTROL BOARD ON OFF A13 THERMOSTAT COIL FU50 FUSES AUX TRANSFORME...

Page 62: ...or the unit s rated value in the event of units supplied to run on non standard power supplies If the mains voltage is subject to frequent fluctuations consult our Engineering Department to discuss t...

Page 63: ...operating anomalies 6 1 1 Display The display comprises three digits with automatic display of the decimal point During normal operation the display shows the value of the evaporator inlet water tempe...

Page 64: ...no keys are pressed in an interval of 10 seconds during parameter editing the display starts flashing If no keys have been pressed within 60 seconds after activating the programming procedure the con...

Page 65: ...de pressing this key will have no effect 6 1 8 Activation deactivation of HEATING mode winter mode Pressing the key for more than 5 seconds activates or deactivates the winter operating mode It is not...

Page 66: ...e starting to defrost the coils all the compressors are started after which the unit is switched from heat pump to cooling mode When the cycle is reversed the fans stop and the compressors force hot g...

Page 67: ...operating mode changeover should only be seasonal Frequent changeover from summer to winter operating mode and vice versa could cause damage to the compressors controller functions are activated The d...

Page 68: ...6 2 1 COOLING Press the button as shown in figure 26 6 2 2 HEATING operation in heat pump mode Press the button as shown in figure 27 6 3 STOPPING THE UNIT 6 3 1 Temporary stop The unit is stopped by...

Page 69: ...the resulting risk of compressor damage at the time of restarting 6 4 EMERGENCY STOP Emergency stops are obtained by turning the red colour main disconnect switch on the electrical panel to position 0...

Page 70: ...ed up again both the green LED and the yellow LED should light Relay KA5 with green and yellow LEDs off Check fuses FU56 If fuses are OK replace phase sequence relay B No compressor running Unit in st...

Page 71: ...ace fan if necessary E No compressor running display On with alarm A1 No consent of defrost thermostat due to insufficient water flow rate Check hydraulic circuit and wait until the water temperature...

Page 72: ...LC HP Replace pressure sensor E3 refers to compressor 1 E5 refers to compressor 2 H Unit runs with insufficient capacity Display On without Insufficient refrigerant charge Check refrigerant circuits w...

Page 73: ...clogged air flow too low version LC and LC HP Clean filters with compressed air Presence of incondensable gas in the refrigerant circuit Empty circuit apply vacuum and recharge Fans faulty version LC...

Page 74: ...place if necessary Metallic coil filter clogged air flow too low only LC HP Clean filter with compressed air Refrigerant filter clogged Check and replace if necessary Faulty water circulator pump Chec...

Page 75: ...ssary Check that the circuit has all the necessary measures to ensure oil return to the compressor Condenser entering water temperature too high Check temperature and flow of condenser entering water...

Page 76: ...E ACTION COOLING HEATING P Anomalous noise from system Compressor noisy Contact service organisation for check and replacement if necessary Thermostatic valve noisy Contact service organisation for ch...

Page 77: ...and the user interface terminal is achieved via the pLANE using the dedicated RS485 serial connector for network connections Each unit can also be connected to remote supervision and or telediagnosti...

Page 78: ...key red in the case of chiller heat pump units press these keys to select the required operating mode ON OFF key press this key to switch from Stand by to ON or vice versa Alarm key this key serves t...

Page 79: ...play indicates which of the external interlocks is not yet enabled Operation of the pump has priority to the compressors which can start only after the evaporator and condenser pumps are running 8 2 4...

Page 80: ...a compressor the microprocessor checks the value of the delivery pressure by means of the relevant transducer the status of the high pressure switch and the compressor motor windings temperature by c...

Page 81: ...an the safety value set for cooling or heating mode operation If the values are exceeded the controller immediately stops the compressor and displays a high pressure alarm The high pressure alarm can...

Page 82: ...r than the defrost end pressure the pressure switch activates the fans To reduce the air flow and obtain more efficient heating of the outer part of the coil the pressure switch signal causes the fans...

Page 83: ...when a defrost cycle terminates normally because the defrost end pressure has been reached In any event the alarms historical file will contain a record of all defrost cycles that were terminated for...

Page 84: ...gnals of the microprocessor the flow switches and the water pumps continue to be present If the unit fails to start do not change internal electrical connections on penalty of immediate invalidation o...

Page 85: ...lts are arranged in accordance with easily identifiable symptoms In relation to possible corrective action adopt the maximum attention in the operations you intend to perform as overconfidence coupled...

Page 86: ...if necessary replace burned out fuses FU50 and FU51 If fuses burn out again call for assistance Electronic control card faulty Call assistance B No compressor running Display On OFF from external cons...

Page 87: ...water flow Entering condenser water temperature too high Check hydraulic circuit of condenser The unit has an excessive refrigerant charge only version LC and LC HP Call assistance Remote condenser f...

Page 88: ...lay On unit ON with alarm Insufficient water flow to evaporator Increase water flow to evaporator and check temperature rise Exceeded Threshold Low Temperature of leaving User Water Faulty controller...

Page 89: ...e if necessary F2 No compressor running Display On unit OFF with alarm Incorrect Phase Sequence and phase sequence relay with green LED On and orange LED Off Incorrect phase sequence Invert two of the...

Page 90: ...ck refrigerant charge and call service organisation with alarm High Pressure Compressor 1 and 2 or 3 and 4 Problems at the condenser hydraulic circuit Check flow and temperature of condenser entering...

Page 91: ...ntroller faulty Call service No external consent to the compressor Check external consent of compressor L1 All compressors running Display On with alarm Compressor Maintenance Compressors specified by...

Page 92: ...SE POSSIBLE CORRECTIVE ACTION COOLING HEATING N Anomalous noise from system Compressor noisy Contact service to check and replace if necessary Thermostatic valve noisy Contact service to check and add...

Page 93: ...ressure gauge is 5 C lower than the evaporator outlet temperature Check that the refrigerant superheating is between 5 and 7 C to do this 1 measure the temperature using a contact thermometer placed o...

Page 94: ...tting C 3 6 automatic Defrost start setting bar 2 automatic Defrost end setting bar 18 automatic Defrost end thermostat setting C 5 automatic Defrost pressure switch setting bar 16 2 automatic CONTROL...

Page 95: ...rs should be done if any damage is found replace the contactors monthly Check the sight glass to verify the refrigerant charge monthly Check there is no oil leakage from compressor monthly Check there...

Page 96: ...tion of the refrigerant circuit To generate a high vacuum in the refrigerant circuit use a high vacuum pump able to reach 0 1 mbar of absolute pressure with a flow rate of 10 m3 h With this type of pu...

Page 97: ...way of the charge connection on the liquid line 12 4 ENVIRONMENTAL CONSIDERATIONS Laws governing the use of substances detrimental to the ozone layer prohibit the dispersal of refrigerant gases in the...

Page 98: ...collection centre also the compressor lubrication oil must be recovered and sent to a collection centre the structure and components if unusable must be stripped down and separated according to the ma...

Page 99: ...Blue Box 93 REFRIGERANT CIRCUIT DIAGRAM SIGMA 2002 SIGMA 2002 DC MODELS 3 2 13 2...

Page 100: ...Blue Box 94 REFRIGERANT CIRCUIT DIAGRAM SIGMA 2002 SIGMA 2002 DC MODELS 14 4 26 4...

Page 101: ...Blue Box 95 REFRIGERANT CIRCUIT DIAGRAM SIGMA 2002 HP MODELS 3 2 8 2 14 4 16 4...

Page 102: ...Blue Box 96 REFRIGERANT CIRCUIT DIAGRAM SIGMA 2002 HP MODELS 9 2 13 2 18 4 26 4...

Page 103: ...Blue Box 97 REFRIGERANT CIRCUIT DIAGRAM SIGMA 2002 LE SIGMA 2002 LE DC MODELS 3 2 26 4...

Page 104: ...Blue Box 98 REFRIGERANT CIRCUIT DIAGRAM SIGMA 2002 LE HP MODELS 3 2 26 4...

Page 105: ...Blue Box 99 REFRIGERANT CIRCUIT DIAGRAM SIGMA 2002 LC MODELS 3 2 13 2...

Page 106: ...Blue Box 100 REFRIGERANT CIRCUIT DIAGRAM SIGMA 2002 LC MODELS 14 4 26 4...

Page 107: ...Blue Box 101 REFRIGERANT CIRCUIT DIAGRAM SIGMA 2002 LC HP MODELS 3 2 13 2...

Page 108: ...Blue Box 102 REFRIGERANT CIRCUIT DIAGRAM SIGMA 2002 LC HP MODELS 14 4 26 4...

Page 109: ...Blue Box 103 REFRIGERANT CIRCUIT DIAGRAM SIGMA 2002 LC DC MODELS 3 2 13 2...

Page 110: ...Blue Box 104 REFRIGERANT CIRCUIT DIAGRAM SIGMA 2002 LC DC MODELS 14 4 26 4...

Page 111: ...H HP LE HP LE LC HP LC REFRIGERANT CONNECTION LIQUID CONDENSING WATER INLET CONNESSIONI REFRIG LIQUIDO INGRESSO ACQUA CONDENSAZIONE Cout CHILLER H HP LE HP LE LC HP LC REFRIGERANT CONNECTION DISCARGE...

Page 112: ...LC DC DS 4 2 409 419 150 72 64 133 SIGMA LC DC DS 5 2 418 430 148 71 68 143 SIGMA LC DC DS 6 2 448 463 150 79 81 153 SIGMA LC DC DS 7 2 470 487 158 82 85 162 SIGMA LE 3 2 359 363 125 72 61 105 SIGMA L...

Page 113: ...ATING REFRIGERANT CONNECTION SUCTION USER WATER INLET INGRESSO ACQUA EVAPORATORE CONNESSIONI REFRIG ASPIRAZIONE INGRESSO ACQUA UTILIZZO Rout G 2 M CHILLER HP LC LE RECOVERY WATER OUTLET USCITA ACQUA R...

Page 114: ...176 119 147 218 SIGMA DC DS 10 2 724 763 210 130 161 262 SIGMA DC DS 12 2 769 812 218 143 179 272 SIGMA DC DS 13 2 831 882 235 150 193 304 SIGMA LC DC DS 8 2 504 523 169 77 87 190 SIGMA LC DC DS 9 2 5...

Page 115: ...GMA DC DS LN 10 2 756 795 218 137 170 270 SIGMA DC DS LN 12 2 801 844 226 151 187 280 SIGMA DC DS LN 13 2 862 912 243 157 201 311 SIGMA LC DC DS LN 8 2 535 555 177 85 95 198 SIGMA LC DC DS LN 9 2 613...

Page 116: ...ONNESSIONI REFRIG ASPIRAZIONE INGRESSO ACQUA UTILIZZO Rout CHILLER HP LC LE RECOVERY WATER OUTLET USCITA ACQUA RECUPERO Rin CHILLER HP LC LE RECOVERY WATER INLET INGRESSO ACQUA RECUPERO Cout G 2 M CHI...

Page 117: ...34 198 SIGMA LC HP 14 4 764 778 252 173 144 209 SIGMA LC DC DS 14 4 831 864 267 180 168 249 SIGMA LE 14 4 742 762 215 205 167 175 SIGMA LE HP 14 4 576 591 158 142 138 153 SIGMA LE DC DS 14 4 840 878 2...

Page 118: ...IONE Cin G 2 M CHILLER H HP LE HP LE LC HP LC REFRIGERANT CONNECTION LIQUID CONDENSING WATER INLET CONNESSIONI REFRIG LIQUIDO INGRESSO ACQUA CONDENSAZIONE Uout G 2 M CHILLER HP LC HP LC LE HP LE H G 2...

Page 119: ...S 18 4 1094 1142 181 107 105 178 SIGMA LC DC DS 20 4 1235 1288 201 126 122 195 SIGMA LC DC DS 24 4 1251 1310 203 127 125 200 SIGMA LC DC DS 26 4 1295 1362 208 129 132 212 SIGMA LE 16 4 851 876 136 88...

Page 120: ...4 4 1382 1440 216 146 144 214 SIGMA LC DC DS LN 26 4 1426 1492 221 148 151 226 SIGMA LE LN 16 4 981 1006 149 107 103 144 SIGMA LE LN 18 4 1105 1130 174 118 110 163 SIGMA LE LN 20 4 1237 1266 186 143 1...

Page 121: ...L SUPPLY INLET Epf QUADRO ELETTRICO RIFASAMENTO UNITA POWER FACTOR CORRECTION ELECTRICAL PANEL 800 1626 1426 800 1056 190 70 800 300 Ep Es 519 203 200 Epf Epf 292 292 282 Epf Cin Rin Uout 978 Uin Rout...

Page 122: ...04 112 267 SIGMA LC DC DS 12 2 745 773 255 116 126 276 SIGMA LC DC DS 13 2 798 831 274 120 133 304 SIGMA LC LN 8 2 508 516 188 69 70 189 SIGMA LC LN 9 2 581 591 203 97 94 197 SIGMA LC LN 10 2 659 672...

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Page 124: ...s www blueboxgroup it E mail Info blueboxgroup it BLUE BOX srl Via E Mattei 20 35028 Piove di Sacco PD Italy Tel 39 049 9716300 Fax 39 049 9704105 Manual 101130A02 Issue 12 02 Replaces 09 98 All data...

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