WITH SCROLL COMPRESSORS - Dunham-Bush Africa

1 INSTALLATION,OPERATION &MAINTENANCEMANUALForm No: MM0423CR22R407cR22R407cR22R407c50 HzINSTALLATION,OPERATION &MAINTENANCEMANUALP roducts That Perform ..By People Who CareMODEL:ACSAIRCOOLEDCHILLERSWITH SCROLLCOMPRESSORSMANUAL INDEX Description Page PHYSICAL INSTALLATION ACS Rigging and Moving ..12 SPACE REQUIREMENTS AND Air Cooled VIBRATION PIPING Water Connections Chilled Water Water Connections Multiple Packaged Parallel Chilled Water Flow Series Chilled Water Flow Water ELECTRICAL REQUEST FOR START-UP OPERATION UNIT AIR COOLED PACKAGE SYSTEM Oil Oil SYSTEM FLOW SYSTEM Capacity Solid-State operating Opstat ELECTRICAL Electronic IR32 Electronic IR32 Electronic Thermostat ACS Typical Wiring

2 MAINTENANCE PERIODIC MONTHLY VESSEL Evaporator AIR COOLED CONDENSER ELECTRICAL REFRIGERANT Air Cooled TROUBLE SAMPLE LOG SCHEMATIC DIAGRAM, GRAPH AND TABLE Figure ACS Figure ACS Space Figure ACS Dimensional Figure ACS Weight Figure ACS Typical Piping Figure Water Side Pressure Figure Controller Front Table Product Table Capacity Table Pressure/ Temperature - 2 - INTRODUCTION This manual is prepared to provide all the necessary information of installation, operation and maintenance of the latest generation of Dunham-Bush air-cooled chillers with SCROLL COMPRESSORS .

3 In order to be able to make full use of the manual, you must first determine your unit model number from the unit name plate. Your Dunham-Bush package has been manufactured under a stringent quality control system. Each packaged chiller is performance tested at the factory at the specified field operating conditions as a final verification of reliability. If the package is installed, operated and maintained with care and attention to the instructions contained here in, it will yield many years of satisfactory service.

4 It is assumed that the reader of this manual and those who install, operate and maintain the equipment have a basic understanding of the principles of air conditioning, refrigeration and electrical controls. TABLE PRODUCTION IDENTIFICATION AC S 30 - 5 E P Air Cooled Packaged DX Chiller SCROLL compressor H - High Efficiency E - Energy Saving 5 - 50Hz 6 - 60Hz Nominal Capacity Blank - R22 P - R407C - 3 - INTRODUCTION PHYSICAL SPECIFICATIONS ENERGY SAVING R22 MODEL ACS 10-5-E 13-5-E 15-5-E 20-5-E 23-5-E 26-5-E compressor MODEL (QTY) SPA (2) SPB (2) SPC (2) SPD (2) SPE (2) SPBB (2) RPM 2900 2900 2900 2900 2900 2900 MIN.

5 % UNIT CAPACITY REDUCTION 50% 50% 50% 50% 50% 25% NO. OF REFRIGERANT CIRCUIT 2 2 2 2 2 2 EVAPORATOR MODEL HDD03 HDD03 HDD04 HDE03 HDE04 HDF03 WATER CONNECTOR INCH[MM] 3[ ] 3[ ] 3[ ] 3[ ] 3[ ] 3[ ] NOM. WATER FLOW / PD (GPM)/(FT IN WG) [m /hr / kPa] / [ / ] / [ / ] / [ / ] / [ / ] / [ / ] / [ / ] MIN/MAX. WATER FLOW (GPM)/[m /hr] / [ / ] / [ / ] / [ / ] / [ / ] / [ / ] / [ / ] MIN/MAX. WATER PD (FT IN WG) / [kPa] / [ / ] / [ / ] / [ / ] / [ / ] / [ / ] / [ / ] CONDENSER COIL ROWS DEEP/ TOTAL FA FT [M ] 2 / [ ] 3 / [ ] 3/ [ ] 3 / [ ] 4 / [ ] 3 / [ ] TOTAL CFM 13000 11500 16000 17250 15300 25200 NO OF FAN 2 2 2 3 3 4 FAN DIA INCH[MM] [ ] [ ] [ ] [ ] [ ] [ ] MOTOR HP (QTY) 5/8 (2) 5/8 (2) 5/8 (2) 5/8 (3) 5/8 (3) 5/8 (4) FAN FLA , AMP (QTY) 2 (2) 2 (2) 2 (2) 2 (3) 2 (3) 2 (4) MIN.

6 AMBIENT TEMP. ( F) (WITH FAN CYCLING AND SOLENOID CONTROL) 55 55 55 55 55 55 ELECTRICAL NOM. VOLTAGE 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 RLA/CIRCUIT (QTY), AMPS (1) (1) (1) (1) (1) (2) UNIT MAX. INRUSH 116 144 148 193 227 176 GENERAL UNIT LENGTH INCH[MM] [2222] [2222] [2222] [2984] [2984] 102[2591] UNIT WIDTH INCH[MM] 36[914] 36[914] 36[914] 38[965] 38[965] 88[2235] UNIT HEIGHT INCH[MM] [1714] [1714] [1714] 70[1778] 70[1778] 71[1803] SHIPPING WEIGHT LB[KG] 1920[873] 2032[924] 2062[937] 2880[1309] 3043[1383] 3742[1701] OPERATING WEIGHT LB[KG] 1942[883] 2052[933] 2081[946] 2935[1334] 3100[1409] 3789[1722] OPERATING CHARGE R22 LB[KG] 22[10] 29[13] 33[15] 44[20] 51[23] 57[26]

7 - 4 - INTRODUCTION ENERGY SAVING R22 MODEL ACS 30-5-E 40-5-E 46-5-E 55-5-E 60-5-E 70-5-E compressor MODEL (QTY) SPCC (2) SPDD (2) SPEE (2) SPDD (3) SPDE (3) SPEE (3) RPM 2900 2900 2900 2900 2900 2900 MIN. % UNIT CAPACITY REDUCTION 25% 25% 25% NO. OF REFRIGERANT CIRCUIT 2 2 2 3 3 3 EVAPORATOR MODEL HDF03 HDF04 HDH04 XTK08 XTK08 XTM09 WATER CONNECTOR INCH[MM] 3[ ] 3[ ] 4[ ] 4[ ] 4[ ] 5[ ] NOM. WATER FLOW / PD (GPM) /(FT IN WG) [m /hr / kPa] / [ / ] / [ / ] / [ / ] / [ / ] / [ / ] [ ] MIN/MAX.

8 WATER FLOW (GPM)/[m /hr] / [ / ] / [ / ] / [ / ] / [ / ] / [ / ] / [ / ] MIN/MAX. WATER PD (FT IN WG) / [kPa] / [ / ] / [ / ] / [ / ] / [ / ] / [ / ] / [ / ] CONDENSER COIL ROWS DEEP/ TOTAL FA FT [M ] 3 / [ ] 3 / [ ] 4 / [ ] 2 / [ ] 3 / [ ] 3 / [ ] TOTAL CFM 26400 26000 25600 59544 57930 55980 NO OF FAN 4 4 4 6 6 6 FAN DIA INCH[MM] [ ] [ ] [ ] [762] [762] [762] MOTOR HP (QTY) 5/8 (4) 5/8 (4) 5/8 (4) (6) (6) (6) FAN FLA , AMP (QTY) 2 (4) 2 (4) 2 (4) (6) (6) (6) MIN.

9 AMBIENT TEMP. ( F) (WITH FAN CYCLING AND SOLENOID CONTROL) 55 55 55 55 55 55 ELECTRICAL NOM. VOLTAGE 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 RLA/CIRCUIT (QTY), AMPS (2) (2) (2) (3) (3) (3) UNIT MAX. INRUSH 186 235 275 286 295 332 GENERAL UNIT LENGTH INCH[MM] 102[2591] 102[2591] 102[2591] 136[3454] 136[3454] 136[3454] UNIT WIDTH INCH[MM] 88[2235] 88[2235] 88[2235] 88[2235] 88[2235] 88[2235] UNIT HEIGHT INCH[MM] 71[1803] 71[1803] 71[1803] [1994] [1994] [1994] SHIPPING WEIGHT LB[KG] 3962[1801] 4319[1963] 4481[2037] 6257[2838] 6389[2898] 6527[2961] OPERATING WEIGHT LB[KG] 4026[1830] 4398[1999] 4560[2073] 6499[2948] 6651[3017] 6770[3071] OPERATING CHARGE R22 LB[KG] 66[30] 88[40] 102[46] 122[55] 132[60] 154[70]

10 - 5 - INTRODUCTION HIGH EFFICIENCY R22 MODEL ACS 10-5-H 13-5-H 15-5-H 20-5-H 23-5-H 26-5-H compressor MODEL (QTY) SPA (2) SPB (2) SPC (2) SPD (2) SPE (2) SPBB (2) RPM 2900 2900 2900 2900 2900 2900 MIN. % UNIT CAPACITY REDUCTION 50% 50% 50% 50% 50% 25% NO. OF REFRIGERANT CIRCUIT 2 2 2 2 2 2 EVAPORATOR MODEL HDD03 HDD03 HDD04 HDE03 HDE04 HDF03 WATER CONNECTOR INCH[MM] 3[ ] 3[ ] 3[ ] 3[ ] 3[ ] 3[ ] NOM. WATER FLOW / PD (GPM)/(FT IN WG) [m /hr / kPa] / [ / ] / [ / ] / [ / ] / [ / ] / [ / ] [ / ] MIN/MAX.