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Содержание CAUC-C20

Страница 1: ...S Date October 2008 File No SV UN S S CAUC IOM 7 10 08 December 2001 s e d e s r e p u S TM Remote Air Cooled Condensers Models J and Later Design Sequence CAUC C20 CAUC C40 CAUC C25 CAUC C50 CAUC C3...

Страница 2: ...ing the information within this manual and follow ing the instructions the risk of improper operation and or component damage will be minimized It is important that periodic maintenance be performed t...

Страница 3: ...led Control Wiring 17 Refrigerant Piping 18 Liquid Lines 18 Liquid Line Components 18 Discharge Hot Gas Lines 18 Discharge Line Components 19 Making Refrigerant Connections 19 Brazing Procedures 19 Le...

Страница 4: ...d just above the Mylar nameplate and a third nameplate is located on the inside of the control panel door When ordering replacement parts or requesting service be sure to refer to the specific model n...

Страница 5: ...5 General Information Continued Unit Component Layout and Shipwith Locations 60 Ton Unit Illustrated...

Страница 6: ...iate Trane office before installing or re pairing a damaged unit Unit Clearances Figure 3 1 illustrates the minimum operating and service clearances for either a single multiple or pit application The...

Страница 7: ...7 Installation Continued Figure 3 1 Typical Installation Clearances for Single Multiple or Pit Applications...

Страница 8: ...8 Figure 3 2 CAUC C20 Unit Dimensional Data Recommended Clearances...

Страница 9: ...9 Figure 3 2 Continued CAUC C25 Unit Dimensional Data Recommended Clearances...

Страница 10: ...10 Figure 3 2 Continued CAUC C30 Unit Dimensional Data Recommended Clearances...

Страница 11: ...11 Figure 3 2 Continued CAUC C40 Unit Dimensional Data Recommended Clearances...

Страница 12: ...12 Figure 3 2 Continued CAUC C50 Unit Dimensional Data Recommended Clearances...

Страница 13: ...13 Figure 3 2 Continued CAUC C60 Unit Dimensional Data Recommended Clearances...

Страница 14: ...g and Center of Gravity Data Location of Center of Shipping Gravity Unit Weight X Z Size Max Lbs In mm In mm C20 1348 41 1026 30 754 C25 1394 41 1031 30 762 C30 1585 41 1046 31 790 C40 2366 44 1115 43...

Страница 15: ...y 2 Align the mounting holes in the base rail of the unit with the holes in the top of the appropriate isolator Refer to Figure 3 4 for the appropriate isolator for each load point 3 Install a 1 2 NC...

Страница 16: ...the mounting surface Leveling the Unit Before tightening the mounting bolts level the unit carefully Use the unit base rail as a reference Level the unit to within 1 4 inch over its entire length Use...

Страница 17: ...ssor unit Refer to the Refrigerant Piping section for recommended discharge line components and guide lines Install shutoff valves in the liquid line s to isolate the fil ter drier s for service Insta...

Страница 18: ...e unit sheet metal for the refrigerant piping entrance into the unit Liquid Line Components Filter driers and valves expansion valves charging valves etc should be provided in the liquid lines just be...

Страница 19: ...enter the system which will contaminate the re frigerant system 6 Apply heat evenly over the length and circumference of the joint to draw the brazing material into the joint by capillary action Remov...

Страница 20: ...ection and re make as a new joint Retest for leaks after making re pairs 8 Open the liquid line service valve and the compressor discharge service valve Field Installed Power Wiring An overall dimensi...

Страница 21: ...3 1 0 1 4 7 2 0 9 200 230 60 3 180 220 208 254 17 4 20 20 4 1 0 4 1 20 7 0 9 C40 460 60 3 416 508 7 7 15 15 4 1 0 1 8 9 0 0 9 575 60 3 520 635 6 15 15 4 1 0 1 4 7 2 0 9 200 230 60 3 180 220 208 254 25...

Страница 22: ...RMER AND ANY OTHER LOAD RATED AT 1 AMP OR MORE Calculation 1 MCA MOP and RDE MCA 1 25 x LOAD 1 LOAD 2 LOAD 4 MOP 2 25 x LOAD 1 LOAD 2 LOAD 4 Select a fuse rating equal to the MOP value If the MOP valu...

Страница 23: ...rol wir ing modifications must be made to the CAUC units Refer to Figure 3 7 and the field wiring diagram in the CCAD package chiller installation literature Follow the ap propriate procedure below fo...

Страница 24: ...24 Figure 3 7 Typical Interface Connection Diagram for CCAD 20 through 60 Ton Package Chiller...

Страница 25: ...25...

Страница 26: ...tely 15 minutes This is referred to as a standing vacuum test where time versus pressure rise The maximum allowable rise over a 15 minute period is 200 microns If the pressure rise is greater than 200...

Страница 27: ...vacuation Time vs Pressure Rise 200 400 600 800 1000 1200 1400 1600 10 0 10 20 30 40 50 60 70 80 90 TIME IN MINUTES PRESSURE IN MICRONS Continuously increasing pressure indicates the presence of leaks...

Страница 28: ...rical Phasing Proper electrical phasing can be quickly determined and corrected before starting the unit by using an instrument such as an Associated Research Model 45 Phase Se quence Indicator and fo...

Страница 29: ...dentification Customer Interlock 5K1 5K1 2B1 2B2 2B3 1 Circuit 1 Closed Open Customer Interlock 5K2 5K2 2B4 2B5 2B6 1 Circuit 2 Closed Open Fan 1S36 2 Temperature 67 5o F 65 F 2B3 1 Switch 1S37 2 67 5...

Страница 30: ...power is applied 5 Check the condenser fans for proper rotation The direc tion of rotation is clockwise when viewed from the top of the unit All Fans are Rotating Backwards 1 Turn the field supplied d...

Страница 31: ...cylinder to monitor the amount of refrigerant entering the system Refer to Table 5 3 for the recommended refrigerant capacities for the condensing unit The weight of refrigerant required for the liqui...

Страница 32: ...r foot Table 5 5 Sample Operator s Maintenance Log Refrigerant Circuit 1 Refrigerant Circuit 2 Current Ambient Compr Suct Disch Liquid Super Sub Compr Suct Disch Liquid Super Sub Temp Oil Press Press...

Страница 33: ...33 Blank...

Страница 34: ...34 Figure 5 2 Typical Wiring Schematic for 20 through 60 Ton Units...

Страница 35: ...35...

Страница 36: ...36 Figure 5 3 Typical Control Panel Connections Diagram for 20 through 60 Ton Units...

Страница 37: ...37...

Страница 38: ...necessary Check the fan shaft bearings for wear Replace the bear ings as necessary Lubricate the supply fan bearings Refer to the equip ment manufacturer for their recommended greases Note Over lubri...

Страница 39: ...brush and a sprayer either a garden pump up type or a high pressure sprayer A high quality detergent is also required suggested brands include SPREX A C OAKITE 161 OAKITE 166 and COILOX If the deterge...

Страница 40: ...irement 26 L Leak testing a refrigerant system 20 Liquid Line Drier Refrigerant Requirements 32 See Figure 5 4 Liquid Line Filter Drier 18 Liquid Line Moisture Indicators 18 Liquid Line Solenoid Valve...

Страница 41: ...tial start up warrantor will furnish a replace ment heat exchanger Warrantor s obligation and liabilities under this warranty are limited to furnishing replacement parts Warrantor shall not be obligat...

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