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CGA-SVX01A-EN

Installation
Operation
Maintenance

Air-Cooled Cold Generator

Air-Cooled Cold Generator
With Heat Pump Option

Содержание CGA-SVX01A-EN

Страница 1: ...CGA SVX01A EN Installation Operation Maintenance Air Cooled Cold Generator Air Cooled Cold Generator With Heat Pump Option...

Страница 2: ...IAGRAM FOR CGAK 030 075 CIRCUIT DIAGRAM FOR CGAR 030 075 CIRCUIT DIAGRAM FOR CGAK 100 200 CIRCUIT DIAGRAM FOR CGAR 100 150 INSTALLATION CHECKLIST PRE START PROCEDURE VOLTAGE UTILIZATION RANGE VOLTAGE...

Страница 3: ...200 7 415V 50Hz 3Ph For model 050 075 100 125 150 175 200 DIGIT 9 Development Sequence D Fourth Design DIGIT 10 Controls F Fixed Entering Water Temperature Control Standard Option A Adjustable Enteri...

Страница 4: ...ights Locate the unit near a large capacity drain to allow system drainage during unit shutdown and repair Rig the unit using canvas belt Fasten the belt to the unit over the unit s base as show in Fi...

Страница 5: ...5 Figure 1 Recommended Hoisting Arrangement CGAK 075 As Shown CGA SVX01A EN...

Страница 6: ...American Standard Inc 2001 6 Figure 2 Dimension for Mounting CGAK 075 As Shown Note All Dimensions in Millimeter CGA SVX01A EN...

Страница 7: ...7 Figure 3 Service and Maintenance Clearance CGAK 075 As Shown CGA SVX01A EN...

Страница 8: ...ore completing wiring connections to the unit CAUTION Use only copper conductors for terminal connections to avoid corrosion or over heating Figure 2 shows the location of the unit electrical access o...

Страница 9: ...9 Figure 4 Typical Piping Arrangement CGAK 075 As Shown CGA SVX01A EN...

Страница 10: ...American Standard Inc 2001 10 Figure 5 Typical System Application CGAK 075 And Fans As Shown CGA SVX01A EN...

Страница 11: ...57 3 Max Fuse Size 39 6 50 9 62 1 90 1 40 1 23 1 59 0 34 0 58 4 33 6 66 5 38 5 86 2 49 4 99 5 57 5 123 4 71 3 030 040 050 100 050 050 075 075 100 100 125 125 150 150 175 175 200 200 50Hz Electrical Po...

Страница 12: ...American Standard Inc 2001 12 Circuit Diagram For CGAK 030 075 CGA SVX01A EN FLOW SWITCH INTERLOCK...

Страница 13: ...13 Circuit Diagram For CGAR 030 075 CGA SVX01A EN...

Страница 14: ...American Standard Inc 2001 14 Circuit Diagram For CGAK 100 200 CGA SVX01A EN...

Страница 15: ...15 Circuit Diagram For CGAR 100 150 CGA SVX01A EN...

Страница 16: ...n water outlet piping ELECTRICAL WIRING CAUTION Use only copper conductors to prevent galvanic corrosion and overheating at terminal connections Connect unit power supply wiring with fused disconnect...

Страница 17: ...ance is defined as follows The 2 2 imbalance that exists in the example above exceeds maximum allowable imbalance by 0 2 This much imbalance between phases can equal as much as 20 current imbalance wi...

Страница 18: ...its LPM 50Hz Units LPM UNIT WATER PRESSURE DROP Measure the water pressure rise across the standard unit with built in pump The Externally Available Head E A H should approximate those indicated by th...

Страница 19: ...19 CGA SVX01A EN Figure 6 Hydraulic Characteristics 60Hz...

Страница 20: ...American Standard Inc 2001 20 CGA SVX01A EN Figure 6 Hydraulic Characteristics 50Hz...

Страница 21: ...with water circulating through the chilled water system inspect all piping connections for leaks and make any necessary repairs Adjust the water flow rate through the chilled water circuit and check...

Страница 22: ...t often forms on the outside of the liquid line at the point of restriction as well Bubbles are not necessarily a symptom of improper system operation CAUTION A clear sight glass does not necessarily...

Страница 23: ...to provide proper operation NOTE With the unit operating throttle the water flow to approximately 50 of the full flow rate Following the manufacturer s instructions adjust the flow switch contacts to...

Страница 24: ...nits have internal compressor and condenser fan motor overloads to protect the motors from overcurrent and overheat ing conditions and automatically reset as soon as they cool sufficiently Pump motor...

Страница 25: ...Side Antifreeze Cutout Water Side 1st compressor On Delay 2nd compressor On Delay Low Suction Pressure Override Delay Low Suction Pressure Override Delay LAU Only Electrical Designation HP1 HP2 LP1 L...

Страница 26: ...ually rotate the condenser fan s to ensure proper orifice clearance Inspect the fan mounting bolts for tightness Check fan set screws for tightness Please clean up internal and pipe s strainer once th...

Страница 27: ...cut out d Gate water valve not open causing flow switch or anti freeze cutoff to trip e Fan motor internal temperature switch open f Defective reset relay contact Check for the followings a Defective...

Страница 28: ...ompressor indicated by abnormally low discharge and high suction pressures 6 Shortage of refrigerant indicated by reduced capacity high superheat low subcooling and low suction pressure Recommended Ac...

Страница 29: ...er or filter drier core Readjust expansion valve Repair or replace expansion valve Check strainers Adjust water flow Evacuate and recharge system Replace compressor I Suction Pressure Too Low Probable...

Страница 30: ...k fans and motors for proper function Evacuate and recharge system Recover excess refrigerant Reduced load Repair or replace switch M System Cannot Heating Mode CGAR Model Only Probable Cause 1 Broken...

Страница 31: ...31 CGA SVX01A EN NOTE...

Страница 32: ...9002 Qualified factory Trane Taiwan FM 38631 An American Standard Company Since The Trane Company has a policy of continuous product improvement it reserves the right to change design and specificatio...