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SPX SGS REFRIGERATION STC Series, Руководство пользователя

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contents

1  Receipt Of Equipment  .................................................................................................................................................. 3
  1.1 Inspection 

 ................................................................................................................................................................ 3

 

1.2  Loss of Gas Holding Charge  ................................................................................................................... 3

2  Assembly of Components  ......................................................................................................................................... 3
 

2.1  Shipped Loose Parts  ...................................................................................................................................... 3

 

2.2  Dielectric Flange Union  ............................................................................................................................... 3

 

2.3  Refrigerant Distributor Nozzle  ................................................................................................................ 3

 

2.4  Expansion Valve (optional item)  ............................................................................................................ 3

3  Rigging Instructions  ........................................................................................................................................................ 3
4  Unit Location and Mounting  .................................................................................................................................... 3
 

4.1  Unit Location  ......................................................................................................................................................... 3

  4.2 Mounting 

................................................................................................................................................................... 3

5  Refrigerant Warning  ....................................................................................................................................................... 6
6  Piping Installation  ............................................................................................................................................................. 6
 

6.1  Drain Line  ................................................................................................................................................................ 6

 

6.2  Refrigeration Piping  ........................................................................................................................................ 7

 

6.3  Hot Gas Interpiping  ......................................................................................................................................... 8

 

6.4  Evacuation and Leak Test  .......................................................................................................................... 8

 

6.5  DXA And Suction Accumulators  .......................................................................................................... 8

7 Electrical 

 .................................................................................................................................................................................. 9

 

7.1 Field  Wiring   .................................................................................................................................................................... 9

 

7.2 Electrical  Data   ............................................................................................................................................................. 9

 

7.3 Suggested No Defrost Requirement Sequence of Operation  .........................................17

 

7.4 Suggested Air Defrost Sequence of Operation  ...........................................................................17

 

7.5 Suggested Electric Defrost Sequence of Operation  ...............................................................17

 

7.6 Suggested Hot Gas Defrost Sequence of Operation  .............................................................17

8 Operation 

 ..............................................................................................................................................................................18

  8.1 Pre-Startup 

 ..........................................................................................................................................................18

 

8.2  Operation Checkout  .....................................................................................................................................18

9 Maintenance 

 ......................................................................................................................................................................19

 

9.1  Drain Pan  ..............................................................................................................................................................19

 

9.2  Coil and Cabinet ..............................................................................................................................................19

 

9.3  Fan Guard Replacement  ..........................................................................................................................19

 

9.4  Fan Replacement  ...........................................................................................................................................19

 

9.5  Motor Replacement  ......................................................................................................................................19

 

9.6  Electric Defrost Heaters  ...........................................................................................................................19

10 Replacement Parts List  ............................................................................................................................................20
11 Maintenance Data  .........................................................................................................................................................21

Содержание SGS REFRIGERATION STC Series

Страница 1: ...STC Series twin unit cooler INSTALLATION OPERATION MAINTENANCE E329630 ISSUED 02 2020 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT user manual SGS REFRIGERATION...

Страница 2: ...Interpiping 8 6 4 Evacuation and Leak Test 8 6 5 DXA And Suction Accumulators 8 7 Electrical 9 7 1Field Wiring 9 7 2Electrical Data 9 7 3Suggested No Defrost Requirement Sequence of Operation 17 7 4S...

Страница 3: ...ocate the expansion valve bulb on a horizontal length of suction line closer to the connection stub Position the bulb in a 3 4 8 or 9 o clock position Do not position the bulb on the top or the bottom...

Страница 4: ...ould be in place before the unit is hung See Sections 2 3 and 2 4 The unit must be level in all directions to insure proper drainage of the condensate drain pan FIGURE 1 Unit Dimension 15 75 5 25 LENG...

Страница 5: ...00 64 00 24 00 94 00 59 75 8 115 00 70 00 24 00 94 00 65 75 30 4 133 00 62 00 28 00 112 00 57 75 68 68 6 133 00 70 00 28 00 112 00 65 75 8 133 00 76 00 28 00 112 00 71 75 Four 24 4 145 00 56 00 24 00...

Страница 6: ...m moist air from migrating through the drain line The trap should be located in the warmest and or lowest section of the piping to avoid freezing and provide sufficient liquid head for flow through th...

Страница 7: ...gnized refrigeration standards Under no circumstances should the refrigerant connection size of the unit be used as the basis for sizing the lines For aluminum flange connections see Figure 4 for fina...

Страница 8: ...4 EVACUATION AND LEAK TEST Whenallrefrigerationconnectionshavebeencompleted theentire system must be tested for leaks and then evacuated 6 5 DXA AND SUCTION ACCUMULATORS DonotuseunitswithDirectExpans...

Страница 9: ...3 5 2 5 Two 1140 1 3 3 6 1 8 1 8 1140 1 2 4 8 2 4 2 4 2 0 850 1 2 5 2 2 6 2 6 2 6 1140 3 4 5 6 2 8 2 8 2 4 850 3 4 8 0 4 0 4 0 3 2 1140 1 7 2 3 6 3 6 3 0 850 1 8 4 4 2 4 2 3 6 1140 1 1 2 10 0 5 0 5 0...

Страница 10: ...0 575 3 60 1 2 3 G 1 2 3 G 1 2 3 G 1 2 3 G 1 2 3 G 1 T2 T1 T3 2 3 G GRN FAN MOTORS 3 PHASE FAN MOTOR CIRCUIT TERMINAL BLOCK INSIDE UNIT 1 3 G 1 3 G 1 3 G 1 3 G 1 3 G 1 T2 T1 T3 3 G GRN FAN MOTORS SING...

Страница 11: ...HEATER CIRCUIT 2 HEATER CIRCUIT 3 HEATER CIRCUIT 4 2 B 1 R 4 Y 1 R 2 B 4 Y ADJUSTABLE DEFROST CONTROL MOUNTED ON BEND END OF UNIT ELECTRICAL ENCLOSURE BEND END OF UNIT JUMPER BLOCK INSIDE UNIT 4 PLAC...

Страница 12: ...CONTROL CIRCUIT HEATER CIRCUIT 1 HEATER CIRCUIT 2 HEATER CIRCUIT 3 HEATER CIRCUIT 4 2 B 1 R 4 Y 1 R 2 B 4 Y ADJUSTABLE DEFROST CONTROL MOUNTED ON BEND END OF UNIT ELECTRICAL ENCLOSURE BEND END OF UNIT...

Страница 13: ...2 58 27 35 27 35 42 58 34 06 STC4 43 A STC4 44 A 4 20 00 28 26 28 26 31 91 26 36 21 09 STC4 63 A STC4 64 A 4 28 00 35 79 35 79 43 32 35 79 28 63 STC4 83 A STC4 84 A 4 36 00 47 08 47 18 29 66 29 66 47...

Страница 14: ...C 3 32 60 42 00 43 83 26 78 26 78 42 00 33 60 STC3 46 C 3 25 40 32 49 32 49 39 33 32 49 25 99 STC3 66 C 3 39 80 31 45 17 61 31 45 17 61 32 25 32 25 26 64 26 64 40 83 STC3 86 C 3 47 00 39 72 21 65 39...

Страница 15: ...25 13 80 STC3 66 A 3 18 00 45 18 27 35 22 59 18 07 STC3 86 A 3 24 00 33 89 33 89 41 02 33 89 27 11 STC4 43 A STC4 44 A 4 16 00 41 48 27 35 22 59 18 07 STC4 63 A STC4 64 A 4 16 00 41 48 27 35 22 59 18...

Страница 16: ...0 27 11 27 11 32 82 27 11 21 69 STC3 83 C STC3 84 C 3 28 80 38 43 38 43 46 52 38 43 30 74 STC3 46 C 3 21 60 27 11 27 11 32 82 27 11 21 69 STC3 66 C 3 28 80 38 43 38 43 46 52 38 43 30 74 STC3 86 C 3 36...

Страница 17: ...H The defrost timer energizes the liquid line solenoid valve allowing refrigerant to flow into the unit cooling the coil and refreezing any remaining condensate drops that are still present I The fan...

Страница 18: ...tor is when the defrost relief valve reads 5 PSI above suction pressure For FLOODED refrigeration systems check to make sure the float valve is working properly and allows refrigerant into the drum to...

Страница 19: ...e any work is performed Remove the fan guard as described in Section 9 3 Loosen two bolts from the bushing that hold the fan onto the motor shaft Remove the fan Clean and deburr the motor shaft if nec...

Страница 20: ...315562 850 1 2 E315550 E315540 E315574 1 30 36 BC E315563 850 3 4 E315551 E315541 E315575 1 30 36 BD E315564 850 1 E315552 E315542 E315576 1 30 36 BE E315565 850 1 5 E315553 E315543 E315577 Table 8 Co...

Страница 21: ...ntenance Date Performed Drain Pan Inspection and Cleaning Cabinet and Coil Inspection and Cleaning Motor Inspection Fan Inspection Electric Heater Inspection Water Defrost Pan Inspection 11 MAINTENANC...

Страница 22: ......

Страница 23: ......

Страница 24: ...ERVED In the interest of technological progress all products are subject to design and or material change without notice SPX COOLING TECHNOLOGIES INC 7401 WEST 129 STREET OVERLAND PARK KS 66213 USA 91...

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