background image

Refrigerating Specialties Division

10

Parts Kits Which Are Common To All A4W Port Sizes

(including A4W, A4WE, A4WS, A4WB, A4WD, A4WP, A4WOE and A4WR)

Item No.     Description and Contents                                       Qty.          Kit No.
 

 

Stem Kit, Adjusting

 

 

202120

 52  Stem, 

Adjusting 

 53  Washer, 

Flat 

 54  Packing, 

Stem 

 

 

Spring Stem Kit, Range A & V

 

 

202006

 55  Nut, 

Packing 

 

Stem Kit, Adjusting (202120) 

 

50 

Plate, Spring, Upper 

 

48 

Plate, Spring, Lower 

 49  Spring. 

Comp. 

 47  Follower, 

Diaphragm 

 

 

Spring Stem Kit, Range D

 

 

202007

 55  Nut, 

Packing 

 

Stem Kit, Adjusting (202120) 

 

50 

Plate, Spring, Upper 

 

48 

Plate, Spring, Lower 

 49  Spring, 

Comp. 

 47  Follower, 

Diaphragm 

 

 

Bonnet/Spring Kit, Range A & V (A4WOnly) 

 

202008

 

Spring Stem Kit (202006) 

 57  Seal 

Cap 

 56  Gasket 

 51  Bonnet 

 58  Screw, 

Hex 

Head** 

 48  Gasket 

 

 

**Not for S, B or D Variations 

 

 

 

Bonnet, Spring Kit, Range D (AM Only)

 

 

202009

 

 

Spring Stem Kit (202007) 

 57  Seal 

Cap 

 56  Gasket 

 51  Bonnet 

 58  Screw, 

Hex 

Head** 

 46  Gasket 

 

 

**Not for S, B or D Variations 

 

 

 

Seal Cap Kit

 

 

202110

 57  Seal 

Cap 

 56  Gasket 

 

 

Packing Kit, Opening Stem

 

 

202101

 12  Nut, 

Packing 

 13  Packing, 

Stem 

 14  Washer, 

Flat 

 

 

Spring Kit, Range A & V

 

 

202481

 

50 

Plate, Spring, Upper 

 

48 

Plate, Spring, Lower 

 49  Spring, 

Comp. 

 46  Gasket 

 

 

Spring Kit, Range D

 

 

202482

 

50 

Plate, Spring, Upper 

 

48 

Plate, Spring, Lower 

 49  Spring, 

Comp. 

 46  Gasket 

 

 

Diaphragm Kit, Range A & V

 

 

200770

 45  Diaphragm 

 46  Gasket 

 43  Gasket 

 

 

Diaphragm Kit, Range D

 

 

200771

 45  Diaphragm 

 46  Gasket 

 43  Gasket 

 

 

Pilot Seat Kit, Range A & D (Not A4WOE)

 

 200411

 44  Pilot 

Seat 

 43  Gasket 

 46  Gasket 

 

 

Seat Kit, Pilot, Range A (Not A4WOE)

 

 

202001

 44  Seat, 

Pilot 

 

Diaphragm Kit (200770) 

 

 

Seat Kit, Pilot, Range V (Not A4WOE)

 

 

202004

 44  Seat, 

Pilot 

 

Diaphragm Kit (200770) 

 

 

Seat Kit, Pilot, Range D (Not A4WOE)

 

 

202003

 44  Seat, 

Pilot 

 

Diaphragm Kit (200771) 

 

 

Bolt Package, A4W Bonnet**

 

 

202246

 

58 

Bolts, 5/16”-18 x 7/8” Lg 

 

** 

Not for S, B or D Variations 

Item No.     Description and Contents                                       Qty.          Kit No.
                      

Plug Kit, Pilot, A4WOE

 

 

200778

 64  Plug, 

Pilot 

 65  O-Ring 

 66  O-Ring 

 62  Nut, 

Retainer 

 43  Gasket 

 63  Spring 

 

 

Outlet Regulator Kit

 

 

200517

 61  Adapter 

(A4WOE) 

 

Plug Kit, Pilot, A4WOE (200778) 

 68  Screw, 

Hex 

Head 

 21  Plug, 

Pipe 

 

 

Bolt Package, A4WOE Bonnet

 

 

202247

 

68 

Bolts, 5/16”- 18 x 1-3/4” Lg. 

 

 

Cover Kit, A4WOE

 

 

 69  Cover 

 70  Gasket 

   - 

S, B or D Variations-

 

 

 

 

Adapter Kit, Series

 

 

200564

 23  Adapter 

 24  Gasket 

 25  O-Ring 

 26  Insert, 

Seal 

 21  Plug, 

Pipe 

 68  Screw 

 

 

Adapter Kit, Seal

 

 

202333

 24  Gasket 

 25  O-Ring 

 26  Insert, 

Seal 

 

 

Spacer Kit, Adapt. A2D

 

 

202122

 

 

Spacer, Adapter (not shown) 

 72  Screw, 

Hex 

Hd 

 30  O-Ring 

 

 

Spacer Kit, Adapt. S6A

 

 

202123

 

 

Spacer, Adapter (not shown) 

 72  Screw, 

Hex 

Hd 

 30  O-Ring 

 

 

 

 

 Tube 

Kit

 

 

201036

 

37A 

Nut. Solenoid Tube 

 

37B 

Tube Assembly, Solenoid 

 38  Gasket 

 

 

Bolt/O-Ring Kit

 

 

201574

 30  O-Ring 

 42  Bolt 

 

 

Plunger Kit, Needle (AC Only)

 

 

201019

 38  Gasket 

 

39 

Plunger Needle Assembly 

 

 

Plunger Kit, Needle (DC Only)

 

 

201021

 38  Gasket 

 

39 

Plunger Needle Assembly 

 

 

Plunger Seat Kit (AC Only)

 

 

201630

 38  Gasket 

 

39 

Plunger Needle Assembly 

 40  Seat 

Assembly 

 

 

Bolts, A4WD, S, B Bonnet

 

 

202247

 

68 

Bolts, 5/16”-18 x 1-3/4” Lg. 

 

71 

Body, A2D (Not available as a part) 

 

 

 

Bolt/O-Ring Kit, A2B Pilot

 

 

201572

 72  Bolts 

 30  C-Rings 

 

 

          

- Packages -

 

 

 

 

Gasket Package/Seal Cap

 

 

202408

 56  Gasket 

12 

 

 

Gasket Package/Solenoid Kit

 

 

202078

 38  Gasket 

12 

 

 

Stem Packing Package

 

 

202478

 54  Packing 

25 

 

 

Plug Package 1/4” NPT

 

 

202552

 21  Plug 

 

 O-Ring 

Package

 

 

 

30 

‘B’-Side, Moduplates; and S6A/A2D/Spacers 

12 

202424

 

 

‘S’-Side, Moduplate (Not illustrated) 

202425

Summary of Contents for A4W Series

Page 1: ...rouble Shooting 9 Warning 14 Warranty 14 BULLETIN 23 20D A4W Series August 2007 Installation Service and Parts Information Description These heavy duty cast steel bodied ASTIM No A352 Grade LCB pressu...

Page 2: ...gauge port Back the Adjusting Stem all of the way out to stop counterclockwise This will reduce the set point to its lowest level and will cause the valve to OPEN wide Start the system and when the va...

Page 3: ...frequently is used in the wide open mode when maximum refrigeration capacity from an evaporator is required During the defrost of the evaporator the regulator pilot solenoid is de energized thus funct...

Page 4: ...imum system performance To adjust the pressure regulator disconnect the air line and follow the instructions above listed for the Type A4W This setting represents the lowest inlet pressure the regulat...

Page 5: ...gauge installed on the regulator can be seen Avoid locations where the valve may be damaged by personnel traf c material handling or other equipment Before installing the valve check to see that all...

Page 6: ...l bar approximately 10mm x 50mm 3 8 x 2 x 50 2 longer than the diameter of the piston bore Drill a hole in the center of the at face that will clear the 1 4 20 screw Obtain a 1 4 20 machine screw with...

Page 7: ...talled bowed toward the Diaphragm Follower 47 and Range Spring 49 That is the center of the Diaphragm is higher than its perimeter Before installing the Bonnet 51 be sure that the Adjusting Stem 52 is...

Page 8: ...rbon systems Before deciding to disassemble a regulator for servicing the following investigations should be made Check the Manual Opening Stem it should be turned out counterclockwise for automatic o...

Page 9: ...in parallel Check with factory Pressure drop across Inlet or outlet restricted Check for restriction regulator too high Clean strainer Regulator too small Replace with properly sized regulator High pr...

Page 10: ...Pilot Range V Not A4WOE 202004 44 Seat Pilot 1 Diaphragm Kit 200770 1 Seat Kit Pilot Range D Not A4WOE 202003 44 Seat Pilot 1 Diaphragm Kit 200771 1 Bolt Package A4W Bonnet 202246 58 Bolts 5 16 18 x...

Page 11: ...Refrigerating Specialties Division 11 Fig 8 Fig 9 S6A Pilot...

Page 12: ...Refrigerating Specialties Division 12 Fig 12 A4W A4WE A4WP A4WL A4WOE A4WR A4WB A4WS For All Sizes e is 75mm 3 0 in f is 100mm 4 0 in g is 140mm 5 5 in A4WD...

Page 13: ...17 25 A4WP A4WL mm 438 318 In 17 25 12 5 A4WOE mm 463 305 In 18 25 12 0 A4WR mm 414 305 In 16 25 12 0 A4WB A4WS mm 476 451 In 18 75 17 75 A4WD mm 502 476 In 19 75 18 75 mm 150 Common to All mm 152 48...

Page 14: ...ervicing work Where cold refrigerant liquid lines are used it is necessary that certain precautions be taken to avoid damage which could result from liquid expansion Temperature increase in a piping s...

Reviews: