Owner's manual

ManualsBrandsLeslie Controls ManualsEquipmentPilot Controller

12501 Telecom Drive, Tampa Florida

33637

A subsidiary of International, Inc.

20/1.5.2

Rev.3

INSTALLATION, OPERATING,

AND MAINTENANCE INSTRUCTIONS

PARTS LIST

LESLIE PILOT CONTROLLERS

TABLE OF CONTENTS

ADJUSTABLE PROPORTIONAL BAND PILOT CONTROLLERS (PDAP and PRAP Types)

SECTION I — INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

SECTION II —OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3

SECTION III — MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5

SECTION IV — SETTING OF ADJUSTING PIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6

STEM LENGTH AND SENSITIVITY ADJUSTMENT (PRA-

1 and PRQ-1 Types)

CONSTANT PRESSURE PILOT CONTROLLERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

CONSTANT, DIFFERENTIAL PRESSURE AND RATIO PILOT CONTROLLERS

Force Balance, Fixed Band Types

SECTION I — INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

SECTION II — OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

SECTION III — MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

PARTS LIST . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14-25

ILLUSTRATION INDEX

DRAWING, DIMENSIONS, TYPICAL INSTALLATIONS AND MISCELLANEOUS DATA

Figure 1 - Pilot Controller Piping Details - Pressure Reduction Station . . . . . . . . . . . . . . . . . .2

Figure 2 - Pilot Controller with 1:1 Volume Booster Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Figure 3 - Pilot Controller wit 1:1 Volume Booster and Reset Relay . . . . . . . . . . . . . . . . . . . . .3

Figure 4 - Pilot Controller with

Positioner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Figure 5 - Pilot Controller with Inverse Derivative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Figure 6 - Type PRAP Pilot Controller (5-80 psig range) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Figure 7 - Type PDAP Pilot Body Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Figure 8 - Position of sliders for nut/blade spring adjustment . . . . . . . . . . . . . . . . . . . . . . . . .5

Figure 9 - Min./Max. Proportional Band Table .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Figure 10 - Adjustable Proportional Band Pilot Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Figure 11 - PRA-1, PRW-1, PRQ, Pilot Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Figure 12 - Pilot Controller piping details — Typical Installation . . . . . . . . . . . . . . . . . . . . . . . .8

Figure 13 - Drawing showing Direct Acting Type Pilot Controller (PDA-1, etc.) . . . . . . . . . . . .9

Figure 14 - Partial Drawing showing lever and lever pin

, e

tc. . . . . . . . . . . . . . . . . . . . . . . . . . .9

Figure 15 - Diaphragm assembly for Pressure Ranges 13 PSIA - 20 PSIG to 50-125 . . . . . .11

Figure 16 - Back Pressure or Pressure Relief Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Drawing - Pilot Controllers Types PDA-1, PDQ-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Drawing - Pilot Controller Types PRA-1, PRA-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Drawing - Pilot Controller Type PDAP-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . .

Drawing - Pilot Controller Types PRAP-1, Range 5-70 & 50-800 . . . . . . . . . . . . . . . . . . . . .20

Drawing - Differential Pilot Control Type UDDV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Drawing - Pilot Controller Type DDD, 15-75 Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Summary of content (28 pages)

PAGE 1
A subsidiary of International, Inc. 12501 Telecom Drive, Tampa Florida 33637 INSTALLATION, OPERATING, AND MAINTENANCE INSTRUCTIONS PARTS LIST 20/1.5.2 LESLIE PILOT CONTROLLERS TABLE OF CONTENTS ADJUSTABLE PROPORTIONAL BAND PILOT CONTROLLERS (PDAP and PRAP Types) SECTION I — INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 SECTION II —OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PAGE 2
Impulse LIne-Use 1/2" schedule 40 pipe or tubing with equivalent I.D. Avoid loops or pockets in impulse line to insure true pressure signal to pilot diaphragm. 6" Vertical Section (Min.) Union Slope as shown for condensible gas service 1" per foot minimum. 1" Air Lines-Use 1.4" I.D. pipe or tubing. Use noncorrosive pipe and fittings. 12" Connect air supply to Pilot Controller under gauge marked Operating Supply.
PAGE 3
Pressure Reduction Pressure Reduction PDAP PRAP N.O. Valve N.C. Valve Figure 4. Pilot Controller with Positioner. Split Ranging may also be done. Figure 2. Pilot Controller with 1:1 Volume Booster Relay Pressure Reduction Back Pressure PDAP PRAP N.O. Valve N.O. Valve Figure 5. Pilot Controller with Inverse Derivative Figure 3. Pilot Controller with 1:1 Volume Booster and Reset Relay ADJUSTMENT FOR REQUIRED PROPORTIONAL BAND For Back Pressure Service Only 3. 4. 5.
PAGE 4
SECTION III - MAINTENANCE DISMANTLING (Refer to Figures 6 and 7) 1. Bypass the control valve if system operation is necessary during maintenance work. Shut off air supply to pilot controller. 2. Take out body screws (36). Slide pilot body assembly off base in a downward direction away from adjusting pin (64). 3. Remove bottom plug (47). Remove diaphragm plate (30) from pilot body by removing capscrews.
PAGE 5
proportional band nut down against blade spring until air output pressure decreases from 21 to 18 psig. With pin in stem hole to keep stem from turning, loosen set screw and turn adjusting pin upward away from pilot body approximately 1Z\v turns. Lock set screw. Dismantling Superstructure 1. Loosen setscrew (63) and disassemble adjusting pin (64) from stem (13). 2.
PAGE 6
Figure 10.
PAGE 7
STEM LENGTH AND SENSITIVITY ADJUSTMENT TYPES PRA-1 AND PRQ-1 CONSTANT PRESSURE PILOT CONTROLLERS NOTE: THIS ADJUSTMENT IS FACTORY SET and should not be disturbed unless it is obvious that the original setting has been changed or major parts replacements were made which may cause need for readjustment. FORCE BALANCE, FIXED BAND TYPES ADJUSTMENT PROCEDURE Supply 20-22 psig operating pressure to the pilot controller.
PAGE 8
CONSTANT, DIFFERENTIAL PRESSURE AND RATIO PILOT CONTROLLERS Force Balance, Fixed Band Types Control Pipe Connection and Length Types Covered: PDA-1 PDW-1 PDQ-1 UDDV* DDD** PRA-1 PRW-1 PRQ-1 UDRV* UDDD*** STOP — LOOK — READ Connect Control Pipe from top of diaphragm cover to controlled pressure line. Make connection in controlled pressure line at least 3 feet from the valve body opening or the end of the expander, if one is in use.
PAGE 9
SECTION II — OPERATION PROCEDURE: Follow Steps 1 and 2 then proceed with Steps 3 through 5 whichever applies to the particular service. 1. Close inlet and outlet stop valves around the control valve. 2. Open air supply line stop valve. Adjust 1/4" reducing valve to supply 20-22 psig pressure to control pilot. For Pressure Reduction Installation 3. Turn adjusting nut of Pilot Controller Until diaphragm control valve is wide open. 4. Open outlet stop valve partially and control pipe stop valve fully.
PAGE 10
SECTION III — MAINTENANCE 3. Replace body assembly on base (25). Insert body screws (36) through body and into base threads. Start carefully into threads. Tighten securely to make a good gasket seal between body and base. 4. Note: Adjust nozzle stop setting for leak off or non-leak off setting at this point. Proceed as described for the particular setting desired.
PAGE 11
4. Replacing Upper Diaphragms Constant Pressure Pilot Controllers (PDA-1, PRA-1, etc.) For Type UDDV, UDRV Consult Instruction 20/2.5.3 For Type UDDD Consult Instruction 20/3.5.1 1. In all pilot controllers remove all adjusting spring compression by screwing locknut (23) downward as far as it will go, then following with adjusting nut (22) until all compression is removed from adjusting spring (12). In the case of lever action types (PRA-1, etc.
PAGE 12
2. 3. To Decrease Sensitivity of Pilot Controllers (Constant Pressure Types Only) Then turn lever screw (26) downward (out of lever) 3/4 turn for all low pressure pilots (up to and including the 50-125 psig range; 1-1/4 turns for high pressure ranges (100-200 psig and over). Tighten locknut (27). 1. Readjust nozzle stop to non-leak off position (if leak off is in use). 2.
PAGE 13
PILOT CONTROLLER TYPES PDA-1, PDQ-1 AIR ACTUATED B 346. 346. 346. 409.5 409.5 409.5 409.5 409.5 NOTE 1 15 - 75 50 - 125 100 - 200 175 - 300 275 - 450 400 - 600 550 - 800 ADJUSTABLE RANGE PSI NOTE 1 15 - 75 50 - 125 100 - 200 175 - 300 275 - 450 400 - 600 550 - 800 NOTE 1 - 13 PSIA - 20 PSIG * NPT B 13-5/8 13-5/8 13-5/8 16-1/8 16-1/8 16-1/8 16-1/8 16-1/8 ADJUSTABLE RANGE PSI E 3-17/32 3-17/32 3-17/32 3-17/32 3-17/32 3-17/32 3-17/32 3-17/32 E 89.6 89.6 89.6 89.6 89.6 89.6 89.6 89.
PAGE 14
TYPES PDA-1, PDQ-1 PILOT CONTROLLERS WHEN ORDERING PARTS, PLEASE GIVE PAT NAME AND PART REFERENCE NUMBER FROM TABLE BELOW USE PART NUMBER ONLY TO LOCATE PART ON DRAWING PART NO.
PAGE 15
Page 15 MILLIMETERS E F* 3-17/32 1/2 89.7 3-17/32 1/2 89.7 3-17/32 1/2 89.7 3-17/32 3/8 89.7 3-17/32 3/8 89.7 3-17/32 3/8 89.7 3-17/32 3/8 89.7 3-17/32 3/8 89.7 * NPT NOTE 1 - Range 13 psia to 20 psig (3.5 Hg Vacuum). PRESSURE DIMENSIONS IN INCHES AND RANGE-PSI B C D NOTE 1 in. 13-5/8 6-5/16 5 mm. 346.1 147.6 120.7 15-75 in. 13-5/8 5-13/16 4-3/4 mm. 346.1 147.6 120.7 50-125 in. 13-5/8 5-13/16 4-3/4 mm. 346.1 147.6 120.7 100-200 in. 16-1/8 4-1/2 4 mm. 409.6 114.3 101.6 175-300 in. 16-1/8 4-1/2 4 mm. 409.
PAGE 16
PILOT CONTROLLER TYPES PRA-1, PRQ-1 AIR ACTUATED WHEN ORDERING PARTS, PLEASE GIVE RANGE TYPE, PART NAME AND PART REFERENCE NUMBER FROM TABLE BELOW USE PART NUMBER ONLY TO LOCATE PART ON DRAWING PART NO. 1 2 3 4 5 6 7 8 10 12 13 14 15 16 17 87 QTY.
PAGE 17
PILOT CONTROLLER TYPES PRA-1, PRQ-1 AIR ACTUATED ALL PARTS ARE SAME AS PRA-1 SHOWN IN TABLE ON PAGE 3, EXCEPT FOR PARTS SHOWN BELOW. PRQ-1 PART NO. 41 42 43 PART NAME Nozzle Pilot Valve Seat Pilot Valve Complete MATERIAL Aluminum Stainless Steel Stainless Steel QTY. PER REF. UNIT NO. 1 38981 1 12358 1 12350 RECOMMENDED SPARE PARTS. THESE PARTS SHOULD BE ON HAND. PLUS RECOMMENDED SPARE PARTS, WHEN OVERHAULING THIS EQUIPMENT. NOTE 1 - Consists of Stem and Retainer.
PAGE 18
Page 18 47 36 30 29 77 34 35 37 40 38 78 10 8 12 13 14 20 21 22 23 24 25 24 26 63 64 65 66 15 16 17 2 3 6 7 15/16 in. (23.8mm) 2 CONTROL PIPE CONNECTION 3/8 in. NPT 1/4 in. (31.8mm) 9/16 in. hole (14.3mm) 73 19 18 1-7/16 in. (36.5mm) 1 in. (31.8mm) OPERATING MEDIUM AIR 8 2 3 6 15 7 18 19 12 54 3-17/32 in (89.7mm) APPROX. NET WT. WITH ACCESSORIES 14 LB. (6.4 kg) 88 OPER.
PAGE 19
PILOT CONTROLLERS, AIR ACTUATED, TYPES PDAP-1, RANGE 5-70 & 50-800 WITH ADJUSTABLE PROPORTIONAL BAND WHEN ORDERING PARTS, PLEASE GIVE TYPE, PART NAME AND PART REFERENCE NUMBER FROM TABLE BELOW. USE PART NUMBER ONLY TO LOCATE PART ON DRAWING PART NO. 2 3 6 7 8 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 29 30 34 35 36 37 38 40 47 49 50 51 54 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 88 89 90 PART NAME MATERIAL MATERIAL SPEC.
PAGE 20
Page 20 47 30 29 77 79 34 35 37 40 38 80 78 36 10 8 19 12 13 14 20 21 22 23 24 25 24 26 63 64 65 66 89 90 2 3 6 7 15 16 17 15/16 in. (23.8mm) 1/4 in. NPT 6-1/8 in. (155.6mm) CONTROL PIPE CONNECTION 3/8 in. NPT 9/16 in. hole (14.3mm) 73 18 1-7/16 in. (36.5mm) 1 in. (25.4mm) 74 71 72 69 70 67 68 OPERATING MEDIUM AIR 8 2 3 6 15 7 18 19 12 54 3-17/32 in (89.7mm) 88 APPROX. NET WT. WITH ACCESSORIES 14 LB. (6.4 kg) MAXIMUM ALLOWABLE STATIC PRESSURE 900 PSI OPER.
PAGE 21
PILOT CONTROLLERS, AIR ACTUATED, TYPES PRAP-1, RANGE 5-70 & 50-800 WITH ADJUSTABLE PROPORTIONAL BAND TYPE PRAP-1, RANGE 5-70 AND 50-800 WHEN ORDERING PARTS, PLEASE GIVE TYPE, PART NAME AND PART REFERENCE NUMBER FROM TABLE BELOW. USE PART NUMBER ONLY TO LOCATE PART ON DRAWING PART NO.
PAGE 22
TYPE UDDV, DIFFERENTIAL PILOT CONTROL (BI-DIRECTIONAL - DIFFERENTIAL) HIGH PRESSURE AT CONN. “A” ADJ. DIFF. 0 - 100 P.S.I. HIGH PRESSURE AT CONN. “B” ADJ. DIFF. 0 - 35 P.S.I. MAXIMUM STATIC PRESSURE ON EITHER CONN. “A” OR “B” 600 P.S.I. RATIO 1:1 APPROX. NET WT. 25 lb. (11.
PAGE 23
TYPE UDDV CONTROL PILOT WHEN ORDERING PARTS, PLEASE GIVE PART NAME AND PART REFERENCE NUMBER FROM TABLE BELOW USE PART NUMBER ONLY TO LOCATE PART ON DRAWING PART NO. 1 2 3 4 5 6 7 10 11 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 36 37 38 39 42 43 44 45 46 50 53 55 63 64 65 67 68 69 70 71 72 73 74 86 87 88 89 90 91 92 93 103 104 MATERIAL QTY. PER PART NAME MATERIAL SPEC UNIT Diaphragm Cover Cast Aluminum ASTM B-26 Alloy 319.
PAGE 24
PILOT CONTROLLER — TYPE DDD, 15-75 RANGE RREF PRESSURE PIPE PIP CONNECTION 1/4” PIPE THREAD 1/4 REF PRESSURE RE PIPE CONNECTION 3/8” PIPE THREAD 1/4” LESLIE SELF-CLEANING STRAINER 1/4” APPLICABLE LESLIE PRESSURE REDUCING VALVE V LV VA L E MAXIMUM STATIC PRESSURE 300 PSIG. RATIOS SPECIFY WHEN ORDERING 1.1:1 1.2:1 1.3:1 1.4:1 1.5:1 1.6:1 2:1 3:1 SUPERSEDES DRAWING NO. CP-14620 F, ALT.
PAGE 25
PILOT CONTROLLER — TYPE DDD, 15-75 RANGE WHEN ORDERING PARTS, PLEASE GIVE RANGE, TYPE, PART NAME AND PART REFERENCE NUMBER FROM BELOW. USE PART NUMBER ONLY TO LOCATE PART ON DRAWING PART NO. PART NAME MATERIAL QTY PER UNIT REF. NO.
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NOTES: Page 26
PAGE 27
NOTES: Page 27
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A subsidiary of International, Inc. 12501 Telecom Drive, Tampa, Florida 33637 Ph: (813) 978-1000 • Fax: (813) 978-0984 w w w. l e s l i e c o n t ro l s . c o m 20/1.5.2Rev.