Emerson Bettis 2000 Series E796 M2CP Manual

Installation and Maintenance Manual

E2K-402-0817 Rev. 3

September 2018

Bettis 2000 Series E796 M2CP

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BettisTMis a mark of one of the Emerson family of companies.

Allother marks are property of their respective owners.

Thecontents of this publication are presented for information purposes

only,and while every effort has been made to ensure their accuracy,

theyare not to be construed as warranties or guarantees, express or

implied,regarding the products or services described herein or their use

orapplicability. All sales are governed by our terms and conditions, which

areavailable on request. We reserve the right to modify or improve the

designsor specifications of our products at any time without notice.

Installation and Maintenance Manual

E2K-402-0817 Rev. 3

Table of Contents

September 2018

Table of Contents

Section 1: Introduction

1.1 DO ................................................................................................................ 1

1.2 DON'T ........................................................................................................... 1

1.3 Lubrication.................................................................................................... 2

1.4 Maintenance ................................................................................................. 2

1.5 Pressure Relief............................................................................................... 2

1.6 Short Term Storage....................................................................................... 3

1.7 Long Term Storage........................................................................................ 3

Section 2: M2CP Electical Hook Up

2.1 Electrical Hook Up......................................................................................... 5

Section 3: Assembly to Valves

3.1 Threaded Valve Stem .................................................................................... 6

3.1.1 Locknut Lockpin Installation ............................................................... 6

3.1.2 Stem Nut Installation (Multi-turn)....................................................... 6

3.2 Mounting Screws .......................................................................................... 7

3.2.1 Thrust Spool (Model 4000 & 5000) ..................................................... 7

3.2.2 Spline Bushing (Quarter-Turn) ............................................................ 8

3.3 Quarter-Turn Valve ........................................................................................ 8

3.3.1 Stop Setting Procedure....................................................................... 8

Section 4: Limit Switch Setting Instructions

4.1 Before making limit switch setting .............................................................. 10

4.2 To set Open Limit Switch (LSO).................................................................... 10

4.3 Set (LSC) Close Limit Switch ........................................................................ 12

4.4 To set Intermediate Switch (LSA or LSB), if included..................................... 13

4.5 Torque Seated Valves .................................................................................. 13

4.6 Torque Switch Calibration ........................................................................... 13

4.7 To set Open Torque Switch (TSO) ................................................................ 14

4.8 Torque Switch Rotation Limit ...................................................................... 14

Section 5: Multi-turn Actuators

5.1 Calibration .................................................................................................. 15

5.2 Quarter-Turn Model P, Q, R & M ................................................................... 16

Section 6: M2CP Wiring Diagram Symbols

6.1 Description ................................................................................................. 17

Section 7: Troubleshooting .................................................21

September 2018

Installation and Maintenance Manual

E2K-402-0817 Rev. 3

Introduction

Section 1: Introduction

1.1 DO

1. DO follow proper storage procedures. Improper storage will void warranty.

2. DANGER: DO check for proper motor rotation. If valve goes wrong direction

when button is pushed, you have no torque or limit protection.

3-Phase incoming power voltage must have 2 wires reversed.

3. DO read and follow procedures before attempting to energize actuator.

4. DO cut off electric power before opening switch compartment.

5. DO install relief vent in highest point of gearbox.

6. DO use valve stem covers of sufcient length.

7. DO clean electrical enclosure ange thoroughly & lightly grease before closing.

8. DO secure electrical enclosure bolts (10-12 ft-lbs).

9. DO follow an annual maintenance procedure.

10. DO use caution when working on, with, or around valves and actuators.

You can be dealing with high pressures, forces, voltages and ammable media.

1.2 DON'T

1. Don’t Start-up without reading this manual.

2. Don’t stack actuators.

3. Don’t store actuator on the ground unprotected.

4. Don’t lift the unit by clutch lever or handwheel.

5. Don’t lift a valve assembly by electrical actuator.

6. Don’t operate electrically without rst checking proper phase rotation, torque

and position limit switch adjustments (follow instructions on pgs 2, 4 and 5).

7. Don’t plug actuator motor by starting and stopping repeatedly to move a too

stiff valve. Check for cause.

8. Don’t jumper torque switches except as recommended by Wiring Diagram or

Valve Manufacturer.

9. Don’t use oversize thermal motor overloads to eliminate tripping problem.

Find cause and correct.

10. Don’t use a cheater to force the handwheel. You can damage gearing and shafts.

Find cause and correct.

11. Don’t torque seat valve, sluice gate or damper unless the valve manufacturer

recommends.

Section 1: Introduction

Installation and Maintenance Manual

E2K-402-0817 Rev. 3

September 2018

Introduction

1.3 Lubrication

Bettis Actuators are factory lled with a high quality lubricant carefully selected to insure

actuator performance under specied operating conditions. Refer to Bettis JOB SPEC

SHEET to identify the lubricant provided. Normal operation may not require lubricant

replacement.

1.4 Maintenance

At least once a year a check should be made of your Bettis actuator.

a. Disconnect all electrical power to actuator.

b. Open electrical enclosure. Inspect & tighten all electrical connections.

c. Visually inspect for any electrical or mechanical damage.

Replace worn or damaged components.

d. Check lubrication consistency and level. Fill or replace if required.

1.5 Pressure Relief

During operation of electric actuator, the gear temperature increase in combination with

variations of outdoor temperature will cause a small pressure build-up within actuator gear

box. Bettis furnishes Pressure Relief Vent Fitting Part No. 83385. Placement on Actuator

can be determined only after eld location and position of valve has been determined.

Select the highest 1/2 NPT vent location on actuator gear box; remove 1/2 NPT plug and

replace with 83385. The possible locations of vent are shown on Bettis Outline Drawing.

Section 1: Introduction

September 2018

Installation and Maintenance Manual

E2K-402-0817 Rev. 3

Introduction

1.6 Short Term Storage

(Stored at Job Site less than one year from shipment)

1. Actuator should be stored with motor shaft in horizontal position and electrical

enclosure in either the horizontal or vertical position.

Figure 1

LSM

Cover

PWR

Cover

2. Actuator should be stored indoors free from job site dirt, mud, moisture and

temperature changes.

3. If indoor storage is not possible, the actuator must be stored off the ground above

possible water or snow level. Remove M2CP and store with other electrical and

electronic equipment in protected warehouse. If M2CP is not removed, Space

heater MUST be energized to protect electrical controls.

4. Bettis supplies NPT plugs in each conduit entry. Do not remove until electrical

hook-up. The customer conduit should be routed to enter electrical enclosure

at 1-1/2 (1.50) NPT located at lowest point, so condensation does not drain into

enclosure and damage parts.

5. Cover units loosely with a plastic sheet. This serves as partial protection from rain.

1.7 Long Term Storage

(Stored more than one year from shipment)

1. Store indoors or M2CP should be removed and stored in a protected area. Follow

procedures of short term storage.

WARNING

Failure to store actuator properly ill void warranty of electical & electronic components.

Section 1: Introduction

Installation and Maintenance Manual

E2K-402-0817 Rev. 3

September 2018

M2CP Electrical Hook Up

Section 2: M2CP Electical Hook Up

Remove PWR and TBM covers to expose terminals for customer wiring. Bettis Modular

Control Package (M2CP) is available congured in many combinations of electrical and

electronic parts. Refer to WIRING DIAGRAM and Bettis JOB SPEC SHEET for components

provided by Bettis. Connect control wires to TBM and Power (motor) Voltage to PWR

terminals. If optional M2CP mounted circuit breaker was specied, connect power voltage

leads to circuit breaker. Bettis terminal blocks are furnished with wire binding screw

connectors with rising captive plates, allowing eld connection by several methods: 1) strip

and connect bare wire, 2) strip and install wire ferrule, 3) strip and install crimp-on insulated

or non-insulated ring tongue or similar terminal. Circuit Breaker accepts 1) bare wire strip, or

2) wire ferrule.

Figure 2

bare wire strip.400

.375 10 AWGmax

#8-32 (600V max)

bare wire strip

#6-32 (230Vmax

)

18-8 AWG (600V max)

.315

bare wire strip .450

.315 12 AWGmax

(

)

bare

Circuit

Breaker

PWR

Terminal s

TBM

Terminal s

Section 2: M2CP Electrical Hook Up

September 2018

Installation and Maintenance Manual

E2K-402-0817 Rev. 3

M2CP Electrical Hook Up

2.1 Electrical Hook Up

Step 1. Move valve to mid-position by handwheel. This will allow sufcient time to

stop actuator in case of improper hook-up or reversed incoming power

voltage phases.

Step 2. Identify a means of removing power from actuator during check out.

Be sure no erroneous remote control signal can be received causing

actuator to energize.

Step 3. Energize Open control to check operation of contactor and pushbuttons.

Open controls must move valve in Open direction. If valve Closes, actuator

must be stopped and power input must be rewired.

CAUTION

If voltage is improperly phased, Torque and Position Limit Switches are not in circuit to

protect valve.

Step 4. Seal all eld conduit entries in accordance with National Electric Code.

Section 2: M2CP Electrical Hook Up

Installation and Maintenance Manual

E2K-402-0817 Rev. 3

September 2018

Assembly to Valves

Section 3: Assembly to Valves

3.1 Threaded Valve Stem

3.1.1 Locknut Lockpin Installation

Figure 3

1. With actuator in place on valve, ensure proper ange mating and valve actuator

orientation.

2. Use a number 30 (.1285) drill bit to drill a hole 3/4 inch deep into the Drive Sleeve

assembly threads for the Locknut Lockpin (56) using groove in Stem Nut Locknut

as drill guide.

3. Install Locknut Lockpin (56) into drilled hole to prevent Stem Nut Locknut from

working loose and turning.

NOTE:

Install Locknut Lockpin (56) into drilled hole to prevent Stem Nut Locknut from working

loose and turning. When installing, the Locknut Lockpin - it should extend 1/4 inch above

the Drive Sleeve assembly to allow for future removal.

3.1.2 Stem Nut Installation (Multi-turn)

1. Unscrew Locknut (55) holding Bronze Stem Nut (54) and remove the Stem Nut and

Key (52).

2. Lubricate Stem and run Stem Nut down Stem to check acme thread t, then

remove Stem Nut and set aside.

Section 3: Assembly to Valves

September 2018

Installation and Maintenance Manual

E2K-402-0817 Rev. 3

Assembly to Valves

3. Lower actuator over Stem onto valve ange. The screws thru valve ange into

actuator must engage a minimum of one full screw diameter deep into bottom

base and be tightened to a preload. See assembly drawing for screw size and

torque to tighten properly.

3.2 Mounting Screws

If Bettis supplied adaptation, the mounting screws are included. If adaptation to valve was

the responsibility of others, the mounting screws are not furnished by Bettis. Screws thru

adapter MUST engage a minimum of one screw diameter deep into Bettis actuator base.

1. Screw Stem Nut on Stem until it enters Drive Sleeve. Line (52) Key and (54) Drive

Sleeve keyway and insert (52) Key.

2. Turn handwheel in Open direction, pulling Stem Nut into Drive Sleeve until it

bottoms out (valve will begin to open).

CAUTION

Locknut must be tight against stem nut.

3. Lower Locknut (55) over Valve Stem and screw into place rmly against top of

Stem Nut. Tap Locknut ears using brass drift until tight.

3.2.1 Thrust Spool (Model 4000 & 5000)

1. Locate Thrust Mounting bolts.

2. Remove eight mounting bolts and separate Spool from actuator.

3. Position Spool over Valve Stem. Thread Spool onto Valve Stem until it meets valve

plate.

4. Bolt and secure Spool onto valve.

5. Position actuator above Spool. Lower actuator onto Spool while manually rotating

the unit until ears on Stem Nut and ears on main Drive Sleeve mesh.

6. Grease ange face before securing unit to Spool.

7. Re-install thrust plate mounting bolts. Tighten to proper torque.

NOTE:

Reverse procedure if Stem Nut needs to be replaced. Actuator does not need to be

returned to factory for this procedure.

Section 3: Assembly to Valves

Table of contents

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