Satchwell ALM Series Bedienungsanleitung

DS 3.401

11/99

ALM, ALX, ALE

An Invensys company

LINEAR ACTUATORS

Specification no. 477-X-XXX†

Satchwell Linear Actuators type 'AL' are reversing actuators having a

linear output, for direct coupling to Satchwell lift and lay seat-type

control valves or other seat valves requiring a linear driver over stroke

lengths of up to 38mm (1½"), within the limits of output thrust stated

overleaf and with compatible mounting arrangements.

These actuators are suitable for either two-position or modulating

control,dependentonthecontrollerorotherswitchingdeviceproviding

the input signal. The ALM is suitable for a mains power supply, the ALX

is 24V, and the ALE is 24V, but accepts a 0-10Vdc input signal.

The ALE actuator can be set to operatea low hysteresis when used for

tight control applications on microprocessor based controllers such as

the KMC and MMC.

FEATURES

•Direct coupling to Satchwell seat valves without extra

mounting brackets or linkage kits, saving site time

•Direct coupling to other makes of seat valves, where stroke,

thrust and mounting are compatible

•Universal for valve strokes, up to 38mm (1½"). Actuator stroke

is self-setting to suit valve stroke, including ALE by simple

adjustment

•Alternative stroke times, to suit application

•Manual operation or override facility built-in

•Standard or low hysterisis selection on ALE to cater for

different application types

•Case sealed to IP 54 as standard

•Auxiliary switch kit available, see 'Accessories'

† For the full specification number replace the 4Xs with the

appropriate figures from the 'TYPE' column in the table

on page 2.

MLI 3.401 - Mounting Instructions

Valves

DS 4.410 - VZ, VSF, VZF

DS 4.610 - MZ, MJF, MZF

DS 3.401 2 - 10 11/99

SPECIFICATIONS

ACCESSORIES

Auxiliary Switches: Kit 831-1-211 available for internal mounting.

Two voltage-free change-over switches rated 5A, 250V. Adjustable,

one from position 0 to 5, the other from position 5 to 10 (see Table on

page 2 for usage).

Spindle Adaptor: Kit 862-1-402, ¼" 32-UNEF female x 3/8" 24-UNF

male. One supplied with each actuator, except ALX 1251 and

ALE 1352, for which it is not required.

TYPES ALM 1601 ALX 1201 ALX 1251 ALE 1302 ALE 1327 ALE 1352 ALE 1376

STROKE Standard Standard Short Standard Standard Short Standard

POWER SUPPLY: 220 to 240V +10% to -15%,

50/60 Hz 24V ±10%, 50/60 Hz

supplied by a transformer

conforming to EN 60742

24V ±10%, 50/60 Hz supplied by a

transformer conforming to EN 60742

POWER

CONSUMPTION:

LIMIT & TRANSFER

SWITCH RATING:

4.5 VA

3.5 VA

0.75A

3.5 VA

0.75A

9.5 VA

–

12 VA

–

9.5 VA

–

12 VA

–

RUNNING SPEED:

1.8 s/mm (46 s/in)

2.5 s/mm (64 s/in)

5.0 s/mm (127 s/in)

8.5 s/mm (216 s/in)

–

•

–

•

–

•

–

•

–

•

–

•

–

•

–

MAXIMUM STROKE:

16 mm (5/8")

38mm (1½") –

•–

••

––

•–

••

––

•

THRUST

311N

538N –

•–

••

––

•–

••

––

•

AUXILIARY

SWITCHES Two 5A, 250V

Adjustable

Use kit 831-1-211

Two 5A,

250V

Adjustable

Use kit

831-1-211

One 5A,

250V

Fixed

Built-in

Two 5A, 250V

Adjustable

Use kit 831-1-211

One 5A,

250V

Fixed

Built-in

Two 5A, 250V

Adjustable

Use kit

831-1-211

INPUT: CONTROL

SIGNAL (for

modulation)

Pulsed - Mains

(220 to 240Vac) Voltage Pulsed - 24V 0-10Vdc

APPLICATION Two-position control from

thermostat,time switch orother

switching device having (220/

240Vac) mains rated

changeover contacts.

Modulating control from any

controller having a 3-wire

mains output (220 to 240Vac).

Modulating control from any

controller having a pulsed

24V output.

Modulatingcontrolfrom anycontrollerprovidinga 0-10Vdc

positioning signal.

Start and Span adjustments, also DA/RA switch included.

Refer to 'Operation'.

ASSOCIATED

CONTROLLERS: CMC, CSMC MMC, CXR, CXT, IAC, URC MMC, KMC, DRTE, DDTE, DSTE, DWTE,

CZT, BAS, IAC MMC, KMC,

BAS, IAC

CSC CSC –

ASSOCIATED

VALVES:

2 - Port: See DS 4.110

VSFupto25mm

VZ up to 2" VSFupto25mm

VZ up to 2" VSF up to 25mm

VZ up to 2"

VSF 32 to

50mm

VZF 65 to

150mm

–

–VSF 32mm to 50mm

VZF65to150mm –

–VSF 32 to

50mm

VZF 65 to

150mm

3 - Port: See DS 4.610 MJFupto50mm

MZ up to 2"

MZF up to 150mm

MJFupto25mm

MZ up to 2" MJFupto25mm

MZ up to 2"

MJF 32 to

50mm

MZF 65 to

150mm

–

–MJF32to50mm

MZF65to150mm –

–MJF 32 to

50mm

MZF 65 to

150mm

Action: Reversing - modulating

Stroke Time: See table above

Protection Class: IP 54

Mounting Attitude: See 'Installation Instructions' on page 5

Ambient Temperature Limits: Operating: -20 to 50°C

Storage: -40 to 70°C

Max. Ambient Humidity: Operation & Storage: 95% rh non-condensing

Manual Operator and Override: Standard feature with all types

11/99 3 - 10 DS 3.401

Note: Actuators ALX 1251 and ALE 1352 are short stroke actuators

and cannot connect to any valves using the linkage kits detailed in the

above table.

CONSTRUCTION

VALVE STROKE TIME

This table gives total stroke time related to type, size and stroke of valve with type of actuator used.

LINKAGE KITS

SPECIFICATION VALVE

MANUFACTURER VALVE

LNK 1501 Landis & Gyr VVF52

LNK 1502 Honeywell V5011A

LNK 1503 Fisher Y Body ¾" to 1½", A Body 1½"

LNK 1504 Fisher Y Body 2" to 3", A Body 2" to 4"

LNK 1505 Hymatic 1700 ¾" to 1½", 1450 1¼", 1400R 1½"

LNK 1506 Hymatic 1400R 2" to 3", 1700 2" to 3"

LNK 1521 Siebe VB up to 2"

Case: Mild steel baseplate with moulded polycarbonate housing and removable terminal cover (fire resistant

to UL94V-0).

Mounting Bracket: Die cast aluminium

Protection Class: IP 54

Drive: Operates on screw-jack principle, driven by a reversible synchronous motor via a gear train.

Motor: Split phase, capacitor reversing type, continuously rated.

Gear Ratio: Standard speed (8.5 s/mm) 89:1

Medium speed (5.0 s/mm) 51:1

Fast speed (2.5 s/mm) 51:1

Super Fast speed (1.8 s/mm) 27:1

Spindle Coupling: Freely rotating coupling, screwed:

3/8" 24-UNF, female (ALM 1601, ALX 1201, ALE 1302, 1327, 1376)

¼" 32-UNEF, female (ALX 1251, ALE 1352)

Manual Operator & Override: Hand operator with gear train disengagement feature.

Position Indicator: Spindle anti-rotation plate moves against stroke scale on mounting bracket. Marked 0 to 10,

representing 0 to 100% stroke. Fix scale to suit valve stroke, see 'Commissioning'.

Limit & Transfer Switches: ALM & ALX: Load dependent switches, self-adjusting to match valve stroke. Control signal transfers

from terminal 1 to 1T and 2 to 2T at respective limits of valve stroke (not electrically separate).

ALE: Limit switches operate as for other actuators, but are internally connected between electronics

card and motor windings. The transfer function is not necessary as multi-stage sequencing is derived

from the 0-10 Volt output signals from the MMC or other multi-stage controllers.

Electronic Positioner:

(ALE only) Built-in printed circuit board connected by plug and socket for easy servicing. Internally connected to

1000 Ohm position feedback potentiometer, driven via gears from output shaft. Separate 0-10Vdc

output signal available to monitor position or as a service aid.

Terminals: Accept 2 x 1.5mm² or 1 x 2.5mm² cable

Conduit Entries: Three x 21mm dia. knockout (detachable plate). (Use only bottom two on ALE.)

Auxiliary Switches: Available as add-on accessory, see 'specification'.

Note: ALX 1251 and ALE 1352 have one voltage-free single pole change-over switch rated 5A, 250V,

built-in. Operating point, non-adjustable, is just before limit switch at position '0'.

VALVE TYPE AND SIZE VALVE

STROKE VALVE STROKE TIME (Secs)

Actuator speed

8.5 s/mm Actuator speed

5.0 s/mm Actuator speed

2.5 s/mm Actuator speed

1.8 s/mm

VZ & MZ ½" & ¾"

VSF & MJF 15mm 9.5mm (3/8") 81 48 24 17

VZ & MZ 1"-2"

VSF & MJF 20, 25mm 15.9mm (5/8") 135 80 40 29

VSF & MJF 32-50mm

VZF & MZF 65-100mm 25.4mm (1") 216 – 64 46

VZF & MZF 125, 150mm 38mm (1½") 323 – 95 69

DS 3.401 4 - 10 11/99

OPERATION

WHEN ACTUATOR IS OPERATING BEWARE OF TRAPPING

FINGERS ETC.

The stroke of the 'AL' Linear Actuator is self-setting, using load-

dependent switches, and is determined by the stroke of the valve. The

ALE requires only a simple adjustment. Consequently, all

specifications of actuator are universal and can be fitted to any seat

valve having a stroke length within its nominal range, see details under

'Specifications' on page 2 and 'Valve Stroke Time' on page 3.

The drive can be disconnected for manual operation. A button located

on the top surface of the enclosure is connected to a spring loaded

push rod assembly. When depressed this moves the 2nd gear out of

mesh, this mechanism can be locked in place by moulded ledges in the

housing. Adjacent to thisis a manual operation key,which is clipped in

place on the top surface of the enclosure. The key can be fitted into a

slotted feature in the end of the main drive shaft, which protrudes

through the top surface of the enclosure. With the drive shaft

disconnected from the gearbox/motor the manual operation key can be

used to provide manual operation of the actuator.

ALM and ALX Actuators

The load-dependent switches perform a combined limit and transfer

function. The limit switches de-energise the actuator at the end of

stroke, whilst the transfer switches are used basically for sequence

operation in multi-stage applications. Where additional switching or

interlocking functions are required, use the add-on auxiliary switch

accessory or built-in auxiliary switch detailed under 'Specifications'.

When energised between terminals 1 and 3, the actuator moves its

spindle towards the fully extended position, to open a Satchwell 2-port

or 3-port valve to the heat exchanger.

Conversely, when energised between terminals 2 and 3, the actuator

moves its spindle towards the fully retracted position, to close the

valve.

The load-dependent limit switches transfer the control signal from

terminal 1 to 1T and from terminal 2 to 2T at the respective limits of

valve stroke.

ALE Actuators

The ALE incorporates an electronic positioner and provides

modulating control from any controller having a 0-10Vdc output. Using

the 'START' and 'SPAN' adjustments, the actuator can be set to make

a complete stroke overany span from 4 to 10 volts, starting at any point

within the signal range,providing the sum of 'START' Volts plus 'SPAN'

Volts does not exceed 10. The load-dependent limit switches operate

basically as described for the ALM and ALX, but are internally

connected between the electronics card and the motor windings.

Where additional switching or interlocking functions are required, use

the add-on auxiliary switch accessory or built-in auxiliary switch

detailed under 'Specifications'.

A separate 0-10Vdc output is available (terminal 11) for indicating

actuator position to a Building Management System or as a Service

and Commissioning aid.

ALE actuators can be set to operate a low hysteresis when used for

tight control applications on microprocessor based controllers. The

hysterisis is set by using a jumper link on the actuator PCB (see the

commissioning section for details). A low hysterisis setting gives 200

steps between 0 and 10Vdc input and the standard setting gives 25

steps.

The following adjustments are made on the electronic printed circuit

board, accessible behind the removable front cover.

ALE ACTUATOR POSITION FOR TYPICAL SETTINGS OF 'START',

'SPAN' AND 'ACTION'

AUXILIARY SWITCHES

An auxiliary switch kit 831-1-211, comprising two single-pole

changeover switches, is available as a separate accessory. The two

electrically-separate switches can be independently set, one to

operate at any point between positions 0 and 5 and the other between

positions 5 and 10.

(Not applicable to ALX 1251 or ALE 1352, which have one fixed

auxiliary switch built in).

Auto

position Manual

position

ADJUSTMENT MARKED FUNCTION Factory

set at:

Slide Switch Selects Direct or Reverse Action

signifies increase of actuator

positionwith increasinginput

dc Volt signal.

signifies the reverse of this.

Potentiometer START

(0-10V) Setsthecommandsignalvoltage

at which the actuator

commences to move from zero

position.

Potentiometer SPAN

(4-10V) Sets the change in command

signal Voltage which will cause

actuator to move through

complete stroke to positing 10.

10V

Potentiometer STROKE Matches operation of actuator to

desired valve stroke. 16mm

Fig.1

Slide switch at

Actuator

Position

Actuator

Position

Slide switch at

Signal Volts

11/99 5 - 10 DS 3.401

INSTALLATION

Observe the following IMPORTANT points:

WARNINGS -

WHEN OPERATING A VALVE HANDLING FLUID ABOVE 100°C, DO

NOT MOUNT ACTUATOR ABOVE VALVE, BUT TO ONE SIDE.

WHEN ACTUATOR IS OPERATING BEWARE OF TRAPPING

FINGERS ETC.

•Do not switch on power supply until commissioning checks have

been completed - see page 7.

•Steam Applications: Following a shutdown of the steam system

it is important that the control valve is fully open before

introducing steam into the pipeline (purging) or damage may

occur to the actuator spindle or valve plug.

•Do not apply power unless the actuator is fitted to a valve.

•Ambient temperature must be within limits -20 to 50°C.

•Do not install valve with actuator directly underneath it.

•Allow sufficient clearance for fitting and wiring, also minimum of

110mm between manual operator knob and nearest obstruction.

•Complete mechanical fitting of actuator to valve BEFORE

connecting electrical wiring. This avoids damage which may occur,

due to load-dependent limit switches not being operated.

•Ensure location is reasonably clean and dry.

Note: The following diagrams are typical internal views (ALX 1251

and ALE 1352 are not shown).

ACTUATOR FITTING INSTRUCTIONS

1. a. Actuators ALM 1601, ALX 1201 and ALE 1302, 1327, 1376 are supplied

withadaptor 'A'fitted,fordirectcouplingtovalveswith¼" diameter spindle.

When coupling any of these actuators to valves with 3/8" diameter spindle,

first loosen locknut 'F' then remove and discard adaptor 'A'.

b. Actuators ALX 1251 and ALE 1352 have coupling 'E' to suit valves with ¼"

diameter spindle only. Adaptor 'A' is not applicable.

2. Remove lug nut 'C' from valve bonnet, locate actuator mounting bracket over

valve bonnet, replace lug nut and tighten, with actuator correctly positioned to

give clear access for conduit entry and wiring.

3. For size 125 and 150mm valves, remove and discard lug nut and fix actuator

mounting bracket to valve bonnet, using the four screws 'D' supplied.

4. Lift valve spindle into actuator coupling 'E' or adaptor 'A', as applicable and

screw on fully. Do not over-tighten. Lock using nut 'B' supplied. Use manual

operator to position coupling 'E' to required extension, as necessary,

particularly when assembling to small size valves, but avoid over-extending or

retracting actuator spindle to prevent malfunction or damage.

5. If subsequently removing the actuator to service valve gland, for example, it is

IMPORTANT to isolate power supply to controller or actuator or otherwise

select the 'Manual' position on the manual operator push button. This will avoid

malfunction or damage due to actuator spindle being accidentally driven

beyond its normal stroke limits.

WIRING

1. Remove cover 'A' and conduit plate 'B' (see Fig.3). Fit flexible

conduit to plate, allowing sufficient length to permit removal of the

actuator.

2. Connect cables in accordance with system wiring diagram or refer to

diagram inside cover in conjunction with controller diagram. Earth

actuator, where applicable, using the top (ALM, ALX) or bottom

(ALE) terminal screw. Observe 'Wiring precautions' (page 7). Keep

wiring clear of internal moving parts.

3. Replace conduit plate and cover.

Caution

Do not switch on power supply until commissioning checks 1 to 6

have been completed.

Fig.2

WARNING

LABEL

Fig.3

DS 3.401 6 - 10 11/99

FITTING AUXILIARY SWITCHES - KIT 831-1-211

WARNING -

AUXILIARY SWITCHES MAY BE AT MAINS POTENTIAL.

Note: When used with the ALE actuator, fit auxiliary switch kit AFTER

carrying out stroke setting procedure. See 'Commissioning'.

1. Remove cover.

2. Undo fixing screw of main terminal block bracket 'A' and reposition

adjacent to conduit entry (Fig.4). Use the locating hole to position

bracket and tighten fixing screw. (Not applicable to ALE).

3. Push the switch operating rod 'C' into the large hole in the base of

the actuator case (see Fig.5) until it clicks into the anti-rotation

bracket (G above).

4. Fit auxiliary switch kit bracket 'B' in original position of main

terminals, adjacent to vertical switch operating rod 'C' (Fig.5). Use

the locating holes provided and tighten fixing screws.

5. Note that micro-switches are adjustable, one (S1, S2 & S3) between

actuator positions 0 and 5, the other (S4, S5 & S6) between

positions 5 and 10.

6. To adjust the switches, energise actuator (if commissioning in

progress) at correct voltage and run to position at which one switch

is required to operate. Alternatively, use manual operator facility.

7. Loosen micro-switch fixing screws 'D' and slide assembly with

terminal block to point at which vertical operating rod 'C' just

operates switch (Fig.6). Hold assembly in this position and re-tighten

fixing screws.

8. Now energise actuator, or use manual operator, to run actuator in

opposite direction to position at which second switch is required to

operate, then repeat the setting procedure, as items 5 & 6.

9. Connect cables in accordance with system wiring diagram. Ensure

that all wiring is kept clear of internal moving parts. Replace cover.

Fig.4

Fig.5 Fig.6

11/99 7 - 10 DS 3.401

COMMISSIONING

WARNING -

WHEN ACTUATOR IS OPERATING BEWARE OF TRAPPING

FINGERS ETC.

BEFORE SWITCHING ON POWER SUPPLY:

ALM and ALX Actuators

1. Check that all control equipment is correctly located and fitted.

2. Check ambient temperature conditions.

3. Check that actuator has been correctly assembled to valve, up to

the stage when electrical power is called for.

4. Remove terminal cover and check that all control circuit wiring is

correct and in accordance with the overall control system wiring

diagram. Check that the electrical supply voltage is correct.

5. Note: Wiring errors not only cause malfunctions; they may also

damage controllers and/or actuators.

6. Replace terminal cover. Set manual override push button to 'Auto'

position.

7. Now switch on power supply.

8. Check that the actuator functions correctly by operating the

controlling switch or adjusting the controller set value above and

belowthe temperature (or humidity)currentlyexisting atthesensor

(or simulated). This must be within the scale limits.

If the actuator forms part of a multi-stage system in which several

actuators operate in sequence, wait until the appropriate stage is

reached.

9. Whilst checking actuator travel over full stroke of valve, run

actuator to fully retracted position. Select self-adhesive indication

scale to match valve stroke, from set of four scales provided. Fix

scale along outside edge of actuator mounting bracket, in position

where it will be most clearly visible, lining up top edge of anti-

rotation plate on actuator spindle with position '0' on scale (Fig.7).

10. If auxiliary switches are fitted, remove terminal cover to check for

correct operation and switching functions. Replace terminal cover.

ALM, ALX WIRING PRECAUTIONS

WARNING -

ALM ACTUATORS AND AUXILIARY SWITCHES (WHERE FITTED)

ARE AT MAINS POTENTIAL. OBSERVE LOCAL WIRING

REGULATIONS, EARTHING REQUIREMENTS AND ALL USUAL

SAFETY PRECAUTIONS.

* When wiring to BAS outstations refer to the appropriate outstation

data sheet for the wiring precautions.

For longer lengths, increase cable size and observe max. resistance.

Screen feedback wiring, or use MICC or run in a separate conduit,

when applicable.

Caution

Do not connect ALM or ALX actuators in parallel.

ALE Actuators

BEFORE SWITCHING ON POWER SUPPLY:

•Check that all control equipment is correctly located and fitted.

•Check ambient temperature conditions.

•Check thatactuator hasbeen correctly assembled to valve, up to the

stage when electrical power is called for.

•Remove terminal cover and check that all control circuit wiring is

correct and in accordance with the overall control system wiring

diagram. Check that the electrical supply voltage is correct.

Note: Wiring errors not only cause malfunctions; they may also

damage controllers and/or actuators.

Setting the Actuator

The following instructionsMUST be followed to initiallyset the actuator

stroke and each time the actuator is transferred to a different valve.

Set all adjustments as follows (see Fig.8):

1. Set manual override push button to 'auto' position.

2. Remove wire from terminal 9, ensuring a 0Vdc supply.

3. Switch on 24V supply. The actuator drive screw will run until it is

fully retracted (position 0) operating its limit switch.

4. Wait until the drive screw has stopped moving before continuing.

5. Loosen the pot fixing screw 'H'. By sliding the pot assembly

towards you, disengage gear 'E'from the main drive shaft. Turn the

pot gear 'E' by hand in the anti-clockwise direction (when viewed

from above) until the end stop is reached. Gently slide the pot

assembly back into position so that the pot gear 'E' engages with

the main drive shaft. Do not apply too much force in meshing the

gears as over pressure will result in reduced life. Re-tighten the

location fixing screw 'H'.

6. Check that the voltage between terminal 7 and 11 is 0.1V ±100mV.

7. Reconnect wire to terminal 9.

8. Adjust controller set value to give 10Vdc output.

9. Check that the Voltage between terminals 7 and 9 is approximately

10Vdc.

10. Change the 'START' setting from '10' to '0'. The actuator drive

screw will now run until it is fully extended (position 10).

11. Wait until the drive screw has stopped moving before continuing.

12. Adjust the 'STROKE' setting in an anti clockwise direction until

Voltage measured between terminals 7 and 11 is 9.9V ±100mV.

13. Select and fix the appropriate self-adhesive stroke indication label

to the actuatorbracket. The relevant stroke length can be found on

the appropriate Satchwell data sheet for the valve being used.

14. Re-set 'START', 'SPAN' and 'DA/RA' adjustments as required, to

suit control system. DO NOT alter 'STROKE' setting. Re-check

operation by adjusting controller set value so that actuator runs to

position '0'. If limit switch does not operate, adjust 'START' setting

very slightly anti-clockwise for 'DA' switch mode (clockwise for 'RA'

switch mode) until limit switch does operate. Now adjust controller

set value so that actuator runs to position '10'. If limit switch does

notoperate,adjust'STROKE'settingveryslightlyclockwisefor DA

and anti-clockwise for RA until limit switch does operate. Re-adjust

controller set value as required, to suit control system.

Wiring from actuator

to controller*: Max. length of 1.5mm²

cable unscreened Max. resistance

per conductor

24V/240V~ Supply 100m 5Ω

Fig.7

Adjustment Setting

START 'C' 10

SPAN 'D' 10

STROKE 'A' max. (fully clockwise)

DA/RA SWITCH 'B' + (DA)

HYSTERESIS JUMPER 'G' A-B or B-C

Fig.8

DS 3.401 8 - 10 11/99

15. Set the required hysterisis for the actuator using jumper 'G'. Low

hysteresis (200 steps) is used for tight control applications using

microprocessor based controllers and standard hysteresis (25

steps) is used for analogue controllers and standard applications.

See the table below for details:-

16. Fit, set and check auxiliary switches, if used, as described for ALM

and ALX (section 9).

17. Replace terminal cover.

ALE WIRING PRECAUTIONS

WARNING -

IF AUXILIARY SWITCHES ARE FITTED AND USED AT MAINS

POTENTIAL, OBSERVE LOCAL WIRING REGULATIONS,

EARTHING REQUIREMENTS AND ALL USUAL SAFETY

PRECAUTIONS.

* When wiring to BAS outstations refer to the appropriate outstation

data sheet for the wiring precautions.

For longer lengths of 24 Volt supply wiring, increase cable size and

observemaximumresistance, also runseparatereturnfromterminal7,

as Fig.12.

Terminals 7 and 10 are both at ground potential, provided for

convenience of wiring.

Where screening is required, use either screened cable, MICC or

cables run in a separate conduit.

Jumper 'G' set to

A-B 200Steps Jumper 'G' set to

B-C 25Steps

MMC, KMC, IAC, BAS Yes Yes

DRTE, DDTE, DWTE,

CZT No Yes

Wiring from actuator

to controller*: Max. length of 1.5mm²

cable unscreened Max. resistance

per conductor

24V/240V~ supply 100m 5Ω

0-10Vdc signal 100m 50Ω

10Vdc

0Vdc

10Vdc

0Vdc

11/99 9 - 10 DS 3.401

CONNECTION DIAGRAMS

BASIC DIAGRAM FOR ALM MAINS ACTUATORS BASIC DIAGRAM FOR ALX 24 VOLT ACTUATORS

BASIC DIAGRAM FOR ALE ACTUATORS SEPARATE 24 VOLT POWER SUPPLY TO ALE

TWO-STAGE SEQUENTIAL OPERATION

from one 0-10 volt command signal incorporating dead zone

AUXILIARY SWITCH 831-1-211

Fig.9

Signal on 1 drives towards '10'

Signal on 2 drives towards '0'

Thermostat or other

switching device

Note: Do not connect

ALM actuators in parallel

WARNING -

MAINS VOLTAGE ISOLATORS MUST CONFORM TO EN 60335-1.

Signal on 1 drives towards '10'

Signal on 2 drives towards '0' Note: Do not connect

ALX actuators in parallel

Controller

Auxiliary Switch

ALX 1251 only

S4 makes to S5 at position '0'

Non-adjustable

WARNINGS -

AUXILIARY SWITCHES MAY BE AT MAINS POTENTIAL.

MAINS VOLTAGE ISOLATORS MUST CONFORM TO EN 60335-1.

24VAC DEVICES MUST BE SUPPLIED BY A TRANSFORMER

CONFORMING TO EN 60742. Fig.10

Fig.11

Controller

Auxiliary Switch

ALE 1352 only

S4makestoS6atposition'0'

Non-adjustable

WARNINGS -

AUXILIARY SWITCHES MAY BE AT MAINS POTENTIAL.

MAINS VOLTAGE ISOLATORS MUST CONFORM TO EN 60335-1.

24VAC DEVICES MUST BE SUPPLIED BY A TRANSFORMER

CONFORMING TO EN 60742. Fig.12

WARNINGS -

AUXILIARY SWITCHES MAY BE AT MAINS POTENTIAL.

MAINS VOLTAGE ISOLATORS MUST CONFORM TO EN 60335-1.

24VAC DEVICES MUST BE SUPPLIED BY A TRANSFORMER

CONFORMING TO EN 60742.

Auxiliary Switch

ALE 1352 only

S5makestoS6atposition'0'

Non-adjustable

Controller

Ring Main

Fig.13

Controller

Set 'Switch' to

Set 'START' to 0V 6V

Set 'SPAN' to 4V 4V

STAGE 1

(Heating) STAGE 2

(Cooling)

STAGE 1

(Heating) STAGE 2

(Cooling)

Dead

Zone

Controller Output Signal

OUTPUT DIAGRAM

230Vac

Fig.14

WARNINGS -

AUXILIARY SWITCHES MAY BE AT MAINS POTENTIAL.

MAINS VOLTAGE ISOLATORS MUST CONFORM TO EN 60335-1.

Auxiliary

Switches

Adjustable over

range 0-5

Adjustable over

range 5-10

S4makestoS6at'0',orsetposition

S1 makes to S2 at '10', or set position

DS 3.401 10 - 10 11/99

Satchwell Control Systems Limited

Farnham Road

Slough

Berkshire SL1 4UH

United Kingdom

Telephone +44 (0)1753 550550

Facsimile +44 (0)1753 824078

www.satchwell.com

Printed in England. 11/99

DIMENSION DRAWING

Allow 110mm for removing

actuator from valve

3-21mm

conduit

entries

Dimension in mm

Refer to 'Maximum Stroke' details

Short Stroke Version

*H = 265mm (height)

Weight: 2.2Kg approx,

Standard Stroke Version

*H = 310mm (height)

Weight: 2.4Kg approx,

WARNINGS -

CERTAIN MODELS (AND AUXILIARY SWITCHES WHERE FITTED) ARE

AT MAINS POTENTIAL. LOCAL WIRING REGULATIONS AND USUAL

SAFETY PRECAUTIONS MUST BE OBSERVED. NOTE EARTHING

REQUIREMENTS.

MAINS VOLTAGE ISOLATORS MUST CONFORM TO EN 60335-1.

WHEN ACTUATOR IS OPERATING BEWARE OF TRAPPING FINGERS

ETC.

Cautions

•24Vac devices must be supplied by a transformer conforming to

EN 60742.

•Observe installation instructions on page 5.

•Observe wiring precautions on page 7.

•Do not apply power unless the actuator is fitted to a valve.

•Do not switch on power supply until commissioning checks have

been completed - see page 7.

•Ensure wires are not inadvertently crossed over. Wiring errors not

only cause malfunctions; they may also damage controllers and/or

actuators.

•Steam Applications: Following a shutdown of the steam system it is

important that the control valve is fully open before introducing

steam into the pipeline (purging) or damage may occur to the

actuator spindle or valve plug.

•Observe maximum and minimum ambient temperatures.

•Check thrust requirements and maximum differential of pressure of

valve to be driven. Do not exceed rated output thrust.

•Interference with those parts under sealed covers renders the

guarantee void.

•Design and performance of Satchwell equipment are subject to

continual improvement and therefore liable to alteration without

notice.

•Information is given for guidance only and Satchwell do not accept

responsibility for the selection and installation of its products unless

information has been given by the company in wiring relating to a

specific application.

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