Honeywell LKS 310 Manual

Instruction Handbook

www.honeywell.com 1

LKS 310

Actuator for air dampers on multi-stage

and modulating burners

APPLICATION

The LKS 310 air damper actuator is designed to be fitted to

multi-stage or modulating oil and gas burners with fully

closed position.

CONTENTS

Application ........................................................................... 1

Description ........................................................................... 2

Features ................................................................................ 2

Specification ........................................................................ 2

Type overview ..................................................................... 2

Technical data ..................................................................... 3

Ordering information ............................................................ 3

Standards and approvals .................................................... 3

Accessories ........................................................................ 3

Dimensional drawing ........................................................... 4

Shaft versions ..................................................................... 4

Circuit diagrams .................................................................. 5

Installation ............................................................................ 7

Safety Guidelines ................................................................ 7

Commissioning and Inspection .......................................... 7

Safety Guidelines ................................................................ 7

Function control .................................................................. 7

Repairing and Disposal ....................................................... 7

EN1C-0114SZ20 R0506

LKS 310 Actuator for air dampers on multi-stage and modulating burners

2 www.honeywell.com

DESCRIPTION

A synchronous motor powers an output shaft and a backlashfree

cam shaft via a gear reducer.

The cam shaft operates limit and auxiliary switches. The position

at which one of the limit or auxiliary switches operates can be ad-

justed steplessly within the operating range using the associated

cam disc. Manually adjustable lever-operated cams or spindle-

driven cams, which can be adjusted with a screwdriver, are avail-

able.

FEATURES

Electric actuator up to 15 Nm

• Drive times: 3.5 ... 30 sec.

• Gearing can be decoupled

• Position indicator

• Easily adjustable limit and auxiliary switches

• Synchronous motor

• Particulary stable design in aluminium housing

Variants:

• clockwise or counter clockwise rotation

• with integrated electronic circuitry

• different shaft versions

SPECIFICATION

Type overview

Clockwise rotation 1)

Counter-clockwise rotation 1)

Legende

1) when viewing from direction A (see dimensional drawing)

2) see “Circuit diagrams”

3) see “Shaft versions”

4) at 50 Hz for 90°

at 60 Hz, Drive times are about 20 % shorter

5) under nominal conditions

under extreme conditions (e.g. +60 °C, 230V -15%) the torques will be 25% lower

6) +10% -15%; 50...60Hz

at -15%; torque reduced by approx. 20% at undervoltage

7) Standard: Lever-operated cam

Diagram 2) Shaft 3) Drive

time 4)

Load

torque 5)

Holding

torque

Voltage 6) Type Remarks 7)

Nr. Nr. sNm Nm V

S1 5D 30 15 10 230 LKS 310-15 (A-5D-30 S1) Spindle-driven cam

S12 5D 30 15 10 230 LKS 310-21 (A-5D-30 S12) Spindle-driven cam

S7 5B 30 15 10 230 LKS 310-22 (A-5B-30 S7)

S7 5B 10 10 10 230 LKS 310-24 (A-5B-10 S7.1)

S7 5B 15 15 10 230 LKS 310-25 (A-5B-15 S7.1)

S12 5D 7 7 7 110 LKS 310-34 (A-5D-7 S12.1) Spindle-driven cam

S7 5C 30 15 10 230 LKS 310-35 (A-5C-30 S7) IP54

Diagram 2) Shaft 3) Drive

time 4)

Load

torque 5)

Holding

torque

Voltage 6) Type Remarks 7)

Nr. Nr. sNm Nm V

S8 5A 3,5 3,5 3,5 230 LKS 310-10 (B-5A-3.5 S8)

S7 5C 3,5 3,5 3,5 230 LKS 310-17 (B-5C-3.5 S7.1)

S7 5B 15 15 10 230 LKS 310-31 (B-5B-15 S7.1)

S7 5B 10 10 10 230 LKS 310-32 (B-5B-10 S7.1)

EN1C-0114SZ20 R0506

honeyvell.energy

LKS 310 Actuator for air dampers on multi-stage and modulating burners

www.honeywell.com 3

Technical data Ordering information

LKS 310-15 A 5D - 30 S1

Circuit version

Drive time for 90°

3,5 s (3 Nm)

7 s (7 Nm)

10 s (10Nm)

15 s (15 Nm)

30 s (15 Nm)

Type of drive shaft

5A, 5B, 5C, 5D

see “Shaft versions”

Direction of rotation

Aclockwise

Bcounter-clockwise

Model

Series

Standards and approvals

Conformity

Honeywell certifies herewith that the actuator LKS 310 complies

with the following regulations and standards:

• Standards of European Union 73/23 EWG and 93/68 EWG

• EN 60730-1 : 1991 A1 and A11 : 1991

• EN60730-2-5 : 1991

Accessories

Potentiometer-retrofit sets only on request.

Housing robust aluminium housing with plastic

cover

Weight approx. 1.8 kg

Drive motor reversible synchronous motor

Clutch red lever,

separates gearing from motor

Gearing spur gearing, maintenance-free

Drive shaft steel

PCBs for all electrical functions, increased

conductor thickness wire cross-

section

Connection system terminal blocks

Fitting and fastening front of gear acts as contact area.

Fixing from outside via M5 or M6

screws, thread in housing

Switch point setting stepless cam setting, lever-operated

or spindle-driven cams; if spindle-

driven, with superimposed scale

Position indicator if desired the cover can contain a win-

dow and pointer, internally via a co-

running pointer and scale

Mains voltage 230 V -15% +10%

Mains frequency 50 Hz or 60 Hz

Safety class I VDE 0631

Power consumption 7...15 VA

Duty cycle Depending on motor, 50 to 70 %

in 2 minutes

Interference

suppression

N (according to VDE 0785)

Actuating angle 90°, in exceptional cases also larger

Mounting position any

Protection IP54, with appropriate design of the

cable entries, cover without window

(DIN 40050)

Cable entries 2 x PG11

Cable connection terminal block for 0.5 mm2(min.) and

2.5 mm2(max.)

Direction of rotation see “Type overview”

Torque and holding

torque

see “Type overview”

Drive times 3.5 ... 30 sec for 90°

Limit and auxiliary

switches

max. 7

operation with adjustable cam discs,

cams coloured in normal way:

blue fully closed position

orange low load

red high load

black spare switches for

additional functions

switching voltage

AC 24 .... 230 V

switching capacity

with inductive loads 250 VA

Ambient temperature operation 0....+60° C

transport and storage

-20....+60° C

CAUTION

Condensation, icing and exposure to water not

permitted

EN1C-0114SZ20 R0506

LKS 310 Actuator for air dampers on multi-stage and modulating burners

4 www.honeywell.com

Dimensional drawing

Shaft versions

see below

alternatively

Shaft versions

Version 5B

Version 5A Version 5C

Version 5D

EN1C-0114SZ20 R0506

LKS 310 Actuator for air dampers on multi-stage and modulating burners

www.honeywell.com 5

Circuit diagrams

S7.2

EN1C-0114SZ20 R0506

LKS 310 Actuator for air dampers on multi-stage and modulating burners

6 www.honeywell.com

S10

S12

S11

EN1C-0114SZ20 R0506

LKS 310 Actuator for air dampers on multi-stage and modulating burners

www.honeywell.com 7

INSTALLATION

Safety Guidelines

1.Screw the housing cover securely in place to provide shock-

hazard protection on the actuator and all electrical connec-

tions.

2. Always lay the burner ignition cable separately and as remotely

as possible from the device and other cables.

3.Electromagnetic emissions must be checked on a case by

case basis.

COMMISSIONING AND INSPECTION

Safety Guidelines

Function control

For safety reasons the actuator should be tested on commission-

ing the installation as well as after a service or longer shut-down.

REPAIRING AND DISPOSAL

WARNING

• The regulations and standards applicable in each

particular case must be observed.

• Installation must only be carried out by qualified

technicians.

• Electrical wiring must comply with national and local

regulations.

• Disconnect the actuators completely from the

power supply when working close to terminals

and connections.

WARNING

• Commissioning and inspection may only be carried

out by qualified personnel.

• Carefully check all cabling and wiring prior to com-

missioning.

It is forbidden to do any repairing on actuator

LKS 310.

The distributor of the heating system assures the pro-

fessional disposol or the forwarding to the manufac-

turer for inspection.

EN1C-0114SZ20 R0506

LKS 310 Actuator for air dampers on multi-stage and modulating burners

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