Honeywell LKS 310 Instruction Handbook Manual
LKS 310
Actuator for air dampers on multi-stage
and modulating burners
Instruction Handbook
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
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.
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LKS 310 Actuator for air dampers on multi-stage and modulating burners
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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 adjusted steplessly within the operating range using the associated
cam disc. Manually adjustable lever-operated cams or spindledriven cams, which can be adjusted with a screwdriver, are available.
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
Diagram 2)Shaft 3)Drive
Nr. Nr. s Nm 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
Counter-clockwise rotation
Diagram 2)Shaft 3)Drive
Nr. Nr. s Nm 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)
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
1)
time
time
Load
4)
torque
1)
Load
4)
torque
5)
5)
Holding
torque
Holding
torque
Voltage
Voltage
6)
Type Remarks
6)
Type Remarks
7)
7)
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LKS 310 Actuator for air dampers on multi-stage and modulating burners
Technical data Ordering information
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 crosssection
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 spindledriven, with superimposed scale
Position indicator if desired the cover can contain a win-
dow and pointer, internally via a corunning 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
Actuating angle 90°, in exceptional cases also larger
Mounting position any
Protection IP54, with appropriate design of the
Cable entries 2 x PG11
Cable connection terminal block for 0.5 mm
Direction of rotation see “Type overview”
Torque and holding
torque
Drive times 3.5 ... 30 sec for 90°
Limit and auxiliary
switches
EN1C-0114SZ20 R0506
Ambient temperature operation 0....+60° C
N (according to VDE 0785)
cable entries, cover without window
(DIN 40050)
2
2.5 mm
see “Type overview”
max. 7
operation with adjustable cam discs,
cams coloured in normal way:
switching voltage
AC 24 .... 230 V
switching capacity
with inductive loads 250 VA
transport and storage
-20....+60° C
(max.)
blue fully closed position
orange low load
red high load
black spare switches for
additional functions
2
(min.) and
LKS 310-15 A 5D - 30 S1
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.
CAUTION
Condensation, icing and exposure to water not
permitted
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
A clockwise
B counter-clockwise
Model
Series
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