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Building Technologies 

 

CC1N7106en 

HVAC Products 

 

20.02.2008 

Technical data 

Mains voltage 

AC 120 V +10% / -15% 
AC 230 V +10% / -15% 

Mains frequency 

50...60 Hz ±6% 

Power consumption 

12 VA 

External primary fuse (Si) 

Max. 10 A (slow) 

Mounting position 

Optional 

Input current at terminal 12 

Max. 5 A 

Weight Approx. 

160 

Safety class 

Degree of protection 

IP40 (to be ensured through mounting) 
(if RJ11 jack is not covered, only IP10) 

Perm. cable length terminal 1 

Max. 1 m at a line capacitance of 100 pF/m 
(max. 3 m at 15 pF / m) 

Perm. cable length from QRA… to 
AGQ3…A27 (lay separate cable) 

Max. 20 m at 100 pF / m 

Remote reset laid separately 

Max. 20 m at 100 pF / m 

Perm. cable length terminals 8 and 10 

Max. 20 m at 100 pF / m 
(lay separate cable) 

Perm. input voltage terminals 6 and 11 

AC 120 V +10% / -15% 
AC 230 V +10% / -15% 

Perm. cable lengths other terminals 

Max. 3 m at 100 pF / m 

Possible input current terminals 6 and 11 

0.5 mA 

 

Current rating 

At cos

ϕ

 

0.6 At 

cos

ϕ

 = 1 

- Terminal 3 

Max. 2.7 A  
(15 A for max. 0.5 s 

 only LME2…) 

Max. 3 A 

- Terminals 4, 5, 7 and 9 

Max. 1.7 A 

Max. 2 A 

- Terminal 10 

Max. 1 A 

Max. 1 A 

 

Signal cable 

Color white 
Unshielded 
Conductor 4 x 0.141 mm² 

Supplier Reference: 

Hütter 
http://www.huetter.co.at/telefonkabel.htm 
Order number: on request 

Location 

Under the burner hood (extra measures 
required for compliance with SK

II

 EN 

60730-1) 

 

Storage 

DIN EN 60721-3-1 

Climatic conditions 

Class 1K3 

Mechanical conditions 

Class 1M2 

Temperature range 

-20...+60 °C 

Humidity <95% 

r.h. 

Transport 

DIN EN 60 721-3-2 

Climatic conditions 

Class 2K2 

Mechanical conditions 

Class 2M2 

Temperature range 

-20...+60 °C 

Humidity <95% 

r.h. 

Operation 

DIN EN 60 721-3-3 

Climatic conditions 

Class 3K3 

Mechanical conditions 

Class 3M3 

Temperature range 

-20...+60 °C 

Humidity <95% 

r.h. 

 

Condensation, formation of ice and ingress of water are not permitted! 
 

General unit data 

Connecting cable  
Display 

 BCI 

Environmental 
conditions 

Summary of Contents for LME39 Series

Page 1: ......

Page 2: ... any tools or pointed objects Fall or shock can adversely affect the safety functions Such units must not be put into operation even if they do not exhibit any damage Each time work has been carried out mounting installation service work etc check to ensure that wiring is in an orderly state and make the safety checks as described in Commissioning notes The data line for the AZL2 display and opera...

Page 3: ...s is always responsible for the parameters their set tings and compliance of the respective application with the relevant national and inter national standards and safety regulations such as EN 676 EN 267 EN 1643 etc Siemens its suppliers and other Group Companies of Siemens Ltd do not assume responsibility for special or indirect damage consequential damage other damage or damage resulting from w...

Page 4: ... 11 refer to Connection diagram Connecting cable from LME39 to AZL2 or from LME39 to OCI400 OCI410 Since the BCI interface has no safe separation from mains voltage the connecting ca ble between LME39 and AZL2 or LME39 and OCI400 OCI410 must con form to certain specifications Siemens has specified the cable for use under the burner hood cable supplied by Hütter refer to Technical data When using c...

Page 5: ...to the flame detector Lockout at the end of TSA Max 3 repetitions b Burner operation with simulated loss of flame For that purpose cut off the gas supply Establishment of flame at the end of TSA Max 3 repetitions can be parameterized Factory setting Lockout No establishment of flame at the end of TSA Lockout c Burner operation with simulated air pressure failure not with atmospheric burners Immedi...

Page 6: ... face adapter The AZL2 display and operating unit is for direct connection to the burner control All safety related digital inputs and outputs of the system are monitored by the contact feedback network Operation and parameterization of the LME39 is accomplished with the AZL2 or via the OCI410 ACS410 Unlimited burner capacity thermal output on startup 120 kW 3 repetitions in the event of loss of f...

Page 7: ...37 5 4 2 75 1237 8 4 Increment s 0 147 0 294 0 147 0 147 0 294 5 0 147 1 Note on parameterization Use the AZL2 or ACS410 to always set the exact value of the required time multiples of increments of 0 147 seconds or 0 294 seconds When parameterizing minimum or maximum times the possibility of a 7 tolerance must be taken into con sideration For minimum values The value to be parameterized must be a...

Page 8: ... Max 3 m at 100 pF m Possible input current terminals 6 and 11 0 5 mA Current rating At cosϕ 0 6 At cosϕ 1 Terminal 3 Max 2 7 A 15 A for max 0 5 s only LME2 Max 3 A Terminals 4 5 7 and 9 Max 1 7 A Max 2 A Terminal 10 Max 1 A Max 1 A Signal cable Color white Unshielded Conductor 4 x 0 141 mm Supplier Reference Hütter http www huetter co at telefonkabel htm Order number on request Location Under the...

Page 9: ...etween ionization probe and ground AC voltmeter Ri 10 MΩ AC 50 120 V AC 115 230 V Switching threshold limit values Switching on flame on DC ammeter Ri 5 kΩ Switching off flame off DC ammeter Ri 5 kΩ DC 1 5 µA DC 0 5 µA DC 1 5 µA DC 0 5 µA Detector current required for reliable operation DC 3 µA DC 3 µA Switching threshold in the event of poor flame during operation LED flashes green Approx DC 5 µA...

Page 10: ...uence DC 280 V DC 280 V DC current detector signals with UV detector QRA Min required Max possible Measurement at the UV detector QRA 200 µA 500 µA With LME39 A2 burner controls use of the AGQ3 A27 UV ancillary unit is mandatory A The correct functioning of aged UV cells can be checked with a UV test by ap plying a higher voltage to the UV cell after controlled shutdown until terminal 3 carries vo...

Page 11: ...otor and the ignition equip ment are immediately deactivated 1 second Cause Response Mains failure Restart Voltage below undervoltage threshold Safety shutdown Voltage above undervoltage threshold Restart Extraneous light during t1 Lockout Extraneous light during tw Prevention of startup lockout after 30 sec onds at the latest No flame at the end of TSA Factory setting Lockout at the end of TSA Ca...

Page 12: ... controlled startup can be performed via R or else lockout will be initiated Counting of repetitions is restarted each time a controlled startup via R takes place Duty of PC tool software The PC tool is a component of the LME39 system and serves primarily as an operator module for the following basic tasks Visualization of system status with the following data Parameters Process data Configuration...

Page 13: ...ce adapter and the ACS410 PC software or flue gas analyzers of different makes 3 On the display of the AZL2 Visual diagnostics In normal operation the different operating states are indicated in the form of color codes according to the color code table given below During startup status indication takes place according to the following table Color code table for multicolor signal lamp LED Status Co...

Page 14: ...ror code table Red blink code of signal lamp LED AL at term 10 Possible cause 2 blinks On No establishment of flame at the end of TSA Faulty or soiled fuel valves Faulty or soiled flame detector Poor adjustment of burner no fuel Faulty ignition equipment 3 x blinks On LP faulty Loss of air pressure signal after t10 LP welded in normal position 4 blinks On Extraneous light when burner startup 5 bli...

Page 15: ...f LME39 400 NT RESET EK FSV ION L N M BV1 BV2 Z AL P 12 GP STB 7106a07e 1206 EK K1 K2 1 K2 2 K3 K4 K5 BCI H Si T R W 2 3 10 7 4 5 9 6 11 8 1 CPI DBR2 ZV1 μC control R W AL ZV1 BV1 BV2 Z FS tw t1 t3n TSA t4 7106d03 0706 11 10 3 7 4 5 1 t3 M 9 CPI 6 t22 SB GP 12 A B B C D EK2 8 A Times can be parameterized within the min max limits TSA t3n 0 7 s Other application examples The connection diagrams sho...

Page 16: ...ng time for actuator SA t12 Programmed closing time for actuator SA t22 2nd safety time TSA Ignition safety time tw Waiting time AGK25 PTC resistor AL Error message alarm BV Fuel valve CPI Closed Position Indicator DBR2 Wire link EK Remote lockout reset button FS Flame signal GP Gas pressure switch HS Auxiliary contactor relay ION Ionization probe KL Low fire LK Air damper LKP Air damper position ...

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