Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI REPAIR INSTRUCTIONS Serial number from 101120 Air Heater LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM © 2013 Leister Technologies AG, CH-6056 Kaegiswil These repair instructions may not be distributed or reproduced in part or in whole in any form without prior written consent from Leister Technologies AG, CH-6056 Kaegiswil Leister Technologies AG, CH-6056 Kaegiswil/Switzerland www.leister.com Tel +41 41 662 74 74 Fax +41 41 662 74 16 leister@leister.com Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI Table of contents Scope of applicability Safety precautions Remarks Conversion instructions Repair instructions 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 Final assembly 18 6.1 6.2 6.3 6.4 Check internal wiring Check components Check heating element Check leakage current circuitry Check temperature sensor (LHS 61S/L) Replacement of temperature sensor (LHS 61S/L) Check thermocouple (SYSTEM models) 10 Replacement of thermocouple (SYSTEM models) 11 Replacement of electronic circuit board 13 Check display electronics (SYSTEM models) 16 Replacement of cover with display electronics (SYSTEM models) 16 Check power controllers (triacs) 17 Replacement of power controllers (triacs) 17 Final assembly LHS 15 18 Final assembly LHS 21S/L 19 Final assembly LHS 41S/L 19 Final assembly LHS 61S/L 20 Test procedure 21 Test instructions 23 8.1 8.2 8.3 8.4 8.5 8.6 LHS Field Tester description 23 LHS Field Tester start of operation 24 Check leakage current protection circuitry 24 Check communication interface (SYSTEM models) 29 Check potentiometer mode (SYSTEM models) 32 Check closed loop interface mode (SYSTEM models) 33 DIP switch and operating mode (SYSTEM models) 35 10 Error messages 36 11 Table heating elements: Resistances / Load resistors 37 11.1 11.2 11.3 11.4 Heating elements LHS 15 37 Heating elements LHS 21S/L 37 Heating elements LHS 41S/L 37 Heating elements LHS 61S/L 37 12 Wiring diagrams 38 12.1 12.2 12.3 12.4 LHS 15 and LHS 21S/L (CLASSIC / PREMIUM / SYSTEM) 38 LHS 41S/L (CLASSIC / PREMIUM / SYSTEM) 39 LHS 61S/L three-phase (CLASSIC / PREMIUM / SYSTEM) 40 LHS 61S/L one-phase (CLASSIC / PREMIUM / SYSTEM) 41 13 Equipment required for Leister repair service 43 Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI Scope of applicability These repair instructions are reserved exclusively for Leister service centres Only experienced and qualified personnel trained by Leister Technologies AG, CH-6056 Kaegiswil, are allowed to repair work on Leister tools Additional national requirements relative to personnel carrying out repair work are to be observed by each service centre Safety precautions A well-equipped ESD-protected working place according to chapter 13 (page 43) "Equipment required for Leister repair service") is essential for doing qualified work For safety reasons use only identical original Leister replacement parts for each type of tools when servicing Warning! If you open the tool or remove its parts, except the ones they are accessible without using a tool, some life parts could appear Its contact can cause danger to life! Insure tool is disconnected from the line/mains on every pole before any work is commenced! Repaired tools must pass the Leister test procedure – see chapter (page 21) – and any additional local requirements Check with your local Statutory Authority for testing requirements Remarks If it is impossible to repair a tool, it should be returned immediately to the manufacturer, Leister Technologies AG, CH-6056 Kaegiswil, Switzerland, carriage paid to Kaegiswil Leister will repair the tool within 24 hours after its arrival When ordering spare parts use the order numbers of the spare parts list When servicing use only identical original Leister replacement parts! Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Leister Technologies AG Revision: B QM Page / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI Conversion instructions Make sure the correct spare parts will be assembled according to the heater type! Heater tube Mica tube Heating element Thermocouple Nameplate Load resistor Difference in length between S- and L-types Difference in length between S- and L-types Differences in length, voltage and power consumption For SYSTEM models only Differences in type designation, voltage and power consumption According to table chapter 11 (page 37) 80mm LHS 15 15 15 15 109mm 139mm LHS 21S/L 21S 21S 21L 21L 21S 21L 109mm 139mm LHS 41S/L 41S 41L 41S 41L 41S 41L LHS 61S/L 61S ø 62mm 61L ø 92mm 61S 61L 61S 61L Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI Never assemble a short mica tube of the S-type in a L-type heater, because the insulation distances would not be kept anymore and danger to life would occur for the users! 41S 41L 41L If a conversion of a heater is carried out (e.g other power consumption), the heater has to pass the test procedure chapter (page 21) – according to the new type – successfully! The nameplate must agree with type designation, voltage, current and power consumption Repair instructions Note: The following repair instructions are understood so, that the repair work is carried out in a service center, which means that the tool is removed from an existing equipment 5.1 Check internal wiring Heater and possible additional control units are to be disconnected from the line/mains on every pole! Remove housing cover, heater tube and mica tube and pull out the heating element from its socket Check visually, mechanically and electrically all of the soldering joints and the wiring in the housing Visual inspection/Continuity checker/Buzzer 5.2 Check components All components have to be checked visually Replace defective parts and clean up the other parts Visual inspection Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI 5.3 Check heating element Measure the resistance of the heating element coils between pins N, L1, L2 and L3 by using an ohmmeter Replace the heating element if the measured resistance deviates more than +/- 10% of the value stated in the tables from chapter 11 (page 37) Ohmmeter L2 N/L2 L1 L1 L1 N N L1 N L1 LHS 15 LHS 21S/L LHS 41S/L L3 LHS 61S/L Make a visual inspection of the heating element Replace the heating element if it is either mechanically damaged or if any heating channels are clogged Visual inspection After doing repair work each heater has to pass a final check (see test procedure chapter (page21) )! Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI 5.4 Check leakage current circuitry 5.4.1 Heating element Check leakage current pin for continuity (must have continuity) Leakage current pin Leakage current pin Continuity checker/Buzzer Leakage current pin Leakage current pin L2 L1 N LHS 15 L1 N LHS 21S/L Continuity check L1 N/L2 LHS 41S/L Heating element front connection L1 L3 LHS 61S/L Heating element rear connection 5.4.2 Electronic leakage current protection circuitry The electronic leakage current circuitry must be tested according to chapter 8.3 (page 24) Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI 5.5 Check temperature sensor (LHS 61S/L) Pull the red and the blue flex wire of the temperature sensor out of the terminal strip by using a slotted screw driver and connect it to a multimeter (position “diode check”) Ensure correct connection (D1 = red; D0 = blue) Multimeter, DC voltage Red Blue Result + - + Diode voltage approx 0.5-0.6V No diode voltage Measuring diode voltage of temperature sensor 5.6 Replacement of temperature sensor (LHS 61S/L) Carry out the disassembling as follows: Remove cover attachment screws Remove heater tube attachment screws Access to terminal strip is possible now Pull the red and the blue flex wire out of the terminal strip by using a slotted screw driver Pull the temperature sensor including the flex wires carefully out of the socket by using tweezers Remove cover Remove heater tube Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI RED (Anode) BLUE (Cathode) BLUE RED Temperature sensor assembling in socket Temperature sensor replacement For assembling go reverse order (temperature sensor is supplied including flexible wires) Insert temperature sensor carefully in the socket and ensure correct placement according to the color code Twist the flexible wires! After doing repair work each heater has to pass a final check (see test procedure chapter (page 21) )! Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page 10 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI 5.7 Check thermocouple (SYSTEM models) Pull the white and the green flex wire of the thermocouple out of the terminal strip by using a slotted screw driver and connect thermocouple to an ohmmeter (white flex wire negative pole; green flex wire positive pole) Cool thermocouple down to room temperature Nominal value: approx 5Ω (no short circuit and no break may occur) Ohmmeter Check sufficient insulation between both signal lines (green and white) and thermocouple jacket Nominal value: > 1MΩ Ohmmeter Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page 29 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI 8.4 Check communication interface (SYSTEM models) The communication interface of all LHS 15, 21S/L, 41S/L, 61S/L, SYSTEM models, may be tested by using the LHS Field Tester The communication interface is integrated in the cover of the LHS SYSTEM and can be operated by using the appropriate terminal Warning! To operate a heater LHS SYSTEM with the LHS Field Tester, the heater must be connected to rated voltage Before opening the cover disconnect the heater on every pole from the line/mains! Connect LHS SYSTEM to LHS Field Tester by using the System Interface cable according to chapter 8.4 (page 29) Set DIP switches to interface mode according to chapter (page 35) Important: The interface must not be operated as current control and voltage control at the same time 8.4.1 Interface connection Insert System Interface cable through cable gland into the heater housing Connect free ends of the System Interface cable to the interface terminal of the heater Select control mode by terminal connection: - Current control 4-20mA according to chapter 8.4.2 (page 30) - Voltage control 0-10V according to chapter 8.4.3 (page 31) Terminal designation LHS SYSTEM 24VDC 4-20mA 4-20mA + 0-10V GND Color code System Interface cable Blue Black Brown Brown Orange Pin assignment LHS Field Tester RJ 45 connector 24VDC out Current GND Pot var (0 10VDC/0 20mA) Pot var (0 10VDC/0 20mA) GND RJ-45 Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page 30 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI 8.4.2 Current control 20mA To operate the heater with current control connect System Interface cable to interface terminal according to the table Terminal designation LHS SYSTEM 24VDC 4-20mA 4-20mA + 0-10V GND Color code System Interface cable Blue Black Brown No connection Orange Pin assignment RJ 45 connector 8 When operating the heater with current control the LHS Field Tester settings are as follows: Set switch Test out to position Current 20mA Set switch Pot+ 5VDC to position OFF Set potentiometer to position 4mA, 0% Set switch Power to ON position Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page 31 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI 8.4.3 Voltage control 10V To operate the heater with voltage control connect System Interface cable to interface terminal according to the table Terminal designation LHS SYSTEM 24VDC 4-20mA 4-20mA + 0-10V GND Color code System Interface cable Blue No connection No connection Brown Orange Pin assignment RJ 45 connector 8 When operating the heater with voltage control the LHS Field Tester settings are as follows: Set switch Test out to position Voltage 10V Set switch Pot+ 5VDC to position OFF Set potentiometer to (zero) position Set switch Power to ON position Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Leister Technologies AG Revision: B QM Page 32 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI 8.5 Check potentiometer mode (SYSTEM models) To check the potentiometer functioning operate the tool in potentiometer mode / open loop / °C Warning! To operate a heater LHS SYSTEM with the LHS Field Tester, the heater must be connected to rated voltage Before opening the cover disconnect the heater on every pole from the line/mains! Connect tool to air supply: Use blower ROBUST for LHS 15 and LHS 21, SILENCE for LHS 41 and LHS 61, air governor or frequency converter (FC-550) Adjust DIP switch on the electronic circuit board: Display °C ON Display °F ON 3 Close cover Connect tool to rated voltage Set potentiometer to position "10" Set value display: 100P Tool heats with maximum power Actual value display: Temperature increases during heating up Set potentiometer to position "0" Set value display: OFF Tool must not heat Actual value display: Temperature decreases during cooling down Make sure the power increases steadily between potentiometer positions "0" and "10" Set value display: From OFF to 100P Actual value Heating element temperature Set value Potentiometer or interface setting [°C or %] Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Leister Technologies AG Revision: B QM Page 33 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI 8.6 Check closed loop interface mode (SYSTEM models) To check the interface functioning and the internal controller operate the tool in interface mode / closed loop / °C Warning! To operate a heater LHS SYSTEM with the LHS Field Tester, the heater must be connected to rated voltage Before opening the cover disconnect the heater on every pole from the line/mains! Connect tool to air supply: Use blower ROBUST for LHS 15 and LHS 21, SILENCE for LHS 41 and LHS 61, air governor or frequency converter (FC-550) Connect LHS Field Tester according to chapter 8.4 (page 29) Adjust DIP switch on the electronic circuit board: Display °C ON Display °F ON 3 Close cover Connect tool to rated voltage LHS Field Tester: 20mA current control according to chapter 8.4.2 (page 30) Set LHS Field Tester potentiometer to maximum position Set value display: 650°C / 1200°F Tool starts heating with maximum power; set temperature will be controlled Actual value display: Temperature increases during heating up and achieves the set value after settling time (up to minutes) Set LHS Field Tester potentiometer to minimum position Set value display: OFF Tool must not heat Actual value display: Temperature decreases during cooling down LHS Field Tester potentiometer from minimum to maximum Set value display: From OFF to 650°C / 1200°F Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page 34 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI LHS Field Tester: 10V voltage control according to chapter 8.4.3 (page 31) Set LHS Field Tester potentiometer to maximum position Set value display: 650°C / 1200°F Tool starts heating with maximum power; set temperature will be controlled Actual value display: Temperature increases during heating up and achieves the set value after settling time (up to minutes) Set LHS Field Tester potentiometer to minimum position Set value display: OFF Tool must not heat Actual value display: Temperature decreases during cooling down LHS Field Tester potentiometer from minimum to maximum Set value display: From OFF to 650°C / 1200°F Actual value Heating element temperature Set value Potentiometer or interface setting [°C or %] Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page 35 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI DIP switch and operating mode (SYSTEM models) The LHS … SYSTEM models only are equiped with three DIP switches on the electronic circuit board enabling adjustment of the operating mode Switch 1: Display indicator °C or °F Switch 2: Potentiometer or interface Switch 3: Closed loop or open loop OPL Open loop mode (Set mode) Potentiometer mode ON Interface mode 3 °F °C ON ON ON ON 1 °F ON Display mode °C ON ON CLL Closed loop control mode (Control mode) (internal closed loop control) Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B 10 QM Page 36 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI Error messages If an error occurs during operation an error number will be generated This error number is shown in the display as long as the tool is supplied with line/mains voltage Only the SYSTEM models are equipped with a display; so these models only visualize the error number Provision for all models is to indicate an occurrent error via relay contact Provisions for all errors: - No heating power (0%) Open relay contact For safety reasons the reset of an error requires turn off the line/mains voltage and restart The following errors may occur: Err 001: Tool temperature - Tool temperature is too high - Diode wrong way connected, has a short circuit or a break Err 002: Heating element protection - Heating element temperature is too high (leakage current of heating element exceeded the limit defined by load resistor) Err 003: Thermocouple - Thermocouple is defective, not correctly connected or a flex wire dropped out of the terminal (wrong way connection will not result in an error!) Err 007: Leakage current test - Leakage current measurement during start-up reported a faulty value - No or incorrect load resistor was assembled - Thermocouple short circuit between signal lines and jacket Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B 11 QM Page 37 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI Table heating elements: Resistances / Load resistors 11.1 Heating elements LHS 15 Article no 138.110 139.922 Type 15 15 Voltage [V] 120 230 Power [kW] 0.55 0.77 Resistance [Ω] 25 65 Load resistor [kΩ] 1.5 1.5 Power [kW] 2 3.3 Resistance [Ω] 14 50 25 15 Load resistor [kΩ] 1.5 1.5 1.5 1.5 2.7 Power [kW] 2 3.6 4.4 4.4 5.5 Resistance [Ω] 25 14 12 75 35 27 Load resistor [kΩ] 1.3 1.5 1.8 1.5 3.3 3.3 2.2 Power [kW] 6 8.5 8 10 11 16 11 16 Resistance [Ω] 25 17 75 51 34 108 73 18 28 12 10 61 37 28 19 54 40 27 Load resistor [kΩ] 2.2 2.2 2.4 2.4 2.2 3.3 3.3 2.2 2.2 2.2 2.2 8.2 11.0 3.3 3.3 11.0 11.0 3.3 11.2 Heating elements LHS 21S/L Article no 117.582 117.587 117.585 117.589 123.213 Type 21S 21S 21S 21S 21L Voltage [V] 120 120 230 230 230 11.3 Heating elements LHS 41S/L Article no 117.591 117.593 132.387 145.436 142.495 143.240 145.437 Type 41S 41S 41S 41L 41L 41L 41L Voltage [V] 120 230 230 230 400 400 400 11.4 Heating elements LHS 61S/L Article no 143.492 142.869 143.493 142.089 143.494 143.496 142.870 145.440 145.441 143.501 142.867 143.502 143.503 142.084 143.504 143.505 142.868 143.506 Type 61S 61S 61S 61S 61S 61S 61S 61S 61S 61L 61L 61L 61L 61L 61L 61L 61L 61L Voltage [V] x 230 x 230 x 400 x 400 x 400 x 480 x 480 x 400 x 480 x 230 x 230 x 400 x 400 x 400 x 400 x 480 x 480 x 480 The load resistors are available as a set under article no 143.222 Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Leister Technologies AG Revision: B 12 QM Page 38 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI Wiring diagrams 12.1 LHS 15 and LHS 21S/L (CLASSIC / PREMIUM / SYSTEM) N Power L1 L1 Weiss / white N Braun / brown Ableitstrom / Leakage current LHE LHE Schwarz / black Alarm NO COM N Power L1 Weiss / white N Braun / brown Ableitstrom / Leakage current LHE Schwarz / black Alarm 24VDC 4-20mA - 4-20mA + 0-10V GND NO COM N Power L1 Weiss / white Braun / brown Interface N Ableitstrom / Leakage current - weiss / white + grün / green LHE Schwarz / black Alarm Thermocouple NO COM - + Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page 39 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI 12.2 LHS 41S/L (CLASSIC / PREMIUM / SYSTEM) L1 N / L2 Power L1 Weiss / white Braun / brown LHE L2 / N Ableitstrom / Leakage current LHE Schwarz / black NO COM Alarm L1 N / L2 Power Weiss / white Braun / brown L2 / N Ableitstrom / Leakage current LHE Schwarz / black NO COM Alarm L1 N / L2 Power Weiss / white Braun / brown 24VDC 4-20mA + Interface + grün / green LHE 0-10V Schwarz / black GND Thermocouple NO Alarm - + COM L2 / N Ableitstrom / Leakage current - weiss / white 4-20mA - Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page 40 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI 12.3 LHS 61S/L three-phase (CLASSIC / PREMIUM / SYSTEM) L1 Power L2 Schwarz / black Rot / red Braun / brown L3 Weiss / white L1 L2 Ableitstrom /Leakage current L3 P Blau / blue Rot / red Rot / red NO COM Blau / blue Alarm L1 L2 Power T2 Gate Rot / red Schwarz / black L3 T1 Gate Schwarz black Rot / red Braun / brown Weiss / white P Blau / blue Rot / red Rot /red NO COM Blau / blue Alarm L1 L2 Ableitstrom / Leakage current L3 Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page 41 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI L1 L2 Power T2 Gate Rot / red L3 Rot / red Braun / brown L1 L2 Ableitstrom / Leakage current - weiss / white Weiss / white 24VDC 4-20mA - 0-10V 4-20mA + + grün / green GND T1 Gate Schwarz black Schwarz / black P Thermocouple Blau / blue - weiss white Rot / red Rot /red Blau / blue NO COM + grün green Interface Alarm L3 12.4 LHS 61S/L one-phase (CLASSIC / PREMIUM / SYSTEM) L1 Power Schwarz / black Braun / brown L3 Weiss / white P Blau / blue Rot / red Rot / red NO COM Blau / blue Alarm L1 Ableitstrom /Leakage current L3 Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B QM Page 42 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI L1 Power Schwarz / black L3 T1 Gate Schwarz black Braun / brown Weiss / white P L1 Ableitstrom / Leakage current L3 Blau / blue Rot / red Blau / blue NO COM Rot /red Alarm L1 Power Schwarz / black L3 Braun / brown Weiss / white 24VDC 4-20mA + Ableitstrom / Leakage current - weiss / white 4-20mA - 0-10V P Thermocouple Blau / blue NO COM - weiss white Rot /red Alarm + grün green Interface Blau / blue T1 Gate Schwarz black GND + grün / green L1 Rot / red L3 Leister Technologies AG Repair instructions LHS 15, 21S/L, 41S/L, 61S/L CLASSIC / PREMIUM / SYSTEM Revision: B 13 QM Page 43 / 43 Created 24.11.11 PRI Released 13.12.11 PRI Modified 12.04.13 PRI Equipment required for Leister repair service Mobile equipment protective earth conductor tester high voltage tester up to 4000V temperature meter with temperature measurement probe multimeter with following measurement options: - Current - Voltage - Resistance - Continuity (test buzzer) rotational speed meter water column soldering iron complete set of tools (screw drivers etc.) LHS Field Tester (Leister article no 128.650) (e.g Elabo) (e.g Elabo, Korntal) (e.g Fluke, Testo) (e.g Fluke) Installed equipment ESD-protected working environment Transformer, possibly separated into variable and isolating transformer Data: x 500V x 30A built-in voltmeters (500V) built-in ammeters (30A) or wattmeters ... code 24VDC out (red) GND (black) Resistor 100k (yellow) Resistor 100k (yellow) Relais LED (blue) Relais LED (blue) GND (white) Current out (brown) Pin assignment LHS Field Tester Leister Technologies... Continuity (test buzzer) rotational speed meter water column soldering iron complete set of tools (screw drivers etc .) LHS Field Tester (Leister article no 128.65 0) (e.g Elabo) (e.g Elabo, Korntal) (e.g... 12.4 LHS 15 and LHS 21S/L (CLASSIC / PREMIUM / SYSTEM) 38 LHS 41S/L (CLASSIC / PREMIUM / SYSTEM) 39 LHS 61S/L three-phase (CLASSIC / PREMIUM / SYSTEM) 40 LHS 61S/L one-phase (CLASSIC