Operating and service instructions | LMS 120 2 Contents Scope of delivery .............................. 4 General ................................4 2.1. System design ..............................4 Installation ................................. 5 3.1. Mechanical installation ............................. 5 3.2. Electrical connection ............................6 ...
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Operating and service instructions | LMS 120 3 Safety notes The following points must be observed for safety during connecting and operating the device. Read the notes carefully before commissioning the device. The installer is responsible for any damage caused by improper use or application of the device.
Operating and service instructions | LMS 120 5 The current status and the measurements can be read from the display. The 5 LEDs to the left of the display provide a quick overview of the current device status. Alarm menu key Display Cursor keys LEDs...
Operating and service instructions | LMS 120 7 Operation The LMS 120 displays information in various menus in a clear manner. 7 keys, 5 status displays (LED) and one clear text display are arranged on the front plate. The current measurement values can be called up and operating data set with the keys.
Operating and service instructions | LMS 120 8 4.2. Operation menu Operation displays 1 to 4 provide a complete overview of the status of the monitoring loops and the device status. The individual displays can be selected with the following keys: Operation display 1 Operation display 2 Operation display 3...
Operating and service instructions | LMS 120 9 4.3. Quick parameter setting The quick parameter setting function applies practical values for all parameters depending on the monitoring system. This procedure is sufficient to commission the LMS 100 in full. System defaults: Nordic Brandes Swiss...
Operating and service instructions | LMS 120 10 4.4. Enhanced parameter setting All parameters to be monitored can be defined individually in this menu. This procedure should be chosen when the default values described under Section 4.3. Quick parameter setting on page 9 are not suitable or when the limits should be or have to be modified.
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Operating and service instructions | LMS 120 11 4.4.1. Auto settings Menu item 11 sets default values depending on the type of monitoring system. Under menu item 12, the device parameters are reset to factory settings. An overview of the default values can be found in Table 3 on page 9. 4.4.2.
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Operating and service instructions | LMS 120 12 4.4.3. Device settings Devices settings are settings that relate to the general functions of the LMS 120. The menu structure is displayed in Fig. 7 on page 10. Measure cycle - menu 41 The measure cycle of the fully automatic measurement is set here.
Operating and service instructions | LMS 120 13 4.5. Alarm menu The LMS 120 has a non-volatile alarm log (the errors are not lost from the alarm log in the event of a power cut). Fault messages can therefore be identified even if they are no longer current during the device inspection. To enter the Alarm menu, please press the Alarm menu key (6).
Operating and service instructions | LMS 120 14 4.6. Manual measurement Regardless of the periodic, automatic measurements, a manual measurement can also be triggered where required. This is helpful during the installation or after a modification of the system (e.g. grid expansion). Press the following key to activate the manual measurement: (hold down for 5 sec) The measurement starts as soon as the...
Operating and service instructions | LMS 120 15 Maintenance The LMS 120 is a maintenance-free monitoring device and does not need periodic maintenance or inspection. As part of a district heating maintenance programme inspections should be carried out at least once a month. displays indicate any errors.
Operating and service instructions | LMS 120 16 6.2. Fault record In the event of a fault, please fill in the fault record and send it to the e-mail address alarm@visileak.com. The fault report can also be sent online at www.visileak.com. Customer: Company Name...
Operating and service instructions | LMS 120 17 Accessories Item name Item number Description LMS 120 DE 21000076 LMS 120 with mains plug for Germany LMS 120 CH LMS 120 with mains plug for Switzerland Socket AD2 21000083 Socket for LMS 120 Monitoring end piece 21000081 Loop end plug...
Operating and service instructions | LMS 120 19 Notes ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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