LKDS Intercom unit 7.2, Руководство по эксплуатации

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IU 7.2
Operations manual LNGS.465213.270.500 OM
LNGS.465213.270.500; LNGS.465213.270.500-01;
LNGS.465213.270.500-02 Edition 07
Lift Monitoring and Diagnostics System 27.08.19 p. 10
Install jumper to
connect battery
4 5
XP1 XP3
Fig.4. Connecting acc.battery to IU’s internal circuit
2.4. Wiring IU 7.2
2.4.1. Make wiring as prescribed in LNGS.468223.270.500 E5 (see APPENDIX 3).
2.4.2. Overall and connecting dimensions are shown in APPENDIX 2.
3. MAINTENANCE
3.1. General instructions
3.1.1. Maintenance is carried out according to a preventive system, which provides quarterly
maintenance.
3.1.2. The battery installed in IU 7.2 has a limited service life (2-3 years). After the specified
period or when a message “Battery fault” is received, it is recommended to replace the battery (battery
fault or absence of the battery is indicated by “CALL” LED flickering on IU 7.2 and “CABIN” and “PIT”
LEDs flickering on LU).
3.2. Quarterly maintenance
3.2.1. Quarterly maintenance includes:
- visual inspection of the product;
- cleaning IU 7.2 from dust and dirt;
- checking wires, harnesses and connectors;
- checking the reliability of threaded connections tightening.