Seaward IRT 1557 - Manual (Page 5)

IRT1557
Operating Instructions
- 5 -
Contents
CERTIFICATE OF CONFORMITY ...........................6
Introduction ...............................................................7
1 User Notes .............................................................8
2 Safety Notes ..........................................................9
3 Accessories..........................................................10
3.1 Standard Accessories ..................................10
4 Unit Description ...................................................11
4.1 Identifying parts of the unit ...........................11
4.2 Keypad operation .........................................11
5 Using the IRT 1557..............................................12
5.1 Power On......................................................12
5.2 Battery Health Check ...................................12
5.3 Measuring Insulation Resistance .................12
5.4 Measuring continuity ....................................13
5.5 Measuring resistance ...................................14
5.6 Measuring voltage ........................................15
5.6 Test ‘Lock’ function.......................................15
6 Specifications.......................................................16
7 Environmental Conditions....................................18
8 Maintenance ........................................................19
8.1 Securing the IRT 1557 .................................19
8.2 Cleaning .......................................................19
8.3 Battery Replacement....................................20
8.4 Replacing the fuse........................................20
8.5 Spare Parts...................................................21