Vaisala TERMBOX-9000, User Manual

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Chapter 4 ______________________________________________________________ Maintenance
VAISALA _______________________________________________________________________ 17
CHAPTER 4
MAINTENANCE
This chapter contains basic maintenance information on the TERMBOX.
Fuse Replacement
If the fuse needs to be replaced, follow the steps below.
1. Open the cover by unscrewing the four cover screws.
2. Remove the fuse plug from the fuse terminal block located in the
AC Power connector block by twisting and pulling the plug out.
3. Open the fuse clip cover.
4. Press the clip located on the bottom of the fuse plug to remove the
old fuse.
5. Check that the new fuse is of the correct type, refer to Table 3
below for details. Insert the new fuse.
6. Place the fuse plug back into the fuse terminal block in the AC
Power connector block.
7. Close the cover carefully with the four cover screws.
Parts List for Consumables
A list of consumables and parts is provided in Table 3 below.
Table 3 Spare Parts and Consumables
Spare Part Description
Fuse Bussman S506-10-C, 5 x 20 mm 10 A (slow)
Surge protector board FPS111
RS-485, leased modem line,
and LON protector Phoenix Contact PT 1x2-BE base element
(rail-mountable)
Phoenix Contact PT 3-HF-12DC-ST plug
Gas tube arrester Sankosha YO8U - 90B