Download Print this page

Vaisala PSU501 Instructions

Technical Note

Handling battery during long storage time

If PSU501 is kept in storage for long periods of time, the battery inside may discharge.

If you store PSU501 for more than 1 month, do one of the following:

•

Disconnect the battery and reconnect it before installing the Beacon station, or

•

Charge the battery once a month

Battery

+ terminal

− terminal

Cable connector plug

PUBLISHED BY

Vaisala Oyj

Vanha Nurmijärventie 21

FI-01670 Vantaa, Finland

PSU501 Storage Instructions

individual partners. Any reproduction, transfer, distribution or storage of information

contained in this document is strictly prohibited. All specifications — technical included

— are subject to change without notice.

M212769EN-A

Table of Contents

Do you have a question about the PSU501 and is the answer not in the manual?

Page 1 PSU501 Storage Instructions Handling battery during long storage time If PSU501 is kept in storage for long periods of time, the battery inside may discharge. If you store PSU501 for more than 1 month, do one of the following: •...
Page 2 Before you start, make sure that the power cable is not connected. To remove the PSU501 top cover, unscrew the fastening screws (6 pcs) and lift the cover. Use either a 5.5‑mm flat head screwdriver or a pozidriv screwdriver (PZ2).
Page 3 Technical Note M212769EN-A To fasten the nuts, first turn each nut a few rounds one by one. Then tighten the nuts hand-tight. Put the top cover back in place. Tighten the screws until the cover makes good contact with the surface of the enclosure base. To reconnect the battery, follow step 1 –...
Page 4 To make sure that the battery reaches a sufficient voltage level during charging, charge the battery at least half a day at a time. Take a power cable and attach the AC (mains) connector to it. The connector is delivered with PSU501.