Pentair HAFFMANS RPU-352 Instruction Manual page 44

2
Battery
Always switch the instrument off when it is not in use. If the instrument is left idle
it will switch off automatically.
Do not leave the battery on charge continuously for more than 24 hours.
If the equipment has not been returned for servicing as recommended above
then as the battery ages it will not hold as much charge as it did when new. The
instrument can detect this and when the problem becomes severe it may give a
warning on the display that the battery should be replaced. After about a year of
heavy use (or two years of light use) the exchange unit should be replaced as a
precaution. The exchange unit includes both temperature probe sockets and the
battery. Full fitting instructions are enclosed with the new part.
If you unplug the exchange unit and then reconnect it the instrument will assume
you have fitted a new battery. Never unplug the exchange unit unless you
intend to replace it with a new one.
If you plan to store the instrument unused for more than 6 months you should first
fully re-charge the battery. When the instrument is left unused, even though it is
switched off, the battery gradually loses charge by a process known as "self
discharge". If possible give the battery a few hours charge every 3 months
during storage.
60ºC Test Plug
The supplied 60ºC Test Plug can be used as a diagnostics tool for the RPU
monitor. It can be connected to the main unit to verify the unit's measuring
functionality. To use the 60ºC Test Plug, connect it to one of the unit's channels.
When the unit measures a temperature between 59,8ºC and 60,2ºC with the Test
Plug connected, the unit functions correctly. When different temperatures are
measured with the Test Plug connected, the unit needs to be serviced.
Page 44 of 112
HAFFMANS RPU 352, RPU 353, RPC 80 RPC 50
RPU 352, RPU 353, RPC 80, RPC 50