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49
Service measures on the unit
User Manual PoolManager
®
90
49.3
Fuses
PoolManager
®
has three lead fuses on the branches of the 230V~
power supply; also see
Power supply 230V~.
No.
Function
Default value
1 (F1)
PoolManager
®
supply
3.15AT
2 (F2)
Supply to dosing outputs
2AT
3 (F3)
Supply to alarm relay
and supplemental functions
4AT
49.3.1
Fuse replacement
•
Fuses are housed in a special mount and can be easily replaced.
•
Use a matching screwdriver to gently press down on the fuse
mount's cover and turn to the left.
•
The cover will spring open and you can replace the fuse.
•
To close, set the cover along with the fuse onto the mount. Use
the screwdriver to gently press down and carefully turn to the right
until the cover clicks into place.
49.4
Replacing a relay
All relays (except the alarm relay, which is used little) are individually
socketed and can be replaced easily at any time.
•
The exact position of the corresponding relay can be found in the
section
System printed circuit board
or via the lettering on the
printed circuit board.
•
First, swing open the plastic retaining bracket to the side.
•
Carefully pull out the old relay.
•
Carefully press the new relay into the socket.
•
Then return the plastic retaining bracket to its original position.
49.5
Replacing the buffer battery
PoolManager
®
has a CR-2032 lithium battery, which is used for
buffering the real-time clock while the system is turned off.
This battery has a typical service life of at least 5 to 10 years.
PoolManager
®
reports a battery alarm when battery voltage drops
below 2.7V.
HAZARD!
Potential malfunctions following battery alarm
Following a battery alarm, it's possible that
PoolManager
®
looses system time when the power is
turned off.
Potential consequence: PoolManager
®
malfunctions
(e.g. incorrect dosing and switching times)
•
If PoolManager
®
reports a battery alarm, replace
the buffer battery within max. 4 weeks.
•
It may be necessary to supply PoolManager
®
with
constant 230V~ power so that the time is not lost.
The battery can be replaced as follows:
1.
Turn off PoolManager
®
power supply.
2.
Open the casing.
3.
First loosen the flat ribbon cable for better access to the battery.
The plug has a lock, which you have to press to the side to
unlock.
4.
Carefully push a flat screwdriver between the battery mount and
the battery.
5.
Gently lift the battery out.
6.
Press the new battery into the battery mount such that the flat
side (+) is on top.
7.
Plug the flat ribbon cable back in.
8.
Close the front of the casing and turn the power supply back on.