Fujitsu WATERSTAGE 112 Maintenance Document page 91

Heat Pump, Split System, Single Service, 3 phase
DHW mode Holiday
status
Off
On Yes
On No
On No
On No
On No
On No
On No
On No
x = indifferent
Information:
Release by low tariff input always triggers forced
DHW charging
Legionella Function
Line no. Programming line
1640 Legionella function
1641 Legionella funct periodically
1642 Legionella funct weekday
1644 Legionella funct time
1645 Legionella funct setpoint
1646 Legionella funct duration
1647 Legionella funct circ pump
Legionella function:
•
Periodic
The legionella function occurs repeatedly according
to the adjusted periodicity (command line 1641).
•
Fixed weekday
The legionella function can be activated on a fixed
day of the week (command line 1642). With this
setting, heating up to the legionella setpoint occurs
on the scheduled day of the week, regardless of the
storage tank temperatures during the previous period.
Maintenance Document 1394-1
Release
(settings 1620)
x x
x
...
Low tariff (OPK)
Low tariff (OPK)
Time pgm 4 or OPK
Time pgm 4 or OPK
Time pgm 4 or OPK
Time pgm 4 or OPK
Time pgm Low tariff
status (Pgm 4) status
(Ex5)
x
x
...
x Inactive
x Active
Nominal Inactive
Reduced Inactive
Nominal Active
Reduced Active
If the low tariff input EX5 has not been configured and
release via OPK has nevertheless been set, the DHW
level will either continuously remain on reduced or will
follow time program 4.
Legionella function circulation pump:
The DHW circulation pump can be activated during
the period of time the legionella function is performed.
Important:
During the period of time legionella function is carried
out, there is a risk of scalding when opening the taps.
DHW mode level
x Frost protection
x Frost protection
x ...
Reduced
Nominal
Nominal
Reduced
Nominal
Nominal
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