40
742.110 | 14.50
EN
Display
Parameters
min.
max.
Factory
setting
Functionality
T
T
P
ara
SET
Storage tank loading
strategy
dIFF
1)
,
AbS
2)
The loading strategy depends
on the storage tank system
used and the usage of the
system.
dIFF
: Highest efficiency. The
control target is the tem-
perature difference between
the collector and the storage
tank.
3)
AbS
: Useful when the system
requires particular tempera-
tures, e.g. to avoid switching
on the external back-up heat-
ing system.
The control target is the tem-
perature of the collector.
3)
Control target of dif-
ferential temperature
loading (
dIFF
)
4 F
100 F
16 F
Control target of
absolute temperature
loading (
AbS
)
32 °F
200 °F
140 °F
P
ara
SET
R1
pump type
AC
,
HE
AC
Notice
Danger of malfunctions in the
controller or damage to the
components.
With a high-efficiency pump,
HE
must
be set and with a
standard pump
AC
must
be
set!
Set speed control to
oFF
when an external relay is con-
nected or speed control is not
wanted.
Pump characteris-
tics (only
HE
)
bA
,
bb
,
C
(see p. 14)
–
Speed control
on
,
oFF
oFF
Minimum speed
(only
AC
)
30 %
100 %
50 %
Minimum speed
(only
HE
+
bA
)
0 %
100 %
25 %
Minimum speed
(only
HE
+
bb
)
0 %
100 %
75 %
Tab. 3: Parameters
1)
dIFF
is defined as a fixed value for swimming pools.
2)
The factory setting depends on the system that has been set.
3)
The pump speed is adjusted accordingly to achieve the control target.
Содержание TR-A501T-U
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