Sime 8103047, User, Installation And Servicing Instructions

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5.11 High-efficiency system pump
The high-efficiency pump is fitted with signalling LEDs (1), (2),
(3) and with the command button (4).
1 2
3 4
Fig. 23
1
Pump status signalling LED based on the colours shown in
the table below
LED colour Status Troubleshooting
Green On Normal operation
None Off No electrical power
Red/Green Flashing Anomaly in progress (*)
Red Flashing Anomaly in progress (*)
Red On Permanent safety shutdown
(*) For the details, consult the chapter “Possible faults and
solutions”
NOTE:
In case of anomalies, the pump will stop and attempt to
restart; if the anomaly is resolved, the pump will restart auto-
matically. Otherwise, the pump will perform a permanent lock-
out.
2
LED indicating the selected regulation mode:
- constant number of rotations
- variable differential pressure (Δp-v)
- constant differential pressure (Δp-c)
3 LED indicating the selected characteristic curve: I, II, III
within the specific regulation mode
4
Command button for setting the pump. The button can only
be used by the installer or by authorised personnel:
- when pressed once or more, for roughly 1 s, it allows for se-
lecting the pump’s operating mode and the preferred char-
acteristic curve (for the details, consult the next paragraph)
- when pressed and held for 3s it automatically bleeds the
pump
- when pressed and held for 5s in unlocks the pump after pro-
longed periods of inactivity
- when pressed and held once for 8s it stops all actions that
can be executed through button (4). When pressed a second
time for 8s it activates the button’s functions again (4).
5.12 Setting the circulation pump
5.12.1 Selecting the operating mode and the charac-
teristic curve
The adjustment mode and the corresponding characteristic
curves are selected in the following way:
– press, once or several times, for roughly 1s the command
button (4) to select the adjustment mode and the correspond-
ing characteristic curve (LEDs 2 and 3 will signal the relevant
operations).
m
CAUTION
The table shown below summarises the relationship
between the number of presses of the (4) button, the
signals emitted by LEDs (2) and (3) and the corre-
sponding characteristic curve.
No. of times the
command button
(4) is pressed
LEDs Settings mode
Character-
istic curve
1 Constant speed II
2 Constant speed I
3
Variable differ-
ential pressure
Δp-v
III
4
Variable differ-
ential pressure
Δp-v
II
5
Variable differ-
ential pressure
Δp-v
I
6
Constant
differential
pressure Δp-c
III
7
Constant
differential
pressure Δp-c
II
8
Constant
differential
pressure Δp-c
I
9 Constant speed III
m
CAUTION
Press the command button (4) 9 times to restore the
original settings (constant speed/ characteristic curve
III).
5.12.2 Choosing the adjustments
Chose the adjustment mode on the basis of the most suitable
characteristics indicated below.
Constant speed (I, II, III)
I
III
II
Q/m
3
/h
H/m
Recommended for systems with stable
resistance that require a constant flow
rate.
The heat pump functions in three stag-
es, corresponding to the number of pre-
set fixed revolutions (I, II, III).