16
(
Q
J
OLV
K
8
6
The temperature influence function can be activated
in this display when the control mode is proportional
pressure or constant pressure; see section
9.7.1 Control mode.
In the case of temperature influence, the pump must
be installed in the flow pipe. It is possible to choose
between maximum temperatures of
122 °F (50 °C) and 176 °F (80 °C).
When the temperature influence is active, a small
thermometer is shown in the display "Setpoint" in
menu OPERATION, see section 9.5.1 Setpoint.
9.7.4 Buttons on pump
To prevent unauthorized persons from operating the
pump, the function of the buttons
,
and
can
be deactivated in this display. The buttons can be
reactivated only with the R100.
The buttons can be set to:
•
Active
•
Not active.
9.7.5 Signal relay
If an expansion module has been fitted, the signal
relay function can be set in this display.
•
Fault (functions as a fault signal relay)
•
Ready (functions as a ready signal relay)
•
Operation (functions as an operating signal
relay).
9.7.6 Pump number
A number from 1 up to and including 64 can be
allocated to a pump or can be changed so that the
R100, Grundfos Control MPC Series 2000 or other
systems can distinguish between two or more
pumps.
9.8 Priority of settings
The external forced-control signals will influence the
settings available on the pump control panel and with
the R100. However, the pump can always be set to
max. curve duty or to stop on the pump control panel
or with the R100.
If two or more functions are activated at the same
time, the pump will operate according to the setting
with the highest priority.
The priority of the settings is as shown in the table.
Example: If the pump has been forced to stop via an
external signal, the pump control panel or the R100
can only set the pump to max. curve.
With expansion module
As illustrated in the table, the pump does not react to
external signals (max. curve and min. curve) when
the pump is controlled via bus.
If the pump is to react to external signals (max. curve
and min. curve), the system must be configured for
that function.
For further details, please contact Grundfos.
1RWH
If the pump is in control mode
AUTO
ADAPT
or constant curve, the
temperature influence cannot be set
with the R100.
Priority
Possible settings
Pump
control
panel
or R100
External
signals
Bus
signal
1
Stop
2
Max. curve
3
Stop
Stop
4
Max.curve
Max.curve
5
Min. curve
Min. curve
Min. curve
6
Setpoint
setting
Setpoint
setting
Not active when the pump is con-
trolled via bus.
Only active when the pump is con-
trolled via bus.
