Grundfos CIM 110, Functional Profile And User Manual, Page: 10 / 34

English (GB)
10
11. Override functionality
The pump controller profile can override the setpoint. If
nviPumpOpMode is set to any of the values in fig.
9 , the
nviPumpSetpoint will be overridden.
The controller will not return to normal setpoint control until the
nviPumpOpMode is set to HVAC_AUTO. The override priority can
be seen in fig.
9 .
Fig. 9
Override functionality
TM
04
23
34
23
08
HVAC_ECONOMY
HVAC_NIGHT_PURGE2
or
HVAC_MRNG_WRMUP
or
HVAC_PRE_COOL?
The CU351 works with
operation mode MIN
The CU351 works with
operation mode MAX
The CU351 works with
<nviPumpSetpoint> according
to pump instruction and
operation manual
nv2
nviPumpOpMode
SNVT_hvac_mode
nv1
nviPumpSetpoint
SNVT_switch
YES
YES
NO
The controller is
operating in operating
mode MIN.
The controller is
operating in operating
mode MAX.
The controller is operating
with <nviPumpSetpoint>
according to the
installation and operating
instructions for the
controller.
or
or
NO
YES
YES