GRUNDFOS
INSTRUCTIONS
www.grundfos.co.uk
Page 8 of 35
Mode 2 – Fire mode (or Main pump/Duty pump).
If the system pressure decays enough again within the next 20 seconds following the system
pressure maintenance mode de-activation the
FireSAFE
unit will immediately switch to Fire
mode and run the pump continuously until stopped by the return of the system set point
pressure and the pressing of the Test/Reset button on the control panel.
Instructions for setting and adjusting the Pressure Switches can be found in section Pressure
switches setting, section 9.1, along with the factory pressure settings of the
FireSAFE
.
Mode 3 - Service mode
The
FireSAFE
unit has a Service mode, the functions include:
Fault status reset
Service status reset
Pump run counter reset (>10 operations in 1 week period)
Pump calibration
To access the service mode follow the below procedure
When in service mode, the ALARM!, SERVICE and FAULT lights will illuminate.
When in service mode the following activities can be undertaken:
Pressing the test button for 1 second will reset all Fault and Service requests and return
to the normal operation.
Pressing and holding the test button for >10 seconds will start the pump condition
learning and return to the normal operation. This will also reset all Faults and Service
requests and return to the normal operation.
(Press and hold the test button until a long beep is heard).
Press and
hold the Test
button for
>10 seconds
Pump runs
Buzzer beeps
once
Pump stops,
buzzer beeps
for a second
time
release
button
Service and/or Fault LEDs will flash if
previously flashing.
