APC615 Pump Unit Controller User Manual
APC615 Pump Unit Controller Version 1.0 2017-10-20 Page 11 of 54
accelerates to high-speed running automatically;
c) If high temperature, low oil pressure and over speed occur during pump unit running, controller
can protect it to stop quickly (Please refer to 4.3.1, No.c~h of AUTO START OPERATION for
detail procedures)
4.4.2 MANUAL STOP SEQUENCE
Press can stop the running pump unit. (Please refer to 4.3.2, No.b~g of AUTO STOP
OPERATION for detail procedures).
4.5 IDLE SPEED OPERATION
Press during generator is normal running, idle speed indicator lights up and genserator
enters into “Idle Mode”. Engien enters into “Warming Up Delay”, and then idle running starts and idle
relay energized (if idle control is configured) after warming up delay expired.
Press during generator is in standby status, idle speed indicator lights up and genserator
starts in “Manual Mode” or “Auto Mode”. Engien enters into “Start Idle Delay”(if configured) after safety
on delay is expired, and then idle running starts and idle relay energized (if idle control is configured)
after start idle delay expired.
When generator is idle running in “Idle Mode”, press to exit idle mode, and idle speed
indicator is extinguished. Then engine enters into “Warming Up Delay” (if configured), and after
warming up delay is expired, enerator enters into normal running status.
When generator is idle running in “Idle Mode”, press to stop the generator, and generator
from “Idle Running” enters into “Stop Idle Delay”(if configured). The remaining stop process is the
same as auto stop procedure (details please to see 4.3.2, No. c~g of AUTO STOP OPERATION).
4.6 DIESEL DRIVEN PUMP START/STOP OPERATION
Water suction pump type set as diesel driven suction pump.
Diesel driven pump start:
After auto/manual start is active, pre-heat relay starts output (if configured), and pre-heat
delay information displays on the LCD of controller. Then starter relay of diesel driven pump
outputs (if configured) after pre-heat delay expired. If the diesel driven pump unit crank
disconnect input is deactivated (input port need to be configured) during “Diesel Driven Pump
Cranking Time”, the starter relay of diesel pump unit stops output, and “crank rest time”
begins and wait for the next crank attempt. Should this start sequence continue beyond the
set number of attempts, the start sequence will be terminated, and controller initiate “Fail To
Start Shutdown” alarm and corresponding alarm information will be displayed on LCD.
In case of successful crank attempt, the “Waiting Pressure To” timer is activated. If the
“Pressure to Suction Pump” input (input port need to be configured) is deactivated over the
delay, controller will initiate suction pump fault shutdown alarms and corresponding alarm
information will be displayed on the LCD of the controller.
If the “Pressure to Suction Pump” input (input port need to be configured) is active during the
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