HGM7220N/HGM7220S GENSET CONTROLLER USER MANUAL
HGM7220N/HGM7220S Genset Controller 2019-02-28 Version 1.0 Page 42 of 60
8.5 CONDITIONS OF CRANK DISCONNECT SELECTION
Table 14 - Crank Disconnect Conditions Selection
Oil pressure + Gen frequency
Speed + Gen frequency + Oil pressure
NOTES:
a) There are 3 conditions to make starter separate with engine; speed, generator frequency and oil pressure can be used
separately while it is suggested that oil pressure is used together with speed and generator frequency. The aim is to
disconnect the starter motor as soon as possible.
b) Speed sensor is the magnetic equipment installed in starter for detecting flywheel teeth.
c) When it is setting speed, users must ensure that the number of flywheel teeth is as same as the set, otherwise, “over
speed shutdown” or “under speed shutdown” may be caused.
d) If genset is without speed sensor, please don’t select corresponding items, otherwise, “start fail” or “loss speed signal”
maybe be caused.
e) If genset is without oil pressure sensor, please don’t select corresponding items.
f) If generator frequency is not selected in crank disconnect setting, controller will not collect and display the relative
power quantity (which can be used in water pump set); if speed is not selected in crank disconnect setting, the engine
speed displayed in controller is calculated by generator signal.
9 PARAMETERS SETTING
9.1 MENU ITEMS
Start the controller, then press to enter the parameters setting menu. And menu items are as
follows:
Parameters Set
Language
Event Log
Information
Date and Time
Cycle Start
Bat Low Volt start
9.2 CONTROLLER PARAMETER SETTINGS
After password “0318” is inputted, all parameter items can be set. If the default password is
changed, in case parameter setting is conducted on PC, users need to input the same password as
the controller. If it is needed to set more parameters or password is forgotten, for example,
voltage/current calibration, please contact the factory.
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