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HAT552/HAT553 DUAL POWER ATS CONTROLLER USER MANUAL
HAT552/HAT553 ATS Controller 2020-05-14 Version 1.1 Page 9 of 35
6.2
INDICATOR DESCRIPTION
Table 5 Indicator Description
Indicator Name
Indicator Description
Alarm Indicator
Slow flashing for warning alarms ( 1time per second);
Fast flashing for fault alarms ( 5 times per second)
Auto Mode Indicator
Light on when current is Auto mode;
Manual Mode Indicator
Light on when current is Manual mode;
A Power Indicator
Always light on when A AC power is normal; flashing when it is
abnormal; light off when it is outage.
A Power Close Status Indicator
Light on when A power switch auxiliary contact is active; light off
when it is inactive;
B Power Close Status Indicator
Light on when B power switch auxiliary contact is active; light off
when it is inactive;
B Power Indicator
Always light on when A AC power is normal; flashing when it is
abnormal; light off when it is outage.
6.3
KEY FUNCTION DESCRIPTION
Table 6 Key Function Description
Key
Function
Description
Manual Key
Transfer to Manual mode (HAT552);
Auto Key
Transfer to Auto mode (HAT552);
Manual/Auto Key Transfer to Manual or Auto mode (HAT553);
A Close Key
Active in manual mode;
Press and A power switch closes; load is supplied by A power;
Open Key
Active in manual mode;
Press and load is disconnected (HAT553);
B Close Key
Active in manual mode;
Press and B power switch closes; load is supplied by B power;
Set/Confirm
In main screen, press and it enters menu interface;
After entering menu interface, confirm key can move the cursor and
confirm the set information;
Down/
Lamp Test Key
In main screen, press and scroll down the screen display;
After entering menu interface, it can move down the cursor or decrease
the value where the cursor is;
In main screen, pressing longer is lamp test; when lamp test is done,
LCD backlight is illuminated, LCD displays all dark and all LED
indicators on the panel are illuminated.
NOTE:
Press
and
simultaneously to set backlight on always; Again press both simultaneously or power on
afresh to cancel backlight on always.