8
11 Operation
The ESS is fully automated, and will connect the system to the grid after AC and DC sources are applied. Refer to the EMS
Commissioning Guide for system setup and operation status. The operating states can also be viewed on the display panel.
12 Display Panel
12.1 LED Display Indicators
The display panel indicates the following:
Battery Operating State
PCS Operating State
(out of) Service Indicator
12.2 LED display definitions.
Indicators in the above table assume a valid AC grid source is supplied and connected to the PCS.
13 Emergency Power Outlet
The ESS has an on-board emergency power outlet rated for 240 Vac, with a 10 Amp fuse rating. The following
recommendations apply to the use of the emergency power outlet:
1.
Do not exceed 2000 VA of load. This includes startup surge of motor type loads.
2.
Extension cords connected to the outlet should not exceed 10 meters in length.
3.
Do not connect the outlet to permanently wired electrical circuits; for example) electrical panel.
13.1 LED display: backup power operating states.
Display
Definition
Battery status LEDs indicate the following:
Charge = flash right. Discharge = flash left.
PCS and service lights off.
Low SOC shutdown in backup mode. ESS will restart system when grid power returns.
Low SOC shutdown initiated while out of service. See troubleshooting – section 7,
“service light on in backup mode”.
LED
Mode
Definition
State of charge. Each LED represents 20%
SOC. Solid = battery idle.
Charge = flash right. Discharge = flash left.
Low battery.
Sleep / Standby mode.
Grid timing mode.
Grid synchronization mode. Ten second test
before grid connect mode.
Grid connected mode.
System OK.
System out of service.
User initiated service mode.
EMS
Battery
PCS Service
Figure 12: Display panel.
Blink
Flash
Solid
