Global Mainstream Dynamic Energy Technology Ltd.
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User Manual
GHESS 9.8-14.4-TH hybrid system
2. Time of Use Mode (peak shaving)
The system charges the battery packs at off-peak time (pre-set charging time); discharges the
battery packs at peak time (pre-set discharging time)
5.3.2 Off-grid Operation
The Powervortex 309KTL hybrid inverter has integrated backup function.
5.4 System Maintenance
When maintaining the system, power off the Powervortex 309KTL. Please obey the following
operations:
1. Turn off the AC breaker, which means cut the inverter off the grid
2. Turn off the DC breaker of Battery Cabinet
3. Turn off DC switch of Powervortex 309KTL
4. Waiting at least 15 min. before maintenance
5. After disconnecting all the cables, please move the inverter to a proper position for
maintenance
Note: if the system is not used for a long time, please turn off the whole system for safety.
6 Troubleshooting
6.1 Safety during Troubleshooting
High electric voltage!
Risk of death or personal injury by electric shock!
Never work with live wires! It is prior to all connection and maintenance work.
Warning!
Danger from residual voltage out of capacitors.
You must wait until the capacitors have fully discharged. Discharge takes
around15 minutes.
Caution!
Danger from inadequate grounding.
An inadequate grounding conductor connection can cause serious injuries to
persons and damage to properties.
1. Make sure that the AC and DC wires are not charged.
2. The connection area should only be opened by a licensed electrician.
