GREE Photovoltaic Direct-driven Inverter Multi VRF Units
75
input circuit; any connection point between air conditioner and grid may cause fire hazard or electric
shock.
(2) The air conditioner may have unrecoverable damage due to electric discharge of internal
component. When operating this device, please follow the static power protection regulation.
(3) Electric shock and fire hazard may cause electric leakage hazard. Before connecting the
photovoltaic and grid, please ensure the air conditioner is reliably grounded.
(4) Any operation for this device must be done by relevant professionals; if maintenance of the
system is needed, please contact related professionals; pay attention to the safety notice listed in all
safety instructions and installation documents.
(5) Grid parameter configuration
Detailed instructions:
Step 1: make sure the engineering connection of air conditioning system is normal. Refer to the grid
parameter configuration in the owner’s manual;
Step 2: Energize the indoor unit and outdoor unit for the first time. The master controller enters grid
configuration selection mode (LED1 function code qp, on);
Step 3: Under LED1 function code qp status, set grid connection standard;
1. Preparation. IDU and ODU are
connected normally. Refer to the grid
parameter configuration in the owner’s
2. Energize the indoor unit and outdoor
unit. Make sure the master controller
enter grid configuration mode
3. Set grid connection certification
standard
4. Grid parameter configuration (voltage
and frequency)
5. Grid function setting (residual power
sent to grid is defaulted)
6. Wait for 1min and arrange
engineering configuration of air
conditioning system
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