ESS working mode switch

Set this parameter to Running or Shutdown.

This parameter will not be displayed after ESS startup authorization is completed.

Startup authorization code

Set the startup authorization code. Otherwise, the ESS cannot be started. Contact the ESS supplier or installer to obtain the startup authorization code.

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Device

Set the name of the ESS.

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Certificate verification interval

Set the certificate verification interval.

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Certificate expiration notification period

Set the certificate expiration notification period.

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Communication using expired certificate

Enable or disable communication using an expired certificate.

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Remote black start

Perform black start.

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Display module brightness

Set this parameter to Off, Low, Moderate, or High. The default value is Moderate.

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Delayed update

• Enable: The update can be delayed.
• Disable: The update can be performed immediately. The update may fail if the update conditions are not met.

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Burglar Alarm

The default value is Disable.

Disable: No burglar alarm will be triggered when the ESS door is open.

Enable: A burglar alarm will be triggered when the ESS door is open.

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Alarm beacon control

The default value is Stopped.

Stopped: Disable the alarm beacon output of the ESS.

Start-up: Enable the alarm beacon output of the ESS.

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Forced dehumidification control

At the first startup after deployment or long-term storage, you are advised to start forced dehumidification to reduce the risk of equipment damage caused by condensation.

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Exhaust fan control

After started, the exhaust fan will automatically stop in at least 1 hour. If a combustible gas alarm is generated, the exhaust fan cannot be stopped. The exhaust fan cannot be manually started after the fire response is triggered until the fire alarm is cleared or 24 hours later.

This parameter is displayed when the number of exhaust fans is greater than 0.

Exhaust fan control module self-test

After the self-test is started, the exhaust fan will be running for a period of time to check its exhaust function. If the exhaust fan does not meet the requirements, the system cannot start.

Exhaust fan control module self-test time

Time when the exhaust function is self-tested every day

Secondary power supply for fire suppression module

The thermal runaway suppression device uses lead-acid batteries as the backup power supply. If the primary power supply is disconnected and switched to the backup power supply, the energy of the lead-acid batteries may be exhausted. To reduce the probability of this risk, an external port for operating the backup power switch is added.

This parameter is displayed when the quantity of backup power supplies for the thermal runaway suppression device is greater than 0.

Grid code

Set this parameter based on the grid code of the country or region where the device is used.

Isolation settings

Specifies the device grounding status on the DC side and the connection to the power grid.

Output mode

Specifies the supported power grid types.

Automatic voltage control for extremely weak grids

The default value is Disable. If this parameter is set to Enable, the device can run stably in an extremely weak power grid. After this parameter is set to Enable, the power response speed slows down, which affects the closed-loop control effect of the array. Therefore, exercise caution when setting this parameter.

Grid reconnection voltage upper limit (V)

According to the standards of certain countries and regions, grid reconnection is not allowed when the grid voltage is higher than the maximum voltage for grid reconnection.

Grid reconnection voltage lower limit (V)

According to the standards of certain countries and regions, grid reconnection is not allowed when the grid voltage is lower than the minimum grid voltage for grid reconnection.

Grid reconnection frequency upper limit (Hz)

According to the standards of certain countries and regions, grid reconnection is not allowed when the grid frequency is higher than the maximum grid frequency for grid reconnection.

Grid reconnection frequency lower limit (Hz)

According to the standards of certain countries and regions, grid reconnection is not allowed when the grid frequency is lower than the minimum grid frequency for grid reconnection.

On-grid recovery time (s)

Specifies the time after which the device begins restarting after the power grid recovers.

Quick startup for short-time grid disconnection

Specifies whether to allow the device to quickly start after the power grid recovers from a short-time failure.

Duration for determining short-time grid disconnection (ms)

The standards of certain countries and regions require that the device should not disconnect from the power grid if the power grid experiences a short-time failure. After the fault is rectified, the device output power needs to be quickly restored.

Auto start upon grid recovery

Specifies whether to allow the device to automatically start after the power grid recovers.

PCS insulation resistance protection threshold

To ensure device safety, the device detects the insulation resistance of the DC side to the ground when it starts a self-check. If the detected value is less than the preset value, the device does not connect to the grid nor start. The recommended value range is [0.033, 1.5].

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Unbalance voltage protection (%)

Specifies the device protection threshold when the power grid voltage is unbalanced.

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Phase angle offset protection

The standards of certain countries and regions require that the device needs to be protected when the phase angle offset of the power grid three phases exceeds a certain value.

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Active islanding protection

Specifies whether to enable the active islanding protection function.

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10 minute OV protection (V)

Specifies the 10-minute overvoltage protection threshold. Value range: [800, 1000] V.

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10 minute OV protection time (ms)

Specifies the 10-minute overvoltage protection duration.

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Level-N OV protection (V)

Specifies the level-N grid overvoltage protection threshold.

N can be 1, 2, 3, 4, 5, or 6. Set this parameter as required.

Level-N OV protection time (ms)

Specifies the level-N grid overvoltage protection duration.

Level-N UV protection (V)

Specifies the level-N grid undervoltage protection threshold.

Level-N UV protection time (ms)

Specifies the level-N grid undervoltage protection duration.

Level-N OF protection (Hz)

Specifies the level-N grid overfrequency protection threshold.

Level-N OF protection time (ms)

Specifies the level-N grid overfrequency protection duration.

Level-N UF protection (Hz)

Specifies the level-N grid underfrequency protection threshold.

Level-N UF protection time (ms)

Specifies the level-N grid underfrequency protection duration.

Frequency-based control

The standards of certain countries and regions require that if the power grid frequency fluctuates around the rated value, the device needs to fine-tune the active power output based on Frequency-based adjustment ratio to help stabilize the power grid frequency. In this case, set this parameter to Enable.

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Response deadband of frequency-based control

Specifies the threshold for triggering frequency-based control. For example, if this parameter is set to 0.1 Hz, the frequency-based control is not triggered when the frequency is within reference frequency±0.1 Hz.

This parameter is displayed when Frequency-based control is set to Enable.

Power change gradient of frequency-based control

Specifies the active power change gradient of frequency-based control.

Power change limit of frequency-based control

Specifies the upper limit for active power adjustment in frequency-based control.

Frequency-based adjustment ratio

Specifies the adjustment ratio of the active power output.

Protection upon communication failure

If this parameter is set to Enable, the device performs protection based on the preset power when its communication with the SmartLogger is interrupted for a period longer than Communication disconnection detection time.

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Active power mode when communication fails

Specifies the protection mode of the active power after the communication is interrupted. The value can be Percentage or Fixed value.

This parameter is displayed when Protection upon communication failure is set to Enable.

Reactive power mode when communication fails

Specifies the protection mode of the reactive power after the communication is interrupted. The value can be Q/S or Power factor.

Communication disconnection detection time (s)

Specifies the detection time for protection upon a communication failure between the device and the SmartLogger or Smart Dongle.

Active power threshold (%) when communication fails [high precision]

Specifies the active power threshold in percentage.

This parameter is displayed when Protection upon communication failure is set to Enable and Active power mode when communication fails is set to Percentage.

Active power threshold (kW) when communication fails [high precision]

Specifies the active power threshold as a fixed value.

This parameter is displayed when Protection upon communication failure is set to Enable and Active power mode when communication fails is set to Fixed value.

Reactive power threshold (Q/S) when communication fails [high precision]

Specifies the Q/S threshold (%) of the reactive power.

This parameter is displayed when Protection upon communication failure is set to Enable and Reactive power mode when communication fails is set to Q/S.

Reactive power threshold (PF) when communication fails

Specifies the power factor threshold of the reactive power.

This parameter is displayed when Protection upon communication failure is set to Enable and Reactive power mode when communication fails is set to Power factor.

Soft start time (s)

Specifies the duration for the power to gradually increase until the device starts.

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Shutdown gradient (%/s)

Specifies the power change rate until the device shuts down.

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HVRT

HVRT is short for high voltage ride-through. When the grid voltage is abnormally high for a short time, the device cannot disconnect from the power grid immediately and has to work for some time.

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HVRT threshold (V)

Specifies the threshold for triggering HVRT. The threshold settings should meet the local grid standard.

This parameter is displayed when HVRT is set to Enable.

Positive-sequence reactive power compensation factor in HVRT

During HVRT, the device needs to generate positive-sequence reactive power to support the power grid. This parameter is used to set the positive-sequence reactive power generated by the device.

For example, if you set this parameter to 2, the increment of positive-sequence reactive current generated by the device is 20% of the rated current when the AC voltage increases by 10% during HVRT.

Negative-sequence reactive power compensation factor in HVRT

During HVRT, the device needs to generate negative-sequence reactive power to support the power grid. This parameter is used to set the negative-sequence reactive power generated by the device.

For example, if you set this parameter to 2, the increment of negative-sequence reactive current generated by the device is 20% of the rated current when the AC voltage increases by 10% during HVRT.

Zero current due to power grid fault

Specifies whether to enable the function of working in zero-current mode upon a power grid fault.

Deactivate grid voltage protection during HVRT/LVRT

Specifies whether to shield the voltage protection function during LVRT or HVRT.

• This parameter is displayed when LVRT or HVRT is set to Enable.
• LVRT recovery threshold = LVRT threshold + VRT exit hysteresis threshold
• HVRT recovery threshold = HVRT threshold – VRT exit hysteresis threshold

VRT exit hysteresis threshold

Specifies the LVRT/HVRT recovery threshold.

VRT active current limiting (%)

Specifies the percentage of the maximum active current to the rated current during fault ride-through (FRT).

VRT active power recovery gradient

Specifies the recovery rate when the active current is restored to the value at the moment before fault ride-through.

LVRT

LVRT is short for low voltage ride-through. When the grid voltage is abnormally low for a short time, the device cannot disconnect from the power grid immediately and has to work for some time.

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LVRT threshold (V)

Specifies the threshold for triggering LVRT. The threshold settings should meet the local grid standard.

This parameter is displayed when LVRT is set to Enable.

LVRT reactive current limiting (%)

During LVRT, the device needs to limit the reactive current.

For example, if you set this parameter to 50, the reactive current upper limit of the device is 50% of the rated current during LVRT.

Threshold of LVRT zero-current mode

If Zero-current mode on power grid fault is enabled and the power grid voltage is less than Threshold of LVRT zero-current mode during LVRT, the zero-current mode is used. Otherwise, the mode set in LVRT mode is used.

LVRT mode

Specifies the LVRT mode. The options are Zero-current mode, Constant current mode, Reactive power priority mode, and Active power priority mode.

Positive-sequence reactive power compensation factor in LVRT

During LVRT, the device needs to generate positive-sequence reactive power to support the power grid. This parameter is used to set the positive-sequence reactive power generated by the device.

For example, if you set this parameter to 2, the increment of positive-sequence reactive current generated by the device is 20% of the rated current when the AC voltage decreases by 10% during LVRT.

Negative-sequence reactive power compensation factor in LVRT

During LVRT, the device needs to generate negative-sequence reactive power to support the power grid. This parameter is used to set the negative-sequence reactive power generated by the device.

For example, if you set this parameter to 2, the increment of negative-sequence reactive current generated by the device is 20% of the rated current when the AC voltage decreases by 10% during LVRT.

LVRT active current maintenance coefficient

Specifies the active current proportional coefficient before and during LVRT.

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Overfrequency-caused power derating

If this parameter is set to Enable, when the power grid frequency exceeds the frequency threshold for triggering overfrequency-caused power derating, the active power of the device is derated based on a certain gradient.

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Frequency threshold for stopping overfrequency-caused power derating (Hz)

Specifies the frequency threshold for stopping overfrequency-caused power derating.

• This parameter is displayed when Overfrequency-caused power derating is set to Enable.
• When setting this parameter, ensure that the following condition is met: Frequency threshold for exiting overfrequency-caused power derating ≤ Frequency threshold for triggering overfrequency-caused power derating < Frequency threshold for stopping overfrequency-caused power derating.

PCS power threshold for stopping overfrequency-caused power derating

Specifies the power threshold for stopping overfrequency-caused power derating.

Frequency threshold for triggering overfrequency-caused power derating (Hz)

The standards of certain countries and regions require that the output active power of the device be derated when the power grid frequency exceeds a certain value.

Frequency threshold for exiting overfrequency-caused power derating (Hz)

Specifies the frequency threshold for exiting overfrequency derating.

Power drop gradient of overfrequency derating (%/s)

Specifies the rate of overfrequency-caused power derating.

Gradient of power recovery from overfrequency-caused derating (%/min)

Specifies the power recovery rate for overfrequency-caused power derating.

Underfrequency-caused power raising

The standards of certain countries and regions require that the device need to increase the active power output to increase the power grid frequency if the power grid frequency is lower than Frequency threshold for triggering underfrequency-caused power raising. In this case, set this parameter to Enable.

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Gradient of underfrequency-caused power raising (%/min)

Specifies the power recovery rate for underfrequency-caused power raising.

This parameter is displayed when Underfrequency-caused power raising is set to Enable.

Frequency threshold for stopping underfrequency-caused power raising (Hz)

Specifies the frequency threshold for stopping underfrequency-caused power raising.

PCS power threshold for stopping underfrequency-caused power raising

Specifies the power threshold for stopping underfrequency-caused power raising.

Frequency threshold for triggering underfrequency-caused power raising (Hz)

Specifies the frequency threshold for triggering underfrequency-caused power raising.

Frequency threshold for exiting underfrequency-caused power raising (Hz)

Specifies the frequency threshold for exiting underfrequency-caused power raising.

Delay of underfrequency-caused power raising

Specifies the delay of underfrequency-caused power raising.

Microgrid compatibility

The default value is Disable. The recommended settings are as follows:

• If Working mode is set to VSG for the PCS or Scenario is set to On-grid, set this parameter to Disable.
• If Working mode is set to PQ for the PCS and the PCS works in a microgrid that uses a diesel generator or other voltage sources, set this parameter to Enable. If this parameter is set to Enable, the PCS adaptively changes the output power based on the original grid code and the grid voltage and frequency to support a higher ratio of current sources to voltage sources (that is, PV-to-ESS ratio).

If this parameter is set incorrectly, the Smart PCS may run abnormally.

Working mode

The default value is PQ.

• If Scenario is set to On-grid, set this parameter to PQ.
• If Scenario is set to Off-grid, set this parameter to VSG.
• If Scenario is set to On/Off-grid, set this parameter to PQ or VSG.

• If you set VSG, ensure that the AC output side of the ESS uses the TN system and Output mode is set to Three-phase four-wire.
• After this parameter is set, the device shuts down.

Per unit armature resistance

The default value is 2. Specifies the resistance per unit value for armature windings of the virtual synchronous generator.

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Per unit armature inductive reactance

The default value is 1. Specifies the inductive reactance per unit value for armature windings of the virtual synchronous generator.

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Off-grid VSG Inertia Time Constant

The default value is 0.9. Specifies the time required for the virtual rotor of the virtual synchronous generator to reach the rated speed from the static state under the rated torque.

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P-F adjustment coefficient

The default value is 1. Specifies the frequency deviation corresponding to the rated active power of the virtual synchronous generator.

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Q-V adjustment coefficient

The default value is 3. Specifies the voltage deviation corresponding to the rated reactive power of the virtual synchronous generator.

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P-V adjustment coefficient

The default value is 0. Specifies the voltage deviation corresponding to the rated active power of the virtual synchronous generator.

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Q-F adjustment coefficient

The default value is 0. Specifies the frequency deviation corresponding to the rated reactive power of the virtual synchronous generator.

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VSG output voltage correction coefficient

The default value is 100. Corrects the deviation caused by the transformer ratio error.

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VSG output frequency correction coefficient

The default value is 100. Corrects the PCS output frequency deviation.

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VSG frequency damping coefficient

The default value is 7.2. Specifies the power factor that prevents the frequency change of the virtual synchronous generator.

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VSG excitation time constant

The default value is 0. Specifies the time required for the excitation of the virtual synchronous generator to reach the rated voltage.

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VSG excitation damping coefficient

The default value is 0. Specifies the power factor that prevents the voltage change of the virtual synchronous generator.

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Voltage adjustment value for VSG synchronous control (%)

The default value is 0. Specifies the adjustment value of the PCS control output voltage in VSG mode.

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Frequency adjustment value for VSG synchronous control (%)

The default value is 0. Specifies the adjustment value of the PCS output frequency in VSG mode.

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Auto switching between working modes

This parameter is applicable only in on-grid or on/off-grid mode.

• Disable: On/Off-grid switching cannot be performed automatically.
• Enable: On/Off-grid switching can be performed automatically and the PCS does not need to be shut down before the switching.

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Working mode switching delay

The default value is 60. Time for other instructions to take effect during PCS working mode switching. The value range is [10, 300] (unit: s).

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Active power (%) [high precision]

Adjusts the active power output of the device by percentage.

Reactive power compensation (Q/S) [high precision]

Specifies the reactive power of the device.

Active power (kW)

Adjusts the active power output of the device by fixed value.

Q-U characteristic curve mode

Specifies the reactive power compensation mode of the device output.

Power percentage for triggering Q-U scheduling

Specifies the reference apparent power in percentage. When the actual apparent power of the device is greater than the value of this parameter, the Q-U characteristic curve scheduling function is enabled.

Minimum PF of Q-U characteristic curve

Specifies the minimum power factor for Q-U adjustment.

Percentage of apparent power

Specifies the percentage of apparent power.

Power factor

Specifies the power factor of the device.

Reactive power change gradient

Specifies the change rate of the device reactive power.

Active power change gradient

Specifies the change rate of the device active power.

PF-U voltage detection filter time

Specifies the time for filtering the grid voltage in the PF-U curve.

Power control priority

Set this parameter to Reactive power first or Active power first.

Apparent power baseline

Specifies the apparent power baseline for power scheduling. The value cannot be greater than the maximum apparent power. When the PCS runs in PQ mode, the apparent power does not exceed the value of this parameter.

Active power baseline

Specifies the active power baseline for power scheduling. The value cannot be greater than the maximum active power. When the PCS runs in PQ mode, the active power does not exceed the value of this parameter.

Threshold for active balancing

When the cell pressure difference between packs reaches the threshold, the active balancing management logic is triggered.

DCDC Insulation resistance protection threshold

Set the insulation resistance protection threshold. If the actual value is less than the threshold, the device does not start.

Total charged energy calibration

Calibrate the total charged energy.

Total discharged energy calibration

Calibrate the total discharged energy.

Location of pack 1

Set the location ID of battery pack 1.

Location of pack 2

Set the location ID of battery pack 2.

Location of pack 3

Set the location ID of battery pack 3.

Location of pack 4

Set the location ID of battery pack 4.

Liquid cooling mode

Set this parameter to Automatic, Diagnostic Mode, or Maintenance mode.

• Automatic: The liquid thermal management system (LTMS) is automatically controlled.
• Diagnostic Mode: The operating status of the LTMS is diagnosed.
• Maintenance mode: Choose this mode when coolant needs to be refilled or drained.

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Silent mode

Set this parameter to Off or On. If the silent mode is enabled, the noise of the entire cabinet can be reduced.

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Power limit function for liquid cooling

Set this parameter to Off or On. If the power limit function for liquid cooling is enabled, the operating power of the LMTS can be limited.

After this function is enabled, the compressor and electric heater of the LTMS cannot be started at the same time.

Maintenance mode

Set this parameter to Standby, Refilling, or Draining. The default value is Standby.

• Standby: Wait for refilling coolant into or draining coolant from the liquid cooling pipe system.
• Refilling: Refill coolant into the liquid cooling pipe system.
• Draining: Drain coolant from the liquid cooling pipe system.

• When you select Refilling, the following dialog box is displayed:

1. After refilling is started, wait until the refilling process is complete so that the LTMS can run properly.
2. Manual operations have been performed according to the manual. Are you sure you want to continue?

• When you select Draining, the following dialog box is displayed:

1. After draining is started, you need to drain coolant and refill coolant so that the LTMS can run properly.
2. Manual operations have been performed according to the manual. Are you sure you want to continue?

Diagnostic Mode

Set this parameter to Manual or Auto.

• Manual: Some components of the LTMS are manually controlled.
• Auto: The status of the LTMS is checked automatically.

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Battery temperature control mode for diagnosis

Diagnose the functions of the components involved in the following battery temperature control modes:

• Self-circulating
• Natural cooling
• Active cooling
• Waste heat recovery
• Heat pump heating
• Mixed heating
• Electric heating

C&I scenario: All modes are applicable.

Utility scenario: Only Self-circulating, Natural cooling, Active cooling, and Electric heating are applicable.

This parameter is displayed only when Diagnostic Mode is set to Manual.

Internal environment dehumidifying control mode for diagnosis

Set this parameter to Off or On.

The dehumidifying control mode can be enabled to diagnose the functions of components involved in the dehumidification function.

Internal environment temperature control mode for diagnosis

Set this parameter to Off, Passive cooling, or Active cooling.

• Passive cooling: The passive cooling function is enabled to diagnose the functions of components involved in passive cooling.
• Active cooling: The active cooling function is enabled to diagnose the functions of components involved in active cooling.

Maximum diagnostic mode duration

Set the maximum duration of the diagnostic mode. The value range is [5, 360] min. The system automatically exits the diagnostic mode when the specified duration is reached.

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Coolant replacement interval

Set the interval for coolant replacement. The default value is 3832 days (3 years). The value range is [1095, 10950] days, that is, 3 to 30 years.

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Compressor 1 setting status

Set the control speed for compressor 1.

This parameter is displayed when Liquid cooling mode is set to Diagnostic Mode, Diagnostic Mode is set to Manual, and one of the following conditions is met:

• Battery temperature control mode for diagnosis is set to Active cooling, Heat pump heating, or Mixed heating.
• Internal environment dehumidifying control mode for diagnosis is set to On.
• Internal environment temperature control mode for diagnosis is set to Active cooling.

Dehumidification fan setting status

Set the control speed for the dehumidification fan.

This parameter is displayed when Liquid cooling mode is set to Diagnostic Mode, Diagnostic Mode is set to Manual, and one of the following conditions is met:

• Internal environment dehumidifying control mode for diagnosis is set to On.
• Internal environment temperature control mode for diagnosis is set to Passive cooling or Active cooling.

Outdoor fan 1 setting status

Set the control speed for outdoor fan 1.

This parameter is displayed when Liquid cooling mode is set to Diagnostic Mode, Diagnostic Mode is set to Manual, and Battery temperature control mode for diagnosis is set to one of the following values:

• Self-circulating
• Natural cooling
• Active cooling
• Heat pump heating
• Mixed heating

Outdoor fan 2 setting status

Set the control speed for outdoor fan 2.

Setting status of circulating pump 1

Set the control speed for circulating pump 1.

This parameter is displayed when Liquid cooling mode is set to Diagnostic Mode, Diagnostic Mode is set to Manual, and either of the following conditions is met:

● C&I scenario: Battery temperature control mode for diagnosis is set to Self-circulating, Natural cooling, Active cooling, Heat pump heating, or Mixed heating.

● Utility-scale scenario: Battery temperature control mode for diagnosis is set to Self-circulating, Natural cooling, Active cooling, or Mixed heating.

Setting status of circulating pump 2

Set the control speed for circulating pump 2.

This parameter is displayed when Liquid cooling mode is set to Diagnostic Mode, Diagnostic Mode is set to Manual, and Battery temperature control mode for diagnosis is set to one of the following values:

• Self-circulating
• Natural cooling
• Active cooling
• Waste heat recovery
• Heat pump heating
• Mixed heating
• Electric heating

Electric heater setting status

Set this parameter to Off or On.

This parameter is displayed when Liquid cooling mode is set to Diagnostic Mode, Diagnostic Mode is set to Manual, and Battery temperature control mode for diagnosis is set to Mixed heating or Electric heating.

Confirm coolant replacement

If the coolant needs to be replaced, select this parameter and click Submit.

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Clear total runtime of EEV 1

To recalculate the total runtime of EEV 1, select this parameter and click Submit.

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Clear total runtime of EEV 2

To recalculate the total runtime of EEV 2, select this parameter and click Submit.

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Clear total runtime of circulating pump 1

To recalculate the total runtime of circulating pump 1, select this parameter and click Submit.

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Clear total runtime of circulating pump 2

To recalculate the total runtime of circulating pump 2, select this parameter and click Submit.

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Clear total runtime of electric heater

To recalculate the total runtime of the electric heater, select this parameter and click Submit.

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Clear total runtime of dehumidifying fan

To recalculate the total runtime of the dehumidifying fan, select this parameter and click Submit.

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Clear total runtime of outdoor fan 1

To recalculate the total runtime of outdoor fan 1, select this parameter and click Submit.

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Clear total runtime of outdoor fan 2

To recalculate the total runtime of outdoor fan 2, select this parameter and click Submit.

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Clear total air filter usage time

To recalculate the total usage time of the air filter, select this parameter and click Submit.

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Clear compressor total runtime

To recalculate the total runtime of the compressor, select this parameter and click Submit.

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Clear total switching times of multi-way valve

To recalculate the total switching times of multi-way valve, select this parameter and click Submit.

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Adjust total energy yield

A calibrating coefficient for the total energy yield to ensure that the reported energy yield is consistent with the actual energy yield at the grid connection point

Adjusted total power supply from grid

A calibrating coefficient for the total power supply from the grid to ensure that the reported amount of power supplied from the grid is consistent with the actual power supply at the grid connection point

Historical power clearing

Clear the historical amount of electricity, including the total energy yield and total power supply from the grid.