Windy-nation TrakMax 40 MPPT Solar Charge Controller Bedienungsanleitung PDF herunterladen (Seite 15)

TrakMax 40 User Manual

Revision 1.0

5) Reset the BATTERY TYPE SELECTOR potentiometer to the appropriate setting for the system

batteries when the Equalize charge has completed

4.3 DC LOAD CONTROL

The TrakMax can operate as a PV charge controller and can regulate up to 40 Amps of continuous

photovoltaic (PV) array current at 12 / 24-volts DC for charging batteries. At the same time the TrakMax can

provide a maximum of 15 Amps of current to a DC load, but the 40 Amp current rating is shared between the

battery and the DC load.

The TrakMax uses voltage set points to determine when to disconnect or reconnect loads depending on

battery voltage. TrakMax prevents damage to the battery from over-discharge during periods of poor weather

or excessive loads and can charge the batteries in this function.

4.3.1 Auto Night Disconnect

When using PV Charge Control mode, the PV array is automatically disconnected from the battery at night to

prevent reverse leakage of power and to protect the PV array.

4.3.2 Low Voltage Disconnect

When configured as a load controller, the TrakMax will disconnect the load from the batteries when it

reaches the low voltage disconnect (LVD) setting. There will be a 1-minute delay after the voltage drops

below the LVD setting before the controller actually disconnects the load.

4.3.3 Low Voltage Reconnect

The TrakMax will also provide automatic reconnection of the loads at the low voltage reconnect (LVR)

setting. Reconnection of the load is allowed once the battery voltage has exceeded the low voltage

reconnect (LVR) setting. Loads are automatically reconnected when battery voltage exceeds the low voltage

reconnect (LVR) setting for 1 minute.

Important: When using the TrakMax in load control do not install the BTS Battery Temperature Sensor

4.4 BATTERY SELECTION

It is important to select the battery type that matches the system battery to ensure proper charging and long

battery life. The battery type selector (Figure 4.4) is a 10 position rotary switch used to set the TrakMax for

the proper float and bulk voltage levels. These levels are selected depending on the type of batteries used.

Refer to the table below for the charge voltages in the various switch positions. Refer to the specifications

provided by the battery manufacturer and choose a setting that best fits the recommended charging profile.

Figure 4.4: Battery Type Selector

4.4.1 Battery Type Selector Switch Settings

• Battery Type: The common battery type associated with the specified charging settings.

• Float Stage: When the battery is fully charged, the charging voltage will be reduced to the Float

voltage setting.

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03/06/2013

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