3843909 SLEEVE-BULK Caterpillar parts
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Alternative (cross code) number:
CA3843909
384-3909
3843909
CA3843909
384-3909
3843909
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Information:
Engine Start Timer
The engine start timer is also referred to as the "P" timer.The engine start timer is used to ensure that the transfer switch does not start the engine during momentary outages. The time range is zero to ten seconds. The timer begins when the normal power source fails to meet the adjusted parameters. When the timer has elapsed, the contacts of the engine start relay will operate in order to start the engine. The engine start timer can be adjusted by using the "P(SEC)" dial on the back of the controller. The factory default setting is three seconds.Delay to Emergency Timer
The delay to emergency timer is also referred to as the "W" timer.This timer is used to ensure that the generator is stable before the transfer occurs. The time range is zero to fifteen seconds. The timer begins once the output of the generator satisfies the adjusted parameters. When the timer has elapsed, the transfer to the emergency power source will be initiated. The transfer to emergency timer can be adjusted by using the "W(SEC)" dial on the back of the controller. The factory default setting is one second.The ATS is not dedicated to the transfer to the emergency power source. If the voltage of the normal power source is restored before the completion of the transfer to emergency timer, the ATS will remain in the normal position. The engine cooldown timer will be initiated.Delay to Normal Timer
The delay to normal timer is also referred to as the "T" timer.This timer is used to verify that the normal power source has consistently met the parameters of the sensors for a minimum amount of time. The time range is zero to thirty minutes. The timer begins when the normal power source satisfies the parameters of the sensors. When the timer has elapsed, the transfer to the normal power source will be initiated. The transfer to normal timer can be adjusted by using the "T(MIN)" dial on the back of the controller. The factory default setting is thirty minutes.Engine Cooldown Timer
The engine cooldown timer is also referred to as the "U" timer.This timer is used in order to run the generator without a load before the engine is stopped. The time range is zero to five minutes. The timer will start after the switch transfers to the normal power source. When the timer has elapsed, the engine start relay will operate in order to stop the engine. The engine cooldown timer can be adjusted by using the "U(MIN)" dial on the back of the controller. The factory default setting is five minutes.Open Delay Timers
The delay from open to normal timer is also referred to as the "DT" timer. The delay from open to emergency timer is also referred to as the "DW" timer.The open delay timers are only present on CTGD models. These timers are used to control the center open position of delay transfer switches in order to allow the back EMF of the load to discharge
The engine start timer is also referred to as the "P" timer.The engine start timer is used to ensure that the transfer switch does not start the engine during momentary outages. The time range is zero to ten seconds. The timer begins when the normal power source fails to meet the adjusted parameters. When the timer has elapsed, the contacts of the engine start relay will operate in order to start the engine. The engine start timer can be adjusted by using the "P(SEC)" dial on the back of the controller. The factory default setting is three seconds.Delay to Emergency Timer
The delay to emergency timer is also referred to as the "W" timer.This timer is used to ensure that the generator is stable before the transfer occurs. The time range is zero to fifteen seconds. The timer begins once the output of the generator satisfies the adjusted parameters. When the timer has elapsed, the transfer to the emergency power source will be initiated. The transfer to emergency timer can be adjusted by using the "W(SEC)" dial on the back of the controller. The factory default setting is one second.The ATS is not dedicated to the transfer to the emergency power source. If the voltage of the normal power source is restored before the completion of the transfer to emergency timer, the ATS will remain in the normal position. The engine cooldown timer will be initiated.Delay to Normal Timer
The delay to normal timer is also referred to as the "T" timer.This timer is used to verify that the normal power source has consistently met the parameters of the sensors for a minimum amount of time. The time range is zero to thirty minutes. The timer begins when the normal power source satisfies the parameters of the sensors. When the timer has elapsed, the transfer to the normal power source will be initiated. The transfer to normal timer can be adjusted by using the "T(MIN)" dial on the back of the controller. The factory default setting is thirty minutes.Engine Cooldown Timer
The engine cooldown timer is also referred to as the "U" timer.This timer is used in order to run the generator without a load before the engine is stopped. The time range is zero to five minutes. The timer will start after the switch transfers to the normal power source. When the timer has elapsed, the engine start relay will operate in order to stop the engine. The engine cooldown timer can be adjusted by using the "U(MIN)" dial on the back of the controller. The factory default setting is five minutes.Open Delay Timers
The delay from open to normal timer is also referred to as the "DT" timer. The delay from open to emergency timer is also referred to as the "DW" timer.The open delay timers are only present on CTGD models. These timers are used to control the center open position of delay transfer switches in order to allow the back EMF of the load to discharge