Txbyker Posted April 16, 2020 Report Posted April 16, 2020 Schauer charger JAC2024 and 3 pin plug for portable ground power. I used to power up avionics while in the hanger. $225 via PayPal. I will include shipping in the U.S. Russ Sent from my iPhone using Tapatalk Quote
Danb Posted April 16, 2020 Report Posted April 16, 2020 A great unit, I use it in the hanger practicing on the G1000 1 Quote
Healthpilot Posted January 31, 2022 Report Posted January 31, 2022 On 4/16/2020 at 12:12 PM, Danb said: A great unit, I use it in the hanger practicing on the G1000 Dan and @carusoam I wanted to do the same thing so I bought the same unit above (model JAC2024 with Cessna style red connector) and I followed the procedure: connect to external power with JAC2024 unit off, master switch on, then JAC2024 unit on. However, the G1000 shows -7 AMPS and the unit's light is green vs yellow/amber so not charging. It may be that the solenoid is not triggered? Is there anything that I can do to solve this? I only have a Master switch no other switch to turn on avionics separately in Ovation. Thanks for your help! JAC2024HC Quote
LANCECASPER Posted January 31, 2022 Report Posted January 31, 2022 2 minutes ago, Healthpilot said: Dan and @carusoam I wanted to do the same thing so I bought the same unit above (model JAC2024 with Cessna style red connector) and I followed the procedure: connect to external power with JAC2024 unit off, master switch on, then JAC2024 unit on. However, the G1000 shows -7 AMPS and the unit's light is green vs yellow/amber so not charging. It may be that the solenoid is not triggered? Is there anything that I can do to solve this? I only have a Master switch no other switch to turn on avionics separately in Ovation. Thanks for your help! JAC2024HC You need more amps to open the relay. The small GPUs that people use for the avionics are usually 20 amps or more. 1 Quote
Healthpilot Posted January 31, 2022 Report Posted January 31, 2022 29 minutes ago, LANCECASPER said: You need more amps to open the relay. The small GPUs that people use for the avionics are usually 20 amps or more. Thanks I will check but output of this unit should be 20 Amps. Quote
LANCECASPER Posted January 31, 2022 Report Posted January 31, 2022 42 minutes ago, Healthpilot said: Thanks I will check but output of this unit should be 20 Amps. If that's the case then the diodes in your GPU circuit may be bad. Or it's possible that one of the circuit breakers in the tail of the aircraft might be tripped. Quote
Healthpilot Posted February 1, 2022 Report Posted February 1, 2022 1 hour ago, LANCECASPER said: If that's the case then the diodes in your GPU circuit may be bad. Or it's possible that one of the circuit breakers in the tail of the aircraft might be tripped. I didn't know about circuit breakers in the back... are they located close to the batteries? Quote
LANCECASPER Posted February 1, 2022 Report Posted February 1, 2022 @Healthpilot I'm not sure when they started putting the circuit breakers in the back, but I noticed yours is a 2007 and my 2008 has them, so I would guess that yours does also. In between the two batteries there is a row of breakers and there are two on the back side of the baggage compartment 1 1 Quote
Healthpilot Posted February 2, 2022 Report Posted February 2, 2022 Quick update. Issue appears to be mechanical. Lifting the red 3 point (Cessna type) connector and holding it in position by hand it triggers the solenoid. Only battery one can be charged on my Ovation. I need to put something underneath to hold it in position and when I do that I see Batt 1 at >28v stable and -6 amps on the G1000 so I think that it’s charging now. Maybe my a loose connection? 1 Quote
LANCECASPER Posted February 3, 2022 Report Posted February 3, 2022 20 hours ago, Healthpilot said: Quick update. Issue appears to be mechanical. Lifting the red 3 point (Cessna type) connector and holding it in position by hand it triggers the solenoid. Only battery one can be charged on my Ovation. I need to put something underneath to hold it in position and when I do that I see Batt 1 at >28v stable and -6 amps on the G1000 so I think that it’s charging now. Maybe my a loose connection? That's a great solution for running the avionics, but for charging, much lower amperage is better on the battery Quote
carusoam Posted February 4, 2022 Report Posted February 4, 2022 The GPU plug is only attached to batt1…. If trying to close the relay on the GPU socket…. It might be helpful if you have an old spare battery lying around… Connect the charger to the old battery, then the old battery to the GPU plug… But, that gets kind of experimental…. And less knowing what amps are going where…. For how long…. PP thoughts only, I haven’t tried this out… Best regards, -a- Quote
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