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06-13-2020, 05:49 PM
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#1
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Winnebago Watcher
Join Date: May 2020
Posts: 4
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ONAN
I have a 2007 Itasca Impulse 24V with a 4 K Onan generator. It takes about 2 minutes before electric comes on. Is that normal. Do I have a transfer switch that has the delay built in?? TIA
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06-13-2020, 07:58 PM
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#2
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Winnie-Wise
Join Date: Nov 2018
Posts: 468
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A Progressive Industries EMS has a 136 second (2 min, 16 sec) delay between application of power to the input, and switching the outlet on. Do you have one of those in the system?
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2014 Sunstar 31KE
1988 Suncruiser 31 RQ
1968 Travco 210
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06-13-2020, 08:34 PM
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#3
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Winnebago Watcher
Join Date: May 2020
Posts: 4
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I have a hardwired surge protector but I thought that was only for shore power??
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06-13-2020, 08:51 PM
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#4
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Site Team
Join Date: Jun 2012
Location: CA
Posts: 1,517
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If you have an Power Control System (PCS) installed, it will also delay the use of generator power for about two minutes.
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2023 Newmar Bay Star 3014, towing 2014 Honda CRV
2017 Winnebago Adventurer 35P
2013 Itasca Sunstar 26HE
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06-13-2020, 09:51 PM
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#5
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Winnebago Watcher
Join Date: May 2020
Posts: 4
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OK Thanks
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07-01-2020, 06:40 PM
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#6
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Winnie-Wise
Join Date: Nov 2018
Location: DE.
Posts: 252
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For what it’s worth, our little 2800W in the Travato takes every bit of 2 minutes before it allows load to go on it.
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Ron and Cindy
2021 Minnie Winnie 22M
2020 Travato 59K
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07-01-2020, 08:03 PM
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#7
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Winnebago Master
Join Date: Nov 2005
Posts: 1,520
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Quote:
Originally Posted by gdb4058
I have a 2007 Itasca Impulse 24V with a 4 K Onan generator. It takes about 2 minutes before electric comes on. Is that normal. Do I have a transfer switch that has the delay built in?? TIA
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The transfer switch should have a delay built into it to allow the generator to warm up and stabilize before switching the load to it.
Without that it would be very common for a generator to read an over/under speed fault or voltage issue and shut itself down immediately upon start up due to having a load put on it before it was running in a stable manner.
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Neil V
2001 Winnebago Adventurer WFG35U
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07-02-2020, 07:29 PM
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#8
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Veteran & RV Owner
Join Date: Oct 2018
Location: Tampa, FL
Posts: 93
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Same for my coach. About two minutes....
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Arthur & Sheila Mullis and "Cam" the Kitty (FMCA # F474120)
Driving 2016 Winnebago Adventurer 37F
Towing 2018 Ford Explorer 4x4 Platinum
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07-02-2020, 09:20 PM
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#9
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Proud “No Intent” Owner
Join Date: Jul 2019
Location: Belmont, CA
Posts: 1,778
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Equally important to not add a load when starting the generator for a few minutes, is disconnecting any load before shutting it down...
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07-03-2020, 08:14 AM
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#10
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Winnebago Master
Join Date: Nov 2018
Location: Pflugerville/Austin, Tx
Posts: 8,613
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Quote:
Originally Posted by Wyatt
Equally important to not add a load when starting the generator for a few minutes, is disconnecting any load before shutting it down...
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These are pretty standard instructions for use of generators, whether they are in RV, home setups or industry. We don't treat our RV sets very well but still expect them to last. All the wiring should be given time to cool at the end of the run I but I don't know of anybody who consistently does it.
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Richard
Why no RV year, make and floorplan on MY signature as we suggest for others?
I currently DO NOT have one! 
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07-03-2020, 09:10 PM
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#11
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Winnebago Master
Join Date: Nov 2005
Posts: 1,520
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A lot of people don't consider that running a generator an hour is about the equivalent of riding a small air cooled motorcycle down the highway for an hour. Running a generator for an hour is about the same as driving 60 miles, 5 hours - 300 miles while 50 hours would equal 3,000 miles. You'd change the oil in an air cooled motorcycle every 3,000 miles yet how many run their RV generators more than 100 hours which is the equivalent of over 6,000 miles between oil changes?
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Neil V
2001 Winnebago Adventurer WFG35U
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07-04-2020, 08:22 PM
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#12
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Proud “No Intent” Owner
Join Date: Jul 2019
Location: Belmont, CA
Posts: 1,778
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Quote:
Originally Posted by NeilV
A lot of people don't consider that running a generator an hour is about the equivalent of riding a small air cooled motorcycle down the highway for an hour. Running a generator for an hour is about the same as driving 60 miles, 5 hours - 300 miles while 50 hours would equal 3,000 miles. You'd change the oil in an air cooled motorcycle every 3,000 miles yet how many run their RV generators more than 100 hours which is the equivalent of over 6,000 miles between oil changes?
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Good point. I guess Oman’s suggested oil change interval is a worse case scenario...
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