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Most Frequently Asked Questions About Operating Systems Here you will find some of the most frequently asked questions about the operating systems on a 'Bird. If you have one that you think should be added place it in here.

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  #1  
Old 01-24-2023
Lehmab01 Lehmab01 is offline
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Join Date: Apr 2021
Location: Austin - Lakeway
Posts: 258
Default ProTECHtor LP gas detection

Another system to explore..
Over the weekend I was starting to test the LP system:
New connections at the tank,
Tested oven, stove top and refrigerator switch over all successfully.

I completed all my electric heaters fix/upgrades;
New thermostat on one up front and in bathroom
New heaters in the kitchen and back bathroom

Moving on to the propane heaters which at least two are the NT16s.
Here is what I did:
Gas on for all three - wait
Move thermostat on for front - nothing.. find out PO hotwired to switch skipping thermostat.. put to 12v+ and we have a blower.. but no heat..
Tried lighting pilot - end of day called it for now

Other two won't turn on blower with thermostat but looked to be wired original.. so perhaps motor etc..

Watched a couple videos on how to test once pulled..

That night LP alarm goes off.. I have a sniffer but didn't find a leak.. will soap test when I get back at it.. The detection system is the Protechtor.. pic attached.

I shut gas lines off.. turned on refrigerator fan (just did?).. alarm goes off.. I crash for the night.

Thanks for listening so far to the background..

My question of ask for advice:
1. Should this system (protechtor) be replaced/upgraded due to age?
2. Am I wasting my time with the propane furnaces (propane use, smell, efficiency, reliability)? I see these as backup when off power but need to trust them.. I have read a bunch on WOG about diesel conversions.. maybe even newer furnace options..

Looking for balance here of time, money, etc..
If trustworthy once working - seems just fix them for short/near
Eventually upgrade to diesel given I have 300gal tank..

Thoughts welcome and much appreciated. Would love to see and hear about what you have done..

Take Care,
Brian
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Brian Lehman
Austin, TX
1981 FC35 3208T swap
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  #2  
Old 01-24-2023
Justdoingit Justdoingit is offline
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Join Date: Jun 2017
Location: Chiefland
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https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

These are new “core” units meaning they don’t include the sheet metal box, thermostat, etc. The gas connection to the furnace is a little different and one would need to replumb that.

I wanted these furnaces to function reliably and I thought after taking one apart that 35 years is enough service life. So I bought and installed these core units, everything fit with the exception of the gas connection.

4 electric heaters, 3 heat pumps, 3 gas furnaces, then the chassis heat. Only 4 A/c’s - guess they back each other up in case one dies.
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Jeff Barfett
1987 PT36
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  #3  
Old 01-24-2023
Lehmab01 Lehmab01 is offline
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Location: Austin - Lakeway
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Thanks Jeff.. Thanks for the input..and link! Just ordered one to see how it goes.

I have working so far starting from all zeros..
3 Cruiseair (cleaned and repaired line leak in one)
1 Chassis AC (new compressor and the works)
4 electric heaters (2 new and 2 replaced thermo switch)
0 gas furnaces (getting started)
0 chassis heat (haven't even played with them yet)
0 heat pumps (assume you have combo units with AC)?
2 ceramic small space heaters (amazon special)
1 hot water heater with heat exchanger (new)

The redundancy and special uses back 40 years ago was amazing.

I'm entering a new phase of preserving vintage but making something we can enjoy..
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Brian Lehman
Austin, TX
1981 FC35 3208T swap
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  #4  
Old 01-24-2023
Lehmab01 Lehmab01 is offline
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On the Protechtor - mine seems to have remote sensors wired back to the main (one near each furnace for example).

Is there a newer system that uses the remote option.. or do you just purchase one near fridge and then 1 per heater.

Thanks
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Brian Lehman
Austin, TX
1981 FC35 3208T swap
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  #5  
Old 01-24-2023
oldmansax oldmansax is offline
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Be aware that it takes a lot of tries to purge the air from the furnace supply lines if they have been tinkered with. I pulled all 3 of mine on my old '82 PT and got 2 of them to light after resetting them several times. I finally cracked the supply line on the last one to purge it and got it to light. Usually a good cleaning with make them run like new but, if not, the guts are available as has already been pointed out.


TOM
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  #6  
Old 01-24-2023
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tqwrench tqwrench is offline
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This is good info for me. I need to start in on my LP system, have 3 LP furnaces, 3 electric, 4 chassis. My coach was built for some cold weather travel, I think. Has a coolant-fuel heater on a frame cross member too, then another thermostatically controlled heater in the Racor assembly.

Those LP gas detectors have a useful life. According to this one, it's 60 months from date of sale. https://www.amazon.com/MTI-INDUSTRIE..._t1_B000FLLWGA

Same goes for smoke detectors I think. I had one with a 10-year battery go out after about 7.
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Kris McCall
Ypsilanti, MI
1984 FC-33RB "Snakebit"
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  #7  
Old 01-24-2023
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chiplamb chiplamb is offline
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Brian, replace the detector and shut-off solenoid valve at the tank with a new Safe-T-Alert or similar, I'm assuming you have an electric shutoff valve inline at the tank? Also a good idea if you have a hose prior to the regulator at the tank to convert to a new 2 stage regulator and a low pressure hose that then goes to the coach plumbing, see other posts about this.
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Chip Lamb
Augusta, Georgia
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chip@collectorsco.com / 706-339-3429
1986 PT40 8V92 Amazing Grace
1987 FC35SB (undergoing work)
Former: 04 M380, 90 SP36, 92 WB40, 85 FC35SB & Prevosts, MCIs et.c.
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  #8  
Old 01-27-2023
Lehmab01 Lehmab01 is offline
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Hi - Thanks for the advice.
On it with the detectors - the one in there has remote probes at each furnace that run back to main alarm under fridge.. guess I need to just put a new alarm at each of those locations - given age a good insurance policy.

I have already replaced/added CO in couple locations as well as a few fire extinguishers.

On the electric shutoff at tank.. need to look into that..

I did change the line out coming off the tank to one that is standard (portable tank) style so I can use the smaller tanks as backup. On the line I added, I got one with a 20psi regulator in line.

https://www.amazon.com/dp/B07882PG6C...t_details&th=1

Is this in line with what you are suggesting Chip?

Side note; my bus was also built for cold weather I think.. little electric heaters for example at the hot water tank and under the sink with their own thermostats to control..

Thanks
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Brian Lehman
Austin, TX
1981 FC35 3208T swap
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  #9  
Old 01-27-2023
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chiplamb chiplamb is offline
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Brian,

See
https://www.wanderlodgeownersgroup.c...t=32736&page=2

and

https://www.wanderlodgeownersgroup.c...ad.php?t=32793

regarding changes I made to an SP36
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Chip Lamb
Augusta, Georgia
E-MAIL OR CALL - NO PM
chip@collectorsco.com / 706-339-3429
1986 PT40 8V92 Amazing Grace
1987 FC35SB (undergoing work)
Former: 04 M380, 90 SP36, 92 WB40, 85 FC35SB & Prevosts, MCIs et.c.
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  #10  
Old 01-27-2023
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tqwrench tqwrench is offline
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Favorited this link, has nearly everything I need for when I start in on propane system repairs. Read the other links, good stuff. Thanks guys!
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Ypsilanti, MI
1984 FC-33RB "Snakebit"
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