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Hurricane Furnace

Yahoo Message Number: 76042
I have owned my coach for 5 years. Since we live in Texas & travel mostly in warm climates or during the summer, I have never had reason to use the Hurricanr furnace. We are considering a trip to Missouri & I thought I would fire up the furnace to see if it would work. I turned on both switches at the control panel, set the thermostat in zone 2 to furnace mode and temperature up to 90 degrees. (I do not have a furnace mode in zone 1??) and then went outside & turned on the switch on the furnace control panel. To my surprise, the furnace fired up after two tries & seemed to run pretty smoothly.
However: when I tried to turn on the fans inside nothing would happen.
I let the furnace run for a little while but still nothing from the fans. Am I missing a step or do I have an issue with the fans? Shouldn't I have a furnace mode in zone 1 as well as zone 2? I checked the fuse panels but did not see anything marked interior fans.
One other question: when the furnace is on, is warmed coolant always circulating through the engine & water heater?

I would appreciate any guidance anyone could give me.

Fred Compton

2002 Intrigue #11407

Re: Hurricane Furnace

Reply #1 –
Yahoo Message Number: 76044
Fred, you can leave the master switch on the Hurricane control module on all the time as it is controlled by the thermostat.

Here is how I rum my unit:
1.Turn on the central heat and the heat exchanger switches.
2.Turn on the thermostat. Using the zone button you can select either zone 1 or 2.
3.After selecting a zone then you can select furnace using the mode button.
4.Then using the up/down buttons set your temperature.
5.Turn the galley fan speed and living room fan speed switches on.
3.Turn on the bedroom switch.

The Hurricane does not supply hot coolant to the engine block as there is a check valve to keep it from doing that but the engine will supply hot coolant to the system. I don't know about the water heater. Yes you should have 2 zones on your thermostat
When on the road in cold conditions, I turn on everything as above with the exception of the central heat switch. The engine heat keeps the coolant hot and you can heat the coach without actually running the Hurricane itself.

Don

'02 Intrigue #11427
'02 Intrigue #11427

Re: Hurricane Furnace

Reply #2 –
Yahoo Message Number: 76057
Fred,

Our coach has the hurricane furnace and the warmed engine coolant is circulated through the water heat jacket and heats that water as well.

Ray

2000 Intrigue 11040

Re: Hurricane Furnace

Reply #3 –
Yahoo Message Number: 76063
I agree with the procedure outlined by Don with the exception of traveling. If my Hurricane has been on because of chilly mornings, I just start driving and when the engine coolant temp gets to normal, the hurricane will stop running because the water temp has been satisified by the engine.

Don 2001 Intrigue #11238

Re: Hurricane Furnace

Reply #4 –
Yahoo Message Number: 76069
Fred,

The modes for each zone are determined by the dip switch settings in the roof-top units. Sometimes a reset of the Comfort control panel will clear up zone issues. Try the following:

a. Turn the ON/OFF switch to the "OFF" position.
b. Simultaneously depress and hold the MODE and ZONE push-buttons while turning the ON/ OFF switch to "ON". FF should appear in LCD display until the mode and zone push-buttons are released.
c. When a dip switch is turned on after initial
configuration, a system reset will need to be done before the Comfort Control Center? will recognize the updated selection.

If the reset didn't work, check the settings in your manual. One of the dip switches is labeled Furnace. This should be set to "On." You will need to climb on the roof, remove the cover to verify this setting. Zone 1 should be the front unit and Zone 2 the bedroom. Also, while the cover is removed, unplug and plug in the phone style connectors a few times to clean the contacts.

Rob

2002 Intrigue #11480

Re: Hurricane Furnace

Reply #5 –
Yahoo Message Number: 76072
Fred

I have furnace mode in zone 1 and 2 thus think you should also. Trying a thermostat reset as suggested could clear that problem up.
As for the fans. I think the fuse is located in the furnace control panel and you have to take the cover off to get to them. Seems like when I had a fuse go bad it turned a light on at the furnace control panel or the red light above the entry door. Anyway, that is where my fuse was located. I think this is docuumented in the manual.

Richard Aquino
2001 Intrigue

Re: Hurricane Furnace

Reply #6 –
Yahoo Message Number: 76073
I'm interested in a clarification of the point about the existence of a check valve.
When I run my Hurricane on a cold day the engine temp seems to go up. That would indicate to me that there is free flow between the engine and the hydronic loops.
Also, on my coach, the hydronic loop "warms" the domestic hot water heater from either source of heat: engine or furnace.
As to the temp control in my plumbing bay, in order to see the printed temp settings, you have to get your head into the opening... almost! But it's there on mine. I set mine by putting ice cubes on the sensor and adjusted the knob so that the furnace came on just where I wanted it.

Dick May

2002 Intrigue, #11438
Dick May
2002 Intrigue, #11438, towing a
2014 Jeep Gr Cherokee ecoDiesel

Re: Hurricane Furnace

Reply #7 –
Yahoo Message Number: 76080
Pretty sure there is no check valve in my Hurricane system. Coolant flows both ways and heat travels freely to either the engine or Hurricane.

Rob

2002 Intrigue #11480
Hurricane Model CO45XL

Re: Hurricane Furnace

Reply #8 –
Yahoo Message Number: 76085
Dick

On my 2001 Intrigue 36 ft #11314 Hurricane heater there is a diverter valve mounted on inside of the Rt side frame rail just in front of the axel. There is a picture of it posted under "Marv Swenson " in the photo section. I think it 's some kind of thermostat that controls the amount of coolant that flows through the engine.
Marv Swenson

Re: Hurricane Furnace

Reply #9 –
Yahoo Message Number: 76093
Dick & Marv,

What is in Marv's picture is the thingy I was referring to. It should keep the Hurricane heated coolant out of the engine because the engine is nothing but a big heat sink. It would take forever to get the coolant hot if the engine was cold. There might be some coolant leakage to somewhat warm the engine but in no way could the engine be brought up to the coolant temp if you were in 30 degree weather.

Don

'02 Intigue #11427
'02 Intrigue #11427
 

Re: Hurricane Furnace

Reply #10 –
Yahoo Message Number: 76100
From past discussions some of these are set up a bit differently, but on mine, the Hurricane does not heat the engine (I have a block heater for that). It does, however, use the engine expansion tank as a reservoir, so that will get warm. When the engine is running, the heated engine coolant then flows through the Hurricane. When driving, you leave the Hurricane panel central heat control switch off, and the "interior heat exchangers" (fans) switch on. Then the engine heat will then heat the coach via the Hurricane without the burner coming on. One mine it heats the Atwood water heater tank as well via a simple pipe that runs along the side of the heater. Works suprisingly well. Water gets hot enough to burn me in the shower.

Rich 2002 Magna