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M380 Hurricane Heater
02-19-2013, 19:05 (This post was last modified: 02-19-2013 19:10 by cmillsap.)
Post: #1
M380 Hurricane Heater
I’m still working out some of the little items that need attention on my coach. I bought this M380 last April so I have owned it for only a few months and I’m still learning about it. I think I’m on to the last item that needs to be brought back to proper operation.

One of the items that I reserved to do last (because I’m unfamiliar with it) is getting the Hurricane Heating system to provide heat throughout all the registers in the coach. Presently only the two front registers blow warm air. That would be the one under the right side of the dash and the one under the L desk behind the passenger’s seat. These are in zone 1 along with another register located behind the dinette table. So 2 registers blow warm in zone one and 1 register blows cold.

The only register I’ve found in zone 2 is under the bed and it blows cold and both small registers in the bath blow cold.

All the controls are set as described below:

Both upper and lower switches are on at the unit in the bay

Hydronic Heat switch is on at dash. Hurricane heater switch in door under kitchen cabinet is on. Main thermostat (Aquahot) set to furnace on both zones 1 & 2 and set 10*s above room ambient temp. Bath thermostat is on and set all the way up.

This Hurricane only has 300 hours of operation on it. Nice clean exhaust from the diesel burner. Hurricane is cycling properly as determined on the readout but only the 2 front registers blow warm, all others blow cold.

All the heater hoses feel nice & warm exiting from the unit as far as I could trace them towards the registers.

I'm kinda at a loss at this point. I think I have all the controls set properly but maybe not? It just appears that the heated coolant (ha! an oxy moron) is not circulating through all the registers. I do not see any valves that could be turned off and preventing full circulation in all three zones. I guess it's possible that the hoses are kinked somewhere or the registers are plugged?

Anyone have any ideas on what the problem may be? Any suggestions would be appreciated..........

Chuck & Tela Millsap
2003 Prevost Marathon XLII
2000 LXi #2 S/S (Sold)
2004 M380 D/S (Sold)
2000 LXi #1 N/S (Sold
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Messages In This Thread
M380 Hurricane Heater - cmillsap - 02-19-2013 19:05
RE: M380 Hurricane Heater - cmillsap - 02-19-2013, 20:36
RE: M380 Hurricane Heater - pgchin - 02-20-2013, 12:15
RE: M380 Hurricane Heater - cmillsap - 02-20-2013, 19:29
RE: M380 Hurricane Heater - cmillsap - 02-20-2013, 20:45
RE: M380 Hurricane Heater - pgchin - 02-21-2013, 11:42
RE: M380 Hurricane Heater - pgchin - 02-21-2013, 14:20
RE: M380 Hurricane Heater - pgchin - 02-21-2013, 15:01
RE: M380 Hurricane Heater - cmillsap - 02-21-2013, 15:17
RE: M380 Hurricane Heater - cmillsap - 02-21-2013, 16:01
RE: M380 Hurricane Heater - cmillsap - 02-22-2013, 00:27
RE: M380 Hurricane Heater - cmillsap - 02-22-2013, 13:41
RE: M380 Hurricane Heater - cmillsap - 02-22-2013, 19:45



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