Go Humberto!
Free Member
Can someone with experience explain the logic of the Truma Blown Air system please?
The fan in mine blows low then high with a logic I'm yet to understand.
Using the image from my MH I labelled everything.
Example Dial A setting 3 = OFF
Example Dial B setting 5 = Use a combination of Gas and 230V at high wattage.
Example Dial C = room thermostat
So, when I'm "off-grid" using Gas and just 12V I set the dials to A-4 and B-3 (C = room thermostat where C-9 is maximum).
The fan is 12V and is mostly a very puny warm "draught" but then the fan will increase in power until you can feel hot air blown from every outlet.
What I haven't yet figured out is what drives the logic between puny draught and lovely streams of warm air.
I though the image below may be useful to help others, besides me, understand.
The fan in mine blows low then high with a logic I'm yet to understand.
Using the image from my MH I labelled everything.
Example Dial A setting 3 = OFF
Example Dial B setting 5 = Use a combination of Gas and 230V at high wattage.
Example Dial C = room thermostat
So, when I'm "off-grid" using Gas and just 12V I set the dials to A-4 and B-3 (C = room thermostat where C-9 is maximum).
The fan is 12V and is mostly a very puny warm "draught" but then the fan will increase in power until you can feel hot air blown from every outlet.
What I haven't yet figured out is what drives the logic between puny draught and lovely streams of warm air.
I though the image below may be useful to help others, besides me, understand.