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I have a coleman evcon heating an cooling system, when my unit is cut off at thermostat, why do the blower motor come on and runs a few minutes an go back off.

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Because it is designed to clear out any heated or cooled air from the duct work to reduce condensation.

Posted on Mar 19, 2011

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Posted on Jan 02, 2017

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1 Answer

My Coleman Evcon furnace blows cold air even when the unit is turned off. How do I stop it from doing that?


Hello Rhonda Killalea,

On MOST furnaces built since 1960. there is provision
for the BLOWER on the old type THERMOSTATS.

BLOWER SWITCH ... has two positions

"ON" and "AUTO"...
(turn blower from on to "OFF" (or correct wiring)).

"AUTO" is the POSITION your thermostat NEEDS
to be on...

Only then will your heater's blower be under
control of those internal temperature controls.

I am including a SAMPLE page from the OWNER's
MANUAL... (a wild guess of which "EVCON" model
you might have)...

Without YOUR MODEL NUMBER... your answers
are going to be completely generic (pretty useless).

You will also need to disclose what model
THERMOSTAT you are using... while you are
LOOKING...

Try to note the FUEL you are using, HEATING
or HEATING-and-COOLING...

ELSE... my only suggestion would be to look
at the WIRES... note their color and CREATE
a TRUTH TABLE between the "typical" R,G,Y,& B
wires ( telephone wires ) and the ACTUAL
SCREW-TERMINAL designations...
Black, Brown, Red, Orange, Yellow, Green, Blue,
Purple, Gray & White... industry colors for
the possible TERMINAL designations... (and more)

THEN...
Go to the HEATER (air-handler or compressor)
terminal block and VERIFY .... The OLD FASHION
Red, White, Black and Green have a TERMINAL
MATCH from the thermostat to the HEATER.

Hope this helps...

Carnac the Magnificent

https://www.manualslib.com/manual/500880/Evcon-Eb-Series.html?page=2#manual

Evcon EB SERIES Owner Manual Page 2

Feb 20, 2018 | Coleman Heating & Cooling

3 Answers

Coleman evcon ignites but hardly any heat at vents blower motor workin constantent running


Dirty evaporator coil, dirty air filter, weak blower motor windings, weak blower motor capacitor, wrong blower speed, leaking or broken ductwork, uninsulated ductwork, gas valve pressure needs adjusting(low fire)? Might be any or all of the above.

Nov 02, 2017 | Coleman Heating & Cooling

2 Answers

Have an older Coleman mobile home furnace (Mdl 8665D766). Both blower fan and booster motor work fine; however, during heating, booster motor will keep constantly running after system cycles through


The booster motor? Do you mean the inducer motor that helps push the exhaust? If the inducer motor won't shut off when the thermostat is satisfied and everything else does shut off, it sounds like the contacts on the relay that powers the inducer are at fault

Feb 03, 2018 | Coleman Heating & Cooling

1 Answer

Coleman electric furnace


You don't say whether you replaced the blower but that could be the next thing to check

Jul 23, 2013 | Heating & Cooling

1 Answer

Coleman evcon presidential heater won't kick blower on.


Sounds like the automatic fan control is not working it cuts in on temp rise . It may be dirty on the back of it as you said you had a smell of dust burn

Jun 17, 2017 | Coleman Heating & Cooling

1 Answer

My Coleman Evcon heating and air unit will not blow air


bad blower motor. recommend a new blower motor and capacitor.

May 28, 2010 | Coleman Heating & Cooling

1 Answer

I have a coleman Evcon model AH16-0 . I am


Typical Thermostat Wiring for 4 or 5 wire Heat/Cool Thermostat (not heat pumps)
4 Wire Termostat
R = Red One Side of 24 volt Transformer
G = Green Blower
Y = Yellow Cool
W = White Heat
5 Wire Thermostat
with one transformer for both units
Rc One Side of 24 volt Transformer
Rh Jumper Rc to Rh
G = Green Blower
Y = Yellow Cool
W = White Heat
5 Wire Thermostat
With 2 transformers one for indoor unit
And one for outdoor unit
Rc = Red One Side of (outside) 24 volt (outside transformer)
G = Green Blower (outside transformer)
Y = Yellow Cool (outside transformer)
Rh = Blue One side of (inside) 24 volt (inside transformer)
W = White Heat (inside transformer)
COOLING ONLY Thermostat
R = Red One Side of 24 volt Transformer
G = Green Blower
Y = Yellow Cool
HEATING ONLY
R or Rh One Side of 24 volt Transformer
W = White Heat

Jan 06, 2010 | Heating & Cooling

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