18
Replacing the Darvall Cozy
TM
Heater Hose
Tools: None Time: 5 min
1.
Disconnect the Cozy Heater from the power
source before commencing work.
2.
Place the Cozy Heater on its side on a padded
surface (eg. towel) on a stable bench or table. The
Elbow Hose Outlet should be the UP side.
3.
Press the Elbow Hose Outlet locking lever down
with your thumb.
4.
There is a locking “lug”inside the Elbow Outlet on
the opposite side to the lever that retains the
Hose end. Gently tilt the Hose end towards the
heater body and lift the Hose upward and out.
5.
Holding the heater hose with one hand, gently
lift it away from the Elbow Outlet on the side of
the heater body
6.
You will notice a wire running from inside the
Heater Hose into the Elbow Outlet. This wire is
connects to Temperature Sensor 2 at the Nozzle
end of the Heater Hose.
7.
With Heater Hose removal and installation of a
new hose, the temperature sensor wire MUST BE
disconnected (old hose) and re-connected (new
hose). If Temperature Sensor 2 is not connected,
the Darvall Cozy Heater WON’T RUN!
8.
Disconnect Temperature Sensor cable plug inside
the Elbow Outlet. Note the plug is indexed so
only fits 1 way.
9.
Remove the Darvall Hose Cover and install on the
NEW Heater Hose
10.
Install the Temperature Sensor cable plug inside
the Elbow Outlet, plug is indexed so goes 1 way
11.
Connect Heater Hose end to the Elbow Outlet.
Make sure the “lug” inside the Elbow Outlet is
engaged with the flange on the hose end.
12.
Press the Elbow Hose Outlet locking lever down
with your thumb to the open position and left the
Heater Hose End into position, then release the
lever so it also engages the flange on the Heater
Hose end.
13.
Place the Cozy Heater back on its wheels.
14.
Reconnect the power supply and turn the Cozy
Heater on so it goes through the “Self Test
Procedure” to verify that the Hose End
Temperature Sensor 2 is correctly connected
