34
TEE
FLUE SYSTEM
The
flue system consists of the following parts:
1) Central tube (built-in part of the boiler system and cannot be removed)
2 ) F l u e
3) Flue baffle with support wire
The purpose of the flue system is to provide a draft which
flame in to the central tube and supply sufficient primary
the flame.
pull the burner
and secondary air to
The flue baffle which is inserted in the central tube distributes the heat produced
by the burner to the boiler system.
It is important that the correct size of baffle is used and that it is correctly
located in the central tube in order to obtain the best cooling performance. The
size and the distance between the lower end of the baffle
and the lower end of the
central tube for different refrigerator models are
shown
in table,
Baffle sites, height, and part No.
Baffle Width x Length
inches
10 x 100
x 4
20 x 100
x 4
20 x 100
x 4
20 x 100
x 4
20 x 150
x 6
75 3
75 3
75 3
75 3
75 3
Part
Baffle
support wire
06
x:
289
289 00
289 00
17 21
x) Baffle only
Fig. 51
Flue obstructions
On gas refrigerators, the flue will require cleaning occasionally. To do this it
will be necessary to gain access to the back of the cabinet. When cleaning
the
f l u e
proceed as follows:
Unscrew the outer burner shield and the burner housing, release the flue and lift
out the baffle on its support wire from the top of the boiler tube.
From the top, clean the flue vith a suitable flue brush. Also clean the baffle,
before putting back in place.
An obstruction in the flue will reduce or stop flue draft. Flue obstructions will
cause odors outside refrigerator, slow freezing and higher cabinet temperatures.
Flue stoppages may also cause the flame to burn outside the central tube,
