RSF Woodburning Fireplaces OPEL AP Owner's Manual page 25

OPEL AP
a) If you would like the blower to turn on when the
thermostat calls for heat, first locate the thermostat in
the principal room heated by the duct system. Do not
install it in the room where the fireplace is installed.
There are yellow black and red wires coming out of
the relay as shown in the wiring diagram. Connect the
wire from #4 of the terminal block to the black wire
and put the wire connector on the red wire for protec-
tion. (See Figures 36 and 37 for schematic wiring dia-
grams.)
b) If the fireplace is in a small room and/or you
would like the central heat blower to remove air from
Example 1: tie-in to heat
plenum for circulation throughout all rooms
Figure 27: Examples of air circulation
when tying-in to existing ductwork
45° tie-in
Central heat blower
OPEL AP
Figure 28: Example tie-ins to A) central heat duct and B) central heat plenum
(Figure 29) shows some ways of ducting the hot air from
the blower. You are not restricted in the size of pipe, as
long as the total cross sectional area of all runs com-
bined is not less than 50 square inches. The diagram
shows alternate blower locations. Only one external
blower can be installed.
Example 2: tie-in to
part of the duct system
Blower
Cold air
return
Furnace
this room when it becomes too hot, locate the ther-
mostat in the room with the fireplace. Connect the
wire from #4 of the terminal block to the red wire and
put the wire connector on the black wire for protec-
tion. (See Figures 36 and 37 for schematic wiring dia-
grams.)
OPEL AP
Page 25
Deflector
Cold air
return
Furnace