Installation
70
RT-SVX24J-EN
Flue Assembly Installation
1.
Locate the collapsed flue assembly in the
compartment above the gas heat controls by removing
the panel screws. The assembly is secured by screws
up through the roof of the gas controls compartment
roof.
2. Separate the pieces of the collapsed assembly.
3. Then assemble the stack as shown in
Figure 48
.
4. Insert the tube on the flue assembly into the hole
located in the vertical support for the heat section.
5. Butt both tube sections together and center the pipe
clamp over joint.
6. Using the pre-punch hole in the flue assembly,
extension, and the vertical support, install the
appropriate number of mounting brackets (Refer to the
installation instructions that ship with the flue
assembly.)
Figure 47. Modulating (850-2500 Mbh heaters) and two-stage (1800-2500 Mbh heaters) natural gas train
Ignition control board
Ignition transformer
Safety valve
Single stage
regulating valve
Combustion blower
Combustion blower
pressure switch
Butterfly gas
control valve
Actuator
Gas heat inlet sizes
Standard Gas Heat
Input (MBh)
Gas Heat Inlet
Sizes (in.)
850
1
1100
1 1/4
1800
1 1/2
2500
1 1/2
Figure 48. Flue assembly