Reznor UDBS Option - Installation - Polytube Adapter Instructions - Manual (Page 2)

Form RZ-NA I-UD-PA, P/N 203188 Rev 4, Page 2
Installation
Instructions
Installation should be done by a qualified agency in accordance with these in-
structions and in compliance with all codes and requirements of authorities hav-
ing jurisdiction.
1. If the heater is installed, turn off the gas and the electric. Allow sufficient
time for the heat exchanger and louvers to cool before beginning installation.
If the heater is not installed, it is recommended that the crate bottom be left in
place until the heater is suspended.
2. Remove the Louvers
The spring mounted louvers in the heater outlet are removed individually.
Push on the louver blade compressing the spring on one end so that the
louver is released from the opposite end and can be pulled out of the heater
outlet. Remove all louvers.
3. Install the Adapter Sides (See FIGURE 2.)
Using the holes located in the vertical flanges of the heater outlet, attach the
adapter side panels to the heater with the sheetmetal screws provided.
FIGURE 2 - Attach
Adapter Sides
Sheetmetal
Screw
Adapter Sides
®
4. Attach the Top (See FIGURE 3)
Position the top section (top and bottom are identical) over the side pieces
and into the heater outlet. Mark the holes across the top of the heater outlet.
Remove the adapter top and drill 1/8” holes at marks on the heater cabinet.
Re-position the adapter top and attach to the heater outlet with sheetmetal
screws provided.
Attach the top to both sides of the adapter outlet. Screw points should be
inside the adapter.
5. Attach the Bottom (See FIGURE 3)
Position the bottom section over the side pieces and into the heater outlet.
Mark the holes across the bottom of the heater outlet. Remove the adapter
bottom and drill 1/8” holes at marks on the heater cabinet. Re-position the
adapter bottom and attach to the heater outlet with sheetmetal screws.
Attach the bottom to both sides of the adapter outlet. Screw points should be
inside the adapter.