Reznor SC High CFM Conversion Kit
General Information
- The instructions in this sheet are designed to prepare a Reznor duct furnace for increased air throughput conversion before installation.
- Refer to the installation manual provided with the heater for important safety information.
- The purpose of this kit (PN 263309) is to convert a model SC unit for use in an application that requires a higher CFM than the standard unit.
- Installation of this kit will allow for use of the furnace with the CFM range listed in Table 1.
Components
Ensure that all components listed in Table 2 are available before beginning installation.
Installation
Install the high CFM conversion kit as follows
- If the unit is already installed, turn OFF the gas and electric power.
- Replace limit control:
- Remove the control compartment panel, open the electrical box, and locate the existing limit control.
- Mark and disconnect the limit switch wires, remove the Reznor SC High CFM Conversion Kit screws that secure the limit control, and remove the control.
- Install the replacement limit control from the kit and secure it using the existing screws.
- Reconnect the limit switch wires.
Remove heat exchanger baffles:
- Remove support bracket screws and slide the entire baffle assembly out of the heat exchanger.
- Reinstall the screws to plug the holes.
- For unit size 100, conversion is complete. Proceed to step 5.
Remove side finger baffles on unit sizes 125–400.
- Upon entering the air side of the heat exchanger, locate the side finger baffles and remove the two side finger baffle screws from each baffle.
- Remove both side finger baffles.
Install field conversion label (see Figure 4):
- Fill in the field conversion label (PN 263310) from the kit.
- Adhere the label to the unit on a clean, dry surface adjacent to the rating plate.
Limited Warranty
Reznor LLC warrants to the original owner-user that this product will be free from defects in material and workmanship. This warranty is limited to twelve (12) months from the date of original installation, whether or not actual use begins on that date, or eighteen (18) months from the date of shipment, whichever occurs first.
Manufacturer Replacement Parts Limited Warranty
Reznor LLC warrants replacement parts for thirty (30) days after installation or thirteen (13) months from the date of shipment, whichever occurs first.
Limited Warranty
Reznor LLC warrants to the original owner-user that this product will be free from defects in material and workmanship. This warranty is limited to twelve (12) months from the date of original installation, whether or not actual use begins on that date, or eighteen (18) months from the date of shipment, whichever occurs first.
Manufacturer Replacement Parts Limited Warranty
Reznor LLC warrants replacement parts for thirty (30) days after installation or thirteen (13) months from the date of shipment, whichever occurs first.
Customer Support
- Website: www.reznorhvac.com
- Ph: 800-695-1901