beautypg.com

Appendix, Converting model x duct furnace for lower, Temperature rise / higher cfm application – Reznor X Unit Installation Manual User Manual

Page 28

background image

Form I-X, P/N 150491 R10, Page 28

Converting Model X Duct Furnace for Lower Temperature

Rise and Higher CFM Application

WARNING

This conversion shall be done by a qualified service agency in accordance with the manufacturer’s

instructions and all applicable codes and requirements of the authority having jurisdiction. If the

information in these instructions is not followed exactly, a fire, explosion or production of carbon

monoxide may result causing property damage, personal injury or loss of life. The qualified service

agency performing this work assumes responsibility for the conversion of this appliance to provide

for higher CFM.

WARNING

The instructions in this sheet are designed to prepare a Reznor duct furnace for increased air

throughput conversion prior to installation. If your duct furnace is installed, for your safety, turn off

the gas and the electric before servicing.

NOTE: If airflow is being

reversed or other field-

installed options apply, refer

to the other information

in Paragraph 3.2 before

performing this conversion.

Description/Application

1. Fill in the Field Conversion Label - Remove the conversion label, P/N 263310,

from the literature bag. Complete the information.

This Reznor duct furnace was factory assembled with the air throughput range listed

on the rating plate. The conversion in these instructions will change the air throughput

range as specified in the table below.

Model and

Size

High Air Throughput (CFM)

MAXIMUM

MINIMUM

X 75

2765

735

X 100

3685

980

X 125

4605

1225

X 150

5530

1475

X 175

6450

1720

X 200

7370

1965

X 225

8295

2210

X 250

9215

2455

X 300

11060

2945

X 350

12900

3440

X 400

14745

3930

Verify the size on the heater rating plate. After confirming that the conversion is appro-

priate for the unit, follow the instructions.

(date)

(name & address of company making this conversion)

263308

APPENDIX

FIGURE 27 - Fill in the

Information on the

Conversion Label

2. Remove the Heat Exchanger Baffles - Refer to FIGURE 28 and identify the air baffles

to be removed. Remove the screws from the support brackets and slide the entire

baffle assembly out of the heat exchanger. Reinstall the screws to plug the holes.