Reznor EEDU Unit Installation Manual - Manual (Page 2)

Form I-EEDU, Page 2
1.2 General
Installation
Information
1.0 General 1.1 Hazard Labels and Notices
There are warning labels on the unit and throughout this manual. For your safety, read
the definitions below and comply with all boxes labeled CAUTION, WARNING, and
DANGER during installation, operation, maintenance, and service of this heater.
Installation should be done by a qualified agency in accordance with the instructions
in this manual and in compliance with all codes and requirements of authorities having
jurisdiction.
The instructions in this manual apply only to the Reznor Model EEDU duct furnace.
1.3 Warranty Refer to the limited warranty form in the "Literature Bag".
Warranty is void if......
a. Furnaces are used in atmospheres containing flammable vapors or atmospheres containing chlorinated or
halogenated hydrocarbons or any contaminant (silicone, aluminium oxide, etc.) that adheres to the spark
ignition flame sensing probe.
b. Wiring is not in accordance with the diagram furnished with the heater.
c. Unit is installed without proper clearances to combustible materials or located in a confined space without
proper ventilation and air for combustion. (See Paragraphs 2.2 and 4.2.)
d. Furnace air throughput is not adjusted within the range specified on the rating plate.
1.0 General .......................................................................... 2
1.1 Hazard Labels and Notices ....................................... 2
1.2 General Installation Information ................................. 2
1.3 Warranty .................................................................... 2
1.4 Installation Codes ...................................................... 3
2.0 Furnace Location .......................................................... 3
2.1 General Recommendations ....................................... 3
2.2 Combustion Air Requirements ................................... 3
3.0 Uncrating and Preparation .......................................... 4
3.1 Uncrating and Inspection ........................................... 4
3.2 Preparing the Furnace for Installation ....................... 4
4.0 Dimensions and Clearances ........................................ 7
4.1 Dimensions ................................................................ 7
4.2 Clearances ................................................................ 7
5.0 Suspending or Mounting the Furnace ........................ 8
5.1 Weights ...................................................................... 8
5.2 Suspending the Furnace ........................................... 8
5.3 Mounting the Furnace ................................................ 8
6.0 Mechanical .................................................................... 9
6.1 Gas Piping and Pressures ......................................... 9
6.2 Venting ..................................................................... 10
6.3 Duct Furnace Airflow ............................................... 14
7.0 Electrical Supply and Wiring ..................................... 18
7.1 General .................................................................... 18
7.2 Supply Voltage and Wiring ...................................... 18
7.3 Typical Wiring Diagrams .......................................... 19
7.4 Thermostat and Control Wiring ................................ 20
8.0 Controls ....................................................................... 21
8.1 Combustion Air Proving Switch ............................... 21
8.2 Limit Switch ............................................................. 21
8.3 Fan Control (Optional, Field Installed) ..................... 21
8.4 Gas Controls ............................................................ 22
8.5 Pilot and Ignition Systems ....................................... 24
8.6 Burner Carryover System and Air Adjustment ......... 24
9.0 Commissioning and Startup ...................................... 25
9.1 Check the installation prior to startup: ..................... 25
9.2 Startup: ................................................................... 25
9.3 Check installation after startup: ............................... 25
10.0 Maintenance and Service ......................................... 26
10.1 Maintenance Schedule .......................................... 26
10.2 Maintenance Procedures ....................................... 26
10.3 Troubleshooting ..................................................... 29
APPENDIX ......................................................................... 30
Converting Model EEDU Duct Furnace for Lower
Temperature Rise and Higher CFM Application ..... 30
Index .................................................................................. 32
INSTALLATION RECORD - to be completed by the
installer: ....................................................................... 32
Table of Contents
Definitions of
HAZARD INTENSITY
LEVELS used in this
Manual
1. DANGER: Failure to comply will result in severe personal injury or
death and/or property damage.
2. WARNING: Failure to comply could result in severe personal injury
or death and/or property damage.
3. CAUTION: Failure to comply could result in minor personal injury
and/or property damage.
WARNING
Gas-fired appliances are not designed for use in hazardous atmospheres containing
flammable vapors or combustible dust, in atmospheres containing chlorinated or
halogenated hydrocarbons, or in applications with airborne silicone substances. See
Hazard Levels, above.