Reznor DV Operation Manual (for units built before August 2003) - Manual (Page 2)

Form O-DV/RDF/ADF, P/N 148385, Page 1
FOR YOUR SAFETY
WARNING: The use and storage of gasoline or other flammable
vapors and liquids in the vicinity of this appliance is hazardous.
FOR YOUR SAFETY
If you smell gas:
1. Open windows.
2. Don't touch electrical switches.
3. Extinguish any open flame.
4. Immediately call your gas supplier.
WARNING: Improper installation, adjustment, alteration,
service, or maintenance can cause property damage, injury or
death. Read the installation, operation, and maintenance
instructions thoroughly before installing or servicing this
equipment.
WARNING: On makeup air heaters which also recirculate room
air, outside ventilation air must be provided in accordance with
the information shown on the heater rating plate.
Recirculation of room air may be hazardous in the presence of:
(a) Flammable solids, liquids, and gases;
(b) Explosive materials (e.g. grain dust, coal dust, gun powder,
etc.); or
(c) Substances which may become toxic when exposed to heat
(e.g. refrigerants, aerosols, etc.).
Operating/Maintenance/Service
The information in this manual applies to Model Series DV, RDF, and ADF direct-fired
heating/makeup air systems. As with any gas burning equipment, regular maintenance
procedures are required to ensure continued safety, reliability and efficiency of the instal-
lation.
If service is required, this system should be serviced only by a qualified service person.
Service information in this booklet is intended as a guideline for a qualified gas-fired
equipment service person.
KEEP THIS BOOKLET FOR
MAINTENANCE AND
SERVICE REFERENCE.
Applies to: Models DV, RDF, and ADF/ADFH
®
Indoor or Outdoor, Gas, Direct-
Fired, Makeup Air/Heating Systems
Operation/Maintenance/Service
Form RZ-NA O-DV/RDF/ADF
Obsoletes Form RZ-NA 440-OMS, 441-OMS, and 442-OMS
C E R T I F I E D
Index
Page
Air Pressure ..................................... 4
Air Pressure Switches .................... 10
Blower Bearings ............................. 3
Burner ........................................ 4, 11
Circuit Indicator Board .................... 4
Control Locations ............................ 8
Damper Motor .............................. 19
Direct-Fired Burner ....................... 11
Dirty Filter Switch ........................ 19
Door Switch ................................... 17
Drive Components .......................... 2
Electronic Circuit Board with
Diagnostic Lights ........................ 8
Emergency Cut Off ......................... 9
Evaporative Cooling Module ........... 5
Filters .............................................. 3
Firestat ........................................... 20
Freezestat ....................................... 20
Gas Control Systems .................... 11
Gas Pressure ................................... 3
Gas Pressure Switches ................... 17
Ignition System .............................. 11
Inlet Air Controls ........................... 17
Limit Control ................................... 9
Maintenance Schedule ..................... 2
Maintenance Section ................. 2-7
Maintenance/Service Access ........... 2
Manifold Arrangements ................ 16
Operation/Service Section ...... 8-24
Outside Air Cutoff Control ............ 17
Photoelectric Smoke Detector ........ 20
Photohelic Pressure Sensor ............ 19
Pilot Assembly ................................ 4
Potentiometer ................................. 19
Pressure Null Switch ..................... 19
Sensing Pressure Check ................ 10
Troubleshooting ............................ 21
Wiring Diagram - In the main
electrical box on the unit
References:
Installation Manuals:
Model DV, Form RZ-NA I-DV
Model RDF, Form RZ-NA I-RDF
Model ADF(H), Form RZ-NA I-ADF
Replacement Parts Manual:
Form RZ-NA P-DV/RDF/ADF
or Form 740 for RDF; Form 741 for
DV, and Form 742 for ADF/ADFH