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RPB-IOM (06-22) 131782-B
GENERAL INFORMATION
• This unit has been tested for capacity and efficiency so as to provide many years of safe and dependable comfort
providing it is properly installed and maintained. With regular maintenance, this unit will operate satisfactorily year
after year. Abuse, improper use, and/or improper maintenance can shorten the life of the appliance and create
unsafe hazards.
• To achieve optimum performance and minimize equipment failure, it is recommended that periodic maintenance
be performed on this unit. The ability to properly perform maintenance on this equipment requires certain tools
and mechanical skills.
• This unit is design-certified to ANSI and CSA standards by the Canadian Standards Association and is approved
for installation in the United States and in Canada. The furnaces are approved for use with either natural gas or
propane. The type of gas for which the furnace is equipped, the correct firing rate, and electrical requirements are
shown on the unit’s rating plate.
References
TABLE OF CONTENTS—CONTINUED
Pressure Null Switch 30
Dirty Filter Switch 30
OPERATION 31
Pre-Startup Checklist 31
Startup 31
Post-Startup Checklist 32
ADJUSTMENTS 32
Belts, Blowers, and Drives 32
Checking and Adjusting Belt Tension 32
Adjusting Blower Speed 33
Reversing Blower Rotation 33
Blower Motor Load and Amp Adjustment 33
Pressure Null Switch Adjustment 34
Measure and Adjust Manifold (Outlet) Gas Pressure 35
High Elevation (>2,000 Feet/609 Meters) Installations 36
Conversion to LP (Propane) 36
Dirty Filter Switch Adjustment 37
Burner Air Shutter Adjustment 38
Damper Linkage Adjustment 38
MAINTENANCE 39
Service Checklist 39
Maintenance Procedures 39
Combination Gas Valve Maintenance 39
Burner Rack Maintenance 40
Cleaning Pilot and Burners 41
Spark Ignition System Maintenance 42
Heat Exchanger Cleaning 43
TROUBLESHOOTING 45
INSTALLATION RECORD (TO BE COMPLETED BY INSTALLER) 48
Table 1. Related Technical Manuals Available from Factory Distributor
Type
Form*
PN
Replacement parts HRPD-RP-RPL 263984
Maxitrol amplifier replacement kit installation OPT-AG7,8,9,9H 262319
100% outside air hood installation RPB-RPBL-RPDBL-AS2 132901
30% screened air hood installation OPT-AIR-HOOD 131794
Evaporative cooling module installation OPT-AS3,4,5,8 160202
Ignition controller replacement kit installation OPT-IGN-CNTRL 134704
Gas conversion OPT-GC 143147
*Also available at www.reznorhvac.com.
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