Reznor R6GI Unit Installation Manual User Manual
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TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION .....................3
REQUIREMENTS & CODES .....................................4
GENERAL INFORMATION ........................................5
COMBUSTION AIR & VENTING REQUIREMENTS ..6
CIRCULATING AIR SUPPLY .....................................8
Air Ducts ..................................................................8
Air Filter Requirements............................................8
Unconditioned Spaces ............................................9
Acoustical Duct Work ..............................................9
UNIT INSTALLATION ................................................9
Packaging Removal .................................................9
Rigging & Hoisting ...................................................9
Clearances to Combustible Materials ......................9
Ground Level ...........................................................9
Rooftop ....................................................................9
Horizontal to Downflow Conversion .........................10
Condensate Drain ...................................................10
ELECTRICAL WIRING ...............................................10
Cooling Configurations ............................................12
Heating Configurations ............................................12
Configuring the Variable Speed Blower ...................13
Selecting Cooling Airflow .........................................13
Selecting Heating Airflow ........................................13
Operation .............................................................13
GAS SUPPLY & PIPING ............................................14
Leak Check .............................................................14
High Altitude Conversion .........................................15
LP/Propane Gas Conversion ...................................15
START UP & ADJUSTMENTS ..................................17
Verifying & Adjusting Temperature Rise ..................17
Verifying & Adjusting Firing Rate .............................18
Verifying Over-Temperature Limit Control
Operation .................................................................18
Verifying Burner Operation ......................................18
Manifold Pressure Adjustment ................................18
OPERATING SEQUENCE .........................................19
Heating Mode ..........................................................19
Cooling Mode ..........................................................20
De-Humidification Control ....................................20
EQUIPMENT MAINTENANCE ...................................20
Cleaning of Heat Exchanger ...................................21
Cleaning of Burners ................................................22
TROUBLESHOOTING - COOLING MODE ...............24
TROUBLESHOOTING - HEATING MODE ................24
REPLACEMENT PARTS ............................................25
HEATING COMPONENT FUNCTIONS .....................25
O P T I O N A L F U R N AC E C O N T R O L B OA R D
CONNECTIONS .........................................................25
FIGURES & TABLES .................................................26
Airflow Data ...........................................................27
Table 12. Nominal Heating Airflow Rates &
Temperature Rises (° F) .......................27
Table 13. Airflow Settings for Cooling Mode .........27
Table 14. Airflow Settings (CFM) & Rise (° F)
for Heating Mode ..................................27
.....................................................28
Table 15. Gas Pipe Capaacities ...........................28
Table 16. Gas Flow Rates ....................................28
Figure 11. Gas Valve Label ..................................29
............................................30
Figure 12. Two-Stage, Hot Surface Ignition &
Blower Control Board ..........................30
Figure 13. VSHE Blower Control Board ...............30
Figure 14. Interface Board in Control Panel .........31
Table 17. Interface Board Operating Codes .........31
Figure 15. R6GI Inverter Assembly ......................32
Figure 16. R6GI Typical Heat Exchanger Assy ....33
Figure 17. Wiring Diagram (2, 3, & 4 Ton) ............34
Figure 18. Wiring Diagram (5 Ton) .......................35
REFRIGERANT CHARGING .....................................36
Figure 19. Charging Chart for 2 Ton Units ............37
Figure 20. Charging Chart for 3 Ton Units ............37
Figure 21. Charging Chart for 4 Ton Units ............38
Figure 22. Charging Chart for 5 Ton Units ............38
Figure 23. Temperature Sensor Resistance