Reznor R6GP Unit Installation Manual - Manual (Page 2)

2
IMPORTANT SAFETY INFORMATION .......................3
REQUIREMENTS & CODES .......................................4
GENERAL INFORMATION ..........................................5
About the Rooftop Unit ..............................................5
Before You Install This Equipment .............................5
Locating the Unit .......................................................5
Heating Load .............................................................5
COMBUSTION AIR & VENTING..................................6
Vent Termination ........................................................6
CIRCULATING AIR SUPPLY .......................................7
Downflow to Horizontal Conversion ...........................7
Unconditioned Spaces ..............................................7
Acoustical Ductwork ..................................................7
Air Filter Requirements..............................................8
UNIT INSTALLATION ..................................................8
Packaging Removal ...................................................8
Rigging & Hoisting .....................................................8
Minimum Clearance Requirements ...........................8
Rooftop Mounting ......................................................9
Ground Level .............................................................9
Condensate Drain ...................................................10
GAS SUPPLY & PIPING ............................................10
Leak Check .............................................................11
High Altitude Deration .............................................11
Conversion to LP/Propane ......................................12
ELECTRICAL WIRING ...............................................13
Pre-Electrical Checklist ...........................................13
Line Voltage .............................................................13
Grounding................................................................13
Unbalanced 3-Phase Supply Voltage ......................14
Thermostat / Low Voltage Connections ...................14
Heat Anticipator .......................................................14
Blower Speed ..........................................................14
STARTUP & ADJUSTMENTS ...................................15
Pre-Start Check List ................................................15
Startup Procedures .................................................15
Air Circulation ..........................................................15
System Cooling .......................................................15
System Heating .......................................................15
Verifying & Adjusting Temperature Rise ..................16
Verifying Burner Operation ......................................16
Verifying Operation of Over-Temperature
Limit Control ............................................................16
Verifying & Adjusting Firing Rate .............................16
Manifold Pressure Adjustment ................................17
Refrigerant Charging ...............................................17
OPERATING SEQUENCE .........................................17
Cooling Mode ..........................................................17
Heating Mode ..........................................................17
Blower Mode ...........................................................18
UNIT MAINTENANCE ................................................18
Routine Maintenance ..............................................18
Cleaning of Burners ................................................19
Cleaning of Heat Exchanger ...................................19
COMPONENT FUNCTIONS ......................................20
TROUBLESHOOTING ...............................................21
FIGURES & TABLES .................................................22
Physical Dimensions ...............................................22
Figure 12 - 072 Series .........................................22
Figure 13 - 090 Series .........................................24
Figure 14 - 120 Series .........................................26
Table 3 - Unit Shipping Weights ...........................27
Blower Performance Data .......................................28
Table 4- R6GP Alt. Accessory Blower Drives .......28
Table 5 - 072C - 100C Series - Downflow ............29
Table 6 - 072C - 100C Series - Horizontal ...........30
Table 7 - 072C -166C Series - Downflow .............31
Table 8 - 072C - 166C Series - Horizontal ...........32
Table 9 - 090C - 200Ca Series - Downflow ..........33
Table 10 - 090C - 200Ca Series - Horizontal .......34
Table 11 - 120C - 235Ca Series - Downflow ........35
Table 12 - 120C - 235Ca Series - Horizontal .......36
Electrical Information ...............................................37
Table 13 - Electrical Data .....................................37
Figure 15 - Ladder Diag. - 072/090/120 Series ....38
Figure 16 - W.D. - 072/090/120 Series .................39
Gas Information .......................................................40
Table 14 - Gas Pipe Capacities ............................40
Table 15 - Orifice or Drill Sizes .............................40
Table 16 - Heating Rise/Range ............................40
Table 17 - Gas Flow Rates ...................................41
R6 Charging Charts ................................................42
Figure 17 - R6GP-072 Series ..............................42
Figure 18 - R6GP-090 Series ..............................43
Figure 19 - R6GP-120 Series ..............................43
R6 Gas Valve Information ........................................44
Figure 20 - Gas Valve Label - Operating
Instructions. .......................................44
Figure 21 - Regulator Spring Adjustment &
Screw Removal (Model 36H64) .........45
Figure 22 - Regulator Spring & Adjust. Screw
Removal (Model VR9205Q1127).......45
Figure 23 - Inlet & Manifold Tap Locations ...........46
INSTALLATION CHECKLIST ....................................48
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