Reznor R6GN Unit Installation Manual User 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 REQuIREMENtS ....6
General Information ...................................................7
Vent Termination ........................................................7
cIRculatING aIR SuPPlY .......................................8
Air Ducts ....................................................................8
Air Filter Requirements..............................................8
Unconditioned Spaces ..............................................9
Acoustical Ductwork ..................................................9
uNIt INStallatIoN ..................................................9
Packaging Removal ...................................................9
Rigging & Hoisting .....................................................9
Minimum Clearance Requirements .........................10
Rooftop Mounting ....................................................10
Ground Level ...........................................................10
Downflow to Horizontal Conversion .........................11
Condensate Drain ...................................................11
GaS SuPPlY & PIPING ............................................11
Leak Check .............................................................12
High Altitude Deration .............................................12
Conversion to LP/Propane ......................................13
ElEctRIcal WIRING ...............................................14
Pre-Electrical Checklist ...........................................14
Line Voltage .............................................................14
Grounding................................................................14
Unbalanced 3-Phase Supply Voltage ......................15
Thermostat / Low Voltage Connections ...................15
Blower Speed ..........................................................15
Heat Anticipator .......................................................16
StaRtuP & aDJuStMENtS ...................................16
Pre-Start Check List ................................................16
Startup Procedures .................................................16
Air Circulation ..........................................................17
System Cooling .......................................................17
System Heating .......................................................17
Verifying & Adjusting Temperature Rise ..................17
Verifying Burner Operation ......................................17
Verifying Operation of Over-Temperature
Limit Control ............................................................17
Verifying & Adjusting Firing Rate .............................18
Manifold Pressure Adjustment ................................18
Refrigerant Charging ...............................................18
oPERatING SEQuENcE .........................................19
Cooling Mode ..........................................................19
Blower Mode ...........................................................19
Heating Mode ..........................................................19
uNIt MaINtENaNcE ................................................19
Routine Maintenance ..............................................20
Motor / Bearing Lubrication Requirements ..............20
Cleaning of Burners ................................................20
Cleaning the Heat Exchanger .................................21
Removal of Unit Top Pan .........................................21
REPlacEMENt PaRtS ............................................21
coMPoNENt FuNctIoNS ......................................22
tRouBlESHootING ...............................................22
FIGuRES & taBlES .................................................23
Figure 11 - Location of Unit Components ............23
Physical Dimensions ...............................................24
Figure 12 - R6GN 150/180 Series .......................24
Table 3 - Unit Shipping Weights ...........................25
Blower Performance Data .......................................26
Table 4 - R6GN 150 Series ..................................26
Table 5 - R6GN 180 Series ..................................27
R6 Charging Charts ................................................28
Figure 13 - R6GN-150 Series ..............................28
Figure 14 - R6GN-180 Series ..............................29
Electrical Information ...............................................30
Figure 15 - Ladder Diagram .................................30
Figure 16 - Wiring Diagram ..................................31
Table 6 - Electrical Data .......................................32
Gas Information .......................................................33
Table 7- Gas Flow Rates ......................................33
Table 8 - Gas Pipe Capacities ..............................33
Table 9 - Orifice or Drill Sizes for Nat. Gas ...........34
Table 10 - Orifice or Drill Sizes for LP Gas ...........34
Table 11- Heating Rise / Range ...........................34
Figure 17 - Gas Valve Label .................................35
INStallatIoN / PERFoRMaNcE cHEcKlISt .....36
taBlE oF coNtENtS