Mammoth R6GD Series, User'S Manual & Installation Instructions

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IMPORTANT SAFETY INFORMATION .......................5
REQUIREMENTS & CODES .......................................6
GENERAL INFORMATION ..........................................7
Before You Install this Unit .........................................7
Locating the Equipment.............................................7
Heating Load ............................................................7
Combustion Air Requirements .................................7
Venting Requirements ..............................................8
Circulating Air Supply .............................................10
Air Ducts .............................................................10
Air Filter Requirements ........................................10
Unconditioned Spaces .........................................10
Acoustical Duct Work ...........................................11
UNIT INSTALLATION ................................................11
Packaging
Removal .................................................11
Rigging and Hoisting ...............................................11
Clearances to Combustible Materials ......................11
Ground
Level ...........................................................11
Rooftop ....................................................................11
Condensate Drain ..................................................11
Horizontal to Downfl ow Conversion .........................11
Removal of Internal Filter Rack ...............................12
Installing Filters in the Filter Rack ........................... 12
Removing Filters from the Filter Rack ..................... 12
ELECTRICAL WIRING ...............................................13
Pre - Electrical Checklist .........................................13
Line
Voltage .............................................................13
Grounding................................................................14
Thermostat / Low Voltage Connections ...................14
Checking Heat Anticipator Settings ......................15
Optional Outdoor Thermostat ...............................15
Blower Speed ..........................................................15
Unbalanced 3-Phase Supply Voltage ......................15
Optional
Humidistat .................................................16
GAS SUPPLY & PIPING ............................................ 16
Leak
Check ............................................................. 17
High Altitude Conversion ......................................... 17
Lp/Propane Gas Conversion ................................... 17
STARTUP & ADJUSTMENTS ...................................18
Pre - Start Checklist ................................................18
Start-up
Procedure ..................................................18
Air Circulation .......................................................18
System Cooling ....................................................18
System Heating ....................................................18
Verifying & Adjusting Temperature Rise ..................18
Verifying & Adjusting Firing Rate .............................19
Verifying Operation of Over-Temperature
Limit
Control ............................................................19
Verifying Burner Operation ......................................19
Refrigerant
Charging ...............................................19
Manifold Pressure Adjustment ................................20
OPERATING SEQUENCE .........................................20
Heating
Mode ..........................................................20
Cooling Mode ..........................................................21
Fan Mode ................................................................21
EQUIPMENT MAINTENANCE ...................................21
Cleaning of Heat Exchanger ...................................22
Cleaning of Burners ................................................22
COMPONENT FUNCTIONS ......................................23
TROUBLESHOOTING ...............................................23
REPLACEMENT PARTS ............................................23
FIGURES & TABLES .................................................24
Figure 10. R6GD Dimensions ..............................24
Table 9. Center of Gravity & Shipping Weights .....24
Airfl ow Information ...................................................25
Table 10. Nominal Airfl ow Rates & Temp Rises ... 25
Gas Information .......................................................26
Table 11. Gas Pipe Capacities .............................26
Table 12. Gas Flow Rates ....................................26
Figure 11. R6GD Gas Valve Label .......................27
Electrical Information ...............................................28
Figure 12. Wiring Diagram for 208/230 V Units .... 28
Figure 13. Wiring Diagram for 460 V Units ........... 29
R6GD Charging Charts ...........................................30
Figure 14. Charging Chart for 3 Ton Units ............30
Figure 15. Charging Chart for 4 Ton Units ............30
Figure 16. Charging Chart for 5 Ton Units ............31
FRENCH TRANSLATIONS ........................................32
INSTALLATION/PERFORMANCE CHECKLIST .......36
INSTALLER INFORMATION