Nortek R6GF Series, Руководство по установке

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TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION ............................. 3
REQUIREMENTS & CODES ............................................. 4
GENERAL INFORMATION ................................................ 5
Before you install this unit ................................................ 5
Locating the Equipment ................................................... 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 ..................................................... 8
Acoustical Duct Work ...................................................... 8
UNIT INSTALLATION ........................................................ 9
Packaging Removal ......................................................... 9
Rigging & Hoisting ........................................................... 9
Clearances to Combustible Materials .............................. 9
Ground Level ................................................................... 9
Rooftop ............................................................................ 9
Horizontal to Downflow Conversion ................................. 9
Condensate Drain ............................................................ 9
ELECTRICAL WIRING ...................................................... 10
Pre-Electrical Checklist .................................................... 10
Line Voltage ..................................................................... 11
Thermostat / Low Voltage Connections ........................... 11
Heat / Cool Thermostat ................................................ 11
Checking Heat Anticipator Settings ............................. 12
Heating Configurations .................................................... 12
Configuring the Variable Speed Blower ........................... 12
Selecting Cooling Airflow ............................................. 12
Selecting Gas Heating Airflow ..................................... 12
Optional Humidistat ......................................................... 12
Optional Comfort Alert TM Diagnostics Module .................. 13
24 VAC Power Wiring .................................................. 13
Thermostat Demand Wiring ......................................... 13
L Terminal Wiring ......................................................... 13
DC SOL Connection .................................................... 13
Interpreting the Diagnostic LED’s ................................ 13
LED Description ........................................................... 13
Installation Verification ................................................. 14
Troubleshooting the Installation ................................... 14
Resetting Alert Codes .................................................. 14
Grounding ........................................................................ 14
GAS SUPPLY & PIPING .................................................... 14
Leak Check ...................................................................... 15
High Altitude Conversion ................................................. 15
LP/Propane Gas Conversion ........................................... 16
START UP & ADJUSTMENTS .......................................... 17
Pre-Start Check List ........................................................ 17
Start-Up Procedure .......................................................... 17
Air Circulation ............................................................... 17
System Cooling ............................................................ 17
System Heating ............................................................ 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 .................................................................. 19
Fan Mode ........................................................................ 20
EQUIPMENT MAINTENANCE ........................................... 20
Cleaning of Heat Exchanger ............................................ 20
Cleaning of Burners ......................................................... 21
REPLACEMENT PARTS ................................................... 21
COMPONENT FUNCTIONS .............................................. 21
TROUBLESHOOTING ....................................................... 22
FIGURES & TABLES ......................................................... 23
Figure 9. Unit Dimensions ............................................ 23
Table 8. Center of Gravity & Unit Shipping Weights .... 23
Airflow Data ..................................................................... 24
Table 9. Nominal Airflow Rates & Temperature
Rises (° F) ...................................................... 24
Table 10. Airflow Settings for Cooling .......................... 24
Table 11. Airflow Settings (CFM) & Rise (° F) for
Heating ........................................................ 24
Gas Information ............................................................... 25
Table 12. Gas Pipe Capacities .................................... 25
Table 13. Gas Flow Rates ........................................... 25
Figure 10. Gas Valve Label ......................................... 26
Electrical Information ....................................................... 27
Figure 11. Two Stage Heating / Two Stage
Cooling Configuration ................................. 27
Figure 12. Two-Stage, Hot Surface Ignition & Blower
Control Board ............................................. 27
Figure 13. Two Stage Cool, Two Stage Heat .............. 28
Figure 14. Two Stage Cool, Two Stage Heat with
Optional Comfort Alert ................................ 29
Comfort Alert Troubleshooting Tables ............................. 30
Table 14. LED Diagnostics .......................................... 30
Table 15. Module Wiring Troubleshooting ................... 31
REFRIGERANT CHARGING ............................................. 32
Charging an R-410A unit in AC mode at outdoor
temperatures above 65F. ............................................. 32
Charging Charts & Application Notes .............................. 32
Figure 15. Charging Chart for 2 Ton Units ................... 33
Figure 16. Charging Chart for 3 Ton Units ................... 33
Figure 17. Charging Chart for 4 Ton Units ................... 34
Figure 18. Charging Chart for 5 Ton Units ................... 34
INSTALLATION CHECKLIST ............................................ 36