Reznor R6GI Unit Installation Manual Manuale Utente Scaricare il pdf (Pagina 2)

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 ............................................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

Pre-Electrical Checklist ...........................................11

Grounding................................................................11

Line Voltage ............................................................. 11

Thermostat / Low Voltage Connections ................... 11

Heat / Cool Thermostat ........................................12

Checking Heat Anticipator Settings ...................... 12

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

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 ..........................................................20

De-Humidiﬁcation Control ....................................20

Delay Override ........................................................20

Fan Only Mode ........................................................20

EQUIPMENT MAINTENANCE ................................... 20

Cleaning of Heat Exchanger ...................................21

Cleaning of Burners ................................................22

TROUBLESHOOTING - COOLING MODE ...............24

Diagnostic Display ...................................................24

Instrumentation .......................................................24

Low Ambient Cooling ..............................................24

TROUBLESHOOTING - HEATING MODE ................24

REPLACEMENT PARTS ............................................25

HEATING COMPONENT FUNCTIONS .....................25

OPTIONAL FURNACE CONTROL BOARD

CONNECTIONS .........................................................25

FIGURES & TABLES .................................................26

Figure 10. Unit Dimensions ..................................26

Table 11. Center of Gravity & Shipping Weights ...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

GasInformation .....................................................28

Table 15. Gas Pipe Capaacities ...........................28

Table 16. Gas Flow Rates ....................................28

Figure 11. Gas Valve Label ..................................29

ElectricalInformation ............................................ 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

Alternate Procedure for Charging Air Conditioner

in Cooling Mode ......................................................36

Application Notes on the Use of Charging Charts ...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

Charts .................................................39

INSTALLATION / PERFORMANCE CHECK LIST ....40

1 2 3 4 5 6 7 ... 39 40

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Reznor R6GI Unit Installation Manual Manuale Utente Pagina 2

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