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High Efficiency
Installation Instructions
Single Package Gas Heating/Electric Cooling
Single Phase
WARNING:
!
Improper installation, ad-
justment, alteration, service,
or maintenance can cause
injury or property damage.
Refer to this manual. For as-
sistance or additional infor-
mation consult a qualified
installer, service agency, or
the gas supplier.
DO NOT DESTROY. PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
These instructions are primarily intended to assist qualified individuals experienced in the proper installation of this
appliance. Some local codes require licensed installation/service personnel for this type of equipment. Read all
instructions carefully before starting the installation.
FOR YOUR SAFETY
Do not store or use gasoline
or other flammable vapors
and liquids in the vicinity of
this or any other appliance.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appli-
ance.
• Do not touch any electrical
switch; do not use any phone
in your building.
• Immediately call your gas sup-
plier from a neighbor's phone.
Follow
the
gas supplier's
instructions.
• If you cannot reach your gas
supplier, call the fire depart-
ment.
• Extinguish any open flame.
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Table of Contents
Related Manuals for Nortek R6GD
Summary of Contents for Nortek R6GD
- Page 1 High Efficiency Installation Instructions Single Package Gas Heating/Electric Cooling Single Phase FOR YOUR SAFETY WARNING: FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS • Do not try to light any appli- Improper installation, ad- ance. justment, alteration, service, •...
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Page 2: Table Of Contents
TABLE OF CONTENTS SYSTEM CHECK ............14 GENERAL SPECIFICATIONS ........3 • Pre-Start Check List ........... 14 SAFETY CONSIDERATIONS ........3 START-UP PROCEDURE .......... 15 • Literature, Labels, and Tags ........3 • Air Circulation ............. 15 • Pressures Within The System ....... 3 •... -
Page 3: General Specifications
GENERAL SPECIFICATIONS INSTALLATION REQUIREMENTS Single Package Gas Heating/Electric Cooling units Equipment Application — Before beginning the are designed for outdoor rooftop or ground level slab installation, verify that the unit model is correct for the installations. The units are shipped ready for horizontal job. -
Page 4: Unit Dimensions
DIMENSIONS Electric Supply Entry Low Voltage Entry Gas Supply 31.0 Entry 24.6 16.6 47.5 Side View 1.75 Horizontal Horizontal Supply Duct Return Duct Condensing Opening Opening Coil 8.75 16.0 16.0 16.0 13.5 13.5 12.45 12.45 9.75 24.75 55.8 Back View... - Page 5 23 1/2 Supply Duct Return Duct Opening Opening Top View Center of Gravity Height (in inches) Model Unit Shipping Number Weight Weight R6GD with base rails without base rails X24K045† 26.5 26.5 39.0 35.3 X24K072† 26.0 26.5 39.0 35.3 X30K045† 26.5 26.5...
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Page 6: Clearances To Combustible Materials
6. The unit should be installed in such a manner as to WARNING: prevent snow accumulation from obstructing the vent termination. Do not vent furnace through a conventional 7. The unit installation shall avoid areas where condensate venting system. drainage may cause problems by dropping on planters or patios, etc.Furthermore, ensure that the exhaust gases A vent cover assembly has been supplied with the unit. -
Page 7: Condensate Drain
For single phase downflow installations only, an internal WARNING: filter accessory kit can be ordered. For horizontal instal- lations, the air filter system must be installed in the To avoid the risk of property damage or personal return air ductwork. All return air to this unit must pass injury, it is the rigger’s responsibility to ensure through the filter(s) before entering the evaporator coil. - Page 8 Figure 3. Minimum Clearances. Minimum Clearances to Combustible Material** Minimum Clearances (Inches) Blower Control Duct Coil Model Number Heating Input R6GD (Btuh) Panel (A) Panel (B) Panel (C) End (D) Top (E) X24(K)045(†) 45,000 X24(K)072(†) 72,000 X30(K)045(†) 45,000 X30(K)072(†) 72,000 X36(K)072(†)
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Page 9: Air Supply For Combustion And Ventilation
CIRCULATING AIR SUPPLY WARNING: WARNING: Do not place combustible material on or against the unit cabinet. Do not place combustible Products of combustion must not be allowed to materials, including gasoline and any other enter the return air ductwork or the circulating air flammable vapors and liquids, in the vicinity of supply. -
Page 10: Unconditioned Spaces
and the entry hole in the unit’s casing to avoid unwanted of leaks in the heat exchanger. The cover for the opening noise and/or damage to the unit. shall be attached in such a manner as to prevent leaks. All gas piping must be installed in compliance with local If outside air is utilized as return air to the unit for ventilation codes and utility regulations. -
Page 12: Gas And High Altitude Conversions
This kit is for LP/propane conversion in the United States WARNING: at altitudes between zero and 10,000 ft. above sea level. Follow the installation instructions supplied with the kit This unit was equipped at the factory for use with for proper installation. natural gas only. -
Page 13: Blower Speed
3. Verify the required speed from the airflow data found specified on the unit rating plate. Also verify that the service in table 3. Place appropriate wire on the appropriate provided by the utility is sufficient to handle the additional motor speed tap for the required airflow point. -
Page 14: System Check
For a Natural Gas Sea Level Heating Value of 800 to 899 Btu/ cu.ft. Elevation (feet above sea level) zero to 2000 to 5000 to 6000 to 8000 to 1999 4999 5999 7999 10000 Manifold Pressure Setting (in WC) For a Natural Gas Sea Level Heating Value of 900 to 999 Btu/ cu.ft. Elevation (feet above sea level) zero to 2000 to... -
Page 15: Start-Up Procedure
Nominal Electrical Blower Motor Maximum Over- Model Number Circuit (BTUh) Supply Amps Amps current Protection Min. Max. Ampacity 45,000 208/-23-60-1 12.8 58.3 22.7 R6GD-X24K 72,000 208/-23-60-1 12.8 58.3 22.7 45,000 208/-23-60-1 15.7 73.0 26.3 R6GD-X30K 72,000 208/-23-60-1 15.7 73.0 26.3 72,000 208/-23-60-1 18.6... -
Page 16: Verifying And Adjusting Temperature Rise
Multiply the gas flow rate in cubic feet per hour by off 135 seconds after the gas valve is closed. (The heating the heating value of the gas in Btu per cubic foot blower off delay is factory set at 90 seconds. There is an to obtain the firing rate in Btu per hour. -
Page 17: Gas Valve
Recommended T’stat T’stat Wire Length Ft. (Unit to T’stat) Wire 2-wire 4/5-wire Gauge (Heating) (Cooling/HP) (Optional, Check thermostat Instructions) INDOOR THERMOSTAT SUB-BASE (Typical) FURNACE BOARD Typical Wiring (Field Supplied) for 1-Stage Cool, 1-Stage Heat Figure 8. Typical Thermostat Connections. Gas Valve — The gas valve acts to control the flow of Refrigerant Charging —The packaged gas/electric units gas to the burners. -
Page 18: Wiring Diagrams
WHITE GREEN YELLOW BLACK Figure 10. Single-Phase Wiring Diagram. -
Page 19: Air Filter
Air Filter — Inspect and clean or replace the air filter WARNING: every three to four weeks. Holes in the heat exchanger can cause products WARNING: of combustion to enter the home. Replace the heat Never operate the unit without a filter in place. exchanger if leaks are found. - Page 20 FOR YOUR SAFETY READ POUR VOTRE SÉCURITÉ. À LIRE AVANT L’EMPLOI BEFORE OPERATING ATTENTION! L’inobservation de ces instructions WARNING: If you do not follow these instructions peut entraîner un incendie ou une explosion pouvant exactly, a fi re or explosion may result causing property causer des dam mages à...
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Page 21: Cleaning Of Burners
cleanout cable. Attach variable speed reversible Follow the operating instructions found on the right drill to the other end of the spring cable. Slowly side door and the User’s Information Manual to rotate the cable with the drill and insert it into the return the unit to operation. -
Page 22: Operating Sequence
If a call for heat occurs, the circulating blower de- Remove the piping between the gas valve and the energizes prior to normal heating cycle. ground-joint union, if necessary. Heating Mode: Remove the screws that hold the burner assembly in place and remove the burner assembly. BE On a call for heat the thermostat closes, applying EXTREMELY CAREFUL NOT TO DAMAGE THE 24 VAC to the W terminal on the control board. -
Page 23: Unit Fails To Operate
30 seconds from the gas valve opening the main FAULT STATUS blower starts and continues to run. CONDITION LIGHT (RED) When the thermostat is satisfied, the “W” terminal Power On on the integrated control is de-energized. Limit Circuit Open 1 Flash Pressure Switch Stuck Open 2 Flash The gas valve circuit is de-energized and the gas... -
Page 24: Charging Charts
R6GD-X24 Charging Chart - Cooling Remove refrigerant when above curve Add refrigerant when below curve Liquid Temperature (F) R6GD-X30 Charging Chart - Cooling Remove refrigerant when above curve Add refrigerant when below curve Liquid Temperature (F) - Page 25 R6GD-X36 Charging Chart - Cooling Remove refrigerant when above curve Add refrigerant when below curve Liquid Temperature (° F) R6GD-X42 Charging Chart - Cooling Remove refrigerant when above curve Add refrigerant when below curve Liquid Temperature (F)
- Page 26 R6GD-X48 Charging Chart - Cooling Remove refrigerant when above curve Add refrigerant when below curve Liquid Temperature (° F) R6GD-X60 Charging Chart - Cooling Remove refrigerant when above curve Add refrigerant when below curve Liquid Temperature (° F)
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Page 27: Installation Checklist
INSTALLATION/PERFORMANCE CHECK LIST LOCATION _____________________________ CITY ______________________________ STATE ________ INSTALLER ____________________________ CITY ______________________________ STATE ________ UNIT MODEL NUMBER __________________ UNIT SERIAL NUMBER ______________ Is there Proper Draft? __________________________ Minimum Clearances per Table 1? ________________ Is vent hood free from restrictions? ________________ Electrical Connections tight? _____________________ Is the Filter(s) clean? ___________________________ Supply Voltage: ________________ Volts... - Page 28 INSTALLER: PLEASE LEAVE THESE INSTALLATION INSTRUCTIONS WITH THE HOMEOWNER. Specifications & illustrations subject to change without notice or incurring obligations (05/15). O’Fallon, MO, © Nortek Global HVAC LLC 2015. All Rights Reserved. 7090750 (Replaces 7090250)
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