Literature Library R8GE-ULN Single Package Gas Heating Electric Cooling Instructions
- June 12, 2024
- Literature Library
Table of Contents
**Literature Library R8GE-ULN Single Package Gas Heating Electric Cooling
**
RELAY REWORK INSTRUCTIONS
Single Package Gas Heating / Electric Cooling
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Turn off all power to the unit. Verify there is no voltage to the unit with a multimeter.
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Remove the #8 Brown wire from the existing relay and add the brown 4” extension wire.
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Remove the #12 Black wire from the existing relay and add the black 4” extension wire.
Diagram of existing relay noting the wire numbers in steps #2 and #3. -
Remove the #13 and #14 wire from the existing relay and let them hang until step 11.
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Remove the existing relay.
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A new hole will have to be drilled 1.7” from the bottom hole to accommodate the new relay.
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Attach the new relay part number 622180 to the control panel.
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Attach the Brown wire with the brown extension wire to “NO” on the relay.
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Attach the Black wire with the black extension wire to the “COM” on the relay.
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Attach the Brown and white coil relay terminals. These have smaller 3/16” terminals and cannot be placed on any other connection points.
Diagram of New relay and wiring -
Note: the “NC” on this relay is unused.
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Ensure the wiring is per the wiring diagram with this document.
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Apply power to the unit and verify the heating cycle.
WIRING DIAGRAM
Packaged Ultra Low NOx Single Stage Gas Heat/Electric Air Conditioner
NOTES:
- Disconnect all power before servicing.
- For supply connection use copper conductors only.
- Not suitable on systems that exceed 150V to ground.
- If any of the original wire as supplied with the furnace must be replaced, it must be replaced with wiring material having a temperature rating of at lest 105C.
- for supply wite ampacities and overcurrent protection, see unit rating plate.
230 Volt
Single Phase
60Hz
| DIAGNOSTIC DESCRIPTION | GREEN LED | RED LED |
|---|---|---|
| Control Fault (No Power) | Off | Off |
| L1/Neutral Polarity Fault | Flash | Flash |
| 1 Hour Lockout | Alternating Flash | |
| Normal Operation | On | On |
| Pressure Switch Closed Fault | On | Flash |
| Pressure Switch Open Fault | Flash | On |
| Open Limit Switch Fault | Flash | Off |
| DIAGNOSTIC DESCRIPTION | YELLOW LED | |
| Low Flame Sensor Signal | Continuous Flash | |
| Flame Present | On |
Specifications & illustrations subject to change without notice or incurring obligations (09/22). O’Fallon, MO, © Nortek Global HVAC LLC 2022. All Rights Reserved.