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Lennox X9953 4-Zone Control Panel Harmony 3

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Special Price $1,040.01 Regular Price $1,154.41
In stock
SKU
X9953
The Lennox X9953 is a 4 Zone Control Panel-Harmony 3, which is the central control for multi-zoned Lennox climate control systems. It works to send signals to up to four different zones through thermostats. This results in the ability to control the temperature in each zone individually. It can cool the upstairs during the night while at the same time keeping the downstairs warm. The Harmony 3 system also has the potential to decrease energy demands as each zone is heated or cooled to the required extent. The panel is safe with the operation voltage of 24VAC and is not large with the dimensions of 8.5 Inches wide, 12 Inches tall, and 2-1/4 Inches deep.
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HVAC Control Panel Parts, Air Conditioner Parts
Manufacturer:
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Specifications

  • Weight: 3.37lbs
  • Voltage: 24 VAC
  • Type: Zone Control Panel
  • Width: 8.5 Inch
  • Height: 12 Inch
  • Depth: 2-1/4 Inch
  • Measure: Unit
Manufacturer Name: Lennox
Product Number: X9953
OEM Part Number: X9953
Product Description: 4 Zone Control Panel-Harmony 3
Weight:3.37lbs/1528.61g

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Product Questions (3)
Customer Questions
How to install an expansion valve for refrigeration?

Thermostatic expansion valves are an integral part of your refrigeration unit. They are responsible for ensuring the right dosage of refrigerant is entering the cooling coil to ensure maximum efficiency in the air conditioning of the system.    These special expansion valves come with a temperature sensor that is mounted at the end of the evaporator coil. They incorporate signals from this sensor to maintain the required temperature of the HVAC system. The thermostatic expansion valve works like a precision device that can regulate the measurements of the liquid refrigerant that flows into the evaporator of your system. This regulation in the flow of the refrigerant is essential to prevent the reverse flow of the refrigerant into the compressor of your system.    Through this mechanism, the thermostatic expansion valve successfully separates the high and low pressure sides of the refrigeration/air conditioning system. The liquid refrigerant enters the expansion ...

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What maintenance is required for the Lennox X9953 Control Panel?

Periodically inspect wiring and connections for corrosion or looseness. Keep the panel free from dust and moisture to ensure reliable operation. Test zone outputs regularly, and follow safety precautions when powering down the system for inspections.

What are common issues with the Lennox X9953 Control Panel?

  • Incorrect zone operation or failure to activate.
  • Loose or corroded wiring connections.
  • Faulty communication with thermostats.
  • Intermittent power or display malfunctions.

Installation Steps

Step 1: Turn off power to the HVAC system to ensure safety.

Step 2: Mount the control panel securely in a suitable location.

Step 3: Connect zone dampers and thermostat wiring according to the diagram.

Step 4: Attach power supply connections and verify correct voltage.

Step 5: Double-check all wiring and secure any loose cables.

Step 6: Restore power and test each zone for proper control and operation.