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General| Model | Aprilaire 8126 Series |
|---|---|
| Voltage | 24 VAC |
| Wire Size | 18-22 AWG |
| Power Source | 24VAC Transformer |
| Humidity Control | Automatic |
| Humidity Sensor Accuracy | ±5% RH |
| Weight | 0.5 lbs |
| Mounting | Wall-mounted |
| Operating Temperature Range | 32°F to 122°F (0°C to 50°C) |
| Dimensions | 4.5" x 2.75" x 1.25" (114mm x 70mm x 32mm) |
Electrical shock hazards and safe handling of sharp metal edges.
Precautions for furnace blower operation and controller mounting location.
Lists all items provided with the ventilation controller.
Details operating temperature, load capacity, and input voltage.
Instructions for attaching the controller to the Model 8140NC ventilator.
Steps for mounting the controller onto sheet metal return ducts.
Steps for mounting the controller onto duct board return plenums.
How to mount the controller in a closet return plenum for accurate air sensing.
Instructions for drilling and securing the outdoor temperature sensor into the duct.
Diagram and steps for connecting the controller to a furnace system.
Diagram and steps for connecting the controller to a heat pump system.
Diagram and steps for connecting the controller to the 8140NC fresh air ventilator.
Wiring diagram for connecting to the Model 6506 damper.
Explains the controller's display, buttons, and indicators during operation.
Configure heat pump/furnace type, bedrooms, and square footage for ventilation.
Set high and low temperature limits for ventilation control.
Configure how the HVAC fan interacts with ventilation (On, Blend, Off).
Configure low fan temperature limit, mode, and indoor RH limits.
Instructions to enter and understand the test mode for component verification.
How to verify CFM settings against calculated values using formulas.
Explains how ventilation operates under the 'Code' setting based on temperature.
Explains how ventilation operates under 'Comfort' mode based on temperature and humidity.
Details the five-year warranty for defects in materials and workmanship.
Instructions for registering the product online or by mail.
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