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Aprilaire® 5558
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Aprilaire® 5558

Aprilaire® 5558 Digital Modulating Control Package, 10 - 90% Relative Humidity (in 1% Increments) Adjustable

  • Manufacturers: Research Products
  • Brand Name: Aprilaire®
  • Item #: 51323
  • Rebate Amount:
  • MPN: 5558
  • UPC: 653958053989
  • Qty. Interval: 1
  • Availability: Login for Availability

Aprilaire® Digital Modulating Control Package, 22 - 26 VAC or 28 - 32 VDC at 50/60 Hz, 10 - 90% Relative Humidity (in 1% Increments) Adjustable, +/-3% Differential Humidity, Wall Mounting, 32 - 104 deg F

Voltage Rating      :      26 V
Temperature Rating      :      32 - 104 deg F
Mounting Type      :      Wall
  • Wall-mounted humidistat boasts a microcomputer design and offers a large LED digital display with a backlight
  • Outputs controlling humidification and dehumidification equipment by means of on/off or proportional output signals for greater flexibility
  • Integrated sensor for better application flexibility
  • Programmable proportional band to increase or decrease the sensitivity of the humidifier control
  • Humidity setpoint reset function based on outdoor temperature which helps prevent condensation in colder climates
  • 10 kohm outside temperature sensor
  • +/- 3% or better at 40% RH and 73 deg F (23 deg C) sensor precision, 2 to 10% for control signal proportional band
  • External setpoint from Aprilaire humidifier, external humidity sensor (0 - 10 VDC/2 - 10 VDC) or high limit (0 - 10 VDC/2 - 10 VDC)
  • 1 alarm status digital input (24 VAC or dry contact)
  • 18 AWG electrical connection
  • Proportional high limit override to prevent over-humidification within the duct and costly water damage
  • Multi-level lockable access menu and lockable setpoint to prevent accidental changes
  • Indicator when outdoor temperature setback is used for winter compensation
  • pdfSpecification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Aprilaire_5558_Specification_Sheet.pdf