Economizer for Modutrol Motors Zoom

Economizer for Modutrol Motors


Brand: Honeywell

W859F1005 has been discontinued.
Please contact customer service at
(888) 757-4774 for help finding an alternative.



Product Type: Logic Module
Accessory For: M91 Modutrol IV Motors

Description for Honeywell W859F1005

W7459 Solid State Economizer Logic Module with M7415 Actuator to proportion outdoor and return air dampers in economizer systems.


  • Combines solid state changeover control, minimum damper position potentiometer and compressor staging relays.
  • Use one sensor in outdoor air for single sensor control; use two sensors, one in return air and one in outdoor air, for differential control.

  • Economizer for Modutrol Motors
  • Output: Series 90
  • Voltage: 24 Vac
  • Frequency: 50, 60 Hz
  • Contact Ratings: 1 A @ 24 Vac
  • Dimensions: 5 13/16 in. high x 4 1/8 in. wide x 3 11/32 in. deep
  • Comments: throttling range: 10 F (6 C) Requires 203977A bracket for mounting on Modutrol IV motor. 135 ohm mixed air temperature controller
  • Used with: M91XX Modutrol IV motor

Economizer for Modutrol Motors

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