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Lennox 103861-04, EIM Equipment Interface Module

Cat # : 22X18

Model/Part # : 103861-04

This product is used in several different models.

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Brand
Lennox
Catalog Number
22X18
Model/Part Number
103861-04
Minimum Order Quantity
0.0
Base Unit of Measure
Unit(S)
Gross Weight
1.4 LB
Family
Communicating
Type
Equipment Interface Module
Additional Information
(H x W x D): 6-1/8 x 7-1/2 x 1-3/8"

Product Overview

Lennox EIM, Residential Communicating Control System Equipment Interface Module

The Equipment Interface Module (EIM) allows a Lennox® Communicating Thermostat to be used with most noncommunicating HVAC systems.

The EIM allows most conventional, non-communicating furnaces or air handlers (up to 3 stages heating and 2 stages cooling) to emulate a Lennox® Communicating indoor unit (with reduced communication features).

  • Contains all necessary relays and controls to emulate a Lennox® Communicating indoor unit
  • Module has two green LEDs
  • One indicates status and aids in troubleshooting, a second LED indicates active RSBus communication
  • Any system alerts/warnings are transmitted to the Lennox® Communicating Thermostat
  • Serial communications bus (RSBus), with less wiring than a conventional heating/cooling system, allows system communication
  • Uses 4-wire, 18-gauge standard thermostat wiring for connection to the Lennox® Communicating Thermostat
  • Conventional thermostat wiring connects the EIM to the non-communicating indoor/outdoor unit equipment