Lennox EIM - Shipping and Packing List; Application and Requirements; Table of Contents; Indoor Transformer Requirements

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Shipping and Packing List .................................................................2
Application and Requirements ..........................................................2
Indoor Transformer Requirements ................................................... 2
Equipment ....................................................................................... 2
Installation ...........................................................................................4
Conguration Setup ...........................................................................4
EIM, 24VAC Furnace and Lennox Communicating Heat Pumps .... 4
EIM, Lennox Communicating Furnace and 24VAC Heat Pump ...... 4
Unit Type Jumpers ........................................................................... 5
Heat Stage Jumper Positions .......................................................... 5
Air Temperature Sensor Connections .............................................. 6
Lennox Communicating Terminal Connections and Wiring
Recommendations ........................................................................... 6
Dual-Fuel Terminal Connections ..................................................... 6
Conventional Terminal Connections and Wiring Requirement ........ 6
LED Indicators ................................................................................. 7
Soft Disable ..................................................................................... 7
iComfort S30 Commissioning (Conventional Outdoor Unit) ............ 8
Operating Environment Specications ............................................8
Unit Dimensions .................................................................................8
Duel-Fuel Operations .........................................................................9
Field Wiring .......................................................................................10
Alert Codes and Troubleshooting ...................................................16
TABLE OF CONTENTS
Shipping and Packing List
Quantity Description
1 Equipment Interface Module.
1 Installation and setup guide
1 Warranty certicate
WARNING
Improper installation, adjustment, alteration, ser vice or maintenance can
cause property damage, personal injury or loss of life.
Installation and service must be performed by a li censed professional
HVAC installer (or equivalent) or a service agency.
Application and Requirements
Indoor Transformer Requirements
The following lists the required indoor unit transformer rating (VA) for
specic congurations.
Table 1. System VA Loading Chart
Conguration
Minimum Transformer Rating
(VA)
2-Stage HP, 3-Stage Electric heat 70
2-Stage HP, 2-Stage Furnace (with tempering) 70
2-Stage HP, 2-Stage Furnace (without tempering) 50
2-Stage AC, 2-Stage Furnace 40
Equipment
The Equipment Interface Module (EIM) is used with an Lennox
communicating thermostat using the R, i+, i-, and C terminals. The EIM is
the interface between non-communicating HVAC equipment and Lennox
communicating HVAC equipment.
NOTE: EIM will support single-stage outdoor units with single-stage or
variable-stage indoor furnaces.