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Manual 238-53597-00D REV 3/21
SERVICE
MANUAL
Troubleshooting Guide
and Instructions for Service
(To be performed ONLY by
qualified service providers)
Models Covered
by This Manual:
EF120T4003(N,X)(A)3
EF120T5003(N,X)(A)3
Commercial Ultra High Efficiency Models
with Direct Spark Ignition and ICON Control System
Effective: March 2021
ECO 8323