Carrier 39L User Manual

Page 66

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LEGEND

AHU

— Air Handling Unit

CUST — Condensing Unit Status
DSIO

— Relay Module

DX

— Direct Expansion

OAT

— Outdoor Air Thermostat

PIC

— Product Integrated Control

Factory Wiring
Field Wiring

Fig. 70 — Outdoor Air Thermostat/DSIO Wiring

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