Carrier 40MBABQ48XA3 - Wiring the Indoor Unit; General Wiring Procedures; Indoor Unit Wiring Diagram

40MBAB: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
8
4. Indication of the position of each temperature sensor of the
evaporator (confirm your model).
Fig. 16 — Temperature sensor position
Fig. 17 — Temperature sensor position
Fig. 18 — Temperature sensor position
5. Unplug temperature sensors T1,T2 from the control board.
•T1: Room temperature sensor
•T2: Evaporator central sensor plug
Fig. 19 — Unplug Temperature Sensors
6. Remove the T1,T2 sensor wire ties,
Fig. 20 — Remove the T1,T2 sensor wire ties
18-24K model
T2
T1
30-48K model
60K model
T2
T1
T2
T1