Carrier 38MBRQ48A-3 - Defrosting Mode Operations; Defrost Trigger and Measurement Conditions; Defrost Exit Criteria; Defrosting Process Chart

38MBR: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
13
Defrosting Mode
If any one of the following conditions are met, AC enters the DEFROSTING mode. After the compressor starts and continues to run, mark the
minimum value of T3 from the 10th minute to 15th minute as T30.
Fig. 16 — Defrosting Chart