Carrier 38MGRBQ18B-3 Service Manual page 48

Multi-zone outdoor unit ductless system sizes 18r, 24hh, 30hh, 36r, 36hh, 48r and 48hh

Table of Contents

38MGRBQ: Service Manual

DIAGNOSIS AND SOLUTION (CONT)

PIC3: The main board LED displays when the power is on and the unit is in standby.

PIC4: Check the POINT button. Press one time to determine how many indoor units are connected.

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Fig. 42 — IPM for four and five zone

Fig. 43 — Main Board

Fig. 44 — Main Board

PIC2: IPM (For four or five zone)

Standby

Power

Table of Contents

38mgrbq24c-3 38mgrbq30d-3 38mgrbq36d-3 38mgrbq48e-3