Carrier 38MARBQ30AA3 User Manual

10 Specifications subject to change without notice. SG-38MARB-01
WIRING DIAGRAMS
Fig. 10 — Wiring Diagram Size 12K (115V)
Table 6 — Wiring Diagram Size 12K (115V)
Table 7 — Wiring Diagram Size 12K (115V)
CN2/7/8 Input 230V AC
CN18 Output 0~12V DC
CN414 Output 0~310V AC
CN60 Output 230V AC
CN17 Output 0~5V DC
CN16 Output 230V AC
CN19 Output 230V AC
CN27/28/29 Output 0~310V AC
T3 Condenser Temperature Sensor
T4 Ambient Temperature Sensor
TP Discharge Temperature Sensor
NOTE
This symbol indicates that
the element is optional.
The actual shape shall prevail.

Carrier 38MARBQ30AA3 Specifications

General

Model	38MARBQ30AA3
Type	Heat Pump
Cooling Capacity (BTU/h)	30000
Heating Capacity (BTU/h)	30000
HSPF Rating	Up to 9.5
Refrigerant Type	R-410A
Operating Voltage (VAC)	208/230
Phase	1

Summary

ELECTRICAL AND WIRING

Electrical Data

Key electrical data including voltage, current, and fuse ratings.

Wiring Diagrams and Connection Methods

Diagrams and recommended methods for unit wiring.

REFRIGERANT SYSTEM

Refrigeration Cycle Diagrams

Schematic diagrams illustrating the refrigerant cycle.

Refrigerant Lines and Charging

Guidelines for refrigerant line sizing, types, and charging.

DIAGNOSTICS AND TROUBLESHOOTING

Troubleshooting Safety and General Guides

Safety precautions and general troubleshooting advice.

Indoor Unit Diagnostic Guides

Outdoor Unit Error Displays and Diagnosis

SAFETY PRECAUTIONS