Carrier 38MBQ Series - Wiring Diagrams; 36 K Model Wiring Schematic; Outdoor Unit Main Board Connections

8
WIRING DIAGRAMS
Fig. 6 – Wiring Diagram Size 36K
Table 6—Outdoor Unit Main Board
PART NAME PART NAME
CN1,CN2 Power input: 230V AC
CN3,CN22 Output: High voltage for 4-way control (230V AC)
CN4,CN40 Output: High voltage for HEAT_Y control(230V AC)
CN5,CN6 Output: Power output to DRIVER BOARD (230V AC)
CN7 Input: Communication Main board and IPM Board,Pin1(12V DC),Pin2(5V DC )
CN8,CN33 Input: Temperature sensor (5V DC)
CN9 Input: Pressure test (5V DC)
CN10,CN44 Output: High voltage for HEAT_D control (230V AC)
CN11,CN12 Output: Pulse(0-380VDC) for DC FAN
CN20 Output: PMV control，Pin5(12V DC),Pin6(12V DC)
CN34 Communication to indoor unit,Pin1(5V DC),Pin3(5V DC)
CN41,CN42,CN43 Output: Power output for AC fan motor (230V AC)
P-1 Connection to the earth
OUTDOOR UNIT (DRIVER BOARD)
PART NAME PART NAME
U V W Output: Pulse(0-380VDC) for COMPRESSOR
CN7 Output: Pulse(0-380VDC) for DC FAN
CN51,CN52 Output: Connect PFC Inductance, high DC Voltage
CN53,CN54 Input: Power input for DRIVER BOARD (230V AC)
CN55 Output: Communication IPM Board and Main board,Pin1(12V DC),Pin2(5V DC )