Connection Diagrams; Wiring Diagram - Carrier 40MBFAQ Service Manual

40MBFAQ: Service Manual

CONNECTION DIAGRAMS

WIRING DIAGRAM

CODE PART NAME
ROOM TEMP.SENSOR
T1
T2
PIPE TEMP.SENSOR
Note1 :COMPONENT IN DASH LINE
IS OPTIONAL OR FIELDWIRING.
RED
BLACK
YELLOW(WHITE)
1 2 3
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Fig. 1 — Connection Diagram - Size 12K
1
Fig. 2 — Control and Power Wiring
M
5
Output:310VDC
CN12
Input:230VAC
L_IN
N_IN Input:230VAC
Output:12VDC
CN32
Y/G
INDOOR UNIT
2
OUTDOOR UNIT
Input:12VDC
CN43
Output:5VDC/12VDC Output:5VDC/12VDC
X Y
E 12V/5V
CN42 CN41
To 485 Wire-controller
Fig. 3 — Wiring Diagram - Size 12K
2 3
M
5
CN42
Output:310VDC
MAIN BOARD
S Output:0-24VDC
3
CN40
Input:5VDC
MULTI-FUNCTION
CONTROL BOARD
DRY CONTACT Output:5VDC
CN46
CN45
To Remote
To Remote
Contol
Alarm
4
M M
5
5
CN23 CN19 Output:12VDC
Output:12VDC
Output:0~5VDC
CN15
Output:5VDC
CN18
4
CN1 Input:5VDC
4
Wi-Fi
Output:5VDC CN3
5
Output:5VDC CN2
Controller
5
Humidity
Output:5VDC CN5
Sensor
Output:0~5VDC CN4
DISPLAY BOARD
T1
T2
Wire