Carrier 40MBD Product Data

Also see for 38MAQ Series: Service manual Owner's manual Owner's manual Owner's manual

Contents

21Fig. 13 – Wiring Diagram Size 24Indoor unit Outdoor unitCODE PART NAME CODE PART NAMECN1 Input: 230VAC High voltage Connection of the terminal CN17 Input:Pin4-5 (3.3V) (T4) Pin2(0V),Pin1,Pin3(0-3.3V) (T3)CN2 Input: 230VAC High voltage Connection of the terminal CN7 Input:Pin1 (3.3V) Pin2(0-3.3V) (TP)CN3/CN26 Output: 0V Connection of the earth CN5,CN6 Output:230V High voltage for heater1 controlCN5 Output: 0-5VDC Connection of the Water level switch CN8,CN9 Output:230V High voltage for heater2 controlCN6 Output: 5VDC Connection of the Room and Pipe temperature CN2,CN3 (IPM BOARD) Output: Connection of the high voltage (REACTOR)CN8/CN18 Output: 320VDC High voltage Connection of the Reactor CN3 (MAIN BOARD) Input:230V High voltage (L)CN9 Output: 5VDC Connection of the CCM CN4 Input:230V High voltage (N)CN10(CN10A) Output: 12VDC Connection of the Display board P-1 Connection to the earth (GND)CN11/CN14 Output: 220VAC High voltage Connection of the New Fan CN10 Output: Connection of the high voltage (S)CN13 Output: 220VAC High voltage Connection of the Pump CN1,CN2 (MAIN BOARD) Output: High voltage for 4-way controlCN15 Output: 320VDC High voltage Connection of the Fan board CN37 Output: Pulse(0-320V) for DC FANCN23 Output: 1-12VDC Connection of the Remote switch U V W Output: Pulse(0-320V) for COMPRESSORSCN33 Output: 0V Connection of the AlarmCN40 Output: 12VDC Connection of the Wire controllerCN41 Output: 24VDC Between CN2 Connection of the S signal