A16CM4H4R24

A16CM4H4R24 is the 16 SEER, 24,000 Btu tri zone multi split unit.

Multi Split Condenser

Wiring Diagram

A16CM4H4R24 Wiring Diagram

Exploded View and Parts List

A16CM4H4R24 Exploded View

Number	Part Name
1	Front Grill
2	Cabinet
3	Drainage Plug
4	Chassis Sub-Assy
5	Drainage Connector
6	Compressor and Fittings
7	Compressor Gasket
8	Gas-Liquid Separator Assy
9	Inhalation Tube
10	Right Side Plate
11	Valve Support Assy
12	Cut Off Valve
13	Cut Off Valve
14	Big Handle Assy
15	Terminal Cover Sub-Assy
16	Temperature Sensor
17	Temperature Sensor
18	Temperature Sensor
19	Electric Expand Valve Fitting
20	Electronic Expansion Valve Assy
21	Electric Expand Valve Fitting
22	Electric Expand Valve Fitting
23	Magnet Coil
24	4-Way Valve Assy
25	Wiring Clamp
26	PFC
27	Clapboard Assy
28	Temperature Sensor
29	Rear Grill
30	Condenser Assy
31	Top Cover
32	Motor Support Sub-Assy
33	Condenser Support Plate
34	Left Side Plate
35	Left Handle
36	Electric Box (Fireproofing)
37	Electric Box Assy
38	Tube Connect
39	Fan Motor
40	Axial Flow Fan

Piping Sizes

Liquid Side	Gas Side	Evaporators
1/4"	3/8"	A16EM4H4R09 A16EM4H4R12
1/4"	1/2"	A16EM4H4R18

Malfunction Indicator

Note: When several malfunctions occur at the same time, they will be displayed in circulation and every malfunction is displayed for 5 seconds.

NO.	Malfunction description	LED1	LED2	LED3	LED4
0	Normal stop	off	off	off	off
1	Compressor run	on	off	off	off
2	Compressor overload protection	blinking	off	off	off
3	Discharge protection	off	on	off	off
4	Outdoor unit overload protection	on	on	off	off
5	High pressure protection	blinking	on	off	off
6	Over current protection	off	blinking	off	off
7	IMP protection	on	blinking	off	off
8	IMP overheating protection	blinking	blinking	off	off
9	PFC protection (including PFC overheating protection)	off	off	on	off
10	Phase current protection	on	off	on	off
11	Over voltage protection	blinking	off	on	off
12	Insufficient voltage protection	off	on	on	off
13	Start failure	on	on	on	off
14	Compressor desynchronizing	blinking	on	on	off
15	Compressor phase-lacking protection	off	blinking	on	off
16	Compressor phase current detection malfunction	on	blinking	on	off
17	Memory chip mistake	blinking	blinking	on	off
18	DC power supply short-circuit	off	off	blinking	off
19	Defrosting	on	off	blinking	off
20	Oil return	blinking	off	blinking	off
21	Complete unit frequency restriction protection	off	on	blinking	off
22	Complete unit frequency dropping protection	on	on	blinking	off
23	Unit A frequency restriction or frequency dropping protection	blinking	on	blinking	off
24	Unit B frequency restriction or frequency dropping protection	off	blinking	blinking	off
25	Unit C frequency restriction or frequency dropping protection	on	blinking	blinking	off
26	Unit D frequency restriction or frequency dropping protection	blinking	blinking	blinking	off
27	Outdoor ambient temperature sensor protection	off	off	off	on
28	Outdoor tube temperature sensor protection	on	off	off	on
29	Discharge temperature sensor protection	blinking	off	off	on
30	IPM thermal resistance malfunction	off	on	off	on
31	Unit A liquid pipe temperature sensor malfunction	on	on	off	on
32	Unit A gas pipe temperature sensor malfunction	blinking	on	off	on
33	Unit B liquid pipe temperature sensor malfunction	off	blinking	off	on
34	Unit B gas pipe temperature sensor malfunction	on	blinking	off	on
35	Unit C liquid pipe temperature sensor malfunction	blinking	blinking	off	on
36	Unit C gas pipe temperature sensor malfunction	off	off	on	on
37	Unit D liquid pipe temperature sensor malfunction	on	off	on	on
38	Unit D gas pipe temperature sensor malfunction	blinking	off	on	on
39	Unit A mode conflict	off	on	on	on
40	Unit B mode conflict	on	on	on	on
41	Unit C mode conflict	blinking	on	on	on
42	Unit D mode conflict	off	blinking	on	on
43	Communication failure with Unit A	on	blinking	on	on
44	Communication failure with Unit B	blinking	blinking	on	on
45	Communication failure with Unit C	off	off	blinking	on
46	Communication failure with Unit D	on	off	blinking	on
47	Unit A freeze protection	blinking	off	blinking	on
48	Unit B freeze protection	off	on	blinking	on
49	Unit C freeze protection	on	on	blinking	on
50	Unit D freeze protection	blinking	on	blinking	on
51	Unit A overheating prevention protection	off	blinking	blinking	on
52	Unit B overheating prevention protection	on	blinking	blinking	on
53	Unit C overheating prevention protection	blinking	blinking	blinking	on
54	Unit D overheating prevention protection	off	off	off	blinking
55	Unit A communication wire misconnection or expansion valve malfunction	on	off	off	blinking
56	Unit B communication wire misconnection or expansion valve malfunction	blinking	off	off	blinking
57	Unit C communication wire misconnection or expansion valve malfunction	off	on	off	blinking
58	Unit D communication wire misconnection or expansion valve malfunction	on	on	off	blinking

Common Troubleshooting

The following outline solutions for malfunctions that are either not indicated by the LEDs or cover more than one malfunction number in the above table.

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