Difference between revisions of "AMTCM4H4R18"

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Revision as of 16:36, 28 June 2017

AMTCM4H4R18 is the 22 SEER, 18,000 BTU dual zone multi split unit.

Multi Split Condenser

Wiring Diagram

AMTCM4H4R18 Wiring Diagram

Exploded View and Parts List

AMTCM4H4R18 Exploded View
Number Part Name
1 Front Grill
2 Front Grill Assy
3 Chassis Sub-Assy
4 Drainage Connector
5 Drainage Hole Cap
6 Gas-Liquid Separator Assy
7 Compressor and Fittings
8 Electric Heater (Compressor)
9 Tube Connector Sub-Assy
10 Magnet Coil
11 4-Way Valve Assy
12 Right Side Plate
13 Valve Support Assy
14 Electronic Expansion Valve Assy
15 Valve Support Sub-Assy
16 Cut Off Valve
17 Cut Off Valve
18 Valve Cover
19 Electric Expand Valve Fitting
20 Electric Expand Valve Fitting
21 Temperature Sensor
22 Temperature Sensor
23 Wiring Clamp
24 Temperature Sensor
25 Rear Grill
26 Condenser Assy
27 Clapboard Assy
28 Coping
29 Supporting Board (Condenser)
30 Motor Support Sub-Assy
31 Fan Motor
32 Left Side Plate
33 Axial Flow Fan
34 Left Handle
35 Connecting Cable
36 Electric Box Assy
37 Electric Box
38 Radiator
39 Main Board

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.

Accessories

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