Difference between revisions of "A16CM4H4R18"

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A16CM4H4R18 is the 16 SEER, 18,000 Btu dual zone multi split unit.  
 
A16CM4H4R18 is the 16 SEER, 18,000 Btu dual zone multi split unit.  
 +
[[File:Multi-cond.png|thumb|right|Multi Split Condenser]]
 +
== Wiring Diagram==
 +
[[File:Multi-18K-ODU-WD.jpg|none|thumb|500px|A16CM4H4R18 Wiring Diagram]]
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== Exploded View and Parts List ==
 +
[[File:Multi-18K-ODU-EV.jpg|thumb|500px|A16CM4H4R18 Exploded View]]
 +
{| class="wikitable"
 +
! Number
 +
! Part Name
 +
|-
 +
| 1
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| Front Grill
 +
|-
 +
| 2
 +
| Cabinet
 +
|-
 +
| 3
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| Chassis Sub-Assy
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|-
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| 4
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| Drainage Joint
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|-
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| 5
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| Compressor Gasket
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|-
 +
| 6
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| Compressor and Fittings
 +
|-
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| 7
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| Magnet Coil
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|-
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| 8
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| 4-Way Valve Assy
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|-
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| 9
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| Temperature Sensor
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|-
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| 10
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| Temperature Sensor
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|-
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| 11
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| Cut-Off Valve
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|-
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| 12
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| Cut-Off Valve
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|-
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| 13
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| Block
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|-
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| 14
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| Handle Assy
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|-
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| 15
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| Electric Expand Valve Fitting
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|-
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| 16
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| Electric Expand Valve Fitting
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|-
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| 17
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| PFC Inductance
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|-
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| 18
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| Clapboard Sub-Assy
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|-
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| 19
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| Temperature Sensor
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|-
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| 20
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| Rear Grill
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|-
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| 21
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| Condenser Assy
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|-
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| 22
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| Top Cover
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|-
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| 23
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| Motor Support Sub-Assy
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|-
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| 24
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| Left Side Plate
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|-
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| 25
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| Electric Box Assy
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|-
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| 26
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| Fan Motor
 +
|-
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| 27
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| Axial Flow Fan
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|}
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== Piping Sizes ==
 +
{| class="wikitable"
 +
! Liquid Side
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! Gas Side
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! Evaporators
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|-
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| 1/4"
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| 3/8"
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| A16EM4H4R09 <br />A16EM4H4R12
 +
|-
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| 1/4"
 +
| 1/2"
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| A16EM4H4R18
 +
|}
 
== Malfunction Indicator ==  
 
== 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.
 
Note: When several malfunctions occur at the same time, they will be displayed in circulation and every malfunction is displayed for 5 seconds.
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|-  
 
|-  
 
| 9  
 
| 9  
−
| PFC protection (including PFC overheating protection)
+
| [[PFC Protection Malfunction (Multi ODU)|PFC protection (including PFC overheating protection)]]
 
| off  
 
| off  
 
| off  
 
| off  
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|-
 
|-
 
| 14
 
| 14
−
| Compressor desynchronizing
+
| [[Compressor Desynchronizing Malfunction (Multi ODU)|Compressor desynchronizing]]
 
| blinking
 
| blinking
 
| on  
 
| on  
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| blinking
 
| blinking
 
|}
 
|}
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== 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.
 +
* [[Capacity Charging Malfunction (Multi ODU)|Capacity Charging Malfunction]]
 +
* [[Anti-High Temperature and Overload Malfunction (Multi ODU)|Anti-High Temperature and Overload Malfunction]]
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* [[Temperature Sensor Malfunction (Multi ODU)| Temperature Sensor Malfunction]]
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* [[Start Failure Malfunction (Multi ODU)|Start Failure Malfunction]]
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* [[Communication Malfunction (Multi ODU)|Communication Malfunction]]
 +
* [[Compressor Overload/Discharge Protection Malfunction (Multi ODU)|Compressor Overload/Discharge Protection Malfunction]]
 +
== Accessories ==
 +
*[[Wall Bracket (QBR-19.5)]]
 +
*[[Universal Remote (QTH-4000)]]

Latest revision as of 14:37, 6 May 2014

A16CM4H4R18 is the 16 SEER, 18,000 Btu dual zone multi split unit.

Multi Split Condenser

Wiring Diagram

A16CM4H4R18 Wiring Diagram

Exploded View and Parts List

A16CM4H4R18 Exploded View
Number Part Name
1 Front Grill
2 Cabinet
3 Chassis Sub-Assy
4 Drainage Joint
5 Compressor Gasket
6 Compressor and Fittings
7 Magnet Coil
8 4-Way Valve Assy
9 Temperature Sensor
10 Temperature Sensor
11 Cut-Off Valve
12 Cut-Off Valve
13 Block
14 Handle Assy
15 Electric Expand Valve Fitting
16 Electric Expand Valve Fitting
17 PFC Inductance
18 Clapboard Sub-Assy
19 Temperature Sensor
20 Rear Grill
21 Condenser Assy
22 Top Cover
23 Motor Support Sub-Assy
24 Left Side Plate
25 Electric Box Assy
26 Fan Motor
27 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.

Accessories

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