Difference between revisions of "Air-Con Multi Split"

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−
This is the support page for the Air-Con multi split line. Here you will find information pertaining to common issues with the multi split units.
+
This is the support page for the 22-21 SEER Air-Con Multi Split line. If you're looking for our 16 SEER models please visit the [[Air-Con Multi Split 16 SEER]] page.  
−
== Indoor Units ==  
+
{{Infobox
−
* [[A16EM4H4R09]]
+
|
−
* [[A16EM4H4R12]]
+
| bodyclass = infobox
−
* [[A16EM4H4R18]]
+
| name = Multi Split Series
 +
| title      = Multi Split Series
 +
| subheader  = Multi Zone Mini Split Line
 +
| image = [[File:New-Multi-Logo.png|center|300px]]
 +
 +
| header1 =
 +
| label1 = Voltage
 +
| data1 = 220V
 +
| header2 =
 +
| label2 = SEER Rating
 +
| data2 = 21-22
 +
| header3 =
 +
| label3 = Capacities (Outdoor Unit)
 +
| data3 = 18,000 - 42,000 BTU
 +
| header4 =
 +
| label4 = Capacities (Indoor Unit)
 +
| data4 = 9,000 - 24,000 BTU
 +
| header5 =
 +
| label5 = Heat Pump?
 +
| data5 = Yes
 +
| header6 =
 +
| label6 = Model Sold From
 +
| data6 = June 2017 - Present
 +
}}
 +
== Indoor Units (Wall Mount Type) ==  
 +
* [[AMTEM4H4R09]]
 +
* [[A16EW4H4R09]] (Legacy)
 +
* [[AMTEM4H4R12]]  
 +
* [[A16EW4H4R12]] (Legacy)
 +
* [[AMTEM4H4R18]]
 +
* [[A16EW4H4R18]] (Legacy)
 +
* [[A16EW4H4R24]]
 +
 
 +
== Indoor Units (Cassette Type) ==
 +
* [[A16EC4H4R12]]
 +
* [[A16EC4H4R18]]
 +
* [[A16EC4H4R24]]
 +
== Indoor Units (Ducted Type)==
 +
* [[A16EK4H4R12]]
 +
* [[A16EK4H4R18]]
 +
* [[A16EK4H4R24]]
 +
== Indoor Units (Floor & Ceiling Type)==
 +
* [[A16EL4H4R09]]
 +
* [[A16EL4H4R12]]
 +
* [[A16EL4H4R18]]
 +
* [[A16EL4H4R24]]
 +
 
 
== Outdoor Units ==  
 
== Outdoor Units ==  
−
* [[A16CM4H4R18]]
+
* [[AMTCM4H4R18]]
−
* [[A16CM4H4R24]]
+
* [[AMTCM4H4R24]]
−
* [[A16CM4H4R36]]
+
* [[AMTCM4H4R30]]
−
* [[A16CM4H4R39]]
+
* [[AMTCM4H4R36]]
−
== Malfunction Indicators ==
+
* [[AMTCM4H4R42]]
 +
== Possible Combinations ==  
 +
These are the recommended indoor-outdoor unit combinations.
 
{| class="wikitable"
 
{| class="wikitable"
−
| NO.
+
| Zones
−
| Malfunction description
+
| Outdoor Unit
−
| LED1
+
| Indoor Units
−
| LED2
+
| Indoor Units
−
| LED3
+
| Indoor Units
−
| LED4
+
| Indoor Units
 +
| Indoor Units
 +
| Indoor Units
 +
| Indoor Units
 +
| Indoor Units
 
|-
 
|-
−
| 0
+
| rowspan="2"| Dual Zone
−
| Normal stop
+
| rowspan="2"| AMTCM4H4R18
−
| off
+
| A16EW4H4R09
−
| off
+
| A16EW4H4R09
−
| off
+
| A16EW4H4R18
−
| off
+
|
 +
|
 +
|-
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
|
 +
|
 +
|
 +
|-
 +
| rowspan="3"| Tri Zone
 +
| rowspan="3"| AMTCM4H4R24
 +
| A16EW4H4R09
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
| A16EW4H4R09
 +
| A16EW4H4R18
 +
|-
 +
| A16EW4H4R09
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
| A16EW4H4R12
 +
|
 +
|-
 +
| A16EW4H4R09
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
| rowspan="4"| Quad Zone
 +
| rowspan="4"|
 +
* AMTCM4H4R30
 +
* AMTCM4H4R36
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
| A16EW4H4R12
 +
| A16EW4H4R09
 +
| A16EW4H4R18
 +
|-
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
| A16EW4H4R12
 +
| A16EW4H4R09
 +
| A16EW4H4R18
 +
|-
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
| A16EW4H4R09
 +
| A16EW4H4R18
 +
|
 +
|-
 +
| A16EW4H4R09
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
| rowspan="5"| Quint Zone
 +
| rowspan="5"| AMTCM4H4R42
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
| A16EW4H4R09
 +
| A16EW4H4R09
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
| A16EW4H4R18
 +
| A16EW4H4R09
 +
|-
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
| A16EW4H4R09
 +
| A16EW4H4R09
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
| A16EW4H4R18
 +
| A16EW4H4R12
 +
|-
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
| A16EW4H4R12
 +
| A16EW4H4R12
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
| A16EW4H4R12
 +
| A16EW4H4R18
 +
|-
 +
| A16EW4H4R09
 +
| A16EW4H4R12
 +
| A16EW4H4R18
 +
| A16EW4H4R12
 +
| A16EW4H4R12
 +
| A16EW4H4R09
 +
|
 +
|
 +
|-
 +
| A16EW4H4R09
 +
|
 +
|
 +
|
 +
|
 +
|
 +
|
 +
| 
 +
|-
 +
|}
 +
* ''Note: Each indoor unit combination is viewed as a column.''
 +
* ''Note: Both quad zone outdoor units are capable of the same combinations but make your judgement on the correct one to use based on room size.''
 +
* ''Note: There are more possible combinations than those listed above. Please use proper capacity judgment when making multi-split combinations.''
 +
 
 +
== Error Codes ==
 +
{| class="wikitable"
 +
| Error Code
 +
| Error Description
 +
|-
 +
| U8
 +
| Zero Cross Detection Circuit Malfunction (Indoor Unit)
 +
|-
 +
| C5
 +
| Malfunction Protection of Jumper Cap (Indoor Unit)
 +
|-
 +
| H6
 +
| Indoor Unit Motor Feedback (Indoor Unit)
 +
|-
 +
| F1
 +
| Indoor Ambient Temperature Sensor is Open/Short Circuited
 +
|-
 +
| F2
 +
| Indoor Evaporator Temperature Sensor is Open/Short Circuited
 +
|-
 +
| B5
 +
| Liquid Valve Temperature Sensor is Open/Short Circuited
 
|-  
 
|-  
−
| 1  
+
| B7
−
| Compressor run
+
| Gas Valve Temperature Sensor is Open/Short Circuited
−
| on
+
|-
−
| off
+
| P7
−
| off
+
| Modular Temperature Sensor is Open/Short Circuited
−
| off
+
|-
−
|-  
+
| F3
−
| 2
+
| Outdoor Ambient Temperature Sensor is Open/Short Circuited
−
| Compressor overload protection
+
|-
−
| blinking
+
| F4
−
| off
+
| Outdoor Condenser Middle Pipe Temperature Sensor is Open/Short Circuited
−
| off
+
|-
−
| off
+
| F5
 +
| Outdoor Discharge Temperature Sensor is Open/Short Circuited
 +
|-
 +
| E6
 +
| Communication Malfunction
 +
|-
 +
| U1
 +
| Phase Current Detection Circuit Malfunction
 +
|-
 +
| P8
 +
| Module High Temperature Protection
 +
|-
 +
| F0
 +
| Insufficient Refrigeration System Protection
 +
|-
 +
| PU
 +
| Capacitor Charging Malfunction
 +
|-
 +
| E1
 +
| High Pressure System Protection
 +
|-
 +
| E3
 +
| Lower Pressure System Protection
 +
|-
 +
| H3
 +
| Compressor Overload Protection
 +
|-
 +
| LP
 +
| Indoor Units and Outdoor Units Are Incompatible
 +
|-
 +
| EE
 +
| Memory Chip Malfunction
 +
|-
 +
| DN
 +
| Wrong Connection of Communication Wire or Electronic Expansion Valve Malfunction
 +
|-
 +
| L3
 +
| Malfunction Protection of Outdoor Fan 1
 +
|-
 +
| DD
 +
| Wrong Connection of Communication Wire or Electronic Expansion Valve Malfunction Status Detected
 +
|-
 +
| E7
 +
| Mode Conflict
 +
|-
 +
| FO
 +
| Refrigerant Recycling Mode
 +
|-
 +
| AL
 +
| Cross Fan
 +
|-
 +
| H1
 +
| Defrosting or Oil Return in Heating Mode
 +
|-
 +
| LC
 +
| Compressor Failed to Start
 +
|-
 +
| E4
 +
| Compressor High Discharge Temperature Protection
 
|-
 
|-
−
| 3
+
| E8
−
| Discharge protection
+
| Overload Protection
−
| off
 
−
| on
 
−
| off
 
−
| off
 
 
|-
 
|-
−
| 4
+
| E5
−
| Outdoor unit overload protection
+
| Whole Unit Overcurrent Protection
−
| on
 
−
| on
 
−
| off
 
−
| off
 
−
|-
 
−
| 5
 
−
| High pressure protection
 
−
| blinking
 
−
| on
 
−
| off
 
−
| off
 
 
|-
 
|-
−
| 6
+
| P5
−
| Over current protection
+
| Compressor Phase Current Protection
−
| off
 
−
| blinking
 
−
| off
 
−
| off
 
−
|-
 
−
| 7
 
−
| IMP protection
 
−
| on
 
−
| blinking
 
−
| off
 
−
| off
 
 
|-
 
|-
−
| 8
+
| H7
−
| IMP overheating protection
+
| Compressor Desynchronizing
−
| blinking
 
−
| blinking
 
−
| off
 
−
| off
 
−
|-
 
−
| 9
 
−
| PFC protection (including PFC overheating protection)
 
−
| off
 
−
| off
 
−
| on
 
−
| off
 
 
|-
 
|-
−
| 10
+
| LD
−
| Phase current protection
+
| Compressor Phase-lacking/Phase-inverse Protection
−
| on
 
−
| off
 
−
| on
 
−
| off
 
−
|-  
 
−
| 11
 
−
| Over voltage protection
 
−
| blinking
 
−
| off
 
−
| on
 
−
| off
 
−
|-  
 
−
| 12
 
−
| Insufficient voltage protection
 
−
| off
 
−
| on
 
−
| on
 
−
| off
 
 
|-
 
|-
−
| 13
+
| H5
−
| Start failure
+
| IPM Modular Protection
−
| on
 
−
| on
 
−
| on
 
−
| off
 
 
|-
 
|-
−
| 14
+
| PL
−
| Compressor desynchronizing
+
| Direct Current Bus-Bar Low Voltage Protection
−
| blinking
 
−
| on
 
−
| on
 
−
| off
 
 
|-
 
|-
−
| 15
+
| PH
−
| Compressor phase-lacking protection
+
| Direct Current Bus-Bar High Voltage Protection
−
| off
 
−
| blinking
 
−
| on
 
−
| off
 
 
|-
 
|-
−
| 16
+
| HC
−
| Compressor phase current detection malfunction
+
| PFC Protection
−
| on
 
−
| blinking
 
−
| on
 
−
| off
 
 
|-
 
|-
−
| 17
+
| U7
−
| Memory chip mistake
+
| 4-Way Valve Abnormal
−
| blinking
+
|}
−
| blinking
+
* ''Note: To change from Celsius to Fahrenheit, power down remote, hold mode and down for 5 seconds.''
−
| on
+
== AHRI Certification Information ==
−
| off
+
{| class="wikitable"
 +
! Model Number
 +
! AHRI Number
 +
! Certification Type
 
|-
 
|-
−
| 18
+
| A16CM4H4R18
−
| DC power supply short-circuit
+
| 6970608
−
| off
+
| Non-Ducted Indoor Units
−
| off
 
−
| blinking
 
−
| off
 
 
|-
 
|-
−
| 19
+
| A16CM4H4R24
−
| Defrosting
+
| 6970623
−
| on
+
| Non-Ducted Indoor Units
−
| off
 
−
| blinking
 
−
| off
 
−
|-  
 
−
| 20
 
−
| Oil return
 
−
| blinking
 
−
| off
 
−
| blinking
 
−
| off
 
−
|-
 
−
| 21
 
−
| Complete unit frequency restriction protection
 
−
| off
 
−
| on
 
−
| blinking
 
−
| off
 
 
|-
 
|-
−
| 22
+
| A16CM4H4R36
−
| Complete unit frequency dropping protection
+
| 6970636
−
| on
+
| Non-Ducted Indoor Units
−
| on
 
−
| blinking
 
−
| off
 
 
|-
 
|-
−
| 23
+
| A16CM4H4R39
−
| Unit A frequency restriction or frequency dropping protection
+
| 6332649
−
| blinking
+
| Non-Ducted Indoor Units
−
| on
 
−
| blinking
 
−
| off
 
−
|-  
 
−
| 24
 
−
| Unit B frequency restriction or frequency dropping protection
 
−
| off
 
−
| blinking
 
−
| blinking
 
−
| off
 
 
|-
 
|-
−
| 25
+
| A16CM4H4R42
−
| Unit C frequency restriction or frequency dropping protection
+
| 7180449
−
| on
+
| Non-Ducted Indoor Units
−
| blinking
 
−
| blinking
 
−
| off
 
 
|-
 
|-
−
| 26
+
| AMTCM4H4R18
−
| Unit D frequency restriction or frequency dropping protection
+
| 10149864
−
| blinking
+
| Non-Ducted Indoor Units
−
| blinking
 
−
| blinking
 
−
| off
 
 
|-
 
|-
−
| 27
+
| AMTCM4H4R24
−
| Outdoor ambient temperature sensor protection
+
| 10149867
−
| off
+
| Non-Ducted Indoor Units
−
| off
 
−
| off
 
−
| on
 
 
|-
 
|-
−
| 28
+
| AMTCM4H4R30
−
| Outdoor tube temperature sensor protection
+
| 10149870
−
| on
+
| Non-Ducted Indoor Units
−
| off
 
−
| off
 
−
| on
 
 
|-
 
|-
−
| 29
+
| AMTCM4H4R36
−
| Discharge temperature sensor protection
+
| 10149873
−
| blinking
+
| Non-Ducted Indoor Units
−
| off
 
−
| off
 
−
| on
 
 
|-
 
|-
−
| 30
+
| AMTCM4H4R42
−
| IPM thermal resistance malfunction
+
| 10149876
−
| off
+
| Non-Ducted Indoor Units
−
| 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
+
| AMTCM4H4R18
−
| Unit C liquid pipe temperature sensor malfunction
+
| 10149865
−
| blinking
+
| Ducted Indoor Units
−
| 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
+
| AMTCM4H4R24
−
| Unit D gas pipe temperature sensor malfunction
+
| 10149868
−
| blinking
+
| Ducted Indoor Units
−
| off
 
−
| on
 
−
| on
 
 
|-
 
|-
−
| 39
+
| AMTCM4H4R30
−
| Unit A mode conflict
+
| 10149871
−
| off
+
| Ducted Indoor Units
−
| on
 
−
| on
 
−
| on
 
−
|-
 
−
| 40
 
−
| Unit B mode conflict
 
−
| on
 
−
| on
 
−
| on
 
−
| on
 
 
|-
 
|-
−
| 41
+
| AMTCM4H4R36
−
| Unit C mode conflict
+
| 10149874
−
| blinking
+
| Ducted Indoor Units
−
| 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
+
| AMTCM4H4R18
−
| Communication failure with Unit D
+
| 10149866
−
| on
+
| Mixed Ducted and Non-Ducted Indoor Units
−
| 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
+
| AMTCM4H4R24
−
| Unit C overheating prevention protection
+
| 10149869
−
| blinking
+
| Mixed Ducted and Non-Ducted Indoor Units
−
| 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
+
| AMTCM4H4R30
−
| Unit B communication wire misconnection or expansion valve malfunction
+
| 10149872
−
| blinking
+
| Mixed Ducted and Non-Ducted Indoor Units
−
| off
 
−
| off
 
−
| blinking
 
 
|-
 
|-
−
| 57
+
| AMTCM4H4R36
−
| Unit C communication wire misconnection or expansion valve malfunction
+
| 10149875
−
| off
+
| Mixed Ducted and Non-Ducted Indoor Units
−
| on
 
−
| off
 
−
| blinking
 
 
|-
 
|-
−
| 58
+
| AMTCM4H4R42
−
| Unit D communication wire misconnection or expansion valve malfunction
+
| 10149878
−
| on
+
| Mixed Ducted and Non-Ducted Indoor Units
−
| on
+
|-
−
| off
 
−
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''For the AHRI documentation please visit the [https://www.ahridirectory.org/ AHRI Directory] website.''
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== Document Downloads ==
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*[[:File:Multi_Split_22-21_SEER_Owners_Manual_18K.pdf|Outdoor Unit User Manual (18K)]]
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*[[:File:Multi_Split_22-21_SEER_Owners_Manual_24-36K.pdf|Outdoor Unit User Manual (24, 30, 36K)]]
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*[[:File:Multi_Split_22-21_SEER_Owners_Manual_42K.pdf|Outdoor Unit User Manual (42K)]]
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*[[:File:Multi-IDU_user_manual.pdf|Indoor Unit (Wall Mount) User Manual]]
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*[[:File:Multi_Split_22-21_SEER_Service_Manual_18-24K.pdf|Outdoor Unit Service Manual (18, 24K)]]
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*[[:File:Multi_Split_22-21_SEER_Service_Manual_30-42K.pdf|Outdoor Unit Service Manual (30, 36, 42K)]]
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*[[:File:Multi-Split-IDU-Service-Manual.pdf|Indoor Unit (Wall Mount) Service Manual]]
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*[[:File:Air-Con_Multi-II_Submittal_Sheet.pdf|Multi Split Submittal Sheet]]
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== Warranty Information ==
 
== Warranty Information ==
 +
Each Multi Split unit set has a warranty of 5 years for parts and 7 years for the compressor. If you need more information, please visit the Air-Con [[Warranty Policy]] page.

Latest revision as of 15:31, 16 March 2020

This is the support page for the 22-21 SEER Air-Con Multi Split line. If you're looking for our 16 SEER models please visit the Air-Con Multi Split 16 SEER page.

Multi Split Series
Multi Zone Mini Split Line
New-Multi-Logo.png
Voltage 220V
SEER Rating 21-22
Capacities (Outdoor Unit) 18,000 - 42,000 BTU
Capacities (Indoor Unit) 9,000 - 24,000 BTU
Heat Pump? Yes
Model Sold From June 2017 - Present

Indoor Units (Wall Mount Type)

Indoor Units (Cassette Type)

Indoor Units (Ducted Type)

Indoor Units (Floor & Ceiling Type)

Outdoor Units

Possible Combinations

These are the recommended indoor-outdoor unit combinations.

Zones Outdoor Unit Indoor Units Indoor Units Indoor Units Indoor Units Indoor Units Indoor Units Indoor Units Indoor Units
Dual Zone AMTCM4H4R18 A16EW4H4R09 A16EW4H4R09 A16EW4H4R18
A16EW4H4R09 A16EW4H4R12
Tri Zone AMTCM4H4R24 A16EW4H4R09 A16EW4H4R09 A16EW4H4R12 A16EW4H4R09 A16EW4H4R18
A16EW4H4R09 A16EW4H4R09 A16EW4H4R12 A16EW4H4R12
A16EW4H4R09
Quad Zone
  • AMTCM4H4R30
  • AMTCM4H4R36
 A16EW4H4R09 A16EW4H4R12 A16EW4H4R12 A16EW4H4R09 A16EW4H4R18
A16EW4H4R09 A16EW4H4R12 A16EW4H4R12 A16EW4H4R09 A16EW4H4R18
A16EW4H4R09 A16EW4H4R12 A16EW4H4R09 A16EW4H4R18
A16EW4H4R09
Quint Zone AMTCM4H4R42 A16EW4H4R09 A16EW4H4R12 A16EW4H4R09 A16EW4H4R09 A16EW4H4R09 A16EW4H4R12 A16EW4H4R18 A16EW4H4R09
A16EW4H4R09 A16EW4H4R12 A16EW4H4R09 A16EW4H4R09 A16EW4H4R09 A16EW4H4R12 A16EW4H4R18 A16EW4H4R12
A16EW4H4R09 A16EW4H4R12 A16EW4H4R12 A16EW4H4R12 A16EW4H4R09 A16EW4H4R12 A16EW4H4R12 A16EW4H4R18
A16EW4H4R09 A16EW4H4R12 A16EW4H4R18 A16EW4H4R12 A16EW4H4R12 A16EW4H4R09
A16EW4H4R09
  • Note: Each indoor unit combination is viewed as a column.
  • Note: Both quad zone outdoor units are capable of the same combinations but make your judgement on the correct one to use based on room size.
  • Note: There are more possible combinations than those listed above. Please use proper capacity judgment when making multi-split combinations.

Error Codes

Error Code Error Description
U8 Zero Cross Detection Circuit Malfunction (Indoor Unit)
C5 Malfunction Protection of Jumper Cap (Indoor Unit)
H6 Indoor Unit Motor Feedback (Indoor Unit)
F1 Indoor Ambient Temperature Sensor is Open/Short Circuited
F2 Indoor Evaporator Temperature Sensor is Open/Short Circuited
B5 Liquid Valve Temperature Sensor is Open/Short Circuited
B7 Gas Valve Temperature Sensor is Open/Short Circuited
P7 Modular Temperature Sensor is Open/Short Circuited
F3 Outdoor Ambient Temperature Sensor is Open/Short Circuited
F4 Outdoor Condenser Middle Pipe Temperature Sensor is Open/Short Circuited
F5 Outdoor Discharge Temperature Sensor is Open/Short Circuited
E6 Communication Malfunction
U1 Phase Current Detection Circuit Malfunction
P8 Module High Temperature Protection
F0 Insufficient Refrigeration System Protection
PU Capacitor Charging Malfunction
E1 High Pressure System Protection
E3 Lower Pressure System Protection
H3 Compressor Overload Protection
LP Indoor Units and Outdoor Units Are Incompatible
EE Memory Chip Malfunction
DN Wrong Connection of Communication Wire or Electronic Expansion Valve Malfunction
L3 Malfunction Protection of Outdoor Fan 1
DD Wrong Connection of Communication Wire or Electronic Expansion Valve Malfunction Status Detected
E7 Mode Conflict
FO Refrigerant Recycling Mode
AL Cross Fan
H1 Defrosting or Oil Return in Heating Mode
LC Compressor Failed to Start
E4 Compressor High Discharge Temperature Protection
E8 Overload Protection
E5 Whole Unit Overcurrent Protection
P5 Compressor Phase Current Protection
H7 Compressor Desynchronizing
LD Compressor Phase-lacking/Phase-inverse Protection
H5 IPM Modular Protection
PL Direct Current Bus-Bar Low Voltage Protection
PH Direct Current Bus-Bar High Voltage Protection
HC PFC Protection
U7 4-Way Valve Abnormal
  • Note: To change from Celsius to Fahrenheit, power down remote, hold mode and down for 5 seconds.

AHRI Certification Information

Model Number AHRI Number Certification Type
A16CM4H4R18 6970608 Non-Ducted Indoor Units
A16CM4H4R24 6970623 Non-Ducted Indoor Units
A16CM4H4R36 6970636 Non-Ducted Indoor Units
A16CM4H4R39 6332649 Non-Ducted Indoor Units
A16CM4H4R42 7180449 Non-Ducted Indoor Units
AMTCM4H4R18 10149864 Non-Ducted Indoor Units
AMTCM4H4R24 10149867 Non-Ducted Indoor Units
AMTCM4H4R30 10149870 Non-Ducted Indoor Units
AMTCM4H4R36 10149873 Non-Ducted Indoor Units
AMTCM4H4R42 10149876 Non-Ducted Indoor Units
AMTCM4H4R18 10149865 Ducted Indoor Units
AMTCM4H4R24 10149868 Ducted Indoor Units
AMTCM4H4R30 10149871 Ducted Indoor Units
AMTCM4H4R36 10149874 Ducted Indoor Units
AMTCM4H4R18 10149866 Mixed Ducted and Non-Ducted Indoor Units
AMTCM4H4R24 10149869 Mixed Ducted and Non-Ducted Indoor Units
AMTCM4H4R30 10149872 Mixed Ducted and Non-Ducted Indoor Units
AMTCM4H4R36 10149875 Mixed Ducted and Non-Ducted Indoor Units
AMTCM4H4R42 10149878 Mixed Ducted and Non-Ducted Indoor Units

For the AHRI documentation please visit the AHRI Directory website.

Document Downloads

Warranty Information

Each Multi Split unit set has a warranty of 5 years for parts and 7 years for the compressor. If you need more information, please visit the Air-Con Warranty Policy page.

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