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Error Codes

The error code will be displayed on the wired controller and the main board of the outdoor
unit. The meaning of each error is as shown in the table below.

Error/Malfunction

The Indicator Display

Indoor

Display

Yellow Light

Red Light

Green Light

Compressor runs

Flash once

Defrost

Flash twice

Anti-freeze protection

Flash 3 times

IPM protection

Flash 4 times

AC over-current protection

Flash 5 times

Over-burden protection

Flash 6 times

Compressor exhaust high
temperature protection

Flash 7 times

Compressor overload protection

Flash 8 times

Power protection

Flash 9 times

EEPROM reads and write
protection

Flash 11 times

Low PN voltage protection

Flash 12 times

Over-voltage protection for PN

Flash 13 times

PFC Protection

Flash 14 times

PFC module temperature
protection

Flash 15 times

Low pressure protection

Flash 17 times

High pressure protection

Flash 18 times

Limit/decline frequency (electric
current)

Flash 1 time

Frequency limit (exhaust)

Flash 2 times

Frequency limit (over-burden)

Flash 3 times

Outdoor ambient sensor
malfunction

Flash 6 times

Outdoor tube sensor malfunction

Flash 5 times

Exhaust sensor malfunction

Flash 7 times

Attain the temperature of switch on

Flash 8 times

Frequency limit (power)

Flash 13 times

Outdoor fan malfunction

Flash 14 times

Frequency limit (PFC module
temperature)

Flash 15 times

PFC module sensor malfunction

Flash 16 times

Liquid pipe temperature sensor
malfunction of A

Flash 17 times

Gas pipe temperature sensor
malfunction of A

Flash 18 times

Liquid pipe temperature sensor
malfunction of B

Flash 19 times

Gas pipe temperature sensor
malfunction of B

Flash 20 times

15 Series Multi-Split

Содержание M4THM1518A

Страница 1: ...INSTALLATION INSTRUCTIONS FEATURING R 410A 15 SERIES Multi Split Inverter System Multi Split Outdoor Unit Heat Pump M4THM15 A 88 M4THM15 1B EN...

Страница 2: ...ns Attention Warnings and Cautions appear at appropriate sections throughout this literature Read these carefully WARNING Indicates a potentially hazardous situation which if not avoided could result...

Страница 3: ...trainers must be changed Do not break a vacuum with air Do not leak check the sealed system with compressed air Unless instructed by factory service representative external refrigeration driers are pr...

Страница 4: ...nt Piping and Connections 15 Refrigerant Piping at the Outdoor Unit 16 Piping Requirements 17 Refrigerant Piping Between the Indoor and Outdoor Units 18 Vacuum and Refrigerant Leakage Detection 20 Wir...

Страница 5: ...r to the installation specifications for additional requirements 5 Electrical work should be carried out in accordance with the installation manual and local state and National Electric Code NEC Insuf...

Страница 6: ...lectrical requirements will be met 5 Check the installation locations to ensure the weight of the units can be supported 6 Check the refrigerant pipe sizes and ensure they have been or will be install...

Страница 7: ...nits can be up to 1 5 times the nominal cooling capacity of the outdoor unit Note When the total capacity of the indoor units exceeds the total capacity of the outdoor unit the system will be restrict...

Страница 8: ...Five Units M4THM1542A15N 42 000 BTUH 9 9 12 18 9 9 9 9 12 24 12 12 24 9 9 9 9 9 9 12 24 9 12 18 18 9 9 9 9 9 9 9 9 18 18 9 12 12 24 9 9 12 9 18 18 12 18 18 9 9 9 12 9 9 18 18 9 18 18 18 9 9 9 9 12 9 9...

Страница 9: ...1518A12N M4THM1524A13N M4THM1530A14N M4THM1536A14N M4THM1542A15N M4MHW1512A1N 12K Btu h M4MHW1518A1N 18K Btu h M4MHW1524A1N 24K Btu h When the total capacity of the indoor units exceeds the total capa...

Страница 10: ...nforms to the clearance specifications in this manual 7 Locate the outdoor unit away from any bedroom windows NOTICE Installing the unit in one of the following locations could result in unit malfunct...

Страница 11: ...9 50 15 NOTES 1 The connection pipes should be insulated with proper water proof insulating material 2 Wall thickness of pipe 0 02 0 04 in 0 5 1 0 mm bearing pressure 435 PSI 3 0 MPa 3 Shorter connect...

Страница 12: ...xcessive heat from soldering brazing or welding with refrigerant vapors present can form highly toxic gases and extremely corrosive acids NOTICE System Component Damage Do not remove the seal caps fro...

Страница 13: ...inch mm Select the installation location that provides easy access to the indoor unit 1 Make sure the location can support at least four times the weight of the unit 2 Secure the outdoor unit on the...

Страница 14: ...r and deburring tool cut and deburr the refrigerant pipe 3 Remove the flare nuts at the stop valve of the outdoor unit and inside the accessory bag of the indoor unit put them onto the refrigerant pip...

Страница 15: ...the copper tubing into a bend 2 If the pipe is bent repeatedly at the same place it will break CAUTION Connect the gas pipe after connecting the liquid pipe completely Insulating the Refrigerant Pipin...

Страница 16: ...75 ft lbf 15 20 N m 3 8 9 52 22 25 29 50 ft lbf 30 40 N m 1 2 12 7 33 25 40 50 ft lbf 45 55 N m 5 8 15 9 44 25 47 75 ft lbf 60 65 N m Refrigerant Piping at the Outdoor Unit Tighten the flare nut of th...

Страница 17: ...equirements If the outdoor unit is installed lower than the indoor unit 1 A drain pipe should be above ground and the end of the pipe should not dip into water 2 Taping pipes must be done from bottom...

Страница 18: ...curate piping connections Refrigerant Piping Between the Indoor and Outdoor Units Charging Instructions M4THM1518A M4THM1524A M4THM1530A M4THM1536A M4THM1542A ft m ft m ft m ft m ft m Maximum total le...

Страница 19: ...2 L5 L1 Outdoor unit Height difference between indoor unit and outdoor unit H1 Height difference between indoor units H2 Indoor unit Indoor unit Equivalent length of the longest connection Lx 19 15 Se...

Страница 20: ...l refrigeration circuit to 350 microns or below and close off the valve to the vacuum pump If the pressure rises above 500 microns within one minute but not above 1500 microns within 5 minutes moistur...

Страница 21: ...MUST follow requirements for field wiring installation and grounding as described in the National Electrical Codes NEC and your local state electrical codes All field wiring MUST be performed by quali...

Страница 22: ...ps Stranded Wire Note Match the terminal block numbers and connection wire colors with those of the indoor units WARNING 1 Ensure power supplied to the equipment both indoor and outdoor units is disco...

Страница 23: ...cture To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in the National Electrical Codes NEC and your State and or local electrical codes All...

Страница 24: ...k hazard Do not ground the unit to a utility pipe arrester or telephone ground Incomplete ground may cause electrical shock or fire A high current surge from lightning or other sources may cause damag...

Страница 25: ...e power wiring match the unit requirements Improper wiring can create malfunction and fire or electrocution hazard 9 Are there any obstructions near the air inlets and air outlets for the indoor and o...

Страница 26: ...nger gas liquid separator inverter compressor discharge silencer discharge temperature sensor SP 4 way valve outdoor heat exchanger fan high pressure switch B heat exchanger C heat exchanger D heat ex...

Страница 27: ...r Unit Indoor Unit Heat Exchanger Heat Exchanger Heat Exchanger Heat Exchanger Heat Exchanger Heat Exchanger Heating Cooling Compressor Gas Liquid Separator Stop Valve Four way Valve Capillary Oil Sep...

Страница 28: ...s the connection cable should be put in from hole A and B 3 If connecting with three indoor units the connection cable should be put in from hole A B and C 4 If connecting with four indoor units the c...

Страница 29: ...unit D connection cable Outdoor unit Indoor unit L1 L2 L1 L1 L2 L2 N 1 2 3 N 1 2 3 N 1 2 3 N 1 2 3 A B C D power cable To unit B To unit A connection cable connection cable To unit C connection cable...

Страница 30: ...wiring diagram for the actual unit requirements Wiring Diagram 18K COMP 4YV than 30V to prevent the risk of electrical shock of terminal P DC and N DC at AP1 is higher Please don t touch any terminal...

Страница 31: ...N N1 L N E PE N2 3 3 2 terminal when the and N DC at AP1 is voltage of terminal P DC Please don t touch any WARNING higher than 30V to prevent the risk of electrical shock WARNING 2 3 3 N2 W W V U V...

Страница 32: ...20K TUBE A TUBE B TUBE C TUBE D EKV2 EKV3 EKV4 RT6 RT7 RT8 RT9 RT10 RT11 RT12 RT13 W1 W2 W3 W4 W5 W6 W7 W8 W9 W10 W11 W14 W15 W16 W17 W19 W20 W21 U V W W22 W23 W24 W25 W26 L XT5 XT4 XT3 XT2 XT1 LP OVE...

Страница 33: ...16 13 7 16 22 14 1 2 35 7 16 32 1 3 2 2 14 7 8 12 7 16 13 1 2 21 11 16 Unit inch Unit inch The dimensions in these drawings are rounded according to standard measurement The dimensions in these drawin...

Страница 34: ...5 9 16 40 42 13 16 24 7 8 17 3 8 14 1 4 15 13 16 43 7 16 Unit inch Unit inch 42K Units The dimensions in these drawings are rounded according to standard measurement The dimensions in these drawings a...

Страница 35: ...unit is running or after running The sound of the drainage system operating Cracking sound is heard when unit is operating and after operating This sound occurs when the unit panels expand or contract...

Страница 36: ...PFC Protection Flash 14 times HC PFC module temperature protection Flash 15 times oE Low pressure protection Flash 17 times E3 High pressure protection Flash 18 times E1 Limit decline frequency elect...

Страница 37: ...mes Liquid pipe temperature sensor malfunction of E Flash 25 times Gas pipe temperature sensor malfunction of E Flash 26 times Exit of the condenser tube sensor malfunction Flash 27 times Corresponden...

Страница 38: ...ely attached and that there is no visible damage to any of the electrical wiring 3 The batteries of the wireless remote controller have been replaced 4 The filter screen has been cleaned and replaced...

Страница 39: ......

Страница 40: ...Date September 2017 Supersedes 88 M4THM15 1A EN The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specifications without not...

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