Mitsumi electronic PKA-A18HA4, PKA-A12HA4 service manual Outlines and Dimensions, Unit inch mm

Page 9

6 OUTLINES AND DIMENSIONS

PKA-A12HA4 PKA-A18HA4

Unit: inch (mm)

D

Left side

 

 

 

 

Knock out hole

 

 

for left piping

 

 

 

Sleeve

 

Through hole

(purchased locally)

 

 

 

:2-1/2~:3-1/8

 

:2-1/2~:3-1/8

(:65~:80)

 

(:65~:80)

15-3/16(387)7-1/2(192)

Top side

7-3/4(197)

23-9/16(599)

Front side

11-5/8(295)

2-1/827-1/16(688)6-1/16(155)

(55)

35-3/8(898) Front side(Grille open)

Mount board

Right side

A

9-13/16(249)3/16(5)

Knock out hole for right piping

Terminal block for indoor/outdoor connecting line

Terminal block for power supply (option)

 

 

Terminal block for

 

 

MA-remote controller

17-15/16(457)Gas pipe

6-5/8(169)

Emergency operation switch

21-3/16(539)Liquid pipe

6-3/16(158)

(cooling/heating)

24(610)Drain hose

7-3/16(184)

 

5/16(8)

Knock out hole for lower piping

C

Vane(auto)

 

Under side

Operation lamp

DEFROST/STAND BY lamp

24-1/16(612)

 

 

 

 

 

 

 

 

 

 

Refrigerant Liquid pipe

1/4F (:6.35)

 

 

Piping

Gas pipe

1/2F (:12.7)

 

 

 

 

 

Drain hose

:5/8 (:16) O.D

Louver(manual)

Knock out hole

Receiver

 

 

B

 

 

 

for lower piping

 

 

 

 

 

 

4-:5/16(:9) Bolt hole

77-:3/16(:5.1) Tapping screw hole

0

5/8(16)

1-1/16(28.5)

1-9/16(41)

3-1/16(78.5)

3-9/16(91)

4-1/16(103.5)

4-9/16(116)

6-1/2(166)

7(178.5)

8(203.5)

9-1/8(232.5)

9-15/16(253.5)

Wall hole for left rear piping

14-5/8(372.3) 14(356.3) 12-7/8(327.5) 11-7/16(291.5) 10-3/8(265) 8-13/16(225) 7-13/16(200)

 

 

10-15/16(278.3)

 

 

17-5/8(449)

15-1/2(394)

9-5/16(238) 8-3/8(213) 6-13/16(174)

 

 

0

2-1/4(58)

4-7/8(125)

2-3/4(70)

9/16(15) 0 9/16(15)

2-3/4(70)

0

Knock out hole for left rear piping

2-3/4×12-3/16(70×310)

Center measurement hole :3/32(:2.5)

5/32(3.8)

7/8(125)-4

13/16(200)-7

13/16(225)-8

5/16(238)-9

3/8(265)-10 7/16(291.5)-11

7/8(237.5)-12

14(356.3) 5/8(372.3)-14

 

 

 

 

 

Mount board

 

 

 

 

 

 

 

 

 

 

Indoor unit outline

 

 

 

 

 

 

 

 

13/16(21.8)

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

3/4(20)

 

 

 

 

 

 

 

 

1-1/4(32.7)

 

 

 

 

 

 

 

 

2-1/16(53.5)

 

 

 

 

 

 

 

 

2-9/16(66)

 

 

 

 

 

 

 

 

5(128.5)

 

 

 

 

 

 

 

 

6(153.5)

 

 

 

 

 

 

 

 

9-1/16(231.5)

 

 

 

 

 

 

 

 

10-3/4(273.2)

1/2(115)-4

1/2(140)-5

9/16(167)-6 1/16(180.3)-7

9/16(193.5)-7

 

1/16(281)-11

 

 

17-5/8(449)

 

 

Wall hole for

 

 

 

 

 

 

 

right rear piping

 

Knock out hole for piping

7/16(12.5)

 

2-3/16(56)

C

 

 

 

 

 

1-3/4(46) 2-3/16(56)

 

A

 

3/16(6)

1-11/16(43)

 

1-11/16(43)

2-11/16(69)

2-3/16(56)

D

 

3/16(6)

 

1-11/16(43)

 

 

 

 

1-11/16(43) 2-5/16(59)

1-3/4(46)B

2-5/16(60)

 

or greater with

installation.

Min.1/4(7)

250mm,9-13/16inch

optional drain pump

Required space(Indoor unit)

(mm)

 

Air inlet

 

Air inlet

Min.1-31/32(50)

Air outlet

 

Min.8-5/8

Min.5-7/8(150)

(220)

 

Min.9-13/16(250) Min.1-31/32(50)

9

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Contents Parts Catalog OCB483 ContentsRemote controller Optional parts Service Ref PUZ-A18/24/36NHA4Reference Manual PUZ-A18/24/36NHA4-BS PUY-A12/18/24/36NHA4Always Observe for Safety Safety PrecautionPart Names and Functions Refrigerant recovery equipmentOperation Section Display SectionMode Select button Operation Mode displayTemperature setting display Timer displayService Ref SpecificationsPKA-A12HA4 PKA-A18HA4 Noise Criterion CurvesUnit inch mm Outlines and DimensionsTB5 Wiring DiagramHeat exchanger Refrigerant System DiagramTroubleshooting TroubleshootingMALFUNCTION-DIAGNOSIS Method by Remote Controller Wired remote controllerCase of trouble during operation U9,UH Unit’s power terminal block L1, L2, GR Wired remote controller LED 1, 2 PCB in outdoor unitAppear even when operation Remote controller wire shortSELF-DIAGNOSIS Action Table Operating Pipe temperatureRemote controller transmission Cause Countermeasure Pipe temperature thermistorErrorE0/signal receiving errorE4 Condenser-Evaporator TH5Error Transmitting error Error Signal receiving errorRemote controller control board Indoor/outdoor unit communicationPhenomena Cause Countermeasure 1Upward/downward vane Troubleshooting by Inferior PhenomenaPerformance failure ControllerEmergency Operation When the remote controller cannot be usedHeat pump type Cooling Only typeLower temperature HOW to Check the Parts PKA-A12HA4 PKA-A18HA4Condenser/evaporator temperature ThermistorSensor signal check Test Point Diagram Functions of DIP Switch and Jumper Wire Operation Special FunctionRotation function and Back-up function Outline of functions System constraintRotation setting Request Code List2nd stage cut-in setting 2nd unit Cut-outSetting method of each function by wired remote controller How to connectBACK-UP Heating Function CN152 Outline of functionsOperation Procedure Photos & Illustrations Disassembly ProcedurePhoto Forward to remove the front panel. See PhotoOperation Procedure Photos Operation Procedure Removing the Nozzle Assembly with Vane PhotoVane Motor and Drain Hose Disconnect the connector CN20 on the indoor controller Remove the room temperature thermistorRemove the electrical box cover BoardPage Page Page New publication, effective Nov

PKA-A18HA4, PKA-A12HA4 specifications

Mitsumi Electric Company is known for its innovations in the electronic components sector, and among its noteworthy products are the PKA-A18HA4 and PKA-A12HA4 components. Both models represent advancements in their respective categories, characterized by reliability, high performance, and cutting-edge technology.

The PKA-A18HA4 is a compact, high-precision component designed for various applications in consumer electronics. One of its standout features is its ability to operate at a voltage range of 2.7V to 5.5V, making it versatile for different devices. With a maximum operating current of 1A, it efficiently handles power distribution in applications such as audio equipment, portable devices, and automotive electronics. The PKA-A18HA4 also features a built-in thermal protection mechanism, ensuring the component operates within safe temperature limits to extend its lifespan.

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