Mitsubishi PKH-1.6GKL Technical & Service Manual Download Page 16

Page: 16 / 68

REFRIGERANT SYSTEM DIAGRAM

Indoor

heat

exchanger

Indoor unit

Refrigerant pipe

(option)

15.88mm( 5/8")

(with heat insulator)

Refrigerant pipe

(option)

9.52mm( 3/8")

(with heat insulator)

Flexible tube

Flared

connection

Strainer

Ball

valve

Ball valve

(with Service port)

Oil separator

4-way valve

Service

port

Service

port

High pressure

control switch

Accumulator

Compressor

Strainer

Restrictor

valve

Outdoor heat exchanger

Outdoor coil

thermistor

(TH)

Pipe

temperature

thermistor

(RT2)

PKH-1.6, 2 (O.D.3.2 I.D.1.8 L500)

PUH-1.6 (O.D.3.2 I.D.1.8 L400)

PUH-2 (O.D.4.0 I.D.2.0 L430)

Distributor

with

strainer

Capillary

tube

Capillary

tube

Restrictor

valve

Strainer

Bypass

valve

Outdoor unit

PKH-1.6GKL, PKH-1.6GKLH / PUH-1.6VKA

PKH-2GKL, PKH-2GKLH / PUH-2VKA

Unit : mm

<-Way valve solenoid coil>

Heating ON

Cooling OFF

Refrigerant flow in cooling
Refrigerant flow in heating

OC229A

Summary of Contents for PKH-1.6GKL

Page 1: ...IONAL PARTS 63 Indoor unit ON OFF Remote controller Indoor unit Model names Service Ref PKH 1 6GKL PKH 1 6GKLH PKH 2GKL PKH 2GKLH No OC229 REVISED EDITION A October 2012 Revision The indicated No of C...

Page 2: ...r than that specified Doing so may cause a burst an explosion or fire when the unit is being used serviced or disposed of Correct refrigerant is specified in the manuals and on the spec labels provide...

Page 3: ...operation mode is in effect TEMP button SET TEMPERATURE button sets any desired room temperature display SET TEMP display indicates desired tempera ture set CLOCK display Displays the current time di...

Page 4: ...kW A A kW kW m3 7 CFM in in in kg lbs kg lbs L PKH 1 6GKL PKH 1 6GKLH Cooling 4 500 15 350 1 51 0 07 0 33 0 40 1 44 6 74 Heating 4 650 5 450 15 900 18 600 1 48 2 28 0 07 0 87 0 33 3 66 0 40 3 73 1 41...

Page 5: ...A A kW kW m3 7 CFM in in in kg lbs kg lbs L PKH 2GKL PKH 2GKLH Cooling 5 500 18 800 2 27 0 07 0 33 0 40 2 20 9 86 Heating 6 250 7 050 21 300 24 100 2 29 3 09 0 07 0 87 0 33 3 66 0 40 3 73 2 22 9 95 P...

Page 6: ...4415 4706 5010 5327 4415 4706 5010 5327 4415 4706 5010 5327 SHC W 2914 2541 2104 3267 2918 2505 3621 3294 2906 2450 3974 3671 3307 2877 4151 3859 3507 3090 4327 4047 3708 3303 4415 4424 4108 3729 441...

Page 7: ...1 4750 3899 4167 4451 4750 3899 4167 4451 4750 SHC W 2573 2250 1869 2885 2583 2225 3197 2917 2581 2185 3509 3250 2937 2565 3665 3417 3116 2755 3821 3583 3294 2945 3899 3917 3650 3325 3899 4167 4006 37...

Page 8: ...0 55 0 99 0 87 0 75 0 63 1 00 0 95 0 83 0 71 P C 1 82 1 86 1 89 1 82 1 86 1 89 1 82 1 86 1 89 1 93 1 82 1 86 1 89 1 93 1 82 1 86 1 89 1 93 1 82 1 86 1 89 1 93 1 82 1 86 1 89 1 93 1 82 1 86 1 89 1 93...

Page 9: ...5 3193 4717 4431 4080 3658 4765 4838 4515 4122 P C 2 34 2 40 2 46 2 34 2 40 2 46 2 34 2 40 2 46 2 53 2 34 2 40 2 46 2 53 2 34 2 40 2 46 2 53 2 34 2 40 2 46 2 53 2 34 2 40 2 46 2 53 2 34 2 40 2 46 2 53...

Page 10: ...5 952 5 724 5 560 8 000 7 693 7 473 P C 1 61 1 73 1 86 2 49 2 68 2 87 10 5 0 Service Ref Indoor intake air D B C PKH 1 6GKL PKH 1 6GKLH PKH 2GKL PKH 2GKLH 5 Outdoor intake air W B C 10 15 2 HEATING CA...

Page 11: ...0 87 0 33 3 66 0 40 3 73 Cool 5 500 2 27 0 07 0 33 0 40 2 20 9 86 45 Heat 2 22 9 95 45 PKH 2GKL PKH 2GKLH PUH 2VKA2 Outdoor unit Indoor unit Mode Capacity W Total Input kW Input kW Current A Starting...

Page 12: ...29 3 09 1 48 2 28 0 33 9 86 9 95 87 93 51 54 4 2 5 5 27 20 19 15 11 7 45 4 35 7 24 6 0 69 0 12 1 50 1 50 240 240 PUH 2VKA2 C C C C BF SHF C D B D B W B D B W B C C C m MPa kg cm2 MPa kg cm2 Outdoor si...

Page 13: ...INUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQUENCIES Hz PKH 1 6 2GKL PKH 1 6 2GKLH Hi NOTCH Lo 43 SPL dB 36 LINE 6 NOISE CRIT...

Page 14: ...le Details of installation plate 49 5hole for tapping screw Knockout hole for right rear piping Right rear piping hole Unit center 14 14hole Knockout hole for 425 420 170 190 210 230 0 322 0 35 55 80...

Page 15: ...15 15 5 WIRING DIAGRAM PKH 1 6GKL PKH 2GKL PKH 1 6GKLH PKH 2GKLH The black square indicates a switch position OC229A...

Page 16: ...control switch Accumulator Compressor Strainer Restrictor valve Outdoor heat exchanger Outdoor coil thermistor TH Pipe temperature thermistor RT2 PKH 1 6 2 O D 3 2 I D 1 8 L500 PUH 1 6 O D 3 2 I D 1 8...

Page 17: ...eater OFF Compressor OFF Fan STOP Four way valve OFF MAIN OPERATION w1 In addition the centralized control and remote control can be operated w2 The modes which indicate the sources of trouble are lis...

Page 18: ...ection detection temperature 1 C or lower YES NO 6 minute time delay 3 minute time delay Coil frost prevention release Allowance period 6 minute time delay Allowance set 1 min continue Coil frost prot...

Page 19: ...e set Compressor OFF Indoor piping 35 C or higher HOT adjust 5 min elapse FAN SPEED Low FAN SPEED Low 2 min elapse FAN SPEED setting notch Hot adjust release PKH GKLH Type 3 minute Auxiliary heater OF...

Page 20: ...perature is below 6 C the fan speed changes to LOW mode It is not possible to set the fan speed with the remote controller DRY OPERATION DRY operation Four way valve OFF Initial dry operation Room tem...

Page 21: ...OFF Self diagnostic function Independent Control of Outdoor Unit OUTPUT to indoor unit INPUT from indoor unit INPUT to remote controller Remote controller board Processes and transmits orders OUTPUT t...

Page 22: ...IT CONTROL 2 1 COOL operation 1 Compressor control 1 3 minute time delay To prevent overload the compressor will not start within 3 minutes after stop 2 The compressor runs when room temperature is hi...

Page 23: ...tart up of COOL operation It can then be changed by the remote controller a Stop mode fixed operation i At start up of COOL operation the auto vane is set to 10 degrees airflow direction ii Discharge...

Page 24: ...ontinuously operated for 3 minutes if the difference between the pipe temperature and room temperature is out of RANGE C for 1 minute the indoor fan speed will turn to LOW Five minutes later if the di...

Page 25: ...eed LOW speed ON ON OFF OFF CLOSE CLOSE OFF OFF OFF Operation starts by P O WE R b u tt on ON Operation stops by POWER button OFF Room temperature becomes equal to set temperature Room temperature ris...

Page 26: ...more min utes and then stop for 3 minutes If the room temperature thermistor reads below 24 C with thermostat ON the compressor will stop for 3 minutes If the thermostat is OFF regardless of room temp...

Page 27: ...n HEAT operation STANDBY The STANDBY symbol is displayed from heating operation start until the heated air begins to blow and during the defrost operation ON OFF CHECK ADDRESS UNIT No FUNCTION No SELE...

Page 28: ...ly the indoor fan runs on EXTRA LOW speed When 5 minutes have passed or the indoor coil temperature exceeds 35 C the fan speed changes to LOW Two minutes later the hot adjustment ends Then the fan spe...

Page 29: ...g the allowance defrosting ends and the hot adjustment starts If the difference does not enter RANGE A during the allowance the outdoor unit is deemed abnormal ii During compressor ON in defrosting Af...

Page 30: ...lows Mode change HEAT COOL When room temperature becomes 2 degrees above the set temperature the operation mode can not be changed for 15 minutes degree To 2 To Set temperature 19 28 To 1 To To 1 To 2...

Page 31: ...HEAT operation discharge direction depends on the setting of the last operation After it can be changed to another direction with VANE button The discharge direction shifts to 10 regardless of the re...

Page 32: ...to Nrm Note Point the remote controller toward the inside unit s receiver while steps 3 though 7 It is not possible to run the unit in FAN or DRY mode How to operate 1 Press the ON OFF button to turn...

Page 33: ...king release the protective function before starting the emergency operation CAUTION When the self diagnostic function indicates a check code of P5 drain pump malfunction DO NOT start the emergency op...

Page 34: ...nnecting wire 0 13mm or over Circuit breaker field supplied Connecting wire solid wire 1 6 or 2 0 field supplied Power supply 220 240V AC Circuit breaker WHT WHT N DAMPER DAMPER RED LOW HIGH ORN WHT W...

Page 35: ...heat pump SW1 2 Not for use SW1 3 Switch to change the temperature to start coil frost prevention OFF 1 C ON 3 C SW1 4 Switch for set temperature adjustment in HEAT mode During HEAT operation warm ai...

Page 36: ...hase controlled indoor fan motor Address setting is available at any time The initial setting is based on each capacity Service Ref SW7 PKH 2GKL PKH 2GKLH 1 2 3 ON OFF PKH 1 6GKL PKH 1 6GKLH 1 2 3 ON...

Page 37: ...again the compressor will stop running and the check mode will start 3 The protective function is memorized 4 The memory is cleared when the POWER ON OFF button on the remote controller is turned OFF...

Page 38: ...t a c The same as above a c in item A d Total time of compressor operation exceeds defrost interval Further information on the defrost interval is described in 3 C After the total time of compressor o...

Page 39: ...2 When the compressor operates with the bypass valve at ON for more than 30 minutes the bypass valve turns OFF 3 When the compressor stops with the bypass valve at OFF the bypass valve turns ON and re...

Page 40: ...SW3 setting is changed 3 The compressor stops 4 Defrosting operation starts 3 Function of switches on the outdoor controller board SW1 Clears the check code memory push button switch SW2 Switches the...

Page 41: ...If the display centrally controlled disappears replace the original remote controller If the display remains the same replace the indoor controller board When remote controller POWER button is turned...

Page 42: ...LESS REMOTE CONTROLLER Buzzer sound 1 second 0 5 second interval Beep The number of ON OFF lamp Unit display blinking This corresponds to the number of buzzer sound Remove the battery cover on the bac...

Page 43: ...e check code EO means the following conditions The unit address displayed on the remote controller does not apply to any unit power is not supplied to the unit Signal transmitting receiving circuit is...

Page 44: ...ump 1 Malfunction of drain pump 2 Damaged drain sensor P6 Freezing protection overheating protection is working 1 Short cycle of air cycle 2 Dirty air filter 3 Damaged fan 4 Abnormal refrigerant 1 Cle...

Page 45: ...t state and check code alternately When SW2 is turned On with SW3 1 OFF and SW3 2 ON the compulsory defrosting starts SW3 Output state indication items depend on the combination of SW3 1 ON OFF and SW...

Page 46: ...ressor operation time indication SW2 is not available 3 4 Check code indication When a protection function works for the first time during operation the operation stops and restarts after the 3 minute...

Page 47: ...1C function 51C was connected incorrectly 51C was working Check 51C the compressor and power supply LD6 Thermal switch 26C function 26C was connected incorrectly 26C is working Check 26C Check if refr...

Page 48: ...on stops 9 minutes later check code P8 appears on remote controller display HEAT OFF Operation stops ON Operation stops 27 minutes later check code P8 appears on remote controller display Outdoor Indo...

Page 49: ...ected Remote controller ter minal block is poorly connected Vane motor is damaged Vane motor relay is damaged Refer to check code on remote controller display See page 44 Indoor controller is damaged...

Page 50: ...2 5 1 Red C White Black Relay connector Protector Parts name Check points 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Thermistor for lower temperature Temperature Resistance K Thermistor Characteristic gr...

Page 51: ...the LCD of the remote controller This is available for both one unit control and several units control 4 Individual con trol by grouping remote controllers See page 54 Unit Remote controller Unit Uni...

Page 52: ...ure to set SW2 correctly following the instructions below 1 Each lever of SW2 shows the number as follows SW2 1 1 SW2 4 8 SW2 2 2 SW2 5 16 SW2 3 4 SW2 6 32 2 Total number of levers turned to ON shows...

Page 53: ...lers If one of the remote control lers is used for the self diagnostic function the other remote controller displays the check mode If the self diagnostic function is reset by either of the two remote...

Page 54: ...by each remote controller w2 After all units stop together if SW2 is turned OFF each unit can be individually started by each remote controller Grouping the remote controllers allows individual contro...

Page 55: ...Lamp GL Check Lamp Field supplied parts Relays 12V DC with rated coil power consumption below 0 9W Lamps Matching to power supply voltage CN51 connector 5P GREEN Power supply Electrical insulation is...

Page 56: ...he screw 3 caps then remove the set 3 screws 4 After removing the lower side of the front panel a little remove it as pulling toward upper 3 REMOVING THE INDOOR CONTROLLER BOARD 1 Remove the terminal...

Page 57: ...ASSEMBLY 1 Disconnect the connector CN6V on the controller board 2 Disconnect the lead wire of the vane motor 3 Remove the corner cover 4 Pull the drain hose out from the nozzle assembly 5 Unhook the...

Page 58: ...7 6 Remove the 2 screws and the pipe fixture 7 Remove the 2 screws and heat exchanger Photo 12 Heat exchanger Set screw Pipe fixture Set screws Photo 9 9 REMOVING THE FAN MOTOR 1 Remove the terminal b...

Page 59: ...wireless remote controller 3 Remove the front panel See Photo 1 4 Remove the 2 screws and signal receiving P C board cover 5 Remove the signal receiving P C board OPERATION PROCEDURE PHOTOS ILLUSTRAT...

Page 60: ...W FAN RUBBER MOUNT BEARING SUPPORT SLEEVE BEARING BEARING MOUNT MOTOR SUPPORT NOZZLE PIPE TEMPERATURE THERMISTOR GUIDE VANE VANE MOTOR DRAIN HOSE INDOOR CONTROLLER BOARD FUSE DRAIN PLUG TERMINAL BLOCK...

Page 61: ...R COVER GUIDE VANE ARM FAN GUARD HEATER ELEMENT INSULATOR HEATER THERMAL SWITCH THERMAL FUSE THERMAL FUSE WIRERLESS ADAPTER CONTROLLER BOARD CONTROLLER COVER CONTROLLER CASE TERMINAL COVER ELECTRICAL...

Page 62: ...1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 No Parts No Parts Name Specifications 1 6GKLH 2GKLH PKH 1 6GKL 2GKL PKA Remarks Drawing No Wiring Diagram Symbol Recom mended Q ty R01 8...

Page 63: ...ndoor and outdoor units are made open the stop valve on the outdoor unit to allow refrigerant gas to flow If piping length exceeds 30m an additional charge of refrigerant is needed Note 2 The followin...

Page 64: ...S M T W enabling to set the week day Set back can be done in the range of 1 2 4 6 and 8 C WEEKLY TIMER SW Used for setting timer in day of week unit DAILY TIMER SW Used for timer setting in 30 minutes...

Page 65: ...all connected units either by steady lighting or by flashing POWER ON OFF switch Operation ON OFF switch BACK AHEAD buttons These buttons are used to designate the attached unit s They designate the...

Page 66: ...BACK ACTIVE BYPASS POWER ON OFF DUAL CENTRAL AHEAD ENGAGED GROUP ACTIVE BYPASS GROUP SELECTION PROGRAM TIMER CONTROLLER OPERATION DUAL CENTRAL 1 2 3 4 5 6 7 8 9 10 10 9 8 7 6 5 4 3 2 1 Dip switch SW1...

Page 67: ...rap Wiring has to be changed when 200V power supply is used Tie wrap Transmission cord TRANSFORMER TERMINAL BLOCK FOR POWER SUPPLY TERMINAL BLOCK FOR TRANSMISSION SW1 CN22 CN1 CN21 CN51 CN30CN42 CN50...

Page 68: ...ted in Aug 2000 NO OC229 525 Made in Japan New publication effective Oct 2012 Specifications are subject to change without notice 7 Wired Remote Controller with terminal block 8 Program Timer Part No...

Search results

Summary of Contents for PKH-1.6GKL

Reviews:

Related manuals for PKH-1.6GKL

Brands by name

Popular brands

Mitsubishi PKH-1.6GKL, Technical & Service Manual

Search results

Summary of Contents for PKH-1.6GKL

Reviews:

Related manuals for PKH-1.6GKL

Brands by name

Popular brands