manualshive.com logo in svg

Heat Controller MSH-01 2B/A, Service Manual, Page: 44 / 86

Share
Download
Heat Controller MSH-01 2B/A Service Manual Download Page 44

Summary of Contents for MSH-01 2B/A

Page 1: ...t System Air Conditioning Heat Pump Siervice i anua 0 Model MSS 009B A MSS 012B A MSH 01 2B A MSS 018B A MSH 0186 A MSS 024B A MSH 024B A CAUTION Before servicing the unit read the safety precautions...

Page 2: ...iring Diagram 11 Operation Details 14 Test Mode 22 Display Function 23 Self diagnosis Function 23 Installation 24 Operation 41 Disassembly of the Parts Indoor Unit 43 Cycle Troubleshooting Guide 49 El...

Page 3: ...ing only Cooling Model DOOR Soft Dry Operation Mode Intemrittent operation of fan at low speed Sleep Mode Auto Control The fan is switched to low Cooling med Heating speed The trait will be stopped af...

Page 4: ...ed High 411M Room Temperature Display 1k High 98OF LOW 54 F Temperature Setting e Cooling Down to 64 F Heating Down to 60 F Up to 86 F Up to 86 F Setting the Time orTimer Timer Selectlon OFF ON OFF ON...

Page 5: ...es es Timer 24hr OrVOff 24hr On 011 24hr OrVOff 24hr On Off Sleep Operation Yes Yes Yes es SitDryOperation Yes Yes Yes Yes Restart Delay minutes 3 3 3 3 Refrgerant R 22 Charge g oz 740 261 1 200 42 3...

Page 6: ...nual Manual Manual Remocon Type Wireless LCD Wireless LCD Wireless LCD Sefti Te rature Range CoDlinMode 64 86 F 64 86 F 64 86 F Heating Mode 60 86 F 60 86 F 60 86 F Temperature Increment 2 F 2 F 2 F A...

Page 7: ...0 Dimensions 1 Indoor Unit Tubing hole cover I hole cover DIM MODEL 9k 12k 18k 24k w mm inch 900 35 4 1 080 42 5 H mm inch 290 11 4 290 11 4 D mm inch 183 7 2 183 7 2 7 jz _ Installation plate...

Page 8: ...21 8 655 25 8 D mm inch 262 10 3 320 12 6 L1 mm inch 339 13 3 370 14 6 L2 mm inch 37 1 5 25 1 0 L3 mm inch 543 6 21 4 630 24 8 L4 mm inch 11 4 0 45 25 1 0 L5 mm inch 591 23 3 546 21 5 L6 mm inch 105...

Page 9: ...Rated Max 9k 12k Cooling Only 112 1 4 7 62m 25ft 15m 5oft 5m 16ft 8m 26ft 18k 24k Cooling Only 7 62m 25ft 15M Soft 5m 16ft 8m 26ftj For installation over rated a proper an of refrigerant should be ad...

Page 10: ...ft 5m 16ft 8m 26tt 18k 24k CodkV aHeating 5 8 g 8 7 62m 25ft 15m 50ft Sm 16ft 8m 26ft For installation over rated a proper ant of refrigerant should be added for each foot of Ex 18K When installed at...

Page 11: ...DOWN CN MOTOR THERMISTOR PIPE v MAIN P C B U fl a i m X m j a O N 0 g INDOOR WIRING DIAGRAM BLDC CN UPIDOINN ON MOTOR x r t U MAIN P C B m C a N 3 f a rn O INDOOR WIRING DIAGRAM r_ BL 4 _ z RDD 2 y 3...

Page 12: ...9k 12k 2 18k 3 24k EuEr les msnl 4nl 11y A 1 row GfOKOt 3 Eq O Eq BL Bq EA SK BL i 1 K q 5 L I Bq 1 2 2 1 5611 Ely CONK a m V V V 1W 19gCDd1ENf lOWG NIIR OUTDOOR WIRING DIAGRAM x5unro ro 12 L J 0 V v...

Page 13: ...Cooling Heating Models 1 12k 2 18k 3 24k 13 U...

Page 14: ...the ON OFF Button to operate the unit 2nd Press the Airflow Direction Control Button to swing the vertical louver up and down automatically 3nd Repress the Airflow Direction Control Button to set the...

Page 15: ...Operation Condition Intake air Temperature Setting Temperature Fan Speed Air Direction Control Over78 F 770F Over 760F below 78 F Intake air 1 C In this mode When Auto Operation initial start Over 72...

Page 16: ...ver 68 F below 70 F over 86 F Setting terrp 68 F Intake air temperature 1 F 86 F Auto Operation for Heating only Heating Model Compressor ON temperature Setting temperature Compressor OFF temperature...

Page 17: ...oling operation When the room temperaturefalls between the compressor ON temperature and OFF temperature the opera tion mode is switched to the Soft Dry Operation The operation diagram Is shown below...

Page 18: ...ON OFF A point While the indoor pipe temperature is higher than 95 F indoor fan operates at low speed When the indoor pipe temperature becomes lower than 95 F indoor fan stops B point When the indoor...

Page 19: ...or pipe temperature rises over WF even if before 12 minutes The second defrost starts only when the outdoor pipe temperature falls below 21 F after 60 minutes passed from ending of the first defrost a...

Page 20: ...ours 30 minutes 30 minutes INTAKE AIR TEMP 2 F 2 F SETTING TEMP 1 F Compressor ON SETTING TEMP 1 F Compressor OFF More than More tha 16 73minutes 3 minutes INDOOR FAN SPEED Low Low Low Low Low COMPRES...

Page 21: ...in low fan speed for first 15 seconds then switched to proper operation mode according to intake air temperature Press the Forced Operation Button Operation r ICJ Press the Forced Operation Button onc...

Page 22: ...ot on all Models 8 Times push Negative Ion ON Not on all Models 9 Times push Reset Note For normal operation after checking by test mode you should reset main power 2 Outdoor Once push Ignore Communic...

Page 23: ...pressed Two short beep When Forced Operation Button is pressed Two Short beep Self diagnosis Function CODE NO DIAGNOSIS Operation Indicator LED Blinks Unit Operation O Indoor room temperature thermis...

Page 24: ...e this systerrl Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highlydangerous electrical voltages are used h this system Carefully referto the wi...

Page 25: ...direct sunlight or rain exposure be careful that heat radiation from the condenser is not restricted There should not be any animals or plantswhich could be affected by hot air discharged Ensure the...

Page 26: ...l 2 Drill the piping hole with 70mm 2 75 dia holecore drill Drill the Piping hole at eitherthe right or the left and the hole should be slightly slanted to the outdoor side IMMM Avoid areas where elec...

Page 27: ...at the end of copper pipe with a flare lool See illustration Tubing to be flared should extend sightly above flaring block to allow sufficient metal to form satisfactory flare Amount to allow is about...

Page 28: ...in hose straight backwards 4 Insert the connecting cable into the indoor unit through the piping hole Do not connect the cable to the indoor unit Make a small loop with the cable for easy connection l...

Page 29: ...the connecting portion CAUTION Take care to arrange the pipings drain hose and cables as the picture on page 25 for inserting h Into the indoor unit and refixing the tubing holder easily 9 Insulation...

Page 30: ...g hole as desired position Tubing To remove the holder press the bottom of chassis near the holder upward and pull the tab out of its hole fPress 4 Insert the pipings power supply cord and connecting...

Page 31: ...e flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow...

Page 32: ...h 11 Indoor unit installation Hook the indoor unit onto the upper portion of installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate En...

Page 33: ...n the required length for wiring 7 Use lock nuts to secure the condult tubes Outdoor unit Gas side piping Bigger Dia Torque wrench Wiring Digram connectin cable Low wRa Indoor Una Outdoor Unit TermMat...

Page 34: ...tion A fire hazard may also exist Therefore be sure all wiring is tightly connected When connecting each power wire to the corresponding terminal follow instructions How to connect wiring to the termi...

Page 35: ...side of the grille toward you slightly tilted and lift it straight upward Four tabs on the top inside edge of chassis are clear of their slots Outside drain hose should be lower than inside The end o...

Page 36: ...re to referto thewiring diagram label inside the cover control and carry out the correct field wiring Wrong wiring can cause the unit to misoperate to result in a fire hazard Check local electrical co...

Page 37: ...to up 3 Form the pipings gathered by taping along the exterior wall and fix it onto the wall by saddle or equivalent In case of the Outdoor unitbeing installed above position oftheIndoor unit 2 Tape t...

Page 38: ......

Page 39: ......

Page 40: ...outside ambient airtemperature 3 For reference the gas side pressure ofoptimum condition is as Below Outside ambient TEMP The Pressure of the gas side service valve 35 C 95 F 4 Skg om2 56 8 71 0 P S...

Page 41: ...peration Mode Soft Dry Operation Mode ON Timer Button Used to set the time of starting operation MG OFF Timer Button Used to set the time of stopping operation Time Setting Button Used to adjust the t...

Page 42: ...eration Mode Heating Operation Mode Heat Pump Only ON Timer Button Used to set the time of starting operation OFF Timer Button Used to set the time of stopping operation Time Setting Button Used to ad...

Page 43: ...e Remove the securing screws To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward 2 To remove the Control Box Remove the thermis...

Page 44: ...e control box out from the chassis carefully 3 To remove the Discharge Grille Remove the securing screw Pull the discharge grille out from the chassis carefully 4 To remove the Evaporator Remove two s...

Page 45: ...Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Pull the left end of the cross flow fan with the self aligning bearing out the groove Remove the cross flow fan by...

Page 46: ...ecuring screws at the bottom of grille To remove the Grille pull the lower left and right side of the grille toward you Slightly tilted and lift it straight upward 2 To remove the Control Box Remove t...

Page 47: ...g upper sides of motor 3 To remove the Discharge Grille Remove a screw on the left side of chassis Pull the right side of the discharge grille out from the chassis first and left side carefully 4 To r...

Page 48: ...of the chassis and pull the evapo rator toward you 5 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor shaft do not remove Pull the left end of the cross flow...

Page 49: ...depends on room air humidity When the room air humidity is relatively higher temperature difference is smaller When the room air humidity is relatively lower temperature difference is larger 2 Check t...

Page 50: ...nnector related to CN FAN Connector contacting of Outdoor Fan Compressor Display PWB Ass y Check Connector related to CN DC DC Check each load Indoor Outdoor Fan Motor Compressor Stepping Motor and co...

Page 51: ...the low speed by force Cause bythe remcle controller Caused by other parts except the remote controller When the mark EJ is displayed in LCD screen replace battery Check the contact of CN DISP connec...

Page 52: ...1 K R12 1 OK R13 6 2K R14 1 OK Micom No 55 indoor unit Check the indoortemperature sensor is disconnected or not About 101Q2 at 25 C When the temperature around Outdoor PWB Ass y is above 163 F the co...

Page 53: ...CM CONNECTOR in condition of indoor unit PWB Outdoor unit corresponds tothe Assy values in the table of page 51 NO yF S Check the patterns and the Check the connecting consl cond nions of outdoor unit...

Page 54: ...ndition on PWB of CN UP DOWN Connector I Check the operating circuit of the Vertical Louver Confirm that there is DC 12V between pinp RED of CN UP DOWN and GND Confirm that there is a soldering short...

Page 55: ...lso operating with the remote controller then taking above 2 minutes U Apply the power again after about 10 seconds by the power of Outdoor unit is off Check for the communication error and the operat...

Page 56: ...t smoothly operate CN DISP Open It does not operate with a remote controller The operation indicator blinks once On for 0 5 second Open Ott ior 3 seconds The compressor and the outdoor fan stop The in...

Page 57: ...torof outdoor unit blinks 5times after 2 O O minutes with applying the power The beep sound such as beep beep beep beep 0 Blue beep oocurs periodically in Indoor unit Black Connecting error The signal...

Page 58: ...O O N O O O M N O 0 r m p m V Q O M O N N p N C O C N O O O O p LL O O O O N O N G r O O N O O O O N m 3 J r N p n N O C p N O o m N r 0 D O N N O N N_ O N N N O O r N O f Z N j Q _ _ O N N N r O r N...

Page 59: ...ress ease eees eses s0ee see C82 Cosa a C41 0 O O t o G C0 42 a see eee U 35 b RIS Q MiCMI CO1 a O r0 C03 B93 0 J tE eHa e a a R90 C02 R99 9IC2 29122 eeo e a o O N9 0 0 IC 9 PWB ASSY SVC PART LIST Ct...

Page 60: ...Cal oez re snnma O 0 PWB ASSY SVC PART LIST OPTIONAL FUNCTION NO MODEL P No OR4 OR5 OR6 OR7 OR8 R15 R81 FUSE HFAmi MAY nrfiw NAY Fm CWTH 1 12k Hea rg Model 2011 0010 20K 20K 15K OPEN 0 0 0 0 0 0 2 12k...

Page 61: ...U U R ASM LDt ftn O O LD O LD2 LD4 6046AQ302OA 3 DISPLAY PWB ASSY 9k 12k P No 6047AQ3021 E 18k 24k LD1 LD2 i 7 CN MAIN LD3 LD4 P C B 6870AQ3241A REMOCN RECEIVER ASM 6870AQ3149A PINo 6871A03149A 61 J...

Page 62: ...Schematic Diagram n u 62...

Page 63: ...n U 63...

Page 64: ...Exploded View Replacement Parts List 1 Indoor Unit 9k 12k C e n B A A J n U 64...

Page 65: ...2 1 2014 0001 1 1 9 PWBASSY MAIM 2011 0002 1 2011 0001 1 1 10 PILLAR TERMINAL 2019 0001 1 1 1 11 PWB ASSY DISPALY 2011 0011 1 1 1 12 CONTROLBOX 2021 0004 1 1 1 13 CONTROLLER ASSY 2011 0014 1 2011 0013...

Page 66: ...2 Indoor Unit 18k 24k 0 66...

Page 67: ...EMOTE CONTROLLER 2019 0024 1 1 2019 0025 1 1 9 THERMISTOR ASSY 2014 0002 1 1 1 1 10 PWB ASSY MAIN 2011 0004 1 1 2011 0003 1 1 11 TERMINAL BLOCK 2019 0001 1 1 1 1 12 PWB ASSY DISPLAY 2011 0012 1 1 1 1...

Page 68: ...I Outdoor Unit 9k 12k o Yf 7DDD MM I cD n M co I Tom i L _ m m m m mm _ 7 r 68 n J r _J...

Page 69: ...HEXAGON NUT 1 2040 0008 3 3 3 10 SUPPORT VALVE 2021 0009 1 1 1 11 SERVICE VALVE 1 4 2033 0001 1 1 2033 0002 1 12 SERVICE VALVE 1 2 2033 0003 1 1 1 13 REVERSING VALVE 2034 0001 1 14 REVERSING COIL 2034...

Page 70: ...12A service parts 26 BARRIER 2021 0070 1 1 1 27 TOP COVER ASM 2021 0014 1 1 1 28 REAR PANEL 2021 0013 1 1 1 29 PANEL 2021 0015 1 1 1 30 COVER CONTROL 2021 0016 1 1 1 31 CAP 2040 0045 2 2 2 32 CAPILLAR...

Page 71: ...n L A 9 4 Outdoor Unit 18k 4 o 0 1 0...

Page 72: ...VALVE 5 8 2033 0005 1 1 10 SUPPORT VALVE 2021 0072 1 1 11 HIGH PRESSURE SJW 2015 0001 1 12 REVERSING COIL 2034 0003 1 13 REVERSING VALVE 2034 0004 1 14 TERMINAL BLOCK 2019 0004 1 1 15 TERMINAL BLOCK...

Page 73: ...means PART No MSS 018A MSH 018A service parts 27 FAN MOTOR 2010 0004 1 1 28 MOUNT MOTOR 2021 0021 1 1 29 EXTRA FAN 2050 0001 1 1 30 BARRIER ASM 2021 0075 1 1 31 PANEL FRONT ASM 2021 0076 1 1 32 COVER...

Page 74: ...5 Outdoor Unit 24k eCIA i 171 0 E 74...

Page 75: ...HEATER 2019 0011 1 10 SERVICE VALVE 3 8 2033 0004 1 1 11 SERVICE VALVE 5 8 2033 0005 1 1 12 SUPPORT VALVE 2021 0073 1 1 13 HIGH PRESSURE S W 2015 0001 1 14 REVERSING COIL 2034 0003 1 15 REVERSING VAL...

Page 76: ...5 0004 1 2035 0006 1 27 PANEL 2021 0015 1 1 28 COVER CONTROL 2021 0020 1 1 29 CAP 2040 0045 1 2 30 FAN MOTOR 2010 0004 1 1 31 MOUNT MOTOR 2021 0021 1 1 32 EXTRA FAN 2050 0001 1 1 33 BARRIER ASM 2021 0...

Page 77: ...0002 1 2014 0001 1 1 9 PWB ASSY MAIN 2011 0002 1 2011 0001 1 1 10 PILLAR TERMINAL 2019 0001 1 1 1 11 PWB ASSY DISPALY 2011 0011 1 1 1 12 CONTROL BOX 2021 0004 1 1 1 13 CONTROLLER ASSY 2011 0014 1 2011...

Page 78: ...OTE 2019 0024 1 1 CONTROLLER 2019 0025 1 1 9 THERMISTOR ASSY 2014 0002 1 1 1 1 10 PWBASSY MAIN 2011 0004 1 1 2011 0003 1 1 11 TERMINAL BLOCK 2019 0001 1 1 1 1 12 PWB ASSY DISPLAY 2011 0012 1 1 1 1 13...

Page 79: ...9 HEXAGON NUT 1 2040 0008 3 3 3 10 SUPPORT VALVE 2021 0009 1 1 1 11 SERVICE VALVE 1 4 2033 0001 1 1 2033 0002 1 12 SERVICE VALVE 112 2033 0003 1 1 1 13 REVERSING VALVE 2034 0001 1 14 REVERSING COIL 2...

Page 80: ...012A senriceparts 26 BARRIER 2021 0070 1 1 1 27 TOP COVER ASM 2021 0014 1 1 1 28 REAR PANEL 2021 0013 1 1 1_ 29 PANEL 2021 0015 1 1 1 30 COVER CONTROL 2021 0016 1 1 1 31 CAP 2040 0045 2 2 2 32 CAPILLA...

Page 81: ...ICE VALVE 5 8 2033 0005 1 1 10 SUPPORT VALVE 2021 0072 1 1 11 HIGH PRESSURE S W 2015 0001 1 12 REVERSING COIL 2034 0003 1 13 REVERSING VALVE 2034 0004 1 14 TERMINAL BLOCK 2019 0004 1 1 15 TERMINAL BLO...

Page 82: ...ART No MSS 018A MSH 018A service pans 27 FAN MOTOR 2010 0004 1 1 28 MOUNT MOTOR 2021 0021 1 1 29 EXTRA FAN 2050 0001 1 1 30 BARRIER ASM 2021 0075 1 1 31 PANEL FRONT ASM 2021 0076 1 1 32 COVER TOP 2021...

Page 83: ...7 1 1 9 SUMP HEATER 2019 0011 1 10 SERVICE VALVE 3 8 2033 0004 1 1 11 SERVICE VALVE 5 8 2033 0005 1 1 12 SUPPORT VALVE 2021 0073 1 1 13 HIGH PRESSURE S W 2015 0001 1 14 REVERSING COIL 2034 0003 1 15 R...

Page 84: ...ENT 2035 0004 1 2035 0006 1 27 PANEL 2021 0015 1 1 28 COVER CONTROL 2021 0020 1 1 29 CAP 2040 0045 1 2 30 FAN MOTOR 2010 0004 1 1 31 MOUNT MOTOR 2021 0021 1 1 32 EXTRA FAN 2050 0001 1 1 33 BARRIER ASM...

Page 85: ...U U Specifications and performance data subject to change without notice 0 HEAT CONTROLLER INC 1900 WELLWORTH AVENUE JACKSON MICHIGAN 49203 THE QUALITYLEADER IN CONDITIONINGAIR...

Page 86: ...0 0...

Reviews:

No comments