Phcbi MDF-C8V1 Service Manual

Phcbi MDF-C8V1 Service Manual

Ultra-low temperature freezer
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Service Manual
©2018 PHC Corporation
All rights reserved. Unauthorized copying
and distribution is a violation of law
Ultra-Low Temperature Freezer
PHC Corporation
Biomedical Div.

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Summary of Contents for Phcbi MDF-C8V1

  • Page 1 Service Manual Ultra-Low Temperature Freezer PHC Corporation Biomedical Div. ©2018 PHC Corporation All rights reserved. Unauthorized copying and distribution is a violation of law...
  • Page 2 Effective models This service manual is effective following models. Model name Product code Voltage and Frequency MDF-C8V1 823 012 51 115V 60Hz 823 012 52 220V 50Hz 823 012 53 220V 60Hz 823 012 54 220/230/240V 50Hz 823 012 55...
  • Page 3: Table Of Contents

    Contents P a g e S p e c i f i c a t i o n s - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - S t r u c t u r a l s p e c i f i c a t i o n s - C o n t r o l s p e c i f i c a t i o n s - P e r f o r m a n c e s p e c i f i c a t i o n s...
  • Page 4: Specifications

    Specifications Structural specifications Item Specifications External dimensions W 550 × D 685 (+83)* × H 945 mm Internal dimensions W 405 × D 490 × H 425 (mm) Effective capacity 84 L Exterior Painted steel Interior Painted steel Door Painted steel Insulation Cabinet;...
  • Page 5: Control Specifications

    Control specifications Item Specifications Cooling performance (1/2H temp, AT 30 , no load) Temperature control range -60 ~-80 (AT5~30 , no load) Temperature controller Microprocessor controlled system: Key-pad input Temperature set range: -55 ~-85 increment) Set value kept in non-volatile memory Temperature sensor Pt.1000 Temperature display...
  • Page 6: Performance Specifications

    Performance specifications Cooling performance -80 (ambient temperature; 30 , no load) Temp. control range to -80 (ambient temperature; 30 , no load) Rated voltage AC110V AC115V AC220V AC230V AC240V AC220V Rated frequency 60Hz 60Hz 50Hz 50Hz 50Hz 60Hz Rated power consumption 330W 340W 310W...
  • Page 7: Dimensions

    Dimensions...
  • Page 8: Cooling Unit Parts

    Cooling unit parts <MDF-C8V> Item Specifications Compressor 115V, 60Hz Type: C-2SN400L2W Compressor code: 807 780 22 220/230/240V,50Hz Type: C-2SN400L5W Compressor code: 807 780 25 Refrigerant oil Ze-NIUSL22SA Charged q’ty: 280cc Cooling system Forced air cooling Condenser Type Finless tube Cascade condenser Condenser 8 columns x 2 lines Coil pipe W200 mm x 8 columns...
  • Page 9: C O O L I N G C I R C U I T

    Cooling circuits...
  • Page 10: Components On Pcb

    Components on PCB...
  • Page 11: Electric Parts

    Electric Parts MDF-C8V1 AC115V, 60Hz AC220V, 60Hz AC220/230/240V, 50Hz Compressor Type C-2SN400L2W C-1RN40L6A C-1RN4L5C Compressor code 802 012 11 802 012 16 802 012 15 Rated voltage (50/60Hz) 1, 110~115V, 60Hz 1, 200V, 60Hz 1, 220~240V, 50Hz Winding resistance C-R(Main) 1.674 (25 )
  • Page 12: Specifications Of Sensor

    Specifications of sensor <502AT-1> Resistance Resistance Resistance Resistance Temp. Temp. Temp. Temp. Value (k ) Value (k ) Value (k ) Value (k ) 154.5 71.80 35.65 13.29 145.9 68.15 33.99 10.80 137.8 64.71 32.43 8.84 130.2 61.48 30.92 7.20 123.1 58.43 29.50...
  • Page 13 Wiring Diagram...
  • Page 14 Circuit Diagram...
  • Page 15 Connections on PCB Following is the explanation of connections on Main PCB. Connector Connects to Usage Voltage Switching power supply To supply the power to PCB #1:12V To connect with interface MTR-480 Option Remote alarm terminal #1: COM. Output for remote alarm contact #2: N.O.
  • Page 16 Control specifications Key and Switch BUZZER In alarm condition, buzzer stops sounding with this key pressed. Remote alarm output and alarm message would not be off. During the power failure (battery back-up), press the key to show chamber temperature. ALARM TEST With this key pressed to activate alarm test mode to be forcibly step into alarm condition (ALARM lamp blinks, intermittent buzzer sounds, digital LED goes off and remote alarm inputs).
  • Page 17 Unacceptable If you try to input F51~F59 and press SET key, the buzzer sounds to setting: inform the value is unacceptable. Error codes E01: Temp. sensor is disconnected E02: Temp. sensor is short-circuited E05: Comp. sensor is disconnected E06: Comp. sensor is short-circuited E09: Battery switch is OFF E10: Compressor temperature abnormality E15: Fan motor malfunction...
  • Page 18 Low temp. alarm When chamber temperature is equal or lower than setting temperature + low temp. alarm setting temperature - 1, ALARM lamp and digits are blinking, intermittent buzzer sounds with about 15 minutes of delay, and remote alarm output turns on. When chamber temperature is equal or higher than setting temperature, ALARM lamp and digits go off, buzzer stops sounding, and remote alarm output turns off.
  • Page 19 Function modes Automatically revert to chamber temperature display High temp. alarm setting Low temp. alarm setting Battery lifespan check Automatically revert to chamber temperature display Compressor delay time setting Service code input (code: 384) F07 * Temp. sensor Zero Adjustment F08 * Automatically revert to chamber temperature display F09 *...
  • Page 20 Input F17 and press SET key to display “001”. Change the value with key and key. Press SET key to store and revert to chamber temperature display. Model code ‘003’: MDF-C8V1 <Initial values in non-volatile memory> Zero adjustment for temp. sensor Compressor forcibly OFF : 8 min.
  • Page 21 F21: <Function> Serial communication ID setting <Operation> Input F21 and press SET key to display “000” (initial). Change the value in the range “001”~”255” with key and key. F22: <Function> Serial communication mode setting <Operation> input F22 and press SET key to display “000” (initial value) Change the value with key and key.
  • Page 22 F30: <Function> ROM version is displayed <Operation> Service code should be input in F06 prior to use this mode. Input F30 and press SET key to display alternately F30 with “X.XX” (present ROM version). Press SET key to revert to chamber temperature display. F32: <Function>...
  • Page 23 Prevention for oil logging in capillary tube Compressor is forcibly stop operation to prevent oil from being logged in capillary tube. Interval : Once every 12 hrs. Period : 8 min. Timing : 1) About 9 sec. of delay after compressor stops operation during cycle after 12 hrs has passed since the unit had started operation.
  • Page 24 (2) Examples of display Chamber temp. -79.5 Decimal point of chamber temp. -80.0 Set temp. -80.0 Sensor offset -4.9 Operation monitoring Function Error Service code Set value Accumulation time 8H timer 135 Key Lock (3) Buzzer specifications: Key operation: A click emitted if available Unacceptable input: Alarming tone emitted for 1 second...
  • Page 25 Parts layout Temp. sensor PT-1000> MDF-C8V1 <Control panel> <Opposite side of control panel> Main PCB Switching power supply Control PCB Display PCB...
  • Page 26 <How to access the Main PCB> 1. Catch the pick by screwdriver and pull the panel out. 2. Loosen tie band to set cables free. Pull Electric BOX out carefully. Tie band Electric BOX...
  • Page 27 <Lower back side> <Remote alarm> Battery switch Compressor <Lower left side> <Lower right side> Electric Box Expansion tank Condensing Battery fan motor Starting relay Temp.control relay Starting capacitor Power cord Running capacitor Breaker switch...
  • Page 28 Test data Note) These data are the reference only. AT30 Pull-down & Pull-up Temperture 1/2H 115V60Hz 1/2H 220V50Hz 1/2H 220V60Hz 1/2H (Pull-up -100 Time[hour]...
  • Page 29 AT30 Pull-down Temperture 115V60Hz 1/2H 115V60Hz EVA IN 115V60 EVA OUT 115V60 -100 Time[hour] AT30 Pull-down Temperture 220V50Hz 1/2H 220V50Hz EVA IN 220V50Hz EVA OUT 220V50Hz -100 Time[hour]...
  • Page 30 AT35 Pull-down Pressure 115V60H Pd (115V60Hz Ps (115V60Hz Time[hour] AT35 Pull-down Pressure 230V50Hz 220V60Hz 230V50Hz 220V60Hz 230V50Hz 220V60Hz Time[hour]...
  • Page 31 AT35 Pull-down Current-Input 115V60H Input 115V60Hz Current 115V60Hz Time[hour] AT35 Pull-down Current-Input 230V50Hz 220V60Hz Input 230V50Hz Input 220V60Hz Current 230V50Hz Current 220V60Hz Time[hour]...
  • Page 32 MDF-C8V1 Temperature Uniformity - 15points measured (Reference Data)
  • Page 33 Conditions Note:This data does not represent a guarantee of product performance. Ambient temperature: 20/30 Load: Unloaded Distribution data Temperature of the cycle in each area (SV=-80 air temperature) Unit: Ambient temperature 20 50Hz 60Hz Middle of Middle of Maximum Minimum Differential Maximum Minimum Differential cycle...
  • Page 34 Conditions Note:This data does not represent a guarantee of product performance. Ambient temperature: 20/30 Load: Unloaded Distribution data Temperature of the cycle in each area (SV=-70 air temperature) Unit: Ambient temperature 20 50Hz 60Hz Middle of Middle of Maximum Minimum Differential Maximum Minimum Differential cycle...
  • Page 37 Description of 'Function mode' in the chapter, Control specifications is misprinted. Correction is done as follow. Control specifications P.17 'Function mode' <Old> Model code '003': MDF-C8V1 <New> Model code '001': MDF-C8V1 RoHS This product does not contain any hazardous substances prohibited by the RoHS Directive.
  • Page 38 Category : ULTRA-LOW TEMP. FREEZER Date : 12 Nov. 2009 Model : Effective from : MDF-C8V1 Destination : REF : No. Issue Number : SM9910171 1) Descriptions of the chapter, Cooling unit parts, in page 5 are partially wrong. Correct descriptions are follow.
  • Page 39 FILE NO. PRODUCTION CHANGE SERVICE ADD INFORMATION PRODUCT IMPROVEMET Please add the following NOTICE to the Manuals listed below. ULTRA-LOW TEMP. FREEZER Feb.20, 2013 Category: Date: MDF-C8V1 Model: Destination: SM9910171 SM9910171 M-13-003-E188 M-13-003-E188 Ref No: Ref No: Issued No. Issued No.
  • Page 40 SERVICE FOR RoHs PRODUCT IMPROVEMET Please add the following NOTICE to the original manual, SM9910171. ULTRA-LOW TEMP. FREEZER Jun.8, 2015 Category: Date: MDF-C8V1 Model: Destination: SM9910171 E230 Ref No: Issued NOTICE This is the correction for the incorrect descriptions about "Reset of accumulation time" of fan motor in the page15 and 19 of Service Manual, SM9910171.
  • Page 41 FOR RoHS PRODUCT IMPROVEMET Please add the following NOTICE to the Manuals listed below. Ultra Low Temperature Freezer Jan. 6, 2016 Category: Date: MDF-C8V1 Model: SM9910171 E299 Ref No: Issued No. NOTICE This is the correction for the incorrect descriptions about "Refrigerant"...
  • Page 42 E301 Ref No: Issued No. NOTICE Because of parts discontinuance, below parts have been changed of Service Manual 1. Effective Models and Production MDF-C8V1-PK, PR S/N: 15100227~ 2. Change Description Contents Upon unit repair: - You should use 'MU-N49' - You shoud use 'MU-N49 or MU-N48' for servicing.
  • Page 43 FOR RoHS PRODUCT IMPROVEMENT Please add the following NOTICE to the Service Manuals listed below. Ultra Low Temperature Freezer May 30, 2016 Category: Date: MDF-C8V1 Model: SM9910171 E323 Ref No: Issued No. NOTICE Because of parts discontinuance, below parts have been changed.
  • Page 44 PRODUCT IMPROVEMENT Please add the following NOTICE to the Service Manuals listed below. Category: Date: Ultra Low Temperature Freezer Jan. 31, 2017 Model: MDF-C8V1 Ref No: Issued No. SM9910171 E418 NOTICE Because of parts discontinuance, below parts have been changed.
  • Page 45 Page 2 of 27 Cooling unit parts <MDF-C8V1> for HITACHI compressor Item Specifications Compressor 110/115V, 60Hz Type: RL4588-P1 Compressor code: 7FB-0-M101-020-02 220V, 60Hz Type: RL4588-R1 Compressor code: 7FB-0-M101-020-04 220/230/240V, 50Hz Type: RL4588-S1 Compressor code: 7FB-0-M101-020-03 Refrigerant oil Ze-NIUSL22SA Charged q’ty: 280cc...
  • Page 46 Page 3 of 27...
  • Page 47 Page 4 of 27 Electrical Parts For HITACHI compressor AC110/115V, 60Hz AC220V, 60Hz AC220/230/240V, 50Hz Type RL4588-P1 RL4588-R1 RL4588-S1 Compressor Compressor code 7FB-0-M101-020-02 7FB-0-M101-020-04 7FB-0-M101-020-03 Rated voltage (50/60Hz) φ1, 110~115V, 60Hz φ1, 220V, 60Hz φ1, 220~240V, 50Hz Winding resistance C-R(Main) 0.89Ω(25℃) 3.52Ω(25℃) 5.23Ω(25℃)
  • Page 48 Page 5 of 27...
  • Page 49 Page 6 of 27 MDF-C8V1 (1φ220V50Hz) AT30℃ Pull-down & Pull-up Temperture Pull-down(220V50Hz) Pull-up -100 Time[hour] AT35℃ Pull-down Temperture 1/2H (220V50Hz) EVA IN (220V50Hz) EVA OUT (220V50Hz) Pd[MPa] (220V50Hz) Ps[MPa] (220V50Hz) -100 -120 Time[hour] AT35℃ Pull-down Current-Input 1000 W (220V50Hz) A (220V50Hz)...
  • Page 50 Page 7 of 27 MDF-C8V1 (1φ230V 50Hz) AT30℃ Pull-down & Pull-up Temperture Pull-down(230V50Hz) Pull-up -100 Time[hour] AT35℃ Pull-down Temperture 1/2H (230V50Hz) EVA IN (230V50Hz) EVA OUT (230V50Hz) Pd[MPa] (230V50Hz) Ps[MPa] (230V50Hz) -100 -120 Time[hour] AT35℃ Pull-down Current-Input 1000 W (230V50Hz) A (230V50Hz)...
  • Page 51 Page 8 of 27 MDF-C8V1 (1φ240V 50Hz) AT30℃ Pull-down & Pull-up Temperture Pull-down(240V50Hz) Pull-up -100 Time[hour] AT35℃ Pull-down Temperture 1/2H (240V50Hz) EVA IN (240V50Hz) EVA OUT (240V50Hz) Pd[MPa] (240V50Hz) Ps[MPa] (240V50Hz) -100 -120 Time[hour] AT35℃ Pull-down Current-Input 1000 W (240V50Hz) A (240V50Hz)...
  • Page 52 Page 9 of 27 MDF-C8V1 (1φ110V 60Hz) AT30℃ Pull-down & Pull-up Temperture Pull-down(110V60Hz) Pull-up -100 Time[hour] AT35℃ Pull-down Temperture 1/2H (110V60Hz) EVA IN (110V60Hz) EVA OUT (110V60Hz) Pd[MPa] (110V60Hz) Ps[MPa] (110V60Hz) -100 -120 Time[hour] AT35℃ Pull-down Current-Input 1000 (110V60Hz) (110V60Hz) Time[hour]...
  • Page 53 Page 10 of 27 MDF-C8V1 (1φ115V 60Hz) AT30℃ Pull-down & Pull-up Temperture Pull-down(115V60Hz) Pull-up -100 Time[hour] AT35℃ Pull-down Temperture 1/2H (115V60Hz) EVA IN (115V60Hz) EVA OUT (115V60Hz) Pd[MPa] (115V60Hz) Ps[MPa] (115V60Hz) -100 -120 Time[hour] AT35℃ Pull-down Current-Input 1000 (115V60Hz) (115V60Hz) Time[hour]...
  • Page 54 Page 11 of 27 MDF-C8V1 (1φ220V 60Hz) AT30℃ Pull-down & Pull-up Temperture Pull-down(220V60Hz) Pull-up -100 Time[hour] AT35℃ Pull-down Temperture 1/2H (220V60Hz) EVA IN (220V60Hz) EVA OUT (220V60Hz) Pd[MPa] (220V60Hz) Ps[MPa] (220V60Hz) -100 -120 Time[hour] AT35℃ Pull-down Current-Input 1000 W (220V60Hz) A (220V60Hz)...
  • Page 55 Page 12 of 27 MDF-C8V1 Temperature Uniformity - 15points measured (Reference Data) ※TOP in the figure is that of the top surface of the inner lid CHAMBER 50mm HIGH 212.5mm RIGHT MIDDLE BACK FRONT FRONT 212.5mm 50mm BOTTOM 202.5mm 202.5mm...
  • Page 56 Page 13 of 27 MDF-C8V1(-PT) Internal Temperature Uniformity (Reference Data) <Conditions> Ambient temperature: 23/30℃ Load: Unloaded <Distribution data> Temperature of the cycle in each area (SV=-80℃、air temperature) Unit:℃ Ambient temperature 23℃ 110V 60Hz Middle of Maximum Minimum Differential cycle ①...
  • Page 57 Page 14 of 27 <Distribution data> Temperature of the cycle in each area (SV=-70℃、air temperature) Unit:℃ Ambient temperature 23℃ 110V 60Hz Middle of Maximum Minimum Differential cycle ① -67.5 -71.6 -69.6 ±2.1 Left back ② -68.0 -71.5 -69.8 ±1.8 Right back ③...
  • Page 58 Page 15 of 27 AT23℃ 110V60Hz SV=-80℃ ⑤ ⑩ ⑮ Time scale[min] AT23℃ 110V60Hz SV=-70℃ ⑤ ⑩ ⑮ Time scale[min] AT30℃ 110V60Hz SV=-80℃ ⑤ ⑩ ⑮ Time scale[min] AT30℃ 110V60Hz SV=-70℃ ⑤ ⑩ ⑮ Time scale[min]...
  • Page 59 Page 16 of 27 MDF-C8V1(-PA) Internal Temperature Uniformity (Reference Data) <Conditions> Ambient temperature: 23/30℃ Load: Unloaded <Distribution data> Temperature of the cycle in each area (SV=-80℃、air temperature) Unit:℃ Ambient temperature 23℃ 115V 60Hz Middle of Maximum Minimum Differential cycle ①...
  • Page 60: W I R I N G D I A G R A

    Page 17 of 27 <Distribution data> Temperature of the cycle in each area (SV=-70℃、air temperature) Unit:℃ Ambient temperature 23℃ 115V 60Hz Middle of Maximum Minimum Differential cycle ① -67.5 -71.6 -69.6 ±2.1 Left back ② -68.0 -71.5 -69.8 ±1.8 Right back ③...
  • Page 61 Page 18 of 27 AT23℃ 115V60Hz SV=-80℃ ⑤ ⑩ ⑮ Time scale[min] AT23℃ 115V60Hz SV=-70℃ ⑤ ⑩ ⑮ Time scale[min] AT30℃ 115V60Hz SV=-80℃ ⑤ ⑩ ⑮ Time scale[min] AT30℃ 115V60Hz SV=-70℃ ⑤ ⑩ ⑮ Time scale[min]...
  • Page 62 Page 19 of 27 MDF-C8V1(-PK/-PR) Internal Temperature Uniformity (Reference Data) <Conditions> Ambient temperature: 23/30℃ Load: Unloaded <Distribution data> Temperature of the cycle in each area (SV=-80℃、air temperature) Unit:℃ Ambient temperature 23℃ 220V 60Hz Middle of Maximum Minimum Differential cycle ①...
  • Page 63 Page 20 of 27 <Distribution data> Temperature of the cycle in each area (SV=-70℃、air temperature) Unit:℃ Ambient temperature 23℃ 220V 60Hz Middle of Maximum Minimum Differential cycle ① -67.1 -71.5 -69.3 ±2.2 Left back ② -67.1 -71.3 -69.2 ±2.1 Right back ③...
  • Page 64 Page 21 of 27 AT23℃ 220V 60Hz SV=-80℃ ⑤ ⑩ ⑮ Time scale[min] AT23℃ 220V 60Hz SV=-70℃ ⑤ ⑩ ⑮ Time scale[min] AT30℃ 220V 60Hz SV=-80℃ ⑤ ⑩ ⑮ Time scale[min] AT30℃ 220V 60Hz SV=-70℃ ⑤ ⑩ ⑮ Time scale[min]...
  • Page 65 Page 22 of 27 MDF-C8V1(-PE) Internal Temperature Uniformity (Reference Data) <Conditions> Ambient temperature: 23/30℃ Load: Unloaded <Distribution data> Temperature of the cycle in each area (SV=-80℃、air temperature) Unit:℃ Ambient temperature 23℃ 220V 50Hz 230V 50Hz 240V 50Hz Middle of Middle of...
  • Page 66 Page 23 of 27 <Distribution data> Temperature of the cycle in each area (SV=-70℃、air temperature) Unit:℃ Ambient temperature 23℃ 220V 50Hz 230V 50Hz 240V 50Hz Middle of Middle of Middle of Maximum Minimum Differential Maximum Minimum Differential Maximum Minimum Differential cycle cycle cycle...
  • Page 67 Page 24 of 27 AT23℃ 220V50Hz SV=-80℃ ⑤ ⑩ ⑮ Time scale[min] AT23℃ 220V50Hz SV=-70℃ ⑤ ⑩ ⑮ Time scale[min] AT30℃ 220V50Hz SV=-80℃ ⑤ ⑩ ⑮ Time scale[min] AT30℃ 220V50Hz SV=-70℃ ⑤ ⑩ ⑮ Time scale[min]...
  • Page 68 Page 25 of 27 AT23℃ 230V50Hz SV=-80℃ ⑤ ⑩ ⑮ Time scale[min] AT23℃ 230V50Hz SV=-70℃ ⑤ ⑩ ⑮ Time scale[min] AT30℃ 230V50Hz SV=-80℃ ⑤ ⑩ ⑮ Time scale[min] AT30℃ 230V50Hz SV=-70℃ ⑤ ⑩ ⑮ Time scale[min]...
  • Page 69 Page 26 of 27 AT23℃ 240V50Hz SV=-80℃ ⑤ ⑩ ⑮ Time scale[min] AT23℃ 240V50Hz SV=-70℃ ⑤ ⑩ ⑮ Time scale[min] AT30℃ 240V50Hz SV=-80℃ ⑤ ⑩ ⑮ Time scale[min] AT30℃ 240V50Hz SV=-70℃ ⑤ ⑩ ⑮ Time scale[min]...
  • Page 70 E429 Ref No: Issued No. NOTICE Because of parts discontinuance, P.C.B. and switching power supply have been changed. 1. Effective Models and Production MDF-C8V1-PA, PC, PE, PK, PR, PT S/N: 15110233~ MDF-C8V1-SE S/N: 15120009~ 2. Change description 1) P.C.B. New type P.C.B. is NOT compatible with old type P.C.B.
  • Page 71 Notice PRODUCTION CHANGE CORRECTION FILE NO. ADD INFORMATION SERVICE FOR RoHS PRODUCT IMPROVEMET Please add the following NOTICE to the Manuals listed below. Products charged Fluorinated gas Jul. 12, 2017 Category: Date: Refer to separate sheet PE model Model: Destination: E432 Ref No: Issued No.
  • Page 72 16100040~ SM9910209-06 MDF-237-PE 16100017~ SM9910279-03 MDF-437-PE 16100036~ SM9910273-10 MDF-U334-PE 16110486~ SM9910241-10 MDF-U5312-PE 16110581~ SM9910214-14 MDF-U5412-PE 16100355~ SM9910169-07 MDF-U443-PE 16100188~ SM9910171-11 MDF-C8V1-PE 16100300~ SM9910107-05 MDF-594-PE 16110075~ SM9910121-04 MDF-794-PE MDF-DC500VX-PE 16100011~ SM9910319-04 MDF-DC700VX-PE 16090008~ SM9910145-06 MDF-U3386S-PE SM9910065-03 MDF-U5386S-PE 16100108~ SM9910061-03 MDF-U7386S-PE 16100036~...
  • Page 73 *Revision history Revision # Date of revision Reason of revision SM9910171-01 Feb.17, 2009 Correct misprint in P17 "Function mode". SM9910171-02 Nov.12, 2009 Correct descriptions in P5 "Cooling unit parts" and P8 "Electric parts". SM9910171-03 Feb.20, 2013 Charging amount of n-Pentane before charging mix gas. SM9910171-04 Jul.

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