Panasonic OCU-CR200VF5 Operating Instructions And Installation Instructions
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Panasonic OCU-CR200VF5 Operating Instructions And Installation Instructions

Outdoor type refrigeration unit
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Outdoor Type Refrigeration Unit
(Non-fl uorocarbon Refrigeration Unit with CO
Operating Instructions and Installation Instructions
Model No. OCU-CR200VF5 / OCU-CR200VF5SL
Thank you very much for purchasing Panasonic products this time.
Please read this instruction booklet and correctly comply with the explanations.
In particular, please read "Cautions for Safety" (Pages EN2 to EN8) for ensuring safe
operations.
Please retain this instruction booklet in a safe place.
Caution labels are attached to the product.
This illustration represents OCU-CR200VF5
Electrical Approval Certifi cate in Australia
CS10793N
CONTENTS
Cautions for Safety ....................................................... 2-8
Name of Each Part .......................................................... 9
Selection of Installation Location .............................. 13-14
Carry-in / Installation................................................. 14-15
Installation Example ................................................. 16-17
Refrigerant Piping Work ........................................... 17-18
Piping Example.............................................................. 19
Refrigerant Circuit Diagram ........................................... 20
Refrigerant Charging ................................................ 21-22
Cautions for Electrical Wiring Work ............................... 23
Electrical Wiring Work .............................................. 24-25
Electrical Circuit Diagram ......................................... 26-27
Setting and Indication ............................................... 29-33
Control Functions ..................................................... 34-36
Adjustment during Operation .................................... 36-38
About Alarms ............................................................ 38-39
Maintenance and Inspection.......................................... 40
Actions at the time of Failure .................................... 41-42
Failure Diagnosis ...................................................... 43-50
• The English text is the original instructions.
NOTICE
Other languages are translation of the original
instructions.
Panasonic Corporation
1006 Kadoma, Kadoma City, Osaka, Japan
Refrigerant)
2

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Summary of Contents for Panasonic OCU-CR200VF5

  • Page 1: Table Of Contents

    Operating Instructions and Installation Instructions Model No. OCU-CR200VF5 / OCU-CR200VF5SL Thank you very much for purchasing Panasonic products this time. Please read this instruction booklet and correctly comply with the explanations. In particular, please read "Cautions for Safety" (Pages EN2 to EN8) for ensuring safe operations.

  • Page 2: Cautions For Safety

    Cautions for Safety (Be sure to comply with the following) For the purpose of avoiding harm to people and damage to properties, items to be complied with are explained here. ■ Explanations are classifi ed by degree of harm or damage caused by incorrect use. Indicates possibility of death or serious injury.
  • Page 3 Cautions for Safety (Be sure to comply with the following) Installation Work Installation should be made securely on a Perform airtight test before charging place that can fully support the mass of the refrigerant. refrigeration unit. Refrigerant gas leak may cause Insufficient foundation may cause insufficient oxygen and lead to a falling or dropping, and lead...
  • Page 4 Cautions for Safety (Be sure to comply with the following) Cautions for Use Do not change the set values of the safety Do not insert a finger, stick or foreign device. object into the ventilation opening and fan guard of the enclosure panel. Using the refrigeration unit with changed values may cause Such object may hit the fast...
  • Page 5 Cautions for Safety (Be sure to comply with the following) Cautions for Use Restriction on use of equipment This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
  • Page 6 Cautions for Safety (Be sure to comply with the following) CAUTION Installation Work Do not install in a place with possible leak of Produce a refrigeration cycle within the flammable gas. limits of an operation standard (Scope of Application). Leaked flammable gas around the refrigeration unit may catch fire Non-standard refrigeration cycle from a spark of a switch and lead...
  • Page 7 Cautions for Safety (Be sure to comply with the following) Cautions for Use When the refrigerant bursts out, shut off the Do not use flammable spray near the power and fully close the service valve. refrigeration unit. Do not place flammable materials nearby.
  • Page 8 Cautions for Safety (Be sure to comply with the following) Disposal Request a specialty operator for disposing Before disposal the refrigeration unit. The refrigeration system is The refrigeration system is under under high pressure. Do not high pressure. Disposal with tamper with it.

  • Page 9: Name Of Each Part

    Name of Each Part Low pressure sensor Refrigerant amount Electrical box adjustment tank Fan motor Balance pressure solenoid valve (EV2) Suction line (unit inlet) Liquid line (unit outlet) Low pressure service valve High pressure service valve Suction filter Refrigerant amount adjusting Compressor solenoid valve (EV1) Split cycle electronic...

  • Page 10: Scope Of Application, Specifications

    Scope of Application,Specifi cations This refrigeration unit operates with a rotary compressor. Use the refrigeration unit within the range shown below. Item Standard Value Remarks The charge supply amount shall be Refrigerant R744 adequate Temperature conversion of inlet Evaporating temperature -45 °C to -5 °C pressure Suction pressure...
  • Page 11 Scope of Application,Specifi cations Rated Specifi cations Item Rating Unit Power source ~50 Hz 220/230/240 Power input 1.80/1.79/1.79 Current 8.31/7.94/7.60 Conditions 1. Evaporating temperature: -10 °C 2. Ambient temperature: 32 °C 3. Compressor rotational speed : 65 s 4. Suction superheat : 10K Performances (220 V / 230 V / 240 V) Symbol Evaporating temperature...

  • Page 12: For Effectively Using The Refrigeration Unit

    For Effectively Using the Refrigeration Unit Cautions for Installation Work This refrigeration unit has been designed exclusively for R744 (CO refrigerant). Refrigeration oil and each component including the compressor have been exclusively designed for the refrigeration unit. Please use suffi cient caution for maintaining the reliability of the product. (1) Since CO refrigeration cycle becomes high pressure during operation, use the piping material and other components particularly designed for CO...

  • Page 13: Selection Of Installation Location

    (5) Rotary compressor consists of high precision components. Use caution during piping work to avoid contamination of dust, metal powder, or oxide scale, etc. Initial Oil Quantity Model No. Compressor OCU-CR200VF5(SL) 300 mL Oil type PZ-68S Caution When adding oil or changing oil, be sure to use our specifi ed oil.

  • Page 14: Carry-In / Installation

    Selection of Installation Location Location not disturbing neighbors Avoid air-blow from the gas cooler to the neighbor’s window or noise to disturb other people. Location with a sturdy and level surface Install the refrigeration unit on a fi rm foundation to avoid an increase of noise and vibration. Particularly at the boundary from the neighbor’s lot, comply with the regional laws and regulations.
  • Page 15 Carry-in / Installation Foundation / Platform Work ● As a reference, the foundation should be made from concrete having a mass about 3 times that of the refrigeration unit. (Absorbing vibration by mass) ● Vibration should be reduced by a platform or anti-vibration pad for avoiding transmission of vibration to the fl oor and wall.

  • Page 16: Installation Example

    Installation Example When no obstruction exists in the When an obstruction exists in the blow-out side blow-out side Unit depth Dimension or below 150 mm or wider 300 mm or wider (500 + h) mm or wider Stacked installation When installing next to a top-blow refrigeration unit Partition plate ( 500 + h ) mm or wider...

  • Page 17: Refrigerant Piping Work

    HFC refrigerant, it is necessary to choose adequate materials. Model No. Suction line (Unit inlet) Liquid line (Unit outlet) OCU-CR200VF5(SL) Ø9.52 mm, 3/8” Ø6.35 mm, 1/4” Note: Welding is inner diameter welding. ● Piping material should be seamless phosphorous-deoxidized copper pipes (refrigeration grade), K65.
  • Page 18 Refrigerant Piping Work Cautions for Heat Insulation Work ● Apply heat insulation on the suction line and liquid line for avoiding thermal effect from outside. ● Do not wrap together the suction line and liquid line with heat insulation material. Liquid line (Refer to the right illustration) ●...

  • Page 19: Piping Example

    Piping Example Total piping length should be limited to 25 m one way. When the evaporator is located higher ■ Height difference 5 m or below ● The suction line should ideally slope gently towards the unit. Recommendation slope is 1/200~1/250. ●...

  • Page 20: Refrigerant Circuit Diagram

    Refrigerant Circuit Diagram Adjusting Liquid line refrigerant High pressure Split cycle outlet Split cycle heat exchanger (Unit outlet) amount solenoid service valve temperature sensor Strainer valve (EV3) Adjusting refrigerant Filter dryer amount Split cycle Unit outlet electronic electronic temperature sensor expansion expansion valve valve...

  • Page 21: Refrigerant Charging

    Refrigerant Charging Evacuation (Perform after completing electrical wiring.) To avoid inclusion of air or moisture in the refrigerant circuit, be sure to execute vacuum drying of the entire circuit by using a vacuum pump, before charging refrigerant. By following procedure, execute evacuation after securely carrying out airtight test.
  • Page 22 – Close the low pressure service port to complete the charge. (4) Charge amount – Adequate charge amount can be calculated by the tool provided by Panasonic. The below can be referenced in addition to above. In the case of a freezer reach-in case = 1,260 (g) + 12 (g / m) x piping length (one-way: m) In the case of a refrigeration showcase = 825 (g / m) x showcase length (m) + 12 (g / m) x piping length (one-way: m) Note: 1.

  • Page 23: Cautions For Electrical Wiring Work

    Detected area 10 m 20 m 30 m 50 m current current OCU-CR200VF5(SL) 16 A 30 mA Notes: 1. Wiring and cabling quality need to follow local standards, regulations and laws. IEC: 60245 IEC57 CENELEC: H05RN-F AS/NZS : 3000 2. Use shielded cable for communication line, liquid tube electromagnetic valve line and showcase operation signal line.

  • Page 24: Electrical Wiring Work

    Electrical Wiring Work Wiring Block Diagram Example User System (External Alarm) Shielded cable (*2) Liquid tube Electromagnetic Valve ~50 Hz 220/230/240 V Ground fault 5P-2 5P-3 protector Showcase Power Operation source signal Cabtyre cable (*1) Communication Line Shielded cable (*2) Coil for Liquid tube Electromagnetic Valve Shielded cable (*2) Showcase Operation signal...
  • Page 25 Electrical Wiring Work Wiring Guide Opening Wiring guide opening is located at the front, back and right side surfaces. (Power supply holes of Ø 26 and Ø 38 are furnished in three directions) Always thread wires through the rectangle hole furnished at the bottom of the electrical box.

  • Page 26: Electrical Circuit Diagram

    Electrical Circuit Diagram Electrical circuit diagram (Standard electrical wiring diagram) Power source ~50 Hz 220 V / 230 V / 240 V White Power source terminal base Black White Grounding screw Black White FUSE1 FUSE2 250V 250V White Blue FUSE3 250V Black White...
  • Page 27 <For extracting external alarm> External power source AC 250V 3A Buzzer silencing switch Buzzer Gray <Showcase operation signal input> Terminal base for showcase operation signal Blue Purple Yellow Brown Terminal base for liquid tube electromagnetic valve Purple Yellow Brown Symbol Name Operation switch Auxiliary relay...

  • Page 28: What Needs To Be Checked Before Operation

    What Needs to be Checked before Operation Confi rmation before Operation (1) Please recheck if any incorrect wiring or loose wiring exists. (2) Fully open all service valves. (3) Check that the power supply voltage is within ± 10 % of the rated voltage (4) Check that insulation resistance is 1 MΩ...

  • Page 29: Setting And Indication

    Setting and Indication This refrigeration unit is equipped with the function of setting a variety of compressor operation modes by the switch on the CRD1-EN-PCB. Operating condition of the compressor can be checked by the 7-segment LED. In particular, when any abnormality occurs in the refrigeration unit, an alarm LED (Red) lights up or blinks, and the cause of abnormality is displayed digitally by an error code.
  • Page 30 Setting and Indication Switch Setting (1) AUTO/FORCED switch (Slide switch, SW14) SW14 Function Remarks AUTO Auto operation FORCED Forced operation Not yet used (2) CONTROL/CHECK switch (Slide switch, SW15) SW15 Function Remarks Normal Mode CONTROL Evacuation Mode CHECK Special Mode (DIP switch SW13 setting is also required) (3) 8P DIP switch (SW13)
  • Page 31 Setting and Indication Low Pressure Setting (1) Turn OFF the operation switch S1. (2) Power ON (3) Low Pressure Setting (ON value, OFF value ,Diff.value) The Low pressure setting at the shipment is as shown in No.4 of the “Standard Pressure Setup Table” below. Since the Target Low Pressure Setting can be changed , use the following procedure as required.
  • Page 32 Setting and Indication Indication (1) Individual LED 1. +5 V, +12 V (Yellow) Lights up when power is supplied to CR1-EN-PCB. 2. Alarm (Red) Lights up or blinks when abnormality or alarm occurred. For detail, refer to the “Explanation of Abnormality Alarm” in “About Alarms”. 3.
  • Page 33 Setting and Indication Setting/Display Listing Digital display and operation list Rotary switch Mode switch switch Display/Setup Remarks (Knob) position SW13-8 SW13-7 ▲ pressing: Red LED blinking Low pressure: cancelled Low pressure and high pressure is Lo.0.00 to 9.98 (MPa) During pressing ▼: evaporating OPERATION displayed alternately.

  • Page 34: Control Functions

    Control Functions Low Pressure Control Method Compressor capacity is controlled by changing the inverter frequency based on the difference between the low pressure and set value by adjusting the low pressure to the set value (ON value to OFF value). However, compressor operation continues even if the low pressure becomes below “OFF value”...
  • Page 35 Control Functions Protective Functions (1) High pressure abnormal, over current Stops the compressor. (2) Discharge gas temperature abnormal 1. Normal operation Compressor operation stops when the discharge gas temperature exceeds 118 °C, and resumes when the discharge gas temperature becomes 75 °C. 2.

  • Page 36: Adjustment During Operation

    Control Functions (6) Inverter abnormality Compressor stops when the following occurs, and resumes operation in 1 min. later. Compressor stops when abnormality occurs 10 times per hour. 1. IPM protection 2. Voltage abnormality 3. Compressor over current 4. Compressor step out 5.
  • Page 37 Adjustment during Operation Adjusting Refrigerant Quantity of the Refrigeration Unit During determination of refrigerant quantity, temperature setting of all cooling coils of the showcase needs to be set to the lowest temperature without activation of the thermostat for making the refrigeration unit operating continuously. (1) Method of determining refrigerant quantity Check the operating condition of the refrigeration unit and adjust to the correct refrigerant quantity.

  • Page 38: About Alarms

    Adjustment during Operation (2) Refrigerant quantity adjustment 1. Shortage of refrigerant (when charging additional refrigerant) ● Perform cooling operation and charge additional refrigerant from the low pressure service port. ● Adjust valve opening during slow charging operation to avoid frosting beyond the refrigerant service valve. ●...
  • Page 39 About Alarms Description of Abnormality Alarm When the ground fault protector is activated, check insulation of the equipment and circuit, eliminate the cause, and then supply power again. Alarm indication External Compressor during abnormality Abnormality item Reset method Alarms Operate/Stop Error code High pressure abnormal (7th time), or ●...

  • Page 40: Maintenance And Inspection

    Maintenance and Inspection Maintenance and inspection should be contacted with a specialty company. All work must be conducted by authorized and licensed technicians. Request for Maintenance and Inspection (To a specialty company for installation work) The structural components of refrigeration unit do not last permanently but include those wearing out in a certain period of time.

  • Page 41: Actions At The Time Of Failure

    Actions at the time of Failure When a component failure or malfunction is found, request the specialty company to repair. Actions at the time of Failure When the refrigeration unit or any refrigerant circuit component fails to operate by some reason, turn off the power for a repair.
  • Page 42 Actions at the time of Failure Replacing the Compressor Before replacing the compressor, refer to the Engineering Service Manual “Compressor Replacement Procedure” Caution (1) Be sure to shut off the ground fault protector. (Operation switch OFF does not shut off the crankcase heater.) (2) Connect compressor terminals U, V, and W with each lead wire as connected before.

  • Page 43: Failure Diagnosis

    Failure Diagnosis Error Code (1) When the rotary switch (knob) is at [OPERATION] position, the digital display on the control PCB alternately displays low pressure, high pressure and error code (E ***). < Error Code Table > Error code Meaning Cause Method of Action (Listed) High pressure...
  • Page 44 Failure Diagnosis Error Code Error code Meaning Cause Method of Action (Listed) High pressure High pressure increased to abnormal level. (1) Check the cause of high pressure abnormality. abnormal (2) Check if abnormality exists in the high pressure (1st to 6th time) sensor.
  • Page 45 Failure Diagnosis (2) Other indications Indication Meaning Action method Remarks Check the error code with the table above and eliminate the cause. Abnormality existed before. Then, by aligning the Up to 50 items of past error Alarm (red) LED blinking rotary switch knob with codes are memorized in the [OPERATION] and pressing...
  • Page 46 Failure Diagnosis All normal Electronic expansion valve (MOV3) Operation Check High pressure/low pressure (1) Align the rotary switch (knob) with [DIS] and check the discharge gas service valves temperature of the compressor. (2) Set the DIP switch SW13-5 to [ON], and rotary switch (knob) to [ON] (valve opening fi...
  • Page 47 Failure Diagnosis Method of Checking Sensor Characteristics (1) Pressure (Low, Intermediate, High pressure) sensor While the connector is inserted to the control PCB, measure the voltage and check if the pressure is normal by using the table below. < Relationship between sensor output voltage and pressure > Pressure (MPa) 0.00 1.00 2.00...
  • Page 48 Failure Diagnosis Method of Checking the Resistance of Electronic Expansion Valve Coil ■ Electronic expansion valve coil: (Split cycle electronic expansion valve MOV3 and Adjusting refrigerant amount electronic expansion valve MOV4) Measure the resistance value by disconnecting the connector from the control PCB, and check if the resistance value is normal.
  • Page 49 Failure Diagnosis Failure Diagnosis of Inverter Unit Caution Before inspection or component replacement, always shut off the ground fault protector and take sufficient time. (Approx. 5 minutes are required for the capacitor to discharge) Electrical box internal layout Control terminal base (Top side) Reactor...
  • Page 50 Failure Diagnosis Failure Diagnosis of Inverter Unit (2) When inverter abnormality (E6 * to E7 *) is generated Possible cause is as follows. Check all of the following causes. Cause Method of Checking Method of Action (1) Check if the compressor motor current is high. Eliminate the cause of overload.
  • Page 51 NOTE – – EN - 51...
  • Page 52 If a product failure occurs by incorrect installation, the product becomes out of warranty. Documentation in local language can be downloaded from Internet Panasonic pro club «In the European Market». Download site: www.panasonicproclub.com Sales company in EU...

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Ocu-cr200vf5sl

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