Panasonic OCU-CR200VF5 Betriebsanleitung

ENGLISH

Outdoor Type Refrigeration Unit

(Non-ﬂuorocarbon Refrigeration Unit with CO2Refrigerant)

Operating Instructions and Installation Instructions

Panasonic Corporation

1006 Kadoma, Kadoma City, Osaka, Japan

CONTENTS

Cautions for Safety....................................................... 2-8

Name of Each Part .......................................................... 9

Scope of Application, Speciﬁcations......................... 10-11

For Effectively Using the Refrigeration Unit.............. 12-13

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

What Needs to be Checked before Operation............... 28

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

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 Certiﬁcate in Australia

CS10793N

• The English text is the original instructions.

Other languages are translation of the original

instructions.

NOTICE

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EN - 2

For the purpose of avoiding harm to people and damage to properties, items to be complied with are explained here.

Explanations are classiﬁed by degree of harm or damage caused by incorrect use.

WARNING Indicates possibility of death or serious injury.

CAUTION Indicates possibility of minor injury or damage to properties.

Items to be observed are explained by the following pictograms.

Indicates what you should not do.

Indicates what you must do.

WARNING

Installation Work

Installation to be made by manufacturer’s

service personnel or similarly skilled person.

Incorrect installation work may

lead to malfunction such as

abnormal vibration, and generates

refrigerant gas leak, electrical

shock, or ﬁre.

Do not use other than the designated

refrigerant (for charging, adding or

recharging)

Non-designated refrigerant may

cause equipment failure or burst,

or injury.

Appliances employing R744 refrigeration

system.

System contains refrigerant under

high pressure. Do not tamper with

the system. It must be serviced by

qualiﬁed persons only.

Securely complete refrigerant piping before

carrying out airtight testing.

Refrigerant gas leak may cause

suffocation.

Cautions for Safety (Be sure to comply with the following)

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EN - 3

ENGLISH

Installation Work

Installation should be made securely on a

place that can fully support the mass of the

refrigeration unit.

Insufﬁcient foundation may cause

falling or dropping, and lead

to refrigerant gas leak, injury,

electrical shock, or ﬁre,

Refrigeration unit should be

secured on a concrete base

with a mass approximately

3 times that of the unit and

fastened with anchor bolts.

Perform airtight test before charging

refrigerant.

Refrigerant gas leak may cause

insufﬁcient oxygen and lead to a

death accident.

Carry out airtight test and

conﬁrm no leak of refrigerant.

Install the safety cover.

Touching the refrigeration unit

by hand of the people other than

the designated operators may

cause injury.

Install a safety cover or

protective fence.

Piping, equipment components and tools

should be exclusively for R744 (CO2

refrigerant).

Use of components for HFC

refrigerant may cause serious

accidents such as equipment

failure and rupture of the

refrigerant cycle.

Electrical Work

Always use a dedicated circuit and install a

ground fault protector.

Incorrect electrical work may

lead to current leak and ﬁre or

electrical shock.

Wiring work should conform to

the installation instructions.

Grounding Work

Lack of grounding work may

lead to electrical shock caused

by current leak.

Securely carry out grounding

work by qualiﬁed technicians.

Electrical wiring should use the speciﬁed

cable and to be properly secured.

When the speciﬁed cable is

not used, or connection or

securing is incomplete, electrical

resistance becomes larger and

may cause abnormal heating or

ﬁre.

Use the speciﬁed cable and

properly secure it on an

appropriate location.

Securely place the cover on the electrical

box and enclosure panel.

Incomplete attachment may

lead to penetration of water and

living creatures, thereby causing

current leak and ﬁre/electrical

shock.

Conﬁrm that covers are

securely installed.

Cautions for Safety (Be sure to comply with the following)

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EN - 4

Cautions for Safety (Be sure to comply with the following)

Cautions for Use

Do not change the set values of the safety

device.

Using the refrigeration unit with

changed values may cause

failure of the safety stop function

and lead to a burst or ﬁre.

Do not change the set values

of the safety device. If they

are changed unintentionally,

shut off the power switch and

ground fault protector and

consult with the distributor.

Do not insert a ﬁnger, stick or foreign

object into the ventilation opening and fan

guard of the enclosure panel.

Such object may hit the fast

rotating fan and result in injury.

When water or other material gets into the

electrical box, turn off the power switch

and shut off the ground fault protector.

Continued use may cause

short-circuit, leading to ﬁre or

electrical shock.

Do not splash water on

electrical components or wash

them with water.

When the ground fault protector

activates, report to the specialty

company.

Forced recovery of power may

cause current leak, leading to

ﬁre or electrical shock.

For the purpose of controlling

concentration of refrigerant gas, install a

leak detector and mechanical ventilation

equipment in the refrigerant-handling

facility (inside the room).

Refrigerant gas leak may cause

suffocation.

Restriction on use of equipment

The appliance is not to be used

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.

Consideration for children

Children shall not play with the

appliance.

«In the European Market»

Children should be supervised

to ensure that they do not play

with the appliance.

«In the Australian and New

Zealand market»

Restriction on use of equipment

This appliance can be used by

children aged from 8 years and

above and persons with reduced

physical, sensory or mental

capabilities or lack of experience

and knowledge if they have

been given supervision or

instruction concerning use of

the appliance in a safe way

and understand the hazards

involved.

«In the European Market»

Cleaning and maintenance by trained

person.

Cleaning and user maintenance

shall not be made by children

without supervision.

«In the European Market»

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EN - 5

ENGLISH

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.

«In the Australian and New Zealand market»

Repairs

Disassembly or repairs should be

performed by a specialty operator.

Incorrect disassembly or repair

may lead to abnormal operation

and causes injury, ﬁre or

electrical shock.

Request a specialty operator to

perform disassembly or repair

work.

Do not absolutely perform

modiﬁcation.

When abnormal operation was detected,

or before starting disassembly or repair,

turn off the power switch and shut off the

ground fault protector.

Continued operation with

abnormal condition, or

disassembly/repair without

shutting off the power would

lead to current leak or short-

circuit and may cause ﬁre or

electrical shock.

Speciﬁed components must be used for

repair.

Use of non-speciﬁed

components may cause failure

of the safety stop function and

lead to burst or ﬁre.

Consult with the distributor.

Stop the compressor before disconnecting

the refrigerant piping.

Disconnecting the piping while

the compressor is in operation

would cause abnormally high

pressure with air intake, and

may lead to a burst or injury.

Replacing the power cord.

If the supply cord is damaged,

it must be replaced by

manufacturer, its service agent

or similarly qualiﬁed persons in

order to avoid a hazard.

Contact technician.

If any leak of refrigerant is

detected, contact the authorized,

licensed and qualiﬁed technician

to repair the system.

Moving or Change of Installation Location

Request a certiﬁed installer for moving or

changing the location.

Incorrect installation or moving

work may lead to malfunction

such as abnormal vibration, and

generates refrigerant gas leak,

electrical shock, or ﬁre.

Cautions for Safety (Be sure to comply with the following)

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EN - 6

CAUTION

Installation Work

Do not install in a place with possible leak of

ﬂammable gas.

Leaked ﬂammable gas around the

refrigeration unit may catch ﬁre

from a spark of a switch and lead

to ﬁre.

Produce a refrigeration cycle within the

limits of an operation standard (Scope of

Application).

Non-standard refrigeration cycle

may generate abnormal high

pressure and abnormal heat

generation, thereby causing burst,

smoke generation, ﬁre and current

leak.

Apply a drain work according to the need.

Without consideration of drain

water processing, moisture from

rainwater and defrosted water

generates mold and moss, and

may cause slipping on the ﬂoor.

Apply heat insulation on the suction line and

liquid line.

Lack of heat insulation generates

water from condensation and mold

and moss, thus causing slipping

on the ﬂoor.

Install in a place without air stagnation.

Leak of refrigerant gas may cause

insufﬁcient oxygen and harm

human health.

Install in a place with good

ventilation.

Request a specialty operator for moving the

refrigeration unit.

Incorrect moving may cause falling

or dropping of the refrigeration

unit, and cause injury.

Refrigeration unit is a heavy

item. Always consult with a

specialty operator.

Electrical Work

Always install an ground fault protector with

the speciﬁed capacity.

Incorrect capacity does not

operate safety stop function

and may lead to ﬁre or electrical

shock.

Ground fault protector needs

to follow IEC60364-4-44

443,overvoltage category III.

(Impulse withstand voltage value

4kV.)

Do not include electrical wiring in the heat

insulation material.

Condensation of piping may

cause current leak and ﬁre

caused by overheating.

Cautions for Safety (Be sure to comply with the following)

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EN - 7

ENGLISH

Cautions for Use

When the refrigerant bursts out, shut off the

power and fully close the service valve.

Blowout of refrigerant from the

refrigeration cycle by opening

the service port would cause

insufﬁcient oxygen and harm

human health.

Do not use ﬂammable spray near the

refrigeration unit. Do not place ﬂammable

materials nearby.

Flammable material may catch

ﬁre from switch spark.

Do not touch electrical components by a

wet hand.

Switching operation by a wet

hand may cause electrical shock

and injury.

Before any inspection service, turn off the

power switch and shut down the ground

fault protector.

Inspection work with power

on may lead to electrical

shock, interference with the

moving mechanism, and heat

generation, thereby leading to

injury and skin burn.

Periodically check operation of the ground

fault protector.

Failed interrupter does not

operate safety stop function

and may lead to ﬁre or electrical

shock.

When removing the ﬁn guard of the gas

cooler, do not touch the ﬁn.

Touching the ﬁn and sliding

along the ﬁn may cause skin cut

by the ﬁn edge.

Do not ride on the refrigeration unit.

Riding on the refrigeration unit

or placing an article on it may

lead to falling or dropping by

vibration and cause injury.

Do not operate with the service valve

closed.

Operation with the high pressure

service valve closed would

cause abnormal high pressure

and may lead to a burst.

Periodically check the installed base.

Damaged base after a long-time

use may cause the refrigeration

unit to fall or drop and lead to

injury.

Emergency (Leakage, Fire or Explosion).

Do not attempt to operate or

repair the unit during emergencies

if it is not safe to do so.

Cautions for Safety (Be sure to comply with the following)

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EN - 8

Disposal

Request a specialty operator for disposing

the refrigeration unit.

The refrigeration system is under

high pressure. Disposal with

the refrigerant and oil inside the

refrigeration unit may cause ﬁre

or explosion.

Before disposal

The refrigeration system is

under high pressure. Do not

tamper with it. Contact qualiﬁed

service personal before

disposal.

Disposal of Old Equipment

Only for European Union and countries with recycling systems

This symbol on the products, packaging, and/or accompanying documents

means that used electrical and electronic products must not be mixed with

general household waste.

For proper treatment, recovery and recycling of old products, please take them

to applicable collection points in accordance with your national legislation.

By disposing of them correctly, you will help to save valuable resources and

prevent any potential negative effects on human health and the environment.

For more information about collection and recycling, please contact your local

authority.

Penalties may be applicable for incorrect disposal of this waste, in accordance

with national legislation.

Cautions for Safety (Be sure to comply with the following)

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EN - 9

ENGLISH

Name of Each Part

Low pressure sensor

Refrigerant amount

adjustment tank

Fan motor

Suction ﬁlter

Refrigerant amount adjusting

solenoid valve (EV1)

Split cycle electronic

expansion valve

(MOV3)

Refrigerant amount adjusting

electronic expansion valve

(MOV4)

Compressor

High pressure service valve

Low pressure service valve

Liquid line (unit outlet)

Suction line (unit inlet)

Balance pressure

solenoid valve (EV2)

Electrical box

Electrical box internal layout

(Top side)

Control

terminal

base

Power source

terminal base

Terminal Base for showcase

operation signal

Terminal Base for liquid tube

electromagnetic valve

Reactor

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EN - 10

Scope of Application,Speciﬁcations

This refrigeration unit operates with a rotary compressor.

Use the refrigeration unit within the range shown below.

Item Standard Value Remarks

Refrigerant R744 The charge supply amount shall be

adequate

Evaporating temperature -45 °C to -5 °C Temperature conversion of inlet

pressure

Suction pressure 0.73MPa to 2.95MPa Unit inlet pressure

Compressor rotational speed 37 s-1 to 65 s-1 * (RPS)

Suction gas temperature 18 °C or below Unit inlet (suction gas) pipe

temperature

Superheat at suction 10 K or above

Difference between evaporating

temperature and compressor inlet

temperature

Discharge pressure 9.0MPa or below

(except transient)

Compressor outlet pressure

Discharge gas temperature 95 °C or below Compressor outlet temperature

Oil temperature 100 °C or below

(Ambient temperature +10 K or above)

Ambient temperature -15 °C to +43 °C Gas cooler intake air temperature

Power source ~50 Hz 220 V / 230 V / 240 V Within ± 10 % of Rate Voltage

Installation inclination angle 1° or below

ON/OFF cycle period 10 minutes or longer

for ON/OFF cycle

Oil return shall be ensured

Installation Outdoor The foundation shall be rigid enough

Climatic class 0/1/2/3/4/6/8 Please see below “CLIMATIC CLASS”

* Operation may not be possible depending on the installed condition.

CLIMATIC CLASS

Test room

climate class

Dry bulb temperature

°C

Relative humidity

Dew point

°C

Water vapour mass in

dry air

g/kg

0 20 50 9.3 7.3

1 16 80 12.6 9.1

2 22 65 15.2 10.8

3 25 60 16.7 12.0

4 30 55 20.0 14.8

6 27 70 21.1 15.8

8 23.9 55 14.3 10.2

Excerpt from: EN ISO 23953

Countermeasures in a cold weather operation

In order to prevent excessive reduction of high pressure in a cold weather location, surrounding around the

refrigeration unit should be made.

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