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Panasonic OCU-CR1000VF8 User Manual

Panasonic OCU-CR1000VF8
56 pages
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ENGLISH
Outdoor Type Refrigeration Unit
(Non- uorocarbon Refrigeration Unit with CO2 Refrigerant)
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
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 .................................... 36-37
Oil Level Control Method .......................................... 38-41
About Alarms ............................................................ 41-43
Maintenance and Inspection.......................................... 44
Actions at the time of Failure .................................... 45-46
Failure Diagnosis ...................................................... 47-53
Makings for Directive 2014/68/EU (PED) ...................... 54
Model No. OCU-CR1000VF8 / OCU-CR1000VF8SL
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-CR1000VF8
Electrical Approval Certificate in Australia
CS10836N
• The English text is the original instructions.
Other languages are translation of the original
instructions.
NOTICE
01OCU-CR1000VF8.indd101OCU-CR1000VF8.indd1 2019/03/0516:57:502019/03/0516:57:50
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Panasonic OCU-CR1000VF8 Specifications

General IconGeneral
BrandPanasonic
ModelOCU-CR1000VF8
CategoryAir Conditioner
LanguageEnglish

Summary

Cautions for Safety

Installation Work

Guidance on safe installation practices, foundation requirements, and securing the unit.

Electrical Work

Instructions for safe electrical wiring, grounding, and circuit protection.

Cautions for Use

Precautions for operating the unit safely, including restrictions for children and maintenance.

Name of Each Part

Optional Accessories

List and details of optional accessories available for the refrigeration unit.

Scope of Application, Specifications

For Effectively Using the Refrigeration Unit

Cautions for Installation Work

Specific cautions for installing the unit, especially regarding CO2 refrigerant and piping.

Selection of Installation Location

Guidelines for choosing an appropriate location for the refrigeration unit, considering neighbors and ventilation.

Installation Example

Standard installation

Recommended service space requirements for standard unit installation.

Refrigerant Piping Work

Selection of Refrigerant Piping Size

Guidance on selecting appropriate pipe sizes for suction and liquid lines.

Refrigerant Charging

Evacuation

Procedure for vacuum drying the refrigeration circuit before charging refrigerant.

Method of Charging

Detailed steps for charging the correct amount of R744 refrigerant into the system.

Cautions for Electrical Wiring Work

Electrical Shock and Fire Prevention

Key safety measures for electrical wiring to prevent shock and fire hazards.

Selection of a Ground Fault Protector and Wiring

Specifications for ground fault protectors and wiring thickness based on length.

Electrical Wiring Work

Wiring Block Diagram Example

Example wiring block diagram illustrating connections for various components.

What Needs to be Checked before Operation

Confirmation before Operation

Essential checks to perform before starting the refrigeration unit operation.

Setting and Indication

Switch Setting

Configuration options for DIP switches and slide switches on the control PCB.

Low Pressure Setting

Procedure for setting and adjusting low pressure ON, OFF, and Diff values.

Control Functions

Protective Functions

Overview of protective functions that stop compressor operation during abnormalities.

Adjustment during Operation

Adjusting Refrigerant Quantity of the Refrigeration Unit

Method for checking and adjusting refrigerant quantity based on operating conditions.

Oil Level Control Method

Oil Level Control and Oil Addition Assessment Criteria

Criteria for assessing oil level and addition based on piping length and unit operation.

About Alarms

Description of Abnormality Alarm

Details of abnormality alarms, including error codes, indications, and causes.

Maintenance and Inspection

Service Parts and Replacement Guidelines

Guidelines for inspection and replacement of major components and service parts.

Actions at the time of Failure

Actions at the time of Failure

Procedures to follow when a component failure or malfunction occurs.

Failure Diagnosis

Error Code Table

Table listing error codes, their meanings, causes, and correction methods.

Method of Checking Sensor Characteristics

Procedures for checking the resistance and voltage characteristics of various sensors.

Makings for Directive 2014/68/EU (PED)

Design Registration No. for WHS regulation (Australian regulation)

Details of design registration numbers for Australian WHS regulation.

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