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Panasonic U-10ME2E8 User Manual

Panasonic U-10ME2E8
207 pages
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85464849353000
REFERENCE NO.SM830253-00
Outdoor Unit
Model No.
SERVICE MANUAL & TEST RUN SERVICE MANUAL
Order No. SBPAC1607005CE
SM830214-042WAYSYSTEM.indb1 2014/08/2617:18:12
SM830244-01_2WAY_7-Series.indb 1 15/12/22 10:16:52
8 HP 10 HP 16 HP12 HP 14 HP
Rated Capacity
ME2
Type Outdoor Unit Type
2WAY System U-8ME2E8 U-10ME2E8 U-12ME2E8 U-14ME2E8
U-16ME2E8
18 HP
U-18ME2E8
20 HP
U-20ME2E8
SM830253-00_欧州2way7_SM-TRSM.indb 1 16/08/02 13:44:06

Table of Contents

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Panasonic U-10ME2E8 Specifications

General IconGeneral
BrandPanasonic
ModelU-10ME2E8
CategoryAir Conditioner
LanguageEnglish

Summary

IMPORTANT! Please Read Before Starting

WARNING

General safety warnings for installation and operation.

SPECIAL PRECAUTIONS

WARNING When Wiring

Electrical safety precautions during wiring procedures.

When Connecting Refrigerant Tubing

WARNING

Critical warnings for handling refrigerant and piping work.

1. CONTROL FUNCTIONS - Outdoor unit

3. Compressor Control

Management and operation of the unit's compressors.

5. Outdoor Unit Fan Control

Control mechanisms for the outdoor unit's fan assembly.

9. Defrost Control

Procedures and logic for managing defrost cycles.

11. Backup Operation

System redundancy and fault tolerance modes.

3. Compressor Control

(2) Compressor Selection Rules

Rules governing compressor operation priority and sequence.

4. Special Control

(1) 4-way Valve [20S]

Operation and function of the 4-way reversing valve.

5. Outdoor Unit Fan Control

(3) Minimum Fan Mode and Maximam Fan Mode

Speed ranges for different fan operating modes.

7. Oil Control

9. Defrost Control

(3) Frost Detection

Methods used to detect frost formation on the heat exchanger.

11. Backup Operation

(1) Automatic Backup Operation

Overview of the automatic backup system activation.

14. Outdoor Unit Control PCB

SW7 DIP switch

Switch for configuring backup operation mode.

2. CONTROL FUNCTIONS - Indoor Unit

1. Room Temperature Control

Regulation of room temperature using sensor data.

5. Drain Pump Control

Operation conditions and logic for the drain pump.

7. Discharge Air Temperature Control

Control logic for discharge air temperature.

3. OUTDOOR UNIT REPAIR PROCEDURES

1. Removing Panels

Instructions for removing external panels for access.

2. Discharging Compressor Oil

Procedure for draining oil from the compressor.

4. Recovering Refrigerant

4-1. Refrigerant Recovery Procedures (from outdoor unit)

Step-by-step instructions for recovering refrigerant from outdoor units.

5. Checking for Leakage After Repair

5-1. Pressure Check for Leakage of Outdoor Unit

Leak detection method using pressure testing on the outdoor unit.

6. Evacuating System

6-1. Evacuating Repaired Outdoor Unit

Evacuation steps for a repaired outdoor unit.

8. Pumping Out Refrigerant from Outdoor Unit

8-1. If Remote Controller is Used for Maintenance of Outdoor Unit

Procedure for pumping refrigerant using a maintenance remote controller.

9. Compressor

9-1. Compressor Trouble Diagnosis and Check Methods

Methods for diagnosing compressor issues and performing checks.

1. Overview

n About the outdoor unit maintenance remote controller

Description of the remote controller's capabilities and purpose.

2. Functions

n Functions on the ordinary display

Operations available on the standard remote controller display.

n Temperature monitor

Function for monitoring sensor temperatures of indoor and outdoor units.

4. Monitoring Operations

Display the indoor unit and outdoor unit sensor temperatures.

How to view sensor temperature data on the remote controller.

5. Outdoor Unit Alarm History Monitor

1. Simple Settings Function

<Procedure of CZ-RTC5A>

Step-by-step guide for performing simple settings on CZ-RTC5A.

2. Detailed Settings Function

<Procedure of CZ-RTC5A>

Step-by-step guide for performing detailed settings on CZ-RTC5A.

3. Remote Controller Servicing Functions

List of Servicing Functions

Table summarizing available remote controller servicing functions.

3. Remote Controller Servicing Functions

Test Run Function

How to activate and perform a test run of the system.

6. TROUBLE DIAGNOSIS

3. 2WAY Alarm Codes

List and explanation of 2WAY system alarm codes.

1. Contents of Remote Controller Switch Alarm Display

Possible cause of malfunction

Common causes identified for detected malfunctions.

2. Outdoor Unit Control Panel LED Display

3. 2WAY Alarm Codes

4. Blinking Inspection Display

Blinking inspection display (Automatic backup)

How to interpret blinking indicators during automatic backup mode.

5. Inspection and Characteristics of Parts

(2) Electronic Control Valve (MOV1, MOV2, MOV4)

Methods for checking the operation of electronic control valves.

7. Symptom: Thermostat in OFF continues or cycles OFF & ON too frequently

2. Error Diagnosis

Diagnostic steps for troubleshooting thermostat cycling issues.

1. Preparing for Test Run

2. Test Run Procedure

3. Main Outdoor Unit PCB Setting

Name And Function Of Each Switch On Outdoor Unit Control P.C. Board

Descriptions of switches and their functions on the outdoor unit PCB.

4. Auto Address Setting

How to Control Auto Address from Outdoor Unit

Steps for controlling the auto address setup via the outdoor unit.

4. Auto Address Setting

Final check before operation

Final checks required before commencing auto address setting.

4. Auto Address Setting

Auto Address Setting from the High-spec Wired Remote Controller (CZ-RTC5A)

Procedure for auto address setting using the CZ-RTC5A controller.

Auto Address Setting* from the Remote Controller (CZ-RTC4)

Procedure for auto address setting using the CZ-RTC4 controller.

6. Caution for Pump Down

7. Self-Diagnosis Function Table and Contents of Alarm Display

• Cause and countermeasure against the symptom of auto address failure

Troubleshooting steps for auto address setting failures.

7. Self-Diagnosis Function Table and Contents of Alarm Display

7. Self-Diagnosis Function Table and Contents of Alarm Display

7. Self-Diagnosis Function Table and Contents of Alarm Display

7. Self-Diagnosis Function Table and Contents of Alarm Display

ATTENTION! Adjustment of terminating resistance (pin) is necessary.

Procedures for adjusting terminating resistance for proper communication.