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Century A-VMH36SD-1 - User Manual

Century A-VMH36SD-1
78 pages
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Table of Contents

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Summary

Precautionary Measures

Safety Precautions

Instructions to prevent injury and property damage, and warnings for correct operation.

Installation Warnings

Critical warnings for safe installation including electrical, structural, and environmental.

Refrigerant Cycle Diagram

Installation and Evacuation Procedures

Initial Installation and Leak Check

Steps for initial installation, leak checking, and system evacuation using a vacuum pump.

Air Purging with Vacuum Pump

Detailed procedure for purging air from the system using a vacuum pump.

Re-installation and Refrigerant Charging Procedures

Re-installation After Repair

Procedures for re-installing indoor or outdoor units after repair.

Refrigerant Charging Procedure

Steps for charging the system with refrigerant after installation or repair.

Operation Characteristics

System Protections and Features

Compressor Restart Delay and Protection

Details on compressor protection against high temperatures and restarts.

Sensor and Refrigerant Leakage Detection

Functionality and protection related to temperature sensors and refrigerant leakage.

Troubleshooting Safety Precautions

Indoor Unit Error Code Diagnosis

Indoor Unit Error Display Table

Lists error codes (E0-E5, EC, F0-F5, P0-P4, P6) and their associated LED statuses.

Fault Symptoms and Troubleshooting

Guidance for garbled codes or unrecognized error codes and basic troubleshooting.

Outdoor Unit Error Display

Outdoor Unit LED Status Codes

Table correlating LED indicators (LED3, LED2) with problems and IU display codes.

EEPROM Parameter Error Diagnosis (E0;F4)

Communication Error Diagnosis (E1)

Zero Crossing Detection Error Diagnosis (E2)

Fan Speed Control Error Diagnosis (E3;F5)

Temperature Sensor Error Diagnosis (E5;F1;F2;F3)

Refrigerant Leakage Detection Diagnosis (EC)

Overload Current Protection Diagnosis (F0)

IPM Malfunction Protection Diagnosis (P0)

Over;Low Voltage Protection Diagnosis (P1)

IPM Module High Temperature Protection Diagnosis (P2)

Inverter Compressor Drive Error Diagnosis (P4)

IPM Continuity Check Procedure

Low Pressure Protection Diagnosis (P6)

Main Parts Checking: Temperature Sensors

Component Checking Procedures

Compressor Winding Resistance Check

Method and expected resistance values for checking compressor windings.

Century A-VMH36SD-1 Specifications

General IconGeneral
HSPF8.5
Cooling Capacity36000 BTU/h
Heating Capacity36000 BTU/h
RefrigerantR410A
Power Supply208/230V, 1Ph, 60Hz

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