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Toshiba Estia RUA-CP1701H User Manual

Toshiba Estia RUA-CP1701H
164 pages
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FILE No. EU-SVM-17001
(3
rd
Revision: July 2019)
AIR TO WATER HEAT PUMP
Service Manual
Monobloc Outdoor Unit
Model name:
RUA – CP1701H*
RUA – CP2101H*
* See next page for model naming convention

Table of Contents

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Toshiba Estia RUA-CP1701H Specifications

General IconGeneral
ModelRUA-CP1701H
RefrigerantR410A
TypeHeat Pump
Heating Capacity17.0 kW
Cooling Capacity5.0 kW
Outdoor Unit Dimensions (HxWxD)320 mm

Summary

SAFETY PRECAUTIONS

Safety Precautions and Symbols

Essential safety precautions and symbols to understand before operation.

REFRIGERANT (R410A)

Safety during Installation & Service

Safety guidelines for handling R410A refrigerant during installation and service.

Tools for R410A Refrigerant

List of required tools for working with R410A refrigerant systems.

Repair and Recharge of Refrigerant

Procedures and precautions for repairing and recharging refrigerant in the system.

WIRING DIAGRAM

Monobloc Outdoor Unit Wiring

Schematic and connection diagrams for the monobloc outdoor unit's internal wiring.

REFRIGERATION CYCLE / WATER SYSTEM DIAGRAMS

Refrigeration Cycle System Diagram

Diagrams showing the refrigeration cycle for pumpless and variable/fixed speed models.

OPERATIONAL DESCRIPTION

System Protection and Control Logic

Explanation of control methods, freeze protection, inverter logic, and defrost operations.

METHOD OF DEFECT ANALYSIS

Initial Checks and Non-Defective Operations

Initial checks, clarification of non-defective operations, and determination diagram outline.

Diagnosis Flow Charts for Error Codes

Flow charts for diagnosing specific error codes and alarms related to unit failures.

MAIN COMPONENTS REPLACEMENT

Major Component Replacement

Procedures for replacing critical components like compressor, reactors, and accumulators.

PC Board Replacement

Procedures for replacing the Inverter Box and NHC Board.

DOWNLOADING NEW SOFTWARE VERSION

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