Toshiba HWS-1103H8-E User Manual

Model name:
Outdoor Unit
HWS-803H-E(TR)
HWS-1103H-E(TR)
HWS-1403H-E(TR)
HWS-1103H8-E
HWS-1103H8R-E
HWS-1403H8-E
HWS-1403H8R-E
HWS-1603H8-E
HWS-1603H8R-E
AIR TO WATER HEAT PUMP
Hydro Unit
HWS-803XWHM3-E(TR)
HWS-803XWHT6-E(TR)
HWS-803XWHD6-E
HWS-803XWHT9-E
HWS-1403XWHM3-E(TR)
HWS-1403XWHT6-E(TR)
HWS-1403XWHD6-E
HWS-1403XWHT9-E(TR)
Hot Water Cylinder
HWS-1501CSHM3-E(-UK)
HWS-2101CSHM3-E(-UK)
HWS-3001CSHM3-E(-UK)
SERVICE MANUAL
A10-006

Toshiba HWS-1103H8-E Specifications

General

Type	Heat Pump
Heating Capacity (kW)	3.6
SEER	6.1
SCOP	4.0
Power Supply	220-240 V, 50 Hz
Energy Efficiency Ratio (Heating)	4.0
Energy Efficiency Ratio (Cooling)	6.1

Summary

1 SAFETY PRECAUTIONS

General Safety Indications

Defines safety indications and symbols used in the manual.

Electrical Safety Warnings

Details hazards and precautions for high voltage and electrical shock.

Fire and Refrigerant Safety

Covers fire prevention and safe handling of refrigerants.

General Operational Safety

Includes precautions for wiring, water leaks, insulation, and ventilation.

2 NEW REFRIGERANT (R410A)

Safety During Installation and Service

Outlines essential safety measures for R410A refrigerant handling.

2-2. Installing refrigerant pipe

Steel Pipe and Joint Requirements

Specifies standards and requirements for steel piping and joints.

Copper Pipe Specifications

Details specifications for copper piping material.

Pipe Joint Methods

Explains flared and socket joint procedures.

2-3. Tools

Necessary Tools for R410A Installation

Lists essential tools for R410A systems and their interchangeability.

2-4. Recharging of refrigerant

Refrigerant Recharging Procedure

Step-by-step guide for recharging refrigerant into the system.

2-5. Brazing of pipes

Brazing Materials and Flux

Covers brazing metals, flux types, and their usage.

Brazing Procedure and Oxidation Prevention

Details the brazing process and methods to prevent oxidation.

3 Specifications

Unit Specifications Overview

Provides general technical specifications for the units.

4 Outside Drawing

Hydro Unit Dimensions and Layout

Presents dimensional drawings and layout of the hydro unit.

Outdoor Unit Dimensions and Layout

Provides dimensional drawings for various outdoor unit models.

5 Wiring Diagram

Hydro Unit Wiring Diagram

Illustrates the electrical connections for the hydro unit.

Outdoor Unit Wiring Diagrams

Shows wiring for single-phase and 3-phase outdoor units.

Hot Water Cylinder Unit Wiring Diagram

Details the wiring for the hot water cylinder unit.

6 Key Electric Component Rating

Hydro Unit Component Ratings

Lists electrical ratings for hydro unit components.

Outdoor Unit Component Ratings

Lists electrical ratings for outdoor unit components.

Hot Water Cylinder Unit Components

Lists components for the hot water cylinder.

Control Boards and Associated Components

Details control boards and related electrical parts.

7 Refrigeration Cycle / Water System Diagram

Water System Diagrams

Illustrates the water circuits and flow paths.

Refrigeration Cycle System Diagrams

Illustrates the refrigerant circuits and components.

8 Operational Description

Basic Operation Modes

Explains fundamental operation controls like heating and hot water supply.

Operation Modes and Control Methods

Details various operating modes and control logic.

Hydro Unit Control Logic

Explains the control functions of the hydro unit.

Outdoor Unit Control Logic

Explains the control functions of the outdoor unit.

9 Method of Defect Diagnosis

Initial Confirmation and Checks

Covers preliminary checks before diagnosing defects.

Non-Defective Operation Identification

Describes normal operations that might be mistaken for defects.

Defect Determination Flowcharts

Provides systematic troubleshooting guides for error codes.

PC Board and Component Checks

Outlines methods for checking PC boards and key components.

10 Hydro unit and Outdoor Unit Settings

Hydro Unit Switch Settings

Explains configuration via DIP switches on the hydro unit.

Hydro Unit Function Code Settings

Details setting parameters using remote controller function codes.

11 Replacement of the Service P.C. Board

PC Board Model and Switch Configuration

Guides on setting jumper wires and DIP switches for different models.

12 How to Exchange Main Parts

Hydro Unit Parts Replacement Procedures

Step-by-step instructions for replacing hydro unit parts.

Outdoor Unit Parts Replacement Procedures

Step-by-step instructions for replacing outdoor unit parts.

13 Periodic Inspection Items

Hydro Unit Inspection Schedule

Lists annual inspection items for the hydro unit.

Outdoor Unit Inspection Schedule

Lists annual inspection items for the outdoor unit.

Hot Water Cylinder Inspection Schedule

Lists annual inspection items for the hot water cylinder.

14 Part Exploded View, Part List

Hydro Unit Parts List

Provides an exploded view and list of hydro unit parts.

Outdoor Unit Parts List (HWS-803H-E)

Lists components for HWS-803H-E.

Outdoor Unit Parts List (HWS-1103H-E, 1403H-E)

Lists components for HWS-1103H-E and 1403H-E.

Outdoor Unit Parts List (HWS-1103H8(R)-E, etc.)

Lists components for 3-phase outdoor units.

15 Outdoor Unit Setting

Refrigerant Recovery Control

Procedure for environment-friendly refrigerant recovery.

Outdoor Unit DIP Switch and Jumper Settings

Explains settings using dip switches and jumpers.

Service Support Functions (LEDs and Switches)

Describes LED indicators and special operation switches.