Advertisement
Table of Contents
- 1 Table of Contents
- 2 Precautions for Safety
- 3 Accessory Parts
- 4 Installation of R32 Air to Water Heat Pump
- 5 Installation Conditions
- 6 Refrigerant Piping
- 7 Air Purging
- 8 Electrical Work
- 9 Earthing
- 10 Finishing
- 11 Test Run
- 12 Annual Maintenance
- 13 Air to Water Heat Pump Operating Conditions
- 14 Functions to be Implemented Locally
- 15 Troubleshooting
- 16 HWT-1401HW-E 15 a Ppendix
- Download this manual
AIR TO WATER HEAT PUMP
Installation Manual
Outdoor Unit
Model name:
4kW model (HWT-40)
HWT-401HW-E
6kW model (HWT-60)
HWT-601HW-E
8kW model (HWT-80)
HWT-801HW-E
HWT-801HRW-E
HWT-801H8W-E
HWT-801H8RW-E
11kW model (HWT-110)
HWT-1101HW-E
HWT-1101HRW-E
HWT-1101H8W-E
HWT-1101H8RW-E
14kW model (HWT-140)
HWT-1401HW-E
HWT-1401HRW-E
HWT-1401H8W-E
HWT-1401H8RW-E
R32
English
Advertisement
Table of Contents
Related Manuals for Toshiba HWT-1401HW-E
Summarization of Contents
Precautions for Safety
Qualified Installation Professionals
Emphasizes using authorized dealers or qualified professionals for installation and maintenance.
Proper Earthing Requirements
Highlights the importance of correct earthing to prevent electric shock and reduce electrical noise.
Electrical Work Safety Precautions
Stresses turning off power before electrical work and using exclusive power circuits for safety.
Safe Installation Practices and Location
Covers correct installation procedures and warns against installing near combustible gas sources.
R32 Refrigerant and Recovery Precautions
Details R32 refrigerant characteristics, installation space cautions, and safe refrigerant recovery procedures.
Accessory Parts
Included Manuals and Labels
Lists included documentation: installation manual, energy label, WEEE manual, F-Gas label, and product fiche.
Piping and Cable Management Components
Details components like drain nipples, rubber caps, protective bushes, guard materials, and cable ties.
Required Tools and Usage Precautions
Lists essential tools for installation and provides guidance on their correct usage.
Installation Conditions
Pre-installation Preparation and Pipe Requirements
Covers items to prepare, pipe material, and length considerations before installation begins.
System Integrity Checks: Airtight Test and Air Purge
Details the procedures for airtight testing and air purging to ensure system integrity.
Electrical Wiring and Earthing
Provides guidelines for secure electrical wiring and essential earthing for operational safety.
Installation Location and Test Run
Covers site selection, windproofing measures, and post-installation operational checks.
Necessary Space for Installation (Unit: mm)
Single Unit Installation Clearances
Illustrates required spacing for single outdoor unit installations based on obstacle configurations.
Serial and Multiple Unit Installation Clearances
Shows required spacing for serial and multiple unit installations considering various obstacle arrangements.
Installation of Outdoor Unit
Base Preparation and Fixing
Instructions for preparing the base and securely fixing the outdoor unit using anchor bolts.
Drainage System Installation
Guidance on installing drain nipples, rubber caps, and hoses for effective condensate drainage.
Cold Climate Drainage Protection
Recommends using an anti-freeze heater in cold climates to prevent freezing of drainage components.
Refrigerant Piping
Refrigerant Pipe Specifications and Preparation
Covers pipe material, dimensions, and service panel access necessary for piping work.
Pipe Cover Knockout and Flaring Procedure
Details creating pipe openings and the proper flaring procedure for secure refrigerant connections.
Refrigerant Piping Connection and Precautions
Provides guidance on connecting pipes, dimensions, and essential precautions for safe installation.
Air Purging
Airtight Test and Gas Leak Check
Details the procedure for airtight testing using nitrogen and steps for gas leak checking.
Air Purge Procedure with Vacuum Pump
Describes using a vacuum pump for air removal, emphasizing backflow prevention for system protection.
Replenishing Refrigerant
Refrigerant Pipe Length and Addition Guidelines
Specifies refrigerant pipe length limits and procedures for adding refrigerant based on length.
Refrigerant Replenishing Procedure
Provides a step-by-step guide for charging the system with the correct amount of refrigerant.
Gas Leak Inspection and Precautions
Details using leak detectors for HFC refrigerants and precautions against ignition sources during inspection.
Electrical Work
Electrical Safety Warnings and Precautions
Covers secure wiring, earthing, and wire specifications to prevent electrical hazards.
Power Supply and Wire Specifications
Details power supply requirements and specifications for power supply and connecting wires.
Hydro and Outdoor Unit Wiring Procedures
Illustrates system interconnection wiring and provides procedures for connecting wires between units.
Earthing
Importance of Proper Earthing
Explains why proper earthing is essential for safety and reducing electrical charges on the unit surface.
Finishing
Pipe and Wire Management
Guidance on covering and clamping refrigerant pipes and wires after connection for neatness and safety.
Test Run
Pre-Test Run Checks
Lists essential checks before starting the test run, including leak checks and valve status.
Test Run Procedure
Instructions on how to perform the test run and what to check for proper operation.
Annual Maintenance
Maintenance Recommendations
Strongly recommends cleaning and maintenance by a qualified person every 3 months for optimal performance.
Air to Water Heat Pump Operating Conditions
Recommended Operating Temperature Ranges
Specifies the optimal temperature conditions for cooling, heating, and hot water operations.
Functions to be Implemented Locally
Existing Pipe Reuse Guidelines
Provides checks and restrictions for reusing existing refrigerant piping, ensuring compatibility.
Pipe Wall Thickness Requirements
Specifies minimum wall thickness requirements for pipes based on their diameter for safe operation.
Refrigerant Recovery
Refrigerant Recovery Operation and Controls
Details the operation using service switches and monitoring LED displays for refrigerant recovery.
LED Display Status and Interpretation
Explains the meaning of LED indicators during the refrigerant recovery process for troubleshooting.
Troubleshooting
LED Displays and Check Codes for Diagnosis
Explains how to use LED displays and check codes for diagnosing unit failures effectively.
Trouble Descriptions and LED Indicators
Lists common troubles and their corresponding LED display patterns for accurate diagnosis.
Appendix
Existing Piping Reuse Guidelines and Warnings
Provides guidelines and warnings for reusing existing refrigerant piping to ensure compatibility and safety.
Pipe Diameter and Thickness Specifications
Specifies pipe diameter and required wall thickness for proper refrigerant flow and pressure capacity.
Need help?
Do you have a question about the HWT-1401HW-E and is the answer not in the manual?
Questions and answers