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Table of Contents
- 1 Table of Contents
- 2 Precautions for Safety
- 3 Accessory Parts and Refrigerant
- 4 Installation of New Refrigerant 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 Appendix
- Download this manual
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Table of Contents
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Summarization of Contents
Precautions for safety
Definition of protective gear
Details protective gear required for various installation tasks.
Warning Indications on the Air to water heat pump Unit
Explains warning symbols and their meanings on the unit.
Accessory parts and refrigerant
Accessory parts
Lists parts included with the outdoor unit installation kit.
Installation of new refrigerant air to water heat pump
Required tools / equipment and precautions for use
Lists necessary tools, equipment, and safety guidelines for installation.
Installation conditions
Installation Prerequisites
General preparatory steps and checks before installation.
Airtight and Air Purge Procedures
Procedures for airtight testing and air purging of the piping system.
Electrical and Earthing Guidelines
Guidelines for electrical wiring and proper earthing of the unit.
Test Run Procedure
Steps to prepare for and conduct a test run after installation.
Refrigerant piping
Pipe Preparation and Knockout
Procedure for preparing pipe covers and knockout sections.
Piping Connection and Tightening
Details on connecting refrigerant pipes and tightening flare nuts.
Refrigerant Pipe Length Specifications
Specifies maximum and minimum lengths for refrigerant pipes.
Optional Installation Parts
Lists optional parts that can be purchased locally for installation.
Air purging
Airtight test procedure
Procedure for conducting an airtight test on the piping system.
Air purge method
Method for removing air from refrigerant lines using a vacuum pump.
Valve operation and refrigerant replenishment
Steps for opening valves and replenishing refrigerant.
Electrical work
Wiring between hydro unit and outdoor unit
Diagram and specifications for wiring between indoor and outdoor units.
How to wire
Step-by-step guide on connecting system interconnection and power wires.
Functions to be implemented locally
Using Existing Pipes
Precautions and checks when using existing pipes for installation.
Refrigerant Recovery and Operation Check
Procedures for recovering refrigerant and operating in check mode.
Troubleshooting
Verifying current abnormal status
How to check for and identify current error codes using LEDs.
Verifying past abnormal states
Method to check for past errors using DIP switches and LEDs.
Appendix
Work Instructions for Existing Pipes
General instructions for working with existing pipes.
Conditions for Reusing Existing Pipes
Conditions and restrictions for reusing existing refrigerant pipes.
Pipe Curing Procedures
Methods for sealing pipes to prevent rust when units are removed.
Greenhouse Gas Information
Information on contained fluorinated greenhouse gases and safety.
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