EasyManua.ls Logo

Daikin EWYT021CZO-A1 User Manual

Daikin EWYT021CZO-A1
59 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
D-EIMHP01505-22_00EN 1/59
REV
00
Date
31/05/2022
Supersedes
-
Air to water heat pump units with scroll compressors split
version
EWYT~CZ(I/O)
Original Instructions
Installation and Maintenance Manual
D-EIMHP01505-22_00EN

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Daikin EWYT021CZO-A1 and is the answer not in the manual?

Daikin EWYT021CZO-A1 Specifications

General IconGeneral
BrandDaikin
ModelEWYT021CZO-A1
CategoryHeat Pump
LanguageEnglish

Summary

Introduction to Daikin Heat Pump Units

1.1. Precautions against residual risks

Essential safety measures and personal protective equipment to prevent risks during operation and maintenance.

1.4. Safety Devices General Description

Description of the integrated leak detection system and emergency fan for unit safety.

Mechanical Installation Guidelines

4.1. Safety

Essential safety precautions for personnel involved in mechanical installation tasks.

4.2. Handling and lifting

Procedures and precautions for safely handling and lifting the unit to prevent damage and injury.

4.2.1. Lifting the Outdoor MONO unit

Specific instructions for lifting the outdoor MONO unit using appropriate equipment and methods.

4.2.2. Lifting the Outdoor DUAL unit

Specific instructions for lifting the outdoor DUAL unit using appropriate equipment and methods.

4.2.3. Lifting the INDOOR unit

Specific instructions for lifting the indoor unit, typically using a forklift on its pallet.

4.3. Outdoor Unit Positioning and assembly

Guidelines for selecting a suitable foundation and assembling the outdoor unit.

4.3.1. Outdoor Unit Minimum space requirements

Mandatory clearances around the outdoor unit for ventilation and maintenance access.

4.7. Preparing Refrigerant Piping

Precautions for ensuring refrigerant piping is clean, dry, and tight for R32 systems.

Electrical Installation Procedures

5.1. General specifications

Guidelines for wiring, transmission limits, and electrical safety precautions for the unit.

5.2. Electric connections

Procedures for electrical connections, emphasizing correct wiring and safety measures.

5.3.2. Safety device requirements

Mandatory safety devices, including residual current devices and fuse recommendations.

Refrigerant Piping Connection

6.1. To braze the pipe end

Instructions and precautions for brazing refrigerant piping ends, including nitrogen purging.

6.3. To connect the refrigerant piping to the outdoor unit

Step-by-step process for connecting field piping to the outdoor unit, including leak testing.

6.4. To connect the refrigerant piping to the indoor unit

Procedure for connecting refrigerant piping to the indoor unit, emphasizing gas pipe brazing first.

6.5. Checking the refrigerant piping

Workflow for checking refrigerant piping integrity, including leak testing and vacuum drying.

6.5.1. Pressure Leak Test

Method for performing a pressure leak test using nitrogen gas to detect leaks.

6.5.2. To perform vacuum drying

Procedure for vacuum drying the system to remove moisture and air, ensuring expansion valve is open.

6.6. Charging Refrigerant

Introduction to the process of charging the refrigerant into the system.

6.6.1. Precautions when charging refrigerant

Safety precautions and procedures to follow when charging R32 refrigerant into the unit.

Operator's Responsibilities

Maintenance Procedures

Refrigerant Circuit Diagrams

Unit Commissioning

11. COMMISSIONING

General checklist for commissioning the unit, to be conducted by authorized DAIKIN personnel.

Related product manuals