Daikin EWYT040CZP-A2 User Manual

REV 00
Date 04/2021
Supersedes /
Installation, Maintenance and Operation Manual
DEIMHP0140521_00EN
Air to water heat pump units with scroll compressors
EWYT~CZ / EWAT~CZ

Daikin EWYT040CZP-A2 Specifications

General

Model	EWYT040CZP-A2
Category	Heat Pump
Cooling Capacity	4.0 kW
Refrigerant	R32
Power Supply	50Hz

Summary

1.3. Information about the refrigerant

1.4. Installation information

Additional guidelines for safe use of R32 for equipment located in the open air

Additional guidelines for safe use of R32 for equipment located in a machinery room

4. MECHANICAL INSTALLATION

4.1. Safety

Safety measures for personnel performing installation tasks.

4.2. Handling and lifting

Procedures for safely moving and lifting the unit to prevent damage.

4.2.1. Lifting the MONO unit

4.2.2. Lifting the DUAL unit

4.3. Positioning and assembly

4.4. Minimum space requirements

4.5. Additional installation site requirements

4.7. Water circuit for connection with the unit

4.7.1. Water piping

4.7.2. Flow switch

Explanation of the flow switch function and setting for unit protection.

4.7.3. Preparing and checking the water circuit connection

4.8. Water treatment

4.11. Operation limits

4.12. Operating stability and minimum water content in the system

4.13. Calibrating the expansion vessel

4.14. Antifreeze protection for BPHE and recovery exchangers

5. ELECTRICAL INSTALLATION

5.1. General specifications

5.2. Electric connections

5.2.1. Cable requirements

5.2.3. Safety device requirements

6. OPERATOR'S REPONSIBILITIES

7. MAINTENANCE

7.2. Routine maintenance

Schedule and tasks for regular maintenance activities.

7.2.1. Air Heat Exchanger Maintenance

7.2.2. Electrical System Maintenance Checks

7.2.4. Refrigerant circuit scheme

9. CHECKS FOR THE FIRST STARTUP

10. IMPORTANT INFORMATION ON THE REFRIGERANT USED