Hitachi YUTAKI S COMBI RWD-3.0NWE-200S-K User Manual

194 pages

To Next Page

To Next Page

Page #1 background image

Loading...

Page #1 background image

YUTAKI SERIES

Table of Contents

Questions and Answers:

S
Sarah PalmerSep 8, 2025
What causes Activation of protection device (high pressure cut) on Hitachi Air Conditioner?
- P
  phillip11Sep 8, 2025
  If your Hitachi Air Conditioner displays 'Activation of protection device (high pressure cut)', inspect the entire system for the mentioned failures. This can be caused by activation of PSH, locked motor, abnormal operation in the power supply phase, failure of fan motor, drain discharge, PCB, relay, float switch activated, pipe clogging, excessive refrigerant, or inner gas mixing, or fan motor locking at cooling operation.
M
Mr. Anthony MunozSep 7, 2025
How to solve Incorrect capacity setting or combined capacity between outdoor and indoor units on Hitachi YUTAKI S COMBI RWD-3.0NWE-200S-K Air Conditioner?
- D
  Dr. William Brown IIISep 7, 2025
  If your Hitachi Air Conditioner displays 'Incorrect capacity setting or combined capacity between outdoor and indoor units', ensure proper capacity settings for both units. This is caused by an incorrect Capacity Code Setting, or Excessive or Insufficient Indoor Unit Total Capacity Code.
R
Richard BaxterSep 6, 2025
How to solve RF Communication failure on Hitachi Air Conditioner?
- K
  Kurt TateSep 6, 2025
  If your Hitachi Air Conditioner shows 'RF Communication failure', check the RF communication setup. This issue occurs when there is no communication for 1 hour with one or two RF receivers which are bound to the RF-Bridge.
M
Michael CruzSep 5, 2025
What does Decrease in discharge gas superheat mean for Hitachi Air Conditioner?
- T
  toddedwardsSep 5, 2025
  If your Hitachi Air Conditioner displays 'Decrease in discharge gas superheat', check refrigerant charge and inspect related components. Possible causes are excessive refrigerant charge, failure of thermistor, incorrect wiring, incorrect piping connection, or expansion valve locking at opened position (disconnected connector).
D
David DavisSep 5, 2025
What causes excessively high discharge gas temperature at the top of compressor in Hitachi Air Conditioner?
- A
  Andrea HendersonSep 5, 2025
  If your Hitachi Air Conditioner shows 'Excessively high discharge gas temperature at the top of compressor', inspect refrigerant levels and expansion valves. This can be caused by insufficient refrigerant charge, refrigerant leakage, or an expansion valve that is closed or clogged.
G
Gregory GardnerAug 23, 2025
How to fix Hitachi YUTAKI S COMBI RWD-3.0NWE-200S-K Air Conditioner transmission alarm?
- D
  danielbennettAug 25, 2025
  If your Hitachi Air Conditioner displays a 'Transmission Alarm (Not outdoor unit detected)', it typically indicates a connection issue. Check the connectors for any looseness or breakage, as the cause may be a loose, disconnected, broken, or short-circuited connector.
J
Jessica WilliamsSep 3, 2025
What causes Transmission error between Central and indoor communication in Hitachi Air Conditioner?
- R
  rebecca70Sep 3, 2025
  If your Hitachi Air Conditioner displays a 'Transmission error between Central and indoor communication', inspect and repair the indoor fuse and wiring. The issue is often caused by an indoor fuse meltdown or problems with the indoor/central connection wiring (breaking, wiring error, etc.).
C
cfieldsSep 2, 2025
How to reconfigure LCD settings on Hitachi YUTAKI S COMBI RWD-3.0NWE-200S-K Air Conditioner?
- M
  Michael NortonSep 2, 2025
  If your Hitachi Air Conditioner displays 'Incorrect LCD setting', reconfigure the LCD settings. This indicates that the current LCD configuration does not allow proper operation.
N
Nancy SalazarSep 1, 2025
How to troubleshoot Hitachi YUTAKI S COMBI RWD-3.0NWE-200S-K LCD H-link RCS transmission error?
- J
  John ArnoldSep 2, 2025
  If your Hitachi Air Conditioner shows 'LCD H-link RCS transmission error', inspect and repair the H-link communication wiring. The cause is no H-link communication for a continuous period of 1 minute between Indoor and LCD User control by connection wiring (breaking, wiring error, etc.)
N
Nicholas ChungSep 1, 2025
What causes Hitachi Air Conditioner hydraulic alarm pressure?
- J
  jessica70Sep 1, 2025
  If your Hitachi Air Conditioner displays 'Hydraulic alarm pressure', check the system for any leaks or blockages affecting water pressure. This alarm indicates that water pressure is not detected in the hydraulic cycle.

Hitachi YUTAKI S COMBI RWD-3.0NWE-200S-K Specifications

General

Heating Capacity	3.0 kW
Refrigerant	R32
Energy Efficiency Ratio (Heating)	4.5
Weight (Indoor Unit)	45 kg
Type	Air to Water Heat Pump
Power Supply	220-240 V, 50 Hz

Summary

General Safety Notes

Additional Safety Information

Provides crucial safety warnings and precautions for handling and operating the heat pump.

Important Notice

Highlights critical instructions for installation, use, and operation to prevent faults or damage.

Working Range

Temperature Working Range

Defines the operational temperature limits for space heating, DHW, and pool heating.

Refrigerant Cycle and Hydraulic Circuit

Refrigerant Cycle and Hydraulic Circuit for Split System

Refrigerant Cycle and Hydraulic Circuit for Monobloc System - YUTAKI M

Refrigerant and Water Piping

Refrigerant Piping

Covers refrigerant piping length, size, and installation guidelines.

Precautions in the Event of Gas Refrigerant Leaks

Outlines safety measures and concentration limits for refrigerant leaks.

Water Piping Length

Electrical and Control Settings

Electrical Connection

Details wiring sizes and minimum requirements for protection devices.

Setting of DIP Switches and RSW Switches

Terminal Board Connections

Unit Controller

Wizard Start-Up Configuration

Guides the user through the initial setup and configuration of the controller.

Commisioning

Details procedures for air purging, unit testing, and screed drying.

Factory Reset

Troubleshooting

Alarms for Indoor Units

Lists and explains alarm codes and their main causes for indoor units.

Alarms for Outdoor units

Lists and explains alarm codes and their main causes for outdoor units.

Maintenance

Maintenance Work

General Maintenance Procedure for the Outdoor Unit

Detailed maintenance steps for the outdoor unit's components.

General Maintenance Procedure for the Indoor Unit

Detailed maintenance steps for the indoor unit's components and piping.

Draining

Related product manuals

YUTAKI S COMBI RWD-3.0NWE-260S

YUTAKI S COMBI RWD-2.0NWE-200S

YUTAKI S COMBI RWD-2.5NWE-260S

YUTAKI S COMBI RWD-4.0NWE-200S

YUTAKI S COMBI RWD-4.0NWE-260S

YUTAKI S COMBI RWD-6.0NWE-260S

Hitachi YUTAKI S RWM-2.0NE

Hitachi YUTAKI S RWM-4.0NE

Hitachi YUTAKI S RWM-8.0NE

Hitachi YUTAKI S RWM-5.0NE

Hitachi YUTAKI S RWM-10.0NE

Preview: Hitachi YUTAKI Series

Hitachi YUTAKI Series