Table of Contents
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INSTALLATION AND
MAINTENANCE MANUAL
"
Original Language"
Heat Pump Chiller
This Heat Pump Chiller uses the refrigerant R410A.
Model No.
Class
140
150
170
190
210
Read through the Installation Instructions before you proceed with the installation. In particular, you will need to read under
the " IMPORTANT ! " section at the top of the page.
Outdoor Unit
Standard without
With buffer tank
buffer tank
U-140CWNB
U-140CWBL
U-150CWNB
U-150CWBL
U-170CWNB
U-170CWBL
U-190CWNB
U-190CWBL
U-210CWNB
U-210CWBL
IMM_ECOI-W_140-210_EN_09.19
Panasonic.
September 2019
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Chapters
Table of Contents
Related Manuals for Panasonic 150
Summarization of Contents
Special Precautions
Electrical Safety Warnings
Crucial safety advice for electricians regarding wiring and voltage.
General Recommendations
Safety Directions
Follows safety rules and uses appropriate handling equipment.
Handling
Net Weight
Table detailing net weight for different configurations and models.
Technical Specifications
Physical Characteristics
Detailed technical data including capacity, power, EER, SEER, and dimensions.
Refrigeration Specifications
Fluorocarbon Gas Regulations
Outlines EC regulations for handling fluorinated greenhouse gases.
Operating Limits
Cooling Mode Operating Limits
Graph showing operating limits based on air and leaving water temperatures.
Installation
Siting the Installation
Guidelines for choosing an outdoor installation location for optimal air circulation.
Hydraulic Links
Anti-Clogging Protection
Emphasizes installing a water filter to prevent blockages and damage.
Frost Protection
Water Loop Glycoling
Guidance on glycol concentration and its impact on performance.
Wiring Diagram and Legend
Legend
Explains symbols and codes used in wiring diagrams.
Electrical Connections
Power Supply and Wiring
Details electrical connection requirements, cable selection, and protection devices.
Control
User Interface
Describes the terminal display and buttons for unit operation.
Initial Settings
Time Settings
Instructions for setting the unit's date and time.
Launching the ECOi-W System
Configuring Input D1
Setting up the ON/OFF switch connected to the D1 input.
Water Law
Cool Mode Water Law
Explains how water law adjusts cooling setpoints based on OAT.
"Variable Primary Flow" Option
Constant Speed Mode
Describes pump operation at a fixed speed determined during commissioning.
Alarms
Alarm List and History
How to view active alarms, acknowledge, and access alarm history.
Commissioning
Pre-start Check List
Essential checks before commissioning for optimal operation.
Operating Check List
Compressor and Refrigeration System Checks
Checks compressor operation, pressures, and temperatures.
Maintenance
Weekly Check
Routine inspection of the unit's housing, leaks, and components.
Periodic Table of Service and Maintenance
Refrigerant Circuit Maintenance
Checks for oil level, gas bubbles, humidity, and leaks.
Maintenance Procedures
Refrigerant Circuit Procedures
Details procedures for checking refrigerant charge and compressor oil.
Hydraulic Circuit Maintenance
Winter Protection
Ensures the unit remains on for frost protection.
Troubleshooting
Compressor(s) Not Operating
Troubleshooting for compressor faults, electrical issues, or low voltage.
Dimensions
ECOi-W 140 to 210 without pump
Shows detailed dimensions for units without a pump.
Need help?
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