EN
Procedures and Technical Points
for Electrical Wiring Work (Outdoors)
The following is instead for the installer responsible for outdoor electrical connections of this air
conditioning system, and should be carefully read before beginning.
2WAY Multi
U-20GES3E5, U-10MES2E8
The U-20GES3E5 is a specialized GHP outdoor unit for multi-system configurations that incorporate a Gas
heat pump air conditioner (GHP) and an Electrical heat pump air conditioner (EHP).
The U-10MES2E8 is a specialized EHP outdoor unit for multi-system configurations that incorporate a Gas
heat pump air conditioner (GHP) and an Electrical heat pump air conditioner (EHP).
CONTENTS
SAFETY PRECAUTIONS .....................................1
ELECTRICAL WIRING REQUIREMENTS
(a) Precautions regarding electrical wiring ........2
(b) Wiring capacity .............................................6
(c) Electrical Wiring System Diagram ................7
•
In addition, the following instruction manuals are attached for the indoor and outdoor units : “Procedures and
Technical Points for Electrical Wiring Work (Indoors),” “Installation Instructions” and “Test Run Procedures.”
Be sure to refer to these manuals as necessary.
The Precautions given in this manual consist of specific “Warning” and “Cautions.” They provide
important safety-related information and are important for your safety, the safety of others, and
trouble-free operation of the system. Be sure to strictly observe all safety procedures. The labels
and their meanings are as described below.
WARNING
This symbol refers to a hazard or unsafe practice which can result on severe
personal injury or death.
CAUTION
This symbol refers to a hazard or unsafe practice which can result in personal injury
or product or property damage.
NOTICE
•
The English text is the original instructions. Other languages are translation of the
original instructions.
SAFETY PRECAUTIONS
WARNING
•
Be sure to arrange installation from the dealer where the system was
purchased or using a professional installer. Electric shock or fire may result
if an inexperienced person performs any installation or warning procedures
incorrectly.
•
Only a qualified electrician shall connect this system, in accordance with the
instructions given in “Engineering Standard Related to Electrical Equipment,”
“Building Wiring Regulations,” “Procedures and Technical Points for Electrical
Wiring Work (Outdoors)” and “INSTALLATION INSTRUCTIONS.” Electric shock
or fire may result if electrical work is not correctly done.
Important Information Regarding the Refrigerant Used
This product contains fluorinated greenhouse gases. Do not vent gases into the atmosphere.
Refrigerant type: R410A
GWP
(1)
value: 2088
(1)
GWP = global warming potential
Periodical inspections for refrigerant leaks may be required depending on European or local legislation. Please contact
your local dealer for more information.
New Refrigerant R410A
FR
IT
PT
ES
DE
ACXF60-31390
00_301050_Electrical_All.indb 1
2018/4/3 9:59:13