Panasonic U-20GES3E5 Manual De Instrucciones

Procedures and Technical Points
for Test Run
The following is instead for the installer responsible for installation of this air conditioning system, and should be
carefully read before beginning.
2WAY Multi
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).
 In addition, the following instruction documents are attached for the outdoor units: "Procedures and Technical
Points for System Installation", "Procedures and Technical Points for Electrical Wiring Work (Outdoors)" and
"INSTALLATION INSTRUCTIONS". Be sure to also refer to these documents.
* Perform the initial system setup and a test run and confirm there are no operating problems. Also explain to the
customer the operation and maintenance procedures, as described in the instruction manual.
CONTENTS
IMPORTANT! ......................................................................1
SAFETY PRECAUTIONS ...................................................2
1. Precautions ....................................................................3
2. Test Run Procedure .......................................................3
3. Setting the Fuel Gas Type (If Band P (LPG) is Used) ....6
4. Checking the Date and Time in the GHP outdoor unit ...6
5. Checking the Initial Settings in the GHP outdoor unit ....7
6. Checking and Setting the Fuel Gas Type in the GHP
outdoor unit ....................................................................8
7. Setting the Number of Connected Indoor/Outdoor
Units in the GHP outdoor unit .........................................8
8. Setting the System Address and Outdoor Unit Address
in the GHP outdoor unit ..................................................9
IMPORTANT!
Read Before Starting
This air conditioning system meets strict safety and
operating standard. As the installer or service person, it
is an important part of your job to install or service the
system so it operates safely and efficiently.
For safe installation and trouble-free operation, you
must:
 Carefully read this instruction booklet before beginning.
 Follow each installation or repair step exactly as
shown.
 Observe all local, state, and national installation codes.
 Pay close attention to all warning and caution notices
given in this manual.
This symbol refers to a
hazard or unsafe practice
WARNING
which can result in severe
personal injury or death.
This symbol refers to a
hazard or unsafe practice
CAUTION
which can result in personal
injury or product or property
damage.
If Necessary, Get Help
These instructions are all you need for most installation
sites and maintenance conditions. If you require help for
a special problem, contact our sales/service outlet or your
certified dealer for additional instructions.
In Case of Improper Installation
The manufacturer shall in no way be responsible for
improper installation or maintenance service, including
failure to follow the instructions in this document.
ACXF60-31400
U-20GES3E5, U-10MES2E8
9. Settings for the unit number setting, number of outdoor
units, number of indoor units, and system addresses on
the U-10MES2E8 .........................................................10
10. Setting Terminator Status ............................................. 11
11. Items to Check before the Test Run .............................12
12. Checking Refrigerant Tubing and Control Cable
Connections between Indoor/Outdoor Units ................13
13. Setting the Indoor Unit Addresses (Automatic
Addresses) ...................................................................13
14. Test Run Settings .........................................................16
15. Diagnostic Self-Check List (GHP) ................................18
16. Diagnostic Self-Check List (U-10MES2E8) ..................20
17. Checking the Indoor Unit Addresses ............................22
18. Changing the Indoor Unit Addresses (If Necessary) ....23
19. Precautions ..................................................................23
SPECIAL PRECAUTIONS
When Wiring
WARNING
ELECTRICAL SHOCK CAN
CAUSE SEVERE PERSONAL
INJURY OR DEATH. ONLY A
QUALIFIED, EXPERIENCED
ELECTRICIAN SHOULD
ATTEMPT TO WIRE THIS
SYSTEM.
• Do not supply power to the unit all
wiring and tubing are completed or
reconnected and checked.
• Highly dangerous electrical voltage
are used in this system. Carefully
refer to the wiring diagram and these
instructions when wiring. Improper
connections and inadequate grounding
can cause accidental injury or death.
• The unit must be connected to the
earth according to local electrical code.
• Connect all wiring tightly. Loose wiring
may cause overheating at connection
points and a possible fire hazard.
New Refrigerant R410A