151
11.13 INSTALLATION INSTRUCTIONS FS MULTI OUTDOOR UNIT
HP MODEL
NAME
4 HP
U-4LA1E5
5 HP
U-5LA1E5
REFRIGERANT
R 410A
6 HP
U-6LA1E5
Refer to the indoor unit installation instruction manual for the indoor unit installation.
Note: Ensure to hand over this installation instruction manual to the person performing the installation and
inform the customer to keep it properly stored.
•
This product uses refrigerant series R410A with the design pressure of 4.15 MPa.
•
Refer to the caution items listed in “Refrigerant installation” for the installation of the refrigerant piping and
maintain strict control concerning the prevention of mixing impurities (water and mineral oils such as Suniso oils)
with R410A.
•
The indoor unit to be connected must be R410A compatible and be sure to check the catalogue, etc. for available
models. The product may not operation properly if connected to other indoor units.
Option parts: For piping installation, branch pipe unit is needed. Make the
necessary preparations for the number of indoor units for piping
installation to be connected.
Caution: Ensure that the branch pipe unit used is compatible with R410A. Refer to
“Refrigerant installation” for the refrigerant piping installation.
Line branch pipe model
number
CZ-P155BK1
Combination of indoor and outdoor units
Indoor unit cooling rated capacity
Number of connectable indoor units
Outdoor unit
model name
Outdoor unit cooling
rated volume
Minimum Maximum Minimum Maximum
U-4LA1E5
11.2kW
5.6kW
14.6kW
2 unit
6 unit
U-5LA1E5
14.0kW
7.0kW
18.2kW
2 unit
8 unit
U-6LA1E5
15.5kW
7.8kW
20.2kW
2 unit
8 unit
1. Use the above table to combine the number of indoor units with the appropriate capacity which matches the
outdoor unit’s cooling capacity rate. Set the combined number of units to comply with the appropriate capacity.
2. Assuming a system where all indoor units are operating at the same time, set the total capacity of the indoor
units to less than the outdoor unit’s cooling capacity rate.
Precautions in terms of safety
Carry out installation work with reliability after thorough reading of this “Precaution in terms of safety”.
•
Precautions shown here are differentiated between
Warnings
and
Cautions
. Those that have much chances
for leading to significant result such as fatality or serious injury if wrong installation would have been carried out
are listed compiling them especially into the column of
Warnings
.
However, even in the case of items which are listed in the column of
Cautions
, such items also have a chance
for leading to significant result depending on the situations.
In either case, important descriptions regarding the safety are listed, then observe them without fail.
•
As to indications with illustration
This mark means “Caution” or “Warning”.
This mark means “Earth”.
•
After installation work has been completed, do not only make sure that the unit is free from any abnormal
condition through the execution of try run but also explain how to use and how to perform maintenance of this
unit to the customer according to the instruction manual.
In addition, request the customer to keep this manual for installation work together with instruction manual.
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Страница 43: ...43 4 4 Slim Hide Away Type Indoor Unit 4 4 1 S 22NA1E5 S 28NA1E5 S 32NA1E5 S 36NA1E5 S 45NA1E5 S 56NA1E5 ...
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Страница 51: ...51 7 Wiring Connection Diagram 7 1 Wall Mounted Type Indoor Unit KA1E5 Series ...
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Страница 57: ...57 8 Electronic Circuit Diagram 8 1 Wall Mounted Type Indoor Unit KA1E5 Series ...
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Страница 70: ...70 9 1 3 Receiver PCB CN DISP 9 1 4 Error Code Display PCB CN CODE ...
Страница 74: ...74 9 6 Outdoor Unit LA1E5 Series 9 6 1 Main PCB ...
Страница 75: ...75 9 6 2 Noise Filter PCB CN TH1 CN OPT4 CN OPT3 CN V1 CN V2 CN OPT1 CN PWR CN OPT2 CN RY1 CN HOT ...
Страница 76: ...76 9 6 3 Capacitor PCB DCN IN DCN OUT DCP IN DCP OUT ...
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