Table des Matières
Publicité
Les langues disponibles
Les langues disponibles
6. 2. Additional charging
Refrigerant suitable for a total piping length of 98 ft (30 m) is charged in the outdoor unit at
the factory.
When the piping is longer than 98 ft (30 m), additional charging is necessary.
For the additional amount, see the table below.
Total piping
98 ft
length
(30 m)
Additional
None
refrigerant
When moving and installing the air conditioner, do not mix gas other than the specifi ed
refrigerant (R410A) inside the refrigerant cycle.
When charging the refrigerant R410A, always use an electronic balance for refrigerant
charging (to measure the refrigerant by weight).
When charging the refrigerant, take into account the
slight change in the composition of the gas and liquid
phases, and always charge from the liquid phase side
whose composition is stable.
Add refrigerant from the charging valve after the completion of the work.
If the units are further apart than the maximum pipe length, correct operation cannot
be guaranteed.
7. POWER
The rated voltage of this product is 208/230 V A.C. 60 Hz.
Before turning on verify that the voltage is within the 187 V to 253 V range.
Always use a special branch circuit and install a special receptacle to supply power to
the air conditioner.
Use a special branch circuit breaker and receptacle matched to the capacity of the air
conditioner. (Install in accordance with standard.)
Perform wiring work in accordance with standards so that the air conditioner can be
operated safely and positively.
Install a leakage special branch circuit breaker in accordance with the related laws
and regulations and electric company standards.
The power source capacity must be the sum of the air conditioner current and the cur-
rent of other electrical appliances. When the current contracted capacity is insuffi cient,
change the contracted capacity.
When the voltage is low and the air conditioner is diffi cult to start, contact the power
company the voltage raised.
131 ft
164 ft
(40 m)
(50 m)
7.1 oz
14.1 oz
0.21 oz/ft
(200 g)
(400 g)
(20 g/m)
CAUTION
Gas
R410A
Liquid
WARNING
CAUTION
8. TEST RUN
The test run method may be different for each indoor unit that is connected. Refer to the
installation instruction sheet included with each indoor unit.
Always turn on the power 12 hours prior to the start of the operation in order to ensure
compressor protection.
8. 1. Make a test run in accordance with the installation Manual
for the indoor unit
(1) Indoor unit
1 Is operation of each button on the remote control unit normal?
2 Does each lamp light normally?
3 Do the airfl ow direction louver operate normally?
4 Is the drain normal?
5 Is there any abnormal noise and vibration during operation?
(2) Outdoor unit
1 Is there any abnormal noise and vibration during operation?
2 Will noise, wind, or drain water from the unit disturb the neighbors?
3 Is there any gas leakage?
• Do not operate the air conditioner in the test running state for a long time.
• For the operation method, refer to the operating manual and perform operation check.
8. 2. Outdoor unit LED
When a malfunction occurs in the outdoor unit, the LED on the circuit board lights to
indicate the error. Refer to the following table for the description of each error according to
the LED.
Error contents
Serial Communication error (Outdoor unit
to Indoor unit A)
Serial Communication error (Outdoor unit
to Indoor unit B)
Serial Communication error (Outdoor unit
*1
to Indoor unit C)
Discharge temp. sensor error
Outdoor unit Heat Ex. middle temp. sen-
sor error
Outdoor temp. sensor error
2-way valve temp. sensor error
(for Indoor unit A)
2-way valve temp. sensor error
(for Indoor unit B)
2-way valve temp. sensor error
*1
(for Indoor unit C)
3-way valve temp. sensor error
(for Indoor unit A)
3-way valve temp. sensor error
(for Indoor unit B)
3-way valve temp. sensor error
*1
(for Indoor unit C)
Compressor temp. sensor error
Heat sink temp. sensor error
High pressure switch 1 error
High pressure switch 2 error
Indoor unit capacity error
Trip detection
Compressor rotor position detection error ● 13 times
Trip terminal L error
Outdoor unit fan motor error
Outdoor unit PCB microcomputer com-
munication error
Discharge temperature error
Compressor temperature error
4-way valve error
Outdoor unit PCB model information er-
ror
Active fi lter error, PFC circuit error
● : fl ashing
– : Off
*1: 24 type only
CAUTION
LED1
LED2
LED3
● 1 time
–
–
–
● 1 time
–
–
–
● 1 time
● 2 times
–
–
● 3 times
–
–
● 4 times
–
–
● 5 times
–
–
–
● 5 times
–
–
–
● 5 times
● 6 times
–
–
–
● 6 times
–
–
–
● 6 times
● 7 times
–
–
● 8 times
–
–
● 9 times
–
–
● 10 times
–
–
● 11 times
–
–
● 12 times
–
–
–
–
● 14 times
–
–
● 15 times
–
–
● 17 times
–
–
● 18 times
–
–
● 19 times
–
–
● 20 times
–
–
● 21 times
–
–
● 22 times
–
–
En-12
Publicité
Chapitres
Table des Matières
