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Model
U-4LE1E5 U-4LE1E8 U-5LE1E5 U-5LE1E8 U-6LE1E5 U-6LE1E8 S-15M S-22M S-28M S-36M S-45M S-60M S-73M S-90M S-106M S-140M S-160M
Pages
127
Size
7.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner / MINI VRF SYSTEM
File
u-4le1e5-u-4le1e8-u-5le1e5-u-5le1e8-u-6le1e5-u-6le.pdf
Date
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Panasonic U-4LE1E5 / U-4LE1E8 / U-5LE1E5 / U-5LE1E8 / U-6LE1E5 / U-6LE1E8 / S-15M / S-22M / S-28M / S-36M / S-45M / S-60M / S-73M / S-90M / S-106M / S-140M / S-160M Service Manual ▷ View online

3 - 7
3
Mini VRF SYSTEM
Outdoor Unit Maintenance Remote Controller
n   XX-YY R.C. (Fig. 3-3)
Displays the outdoor unit sub-bus address which is 
currently selected.
XX = Outdoor system address on main bus line (1 – 30)
YY = Outdoor unit sub-bus address. 
“1” appears when there is only 1 outdoor unit.
01:  <No. of connected indoor units>
4 units connected
<Sample displays>
02:  <Unit Nos. 1, 2, 3, and 4 are 
connected>
Fig. 3-3
Fig. 3-4
Fig. 3-5
3. Ordinary Display Controls and Functions
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3 - 8
3
Mini VRF SYSTEM
Outdoor Unit Maintenance Remote Controller
n
  Concerning the 7-segment, 4-digit display remote controller timer display 
 
The unit Nos. of connected units are indicated by four 7-segment digits (
) and a colon.
1
2
7
12
17
3
13
18
8
4
14
19
9
5
10
15
20
6
11
16
21
22
27
32
37
23
33
38
28
24
34
39
29
25
30
35
40  
26
31
36
1 ~ 20
21 ~ 40
41 ~ 60
61 ~ 80
1 ~ 20
21 ~ 40
41 ~ 60
61 ~ 80
l
  The meaning of the colon changes in the same way to indicate unit Nos. up to 80.
l
  Sample displays of the connected indoor unit Nos.:
NOTE
The change of the colon display (between unit Nos. 1-20 to unit Nos. 21-40) occurs automatically 
every 10 seconds. (However the display does not change if there are no higher-number units connected.) 
To change the display to the higher-number units before 10 seconds have passed, press the 
 (FLAP) 
button.
n   The total compressor operating time is displayed
(in 1-hour units) using 8 digits.
 • 
 
When the fi rst 4 digits are displayed, the bottom
dot of the colon is illuminated. (Figure (A))
 • 
 
When the last 4 digits are displayed, the colon
dot is OFF. (Figure (B))
 • 
 
The display of the fi rst 4 digits and last 4 digits
changes automatically after 10 seconds. The display 
can also be changed by pressing the 
 (FLAP) 
button.
NOTE
With the outdoor unit maintenance remote controller (when connected to the outdoor unit), the unit remote 
controller check functions will not operate.
•
  Display of unit No. 1
•
  Display of unit Nos. 1 and 2
•
  Display of unit Nos. 1, 2, and 3
•
  Display of unit Nos. 1, 2, 3, and 4
l 
Display of unit Nos. 1 − 20
l 
Display of unit Nos. 21 − 40
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
Meaning of display colon
is not displayed.
Meaning of display colon
(B)
(A)
10:  <Compressor’s total operating time>
(A) and (B) are displayed alternately.
(The example here (0000, 0062) indicates 62 hours.)
3. Ordinary Display Controls and Functions
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3 - 9
3
Mini VRF SYSTEM
Outdoor Unit Maintenance Remote Controller
Display the indoor unit and outdoor unit sensor 
temperatures.
<Operating procedure>
À
   Press and hold the 
 (CHECK) button and 
 
buttons simultaneously for 4 seconds or longer to 
engage temperature monitor mode.
 
During temperature monitoring, 
 is illuminates.
 
(The display and operations are the same as 
for monitor mode using the indoor unit remote 
controller.)
Á
 Press the 
 button and select the indoor unit 
to monitor.
Â
  Press the temperature setting 
 and 
 
buttons and select the item code of the temperature 
to monitor.
 
The unit No. of the selected indoor unit, and the 
temperature data, are displayed.
Ã
   To end monitoring, press the 
 (CHECK) button. 
The display returns to the normal display.
NOTE
 The display does not blink.
1
4
2
3
4. Monitoring Operations
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3 - 10
3
Mini VRF SYSTEM
Outdoor Unit Maintenance Remote Controller
4. Monitoring Operations
Display of unit No. 1 (main unit)
s
k
r
a
m
e
R
 
 
n
o
i
t
p
i
r
c
s
e
D
 
  
N
D
 
°C
Indoor unit intake temp.
°C
 
 
Indoor unit heat exchanger temp. (E1)
 
°C
 
 
Not used  
 
°C
 
 
Indoor unit heat exchanger temp. (E3)
 
Indoor unit  
°C
°C
Discharge air temp.
 
Discharge air temp. setting
Indoor unit MOV position
STEP
°C
°C
°C
°C
Discharge temp. (TD)
 
High-pressure sensor temp.
Suction temp. (TS)
Heat exchanger liquid temp. (C1)
°C
Outdoor air temp. (TO)
 
Outdoor unit
Not used  
Inverter primary current
A
MOV position
Actual operating frequency
Hz
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