Panasonic U-72MF1U9 Service Manual page 122

1. Outdoor Unit Maintenance Remote Controller
Concerning the 7-segment 4-digit display of remote controller timer time
The unit Nos. of connected units are indicated by four 7-segment digits
1 Display of unit Nos. 1
1
3
2
2 Display of unit Nos. 21
21
23
22
3 The meaning of the colon changes in the same way to indicate unit Nos. up to 80.
Sample displays of connected indoor unit Nos.
4
1
2
3
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
4
An 8-digit display is used for display of the compressor total operating time (in 1-hour units).
When the first 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 first 4 digits and last 4 digits changes automatically after 10 seconds.
The display can also be changed by pressing the
5
6
7
20
6 11
8
4 9
7 12
5 10
40
31
26
28
24 29
27 32
25 30
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
(FLAP) button.
Sample Display (A), (B)
Meaning of colon
16
13 18
14 19
17
15 20
1 – 20
Meaning of colon
36
33 38
34 39
37
35 40
1 – 20
(FLAP) button.
6 - 6
Service Checker
and a colon.
21 – 40 41 – 60 61 – 80
21 – 40 41 – 60 61 – 80
<Compressor total operating time>:
(A) and (B) are displayed alternately
(The example here (0000, 0062)
indicates 62 hours.)