Panasonic U-26PE1U6 Technical Data & Service Manual page 217
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Also See for U-26PE1U6:
- Technical data & service manual (198 pages) ,
- Installation instructions manual (40 pages) ,
- Operating instructions manual (28 pages)
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Terminal plug
3P plug (black): Terminal plug for the communications line
(CN015)
• At the time of shipment from the factory, the short-circuiting socket (2P, black) is
• When central control is used for multiple systems, leave the short-circuiting socket in
• In the case of a single system only (system address = 0), do not remove the short-
2P plug (white): Enables operation in quiet mode.
Quiet mode
• The outdoor unit fan and compressor frequencies are subject to limits during operation.
(CN028)
• Low-noise operation is enabled when the relay is turned ON.
Outdoor unit control PCB
Note 1: The maximum length of the wiring between the outdoor unit PCB and the relay is
• Lead wire with 2P plug (special-order part: WIRE K/ CV6231612098)
• Relay, field supply, contact input specifications: DC 5 V, 0.5 mA (Recommended relay:
• Use a commercially available timer (such as the Omron H5 daily time switch).
Table 1. Method of System Address Setting
[S002 (rotary, black), S003 (2P DIP switch, green or blue)]
Outdoor system
S002 setting
address No.
(system address switch)
1 system only
1
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
0
11
1
12
2
Central
13
3
control
14
4
15
5
16
6
17
7
18
8
19
9
20
0
21
1
22
2
23
3
24
4
25
5
26
6
27
7
28
8
29
9
30
0
installed between pins 1 and 2 on the terminal plug (terminal = yes).
place only on the outdoor unit with a system address of 1. At all other outdoor units
(other than unit No. 1), move the short-circuiting socket to between 2 and 3 (terminal =
no). If multiple short-circuiting sockets remain in place during central control, a com-
munications failure will occur.
circuiting socket. (Alarm "E04" will occur.)
Example of wiring
1
1
Quiet mode
2
2
CN028
2 m.
Fuji Electric HH62SW, compatible with micro contacts)
S003 setting
1P (10s-digit place)
2P (20s-digit place)
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
ON
Relay (field supply)
Power
Out-
door
System
controller
In-
door
2-11
2. Processes and functions
External contact
(timer input, etc.: field supply)
Out-
Out-
door
door
In-
In-
door
door
Fig. 6
2
Out-
door
In-
door
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