4-17
4
SILENT
or
QUIET MODE
2P plug (white): Enables operation in quiet mode.
•
•
The outdoor unit fan and compressor frequencies are subject to limits during operation.
Low-noise operation is enabled when the relay is turned ON. (Non-voltage contact "a" )
•Example of wiring
Note 2:The maximum length of the wiring between the outdoor unit PCB and the relay is 2 m.
•
•
•
Lead wire with 2P plug (special-order part: 623-161-2098)
Relay, ( eld supply) contact input speci cations: DC 5 V, 0.5 mA
(Recommended relay: Fuji Electric HH62SW, compatible with micro contacts)
Use a commercially available timer (such as the Omron H5 daily time switch).
Table 4-1. Method of System Address Setting
[S002 (rotary, black), S003 (2P DIP switch, blue)]
Outdoor system
address No.
S002 setting
(system address switch)
S003 setting
1P (10s-digit place) 2P (20s-digit place)
1 system only
1 0 OFF OFF
Central
control
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
10
11
12
13
14
15
16
17
18
19
0
1
2
3
4
5
6
7
8
9
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
20
21
22
23
24
25
26
27
28
29
0
1
2
3
4
5
6
7
8
9
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
30 0 ON ON
1 1
2 2
Relay ( eld supply)
Quiet mode or
Silent CN028
Outdoor unit control PCB
Power
External contact
(timer input, etc.: eld supply)
System
controller
S-LINK
adaptor
Remote
controller
Outdoor
Indoor
Outdoor Outdoor Outdoor
Indoor Indoor Indoor
Fig. 1
4-2. Outdoor Unit Control PCB
(4-3) Explanation of Functions
SM830160-03ClassicPAC-iA4.ind1717SM830160-03ClassicPAC-iA4.ind1717 2010/02/1610:29:422010/02/1610:29:42