Sanyo SPW-CR1503GDYH8 Technical Data & Service Manual page 131

2. Optional Controller (S-DDC)
Main P.C.B. for S-DDC
1
TB1
AMY control wire
(Remote the short plug from A side
B A B A
and reconnect to it to B side.)
1848_M_I
(When shipped (Emergency)
from factory)
¶ Check if the short plug for AMY control wiring is
connected to B side.
(When shipped from factory)
B A
1849_M_I
Main P.C.B. for S-DDC
1
TB1
AMY control wire
7 Switch setting
SW1
ON
1 2 3 4 5
OFF
OFF
Switch for filter Not defined.
sign (timer) Keep these
function switches
always OFF
SW1-1: Filter sign (timer) function
OFF : With air filter sign (timer) function
(When shipped from factory)
ON : Without air filter sign (timer) function
SW1-5: RS ON/OFF
OFF : RS switch is always OFF
(When shipped from factory)
ON : *RS switch is always ON
SW1-6: Changing baut rate
OFF : 4800 bps
(When shipped from factory)
ON : 9600 bps
SW1-8: Test mode
Use this switch is always OFF
Fuse
2
B A
CN3
AMY control wire
short plug for
emergency
1847_M_I
2
AMY control wire
short plug
1850_M_I
6 7 8
Test Mode:
Use this switch
always OFF
Switch for baud rate
Switch for RS ON/OFF
1851_M_I
III - 73
Control of W-ECO MULTI SYSTEM
NOTE * ln case of Host Computer (Program) has
CD (Carrier Detect) function, RS switch is
always ON
7 Connection to the outside equipments
(1) Signal input for turn-off the all units.
(Potential free normal open contact)
<Inputting photo coupler>
TB2
5
6
D1
(2) Signal output for alarm to the all units.
(Potential free normal open contact)
<It will be shortened, when detecting alarm signal>
¶ Control wires used for inputting signals are field
supply. Maximum wiring length is 100 m.
Use 2-core shielding wires 0.5 mm
places where misoperation may occur from the noise.
(3) Input & output for RS-232C
S-DDC
Cross cable
for RS-232C
AMY adapter
Inter-unit control wire
¶ Cross cable for RS-232C is field supply.
Maximum length is less than 15 m.
Potential free contact
1852_M_I
2 or more for the
1853_M_I
TD831077
3