Sanyo 85464359982001, Installation Instructions Manual

Page: 74 / 96

(1) Automatic Address Setting from the Outdoor Unit
1. To set the number of outdoor units, on the outdoor main unit control PCB set the No. of outdoor units DIP switch (S006) to
(3 units), and set the unit No. DIP switch (S007) to (unit No. 1 – main outdoor unit).
2. On the No. 2 (sub) unit control PCB, set the unit No. switch (S007) to (unit No. 2).
On the No. 3 (sub) unit control PCB, set the unit No. switch (S007) to (unit No. 3).
ON
1 2 3
3 2 1
ON
2 3
ON
1
ON
OFF
ON
1 2 3
8-4. Auto Address Setting
Basic wiring diagram: Example (1)
ON
1 2 3 3 2 1
ON
1
ON
3 2
ON
1 2
2
ON
1
3
3 2 1
ON ON
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
( S 006) ( S 007)
( S 005)
( S 004)
( S 00 3 ) ( S 002)
1
1-1 1-2 1- 3 1-10
• If link wirin g i s not u s ed
(The inter-unit control wire s are not connected to multi p le refri g erant s y s tem s .)
I n door un it addre ss e s ca n be s et witho u t operati ng the compre ss or s .
No. 1 (mai n o u tdoor un it)
s etti ngs
No. 2 ( su b un it)
s etti ngs
U n it
No. 2
(
Su b)
U n it
No. 3
( Su b)
U n it
No. 1
(Mai n )
No. 3 ( su b un it)
s etti ngs
O u tdoor mai n / su b
co n trol wiri ng
O u tdoor U n it
I n door U n it
Remote co n troller
O u tdoor mai n / su b
co n trol wiri ng
I n ter- un it co n trol wiri ng
Remote co n troller
cro ss -over wiri ng
( S 007)
ON
OFF
( S 007)
S y s tem addre ss
( s y s tem 1 s etti ng )
No. of i n door un it s
(10 un it s s etti ng )
No. of
o
u tdoor
un it s ( 3 un it s
s etti ng )
U n it nu mber
s etti ng
(U n it No. 1)
U n it
nu mber
s etti ng
(U n it No. 2)
U n it
nu mber
s etti ng
(U n it No. 3 )
Leave the s ocket that
i s us ed to s hort-circ u it
the termi n al pl ug .
(CN00 3 )
0
Case 1
Fig. 8-5
3. On the outdoor main unit control PCB, check that the system address rotary switch (S002) is set to “1” and that the DIP switch
(S003) is set to “0.” (These are the settings at the time of factory shipment.)
4. To set the number of indoor units that are connected to the outdoor unit to 10, on the outdoor main unit control PCB set the No. of
indoor units DIP switch (S005) to “1,” and set the rotary switch (S004) to “0.”
ON
OFF
2 3
ON
1
ON
ON
OFF
1 2
5. Turn ON the power to the indoor and outdoor units.
6. On the outdoor main unit control PCB, short-circuit the automatic address pin (CN100) for 1 second or longer, then release it.
↓
(Communication for automatic address setting begins.)
↓
(Automatic address setting is completed when LEDs 1 and 2 on the outdoor main unit control PCB turn OFF.)
↓
7. Operation from the remote controllers is now possible.
* To perform automatic address setting from the remote controller, perform steps 1 to 5, then use the remote controller and com-
plete automatic address setting.
Refer to “Automatic Address Setting from the Remote Controller.”
* To cancel, again short-circuit the automatic address pin (CN100) for 1 second or longer, then release it.
The LED that indicates that automatic address setting is in progress turns OFF and the process is
stopped. Be sure to perform automatic address setting again.
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