Sanyo 85402843, Service Manual

Page: 8 / 252

Mini ECO-i System
Address Settings
1
Auto Address Setting
Basic wiring diagram: Exam p le (1)
ON
1 2
ON
OFF
( S 004)
( S 00 3 ) ( S 002)
9
1
1-1 1-2 1- 3 1-9
• If link wirin g i s not u s ed
(The inter-unit control wire s are not connected to multiple 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 (o u tdoor un it) s etti ngs
U n it
No. 1
O u tdoor U n it
I n door U n it
Remote co n troller
I n ter- un it co n trol wiri ng
Gro u p co n trol wiri ng
S y s tem addre ss
: R.C. ADD
( s y s tem 1 s etti ng )
NO. OF I/U
(9 un it s s etti ng )
Automatic Address Setting from the Outdoor Unit
1. On the outdoor 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.)
2. To set the number of indoor units that are connected to the outdoor unit to 9, on the outdoor unit control PCB set the No. of
indoor units rotary switch (S004) to “9.”
3. Turn ON the power to the indoor and outdoor units.
4. On the outdoor main unit control PCB, short-circuit the automatic address pin (CN51) 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 unit control PCB turn OFF.)
↓
5. Operation from the remote controllers is now possible.
* To perform automatic address setting from the remote controller, perform steps 1 to 3, then use the remote controller and
complete automatic address setting. For the necessary procedure, refer to “Automatic Address Setting from the Remote
Controller.”
ON
ON
OFF
1 2
Case 1
* To cancel, again short-circuit the automatic address pin (CN51) for 1 second or longer, then release it.
The LED that indicates automatic address setting is in progress turns OFF and the process is stopped.
Be sure to perform automatic address setting again.
3 . Auto Address Setting
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06-408 Mini_ECOi_SM1 11/10/06 5:48 PM Page 4
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