Auto Address Setting - Sanyo R410A Installation Instructions Manual

7-4. Auto Address Setting

Basic wiring diagram: Example (1)
• If link wiring is not used
(The inter-unit control wires are not connected to multiple refrigerant systems.)
Indoor unit addresses can be set without operating the compressors.
System address
(system 1 setting)
(S002)
No. of
outdoor
units (2 units
setting)
Remote controller
(1) Automatic Address Setting from the Outdoor Unit
1. 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
2. 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
3. To set the number of outdoor units, on the outdoor main unit control PCB set the No. of outdoor units DIP switch
ON
ON
(S006) to
1 2 3
OFF
4. On the No. 2 (sub) unit control PCB, set the unit No. switch (S007) to
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.)
* 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.
(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
complete automatic address setting.
●
Refer to "Automatic Address Setting from the Remote Controller."
No. 1 (main unit)
settings
No. of indoor units
(10 units setting)
(S004)
0
(S003)
ON ON
(S005)
ON
ON
1 2
OFF
1 2 3 OFF
(S006) (S007)
Unit number
ON
ON
ON
setting
(Unit No. 1)
1 2 3 OFF
1 2 3
Unit
Outdoor Unit
No. 1
Inter-outdoor unit
(Main)
control wiring
Inter-unit control wiring
Indoor Unit 1-1
ON
ON "0." (These are the settings at the time of factory shipment.)
1 2
OFF
(2 units), and set the unit No. DIP switch (S007) to
No. 2 (sub unit)
settings
Unit
(S007)
number ON
ON
ON
setting
OFF
1 2 3
(Unit No. 2)
OFF
Unit
No. 2
(Sub)
1-2 1-3
Remote controller
communication wiring
ON
ON
"1," and set the rotary switch (S004) to "0."
1 2 3
OFF
43
1-10
ON
(unit No. 1 – main).
1 2 3
ON
(unit No. 2).
1 2 3
Fig. 7-5