Connection With Other Equipment; Memory Backup Switch; Test Run - Sanyo 26 series Installation Instructions Manual

8-6. Connection with Other Equipment

System controller
Input/output Terminal
ON/OFF output
Alarm output
Potential tree
A contact, static
(relay output)
Contact capacity
DC 30V, 0.5A
Output common
All ON input
ALL ON (+)
All OFF input
Pulse (photo
CX
coupler input)
ALL OFF (+)
TX
Contact capacity
Input common
DC 24V, 10mA

8-7. Memory Backup Switch

Check the backup switch is ON on the for back side of
the PCB of the system controller.

8-8. Test Run

(1) Power on all indoor units. Next, power on the
system controller.
will flash, checking the indoor unit addresses
automatically.
(2) If group No. displayed on system controller is not the
same as the indoor unit No.* which is connected, see
Fig. 9-5 and carry out setting again.
*In case of group control, main unit No. only.
Equipment
Terminal Example
CPEV
ON/OFF AWG#16
Alarm
CPEV
AWG#16
Input/output
Wire length:
less than 330 ft.
Pulse width:
+24
more than
984 ft./sec.
Wire length:
less than 330 ft.
COM
95
Back up switch
Back up battery
SC