Unico IS12MPA iSeries - Page 11

Bulletin 30-122.2014.04.006 11 Copyright © 2014 Unico, Inc.
(SAC xx.xxxx.xxx.xx)
Set the circuit number of the indoor unit to match the circuit number the refrigerant lines are connected to. Set the
communication channel using the micro switches on the circuit board inside the control box.
 Disconnect the power of indoor unit.
 Set the micro switches (see table below).
 Switch on the indoor unit.
At this point the system will operate with the new address.
OUTDOOR
UNIT
CIRCUIT
(PORT)
WALL MOUNT UNIT
CONTROL BOARD
FACTORY
DEFAULT
SW1:
1=OFF
2=OFF
SW1:
1=ON
2=OFF
SW1:
1=OFF
2=ON
SW1:
1=ON
2=ON
OFF
SW3
SW1
OFF
SW3
SW1
OFF
SW3
SW1
OFF
SW3
SW1
OUTDOOR UNIT REFRIGERANT CIRCUIT NUMBER (Method A – Using DIP switches)