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Field Setting
SiUS28-902_B
58
Test Operation
3.3
Field Setting from Outdoor Unit
3.3.1 Setting by DIP Switches
The following field settings are made by DIP switches on PCB.
•
Set the remote controller only when changing over the operation mode between cooling and
heating using the remote controller installed in the outdoor.
N
Connect the cool/heat selector (optional accessory) to the terminals (A, B and C) on the
outdoor X2M Terminal board (A, B and C).
O
Set the cool/heat selector switch DS1-1 from “OFF” (which is selected at the factory before
shipment) to “ON”.
3.3.2 Setting by Branch Selector Buttons
The following settings are made by Branch Selector buttons on PCB
(Factory setting)
There are the following 3 setting modes.
(1) Setting mode 1 (H1P OFF)
Initial status (when normal) : Also indicates during “abnormal”.
(2) Setting mode 2 (H1P ON)
Used to modify the operating status and to set program addresses, etc. Usually used in
servicing the system.
(3) Monitor mode (H1P blinks)
Used to check the program made in Setting mode 2.
DIPswitch
Setting item
Description
No.
Setting
DS1-1
ON
Cool/Heat
changeover
setting
Used to set cool/heat changeover setting by remote
controller equipped with outdoor unit. (Note 1)
OFF (Factory set)
DS1-2
ON
Not used
Do not change the factory settings.
OFF (Factory set)
Cool/heat selector connection procedure
X2M
A2P
A B C
A B C
ON/OFF
DS1 1 2
DS1-1
switch knob
Cool/heat
selector
H1P
H2P
H3P
H4P
H5P
H6P
H7P
LED display
h
h
k
h
h
h
h
BS1
MODE
BS2
SET
BS3
RETURN
BS4
TEST
BS5
RESET