Technical information

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19
EH Model Series Rotary Switch Settings
Indoor unit Dip Switch Settings - EH Model Series
The correct setting of the Indoor PCB Dip Switches and the Dip Switches is required
Indoor Unit Dip Switches are all set in the ON position as the Factory Default
Depending on the application certain switches must be set to the OFF position to
allow use of an option, or specific control feature
USE OF THE WIRED REMOTE CONTROL IS STANDARD, THE #1 DIP SWITCH ON SW05
OF THE MAIN PCB OF THE INDOOR UNIT MUST BE SWITCHED TO THE OFF POSITION BEFORE
STARTING THE UNIT
Samsung recommend altering Dip switches prior to mounting the Indoor unit
Switch #'s read Left to Right, count to ensure the correct one is switched as they are all labeled 1-4
Indoor Unit
Switch#
Controls
Action
Setting
SW05
1
Use of Wired Remote
Switch to OFF if Wired Remote is used
OFF
2
Central Control/SNET
Switch to OFF if Central/SNET option is used
ON
3
Not used on this unit
Ignore
ON
4
Condensate Pump
Switch to OFF if Samsung Pump is installed
ON
SW06
1
Temp Compensation
Switch to OFF to compensate for duct heat gain
ON
2
Filter Timer Light
Switch to OFF to increase time for filter change
ON
3
Hot Water Coil
Contact Factory to discuss auxiliary heat option
ON
4
Not used on this unit
Ignore
ON
SW07
1
Not used on this unit
Ignore
ON
2
Not used on this unit
Ignore
ON
3
Remote On/Off control
Switch to OFF to allow external control of unit
ON
4
Not used on this unit
Ignore
ON
MWR-TH01 Wired Remote Control
K1
Heat Pump/Cooling Only
Switch to ON for Heat Pump operation
ON
K2
Use of F3/F4 or F1/F2
Switch to OFF as unit uses F3 - F4 Comms
OFF
K3
Display DegC or DegF
Switch to ON for DegF Display
ON
K4
Wired/Wireless Control
Switch to OFF to allow use of both controls
ON
K5
Not used on this unit
Ignore
N/A
K6
Not used on this unit
Ignore
N/A
K7
Not used on this unit
Ignore
N/A
K8
Not used on this unit
Ignore
N/A
After every Dip Switch change the power to the system must be turned off for 3 minutes
to allow the unit to recognize the changes to the Dip Switch settings