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4. Electrical work
4.4. Switch setting of FTC
Set the dip switch on the FTC (PCB) according to the following table.
System
ON/OFF
Input
BASIC
External input
(non-voltage contact)
External input
(non-voltage contact)
ANALOG
External input or
TEMP.
4-20mA *1
External input or
1-5V *2
External input
BASIC
External input and
*3
and
Wired remote controller
SIMPLE
External input and
*3
Wired remote controller
SIMPLE
Wired remote controller
*1: 4-20mA····OFF: 0~2mA
*2: 1-5V····OFF: 0~0.5V
*3: The command from the external input is prior to the one from the wired remote controller.
*4: SPLIT type : the standard outdoor unit without a plate HEX(refrigerant-water) inside.
PACKAGED type : the Air to Water outdoor unit with a plate of HEX(refrigerant-water) inside
OTHER SWITCH SETTING
SW1-3 Prohibition of Cooling mode
SW1-3=OFF : Operation mode Heating/HeatingECO/HotWater/Anti-freeze/Cooling
SW1-3=ON :
Operation mode Heating/HeatingECO/HotWater/Anti-freeze
SW1-4
SW3-4,5,8 Not in use. Set to OFF. (Initial setting)
SW3-7
Not in use. Set to ON. (Initial setting)
SW3-6
Logic of Forced Comp. OFF external signal(TB142 5-6)
SW3-6
TB142 No.5-6 input
Item
OFF(open)
Normal
OFF
ON(short)
Forced Comp. OFF
OFF(open)
Forced Comp. OFF
ON
ON(short)
Normal
SW1-6,7,8 Set temperature range
SW1-6=OFF Set temperature range with wired remote controller
SW1-6=ON
Set temperature table with DIP switch of FTC
SW1-6
SW1-7
SW1-8
Temperature range with wired remote controller
Heating/HeatingECO/Hot Water
OFF
OFF
OFF
Upper 55 ˚C / lower 20 ˚C
OFF
ON
OFF
Upper 60 ˚C / lower 20 ˚C *1
OFF
OFF
ON
Upper 50 ˚C / lower 20 ˚C
OFF
ON
ON
—
ON
OFF
OFF
—
ON
ON
OFF
—
ON
OFF
ON
—
ON
ON
ON
—
*1.Don't use this setting when you use the standard outdoor unit without a plate HEX(Refrigerant-water) inside.
10
Change mode
Change TEMP.
Input
Input
External input
DIP switch on PCB
(non-voltage contact)
SW2-1~8, SW3-1~3
External input
Wired remote controller
(non-voltage contact)
External input
4-20mA
(non-voltage contact)
External input
1-5V
(non-voltage contact)
External input
0-10V
(non-voltage contact)
External input and
*3
DIP switch on PCB
Wired remote controller
SW2-1~8, SW3-1~3
Wired remote controller
External input and
*3
Wired remote controller
Wired remote controller
Wired remote controller
Anti-Freeze
Upper 45 ˚C / lower 5 ˚C
Upper 45 ˚C / lower 5 ˚C
Upper 45 ˚C / lower 5 ˚C
—
—
—
—
—
Outdoor unit *4
SW1-1 SW1-2 SW1-5 SW1-6 SW6-1 SW6-2
SPLIT type
ON
PACKAGED type
ON
SPLIT type
ON
PACKAGED type
ON
SPLIT type
OFF
PACKAGED type
OFF
SPLIT type
OFF
PACKAGED type
OFF
SPLIT type
ON
PACKAGED type
ON
SPLIT type
OFF
PACKAGED type
OFF
SPLIT type
OFF
PACKAGED type
OFF
SPLIT type
OFF
PACKAGED type
OFF
SW6
TB61
TH1
TH2
Cooling
Upper 25 ˚C / lower 5 ˚C
Upper 25 ˚C / lower 5 ˚C
Upper 25 ˚C / lower 5 ˚C
—
—
—
—
—
OFF
OFF
ON
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
Photo.4-5
Temperature table
SW2-1~8, SW3-1~3
—
—
—
—
Table1
Table2
—
—
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
SW1
SW2
SW3
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