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4. Electrical work
4.5.2 EXTERNAL INPUT ( analog signal ) 4-20mA / 1-5V / 0-10V
Connect the transmission cables to No. 3 and 4 on the terminal block (TB62).
No. 3 on the terminal block(TB62) : Plus side
No. 4 on the terminal block(TB62) : Minus side (Reference side)
Switch setting
Input
Outdoor unit
4-20mA
SPLIT type
PACKAGED type
1-5V
SPLIT type
PACKAGED type
0-10V
SPLIT type
PACKAGED type
4-20mA / 1-5V / 0-10V setting
FLOW TEMP.
No.2 Temp.
No.1 Temp.
Stop
4-20mA
0mA -- 4mA --------------- 20mA
0V -------1V------------------- 5V
1-5V
0-10V
0V ------------------10V
Refer to the section 8 for details about No1, 2 Temp.
The selectable set temperature range depends on SW1-7, 8.
Caution:
The external input signals are separated by basic insulation from power supply for the unit.
The external input signals should be separated by supplementary insulation from where user may touch in case that it is installed where
user may touch.
Connect the terminals by using the ring terminals and also insulate the cables of adjoining terminals when wiring to terminal block.
4.6. Connecting external output (Photo. 4-6)
TB141
Item
1-2
(OUT1) X1
Operation Output
3-4
(OUT2) X2
Error Output
5-6
(OUT3) X3
Comp. Output
7-8
(OUT4) X4
Defrost Output
9-10
(OUT5) X5
Mode(Cooling) Output
11-12
(OUT6) X6
Mode(Heating/HeatingECO/Hot Water/ Anti-Freeze) Output
13-14
(OUT7) X7
—
Note :
External output signals are separated by basic insulation from other circuit of interface.
Caution :
When 2 or more external outputs are used, the power supply on the output side should be the same.
4.7. Wiring specification of External output / External input
Locally supplied parts
Item
Name
External output
External output signal
function
wire
Display lamp, etc.
External input
External input signal
function
wire
Switch
12
SW1-1
SW1-2
SW1-5
SW1-6
OFF
ON
OFF
OFF
OFF
ON
ON
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
ON
ON
ON
OFF
ANALOG
SIGNAL
Model and specifications
Use sheathed vinyl coated cord or cable.
Max. 50m
Wire type : CV, CVS or equivalent
Wire size : Stranded wire 0.5mm
Solid wire: {0.65mm to {1.2mm
Non-voltage Contact AC220-240V (DC30V), 1A or less
*Connect the surge absorber according to the load at site.
Use sheathed vinyl coated cord or cable.
Max. 10m
Wire type :CV, CVS or equivalent
Wire size : Stranded wire 0.5mm
Solid wire : {0.65mm to {1.2mm
Non-voltage "a" contact signals
Remote switch : minimum applicable load DC 12V, 1mA
SW6-1
SW6-2
ON
ON
ON
ON
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
TB141
OFF
ON
OFF
ON
Normal Error
OFF
ON
OFF
ON
OFF
ON
OFF
ON
—
—
2
to 1.25mm
2
2
to 1.25mm
2
At site
FTC
1
2
3
+
(
4-20mA/1-5V/0-10V
4
5
(
Wired remote controller
6
TB62
Photo.4-
X1
X2
X3
X4
X5
X6
FTC
1
2 3
4 5
6 7
8 9
10
11
At site
TB141
2
4
6
8
1
3
5
7
9
X7
TB141
12
13
14
10
12
14
11
13
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