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5
System Set Up
5.2 Connecting inputs/outputs
TBO.1
1
2
3
1
CNP1
4
3
(WH)
5
6
1
CNP4
TBO.2
1
3
(RD)
2
3
4
5
1
6
CNV1
3
TBO.3
.
1
(WH)
5
2
3
4
5
6
7
8
TBO.4
.
1
2
3
4
5
6
7
8
1
CNIH
OG)
en
3
(
1
1
CNBHT
CNBC
BK)
3
(
3
(GY)
1
3
CNBH
5
(WH)
7
8
7
6
5
4
3
2
1
8
7
6
5
4
3
TBI.1
TBI.2
Signal inputs
Name Terminal block Connector Item
IN1
TBI.1 7-8
—
IN4
TBI.1 1-2
—
IN5
TBI.2 7-8
—
IN8
TBI.3 7-8
—
IN9
TBI.3 5-6
—
IN10
TBI.2 1-2
—
INA1 TBI.4 1-3
CN1A
*1. Set the ON/OFF cycle time of the room thermostat for 10 minutes or more; otherwise the compressor may be damaged.
*2. If using outdoor thermostat for controlling operation of heaters, the lifetime of the heaters and related parts may be reduced.
*3. Connectable electric energy meter and heat meter
● Pulse type
● Pulse duration
● Possible unit of pulse
Those values can be set by the main remote controller. (Refer to the menu tree in " Main remote controller".)
Wiring specification and local supply parts
Item
Name
Signal input
Signal input
function
wire
Switch
Note:
Stranded wire should be processed with insulation-covered bar terminal (DIN46228-4 standard compatible type).
Thermistor inputs
Name
Terminal block Connector
TH1
—
CN20
TH2
—
CN21
THW1
—
CNW12 1-2 Thermistor (Flow water temp.)
THW2
—
CNW12 3-4 Thermistor (Return water temp.)
13
CN01
(BK)
F2
F1
1
CN3C
(BU)
LED1
SW5
CNPWM
(WH)
8
1
CN851
SW4
(BK)
6
1
CNRF
(WH)
SW3
LED2
8
CN105
1
LED3
(RD)
SW2
CNIT
(BU)
8
1
CN22
1
(BU)
SW6
SW1
CN108
5
LED4
8
TAB1
CN1A
CNW5
CNW12
CN21
(WH)
(BU)
(RD)
(YE)
1
1
1
1
3
4
4
4
8
7
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
TBI.3
TBI.4
TBI.5
<Figure 5.2.1>
Room thermostat 1 input *1
Demand control input
Outdoor thermostat input *2
Electric energy meter 1
Electric energy meter 2
Heat meter
Flow sensor
Voltage free contact for 12V DC detection by FTC (TBI.2 1 pin, TBI.3 5 and 7 pins have a positive voltage.)
Minimum ON time: 40ms
Minimum OFF time: 100ms
0.1 pulse/kWh
1
pulse/kWh
100 pulse/kWh
1000 pulse/kWh
Model and specifications
Use sheathed vinyl coated cord or cable.
Max. 30 m
Wire type: CV, CVS or equivalent
Wire size: Stranded wire 0.13 mm² to 0.52 mm²
Solid wire: ø0.4 mm to ø0.8 mm
Non-voltage "a" contact signals
Remote switch: minimum applicable load 12V DC, 1mA
Item
Thermistor (Room temp.) (Option)
Thermistor (Ref. liquid temp.)
1
3
5
1
3
1
3
1
8
1
5
1
5
1
5
1
2
CN20
(RD)
1
2
6
5
4
3
2
1
TBI.6
OFF (Open)
ON (Short)
Refer to SW2-1 in <5.1 DIP Switch Functions>.
Normal
Heat source OFF
Standard operation
Heater operation
*3
—
10
pulse/kWh
—
Optional part model
PAC-SE41TS-E
—
—
—
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