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Connecting Inputs/Outputs - Mitsubishi Electric Hydrobox EHSC Series Installation Manual

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5
System Set Up

5.2 Connecting inputs/outputs

TBO.1
1
2
1
3
CNP1
4
(WH)
3
5
6
1
CNP4
TBO.2
1
(RD)
3
2
3
4
5
1
6
CNV1
3
TBO.3
(WH)
1
5
2
3
4
5
6
7
8
TBO.4
1
2
3
en
4
5
6
7
8
1
CNIH
(OG)
3
1
1
CNBC
CNBHT
(GY)
(BK)
3
3
1
3
CNBH
(WH)
5
7
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
TBI.1
TBI.2
Signal inputs
Name Terminal block Connector Item
IN1
TBI.1 7-8
IN2
TBI.1 5-6
IN3
TBI.1 3-4
IN4
TBI.1 1-2
IN5
TBI.2 7-8
IN6
TBI.2 5-6
IN7
TBI.2 3-4
IN8
TBI.3 7-8
IN9
TBI.3 5-6
IN10
TBI.2 1-2
IN11
TBI.3 3-4
IN12
TBI.3 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. To turn on the boiler operation, use the main remote controller to select "Boiler" in "External input setting" screen in the service menu.
*4. 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".)
*5. As for the smart grid ready, refer to "5.5 Smart grid ready".
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).
19
CN01
1
CN3C
LED1
SW5
CNPWM
(WH)
8
1
CN851
(BK)
SW4
6
1
CNRF
(WH)
LED2
SW3
CN105
8
(RD)
1
LED3
SW2
CNIT
(BU)
8
1
CN22
(BU)
1
SW1
SW6
LED4
CN108
5
8
TAB1
CN401
CN1A
CNW5
CNW12
CN21
(WH)
(WH)
(BU)
(RD)
(YE)
1
1
1
1
1
3
4
4
4
4
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
8 7
6
5 4 3 2 1
8 7
TBI.3
TBI.4
TBI.5
<Figure 5.2.1>
Room thermostat 1 input *1
Flow switch 1 input
Flow switch 2 input (Zone1)
Demand control input
Outdoor thermostat input *2
Room thermostat 2 input *1
Flow switch 3 input (Zone2)
Electric energy meter 1
Electric energy meter 2
Heat meter
Smart grid ready input
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
1
3
(BK)
5
1
(BU)
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>.
Refer to SW2-2 in <5.1 DIP Switch Functions>.
Refer to SW3-2 in <5.1 DIP Switch Functions>.
Normal
Heat source OFF/ Boiler operation *3
Standard operation
Heater operation/ Boiler operation *3
Refer to SW3-1 in <5.1 DIP Switch Functions>.
Refer to SW3-2 in <5.1 DIP Switch Functions>.
*4
*5
10
pulse/kWh

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