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ENGLISH
Explanation Terminal No. Input / Output AC/DC
Maximum
allowable current
A Power L, N Input AC 2.5 A
B Operation check B1, B2 Contact output - 0.5 A
C Alarm B3, B4 Contact output - 0.5 A
D Water pump B5, B6 Contact output - 0.5 A
E Booster heater B7, B8 Contact output - 0.5 A
F 3Way valve 1 B9 ~ B11 Output AC 0.5 A
G 3Way valve 2 B12 ~ B14 Output AC 0.5 A
H 2Way valve B15 ~ B17 Output AC 0.5 A
I AC 230, AC 24 V Thermostat B19 ~ B26 Input AC 0.5 A
J Indoor temperature sensor 1,2(1,2) Input DC 1 mA
K Temperature sensor for water tank 7,8(3,4) Input DC 20 mA
L Solar pump 13,14(5,6) Input AC 10 mA
M External control 16,17(7,8) Input DC 1 mA
N Smart grid 19,20(9,10) Input DC 1 mA
O Communication cable (RS485) F1, F2 Input , Output DC 10 mA
P Wired remote controller
V1 Output DC
210 mA (per each
controller)
V2 Grounding - -
F3, F4 Input, Output DC 10 mA
Q Flow switch F/S Input DC 1 mA
❋ ( ) : Hydro unit HT
❋ For instruction regarding on wiring power, communication and wired remote controller, refer to "Connecting power and
communication cable" chapter.
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