Terminal Board - Hitachi EXV-2.0E2 Manuel D'installation Et De Fonctionnement

ELECTRICAL WIRING
8.2.3 Terminal board connection and remarks

Control box

Terminal board 1

Mark Item Name
DUTY V: Duty control by voltage (0~10V) (0~5V) (optional):
1 V+
V+: Output power to device (+24Vdc)
2 D D: Voltage input (0~10V) (0~5V)
¦
3 N N: GND
4 1
CO
§
2
Free contact: By closing the signal, the fan speed is set to High mode.
5 2
EC1: PWM Output control for EC FAN 1 (optional):
6 T
T: Tach input signal (Hz)
¨
7 P P: PWM output signal (0-100%)
8 G G: GND
EC2: PWM Output control for EC FAN 2 (optional):
9 T
T: Tach input signal (Hz)
©
10 P P: PWM output signal (0-100%)
11 G G: GND
DUTY A: Duty control by current (4~20mA) (optional):
12 V+
V+: Output power to device (+24Vdc)
ª
13 D D: Current input (4~20 mA)
14 N N: GND
15 1
FS: Flow switch (optional):
«
Free contact between terminals 1(15) and 2(16)
16 2
17 1 CONTROL: H-LINK and remote controller comunication (Necessary):
The H-LINK transmission between outdoor unit and indoor unit is 2 wired to
18 2
terminals 1-2.
¬
19 A
The Remote controller must be connected between pins A and B
(non polarity)
20 B
?
N O T E
(*1): If fan wiring length is higher than 3m, use shielded wires in compliance with local codes.
15 PMML0293A rev.2 - 08/2016
Description
signal (optional):
Wire and maximum current
specification (EN60335-1)
Wire section: 3x0,5 mm
2
?
N O T E
Maximum power by 24Vdc output: 3 W
Wire section: 2x0,5 mm
2
Wire section: 3x0,5 mm
2(1)
Wire section: 3x0,5 mm
2(1)
Wire section: 3x0,5 mm
2
?
N O T E
Maximum power by 24Vdc output: 3 W
Wire section: 2x0,5 mm
2
Wire section: 2x0,5mm
2
Wire section: 2x0,5 mm
2