Electrical Connections; Preparing To Connect The Power Cables; Electrical Installation - Carel humiSonic User Manual

ENG

3.1 Preparing to connect the power cables

A
C
1.
Unscrew the screw (A) and remove the cover (B);
2. If the humidifi er is wall-mounted/installed on a horizontal support,
remove the corresponding metal knock-out using cutting nippers on
the bottom/rear panel (C);
3.
Fit the cable gland (D).

3.2 Electrical installation

Important: Important:
•
before proceeding with the electrical connections, ensure that the unit
is disconnected from the mains power supply;
•
check that the unit's power supply voltage corresponds to the rated
data shown on the product label;
•
do not power on the unit if tilted or upside down: the transducers may
be damaged.
Connect the power cable to the terminal block through the cable gland.
Note: to avoid unwanted interference, power cables should be kept
separate from probe signal cables.
The humiSonic electronic control board in fact comprises two boards,
a main board (1) installed horizontally, and an auxiliary card (2) installed
vertically.
M10
J8 M9
M15
M11
SOTTO/ BOTTOM
MAIN BOARD
Direct version for room applic. +0300062IE - rel. 1.0 - 10.09.2015

3. ELECTRICAL CONNECTIONS

B
D
Fig. 3.a
L N
PE
Fig. 3.b
J17
SCHEDA/BOARD
2
SCHEDA/BOARD
1
M14
Fig. 3.c
C
N
M 15
Key:
A board power supply input from transformer 24 V
B transducer control;
C valve power cables (L drain / R fi ll)
D confi guration dipswitch
E RESERVED
F Power ON/OFF switch lights
G TH humidity probe connection (IIC digital serial, part no.:
HYHU000000) optional.
M14 remote ON/OFF (M14.1-M14.2)
M11 RS4845 serial (M11)
M15 front fan power
N auxiliary card connection
AUXILIARY CARD
J8
tLan
Tx/Rx GND
J8 tLAN terminal connection (optional)
M9 tLAN AUX serial connector
M10 M10.1 - + proportional control signal/probe/humidistat
M10.2 - GND reference signal
M10.3 - +21 Vdc for power to active probes
M10.4 - Alarm relay - CO
M10.5 - Alarm relay - NO
J17 Reserved
Dipswitch confi guration: confi guration must be performed before
switching on the humidifi er (default position shown in Fig. 3.f ).
ON
1
2
1. Communication
OFF Serial 485 Carel/Modbus
ON tLAN
2-3 tLAN address (if 1 is ON)
OFF/OFF - -
OFF/ON address 1
ON/OFF address 2
ON/ON address 3
4 Serial 485 / tLAN baud rate
OFF 19200
ON 9600
12
A B
G
G0
D
E
F
G
M 11 M 14
Fig. 3.d
M9
M10
J17
1 2 3 4 5
NO
COMMON
Fig. 3.e
3 4 5 6 7 8
Fig. 3.f
5-6 Humidity Setpoint
OFF/OFF 50 %rH
OFF/ON 30 %rH
ON/OFF 40 %rH
ON/ON 60 %rH
7 RESERVED
8 Production transducer
management
OFF parallel
ON in series
Tab. 3.a
Tab. 3.b