Carel compactSteam, User Manual

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21
ENG
“compactsteam” +0300092IE - rel. 1.3 - 16.08.2021
3.13 Wiring connections
Terminal Function Electrical specifi cations
L1-L2-EARTH Power supply and earth connections Power supply (110 Vac single-phase 50/60 Hz or 230 Vac single-phase 50/60 Hz)
KEY Programming port Connection to programming port or supervisor
AB-AB Remote enabling input Requires a normally-open external contact;
Rmax = 300 Ohm; Vmax = 33 Vdc; Imax = 6 mAcc; humidifi er enabled = contact closed
IN-GND Control signal input If programmed as 0-10 V: Input impedance 10 kohm
If programmed as ON/OFF (default): Vmax = 33 Vdc, Imax = 5mA, Rmax = 300 Ohm
NC-C-NO NC alarm contact
C common alarm contact
NO alarm contact 250V; 8 A max. with resistive load; 4 A max. with inductive load
NO-C External fan relay 250V; 8 A max. with resistive load; 4 A max. with inductive load
24-GND Power supply for external humidistat 24 Vac, 2 watts
Tab. 3.m
3.14 Control device wiring diagram
CH***N2003 Models
HL
DP
DT EVF
STEAM
BOILER UNIT
WATER OUTLET
WATER
INLET
EMBEDDED
BLOWER
(only for
CHF* models)
IN
GND
AB
AB
N1
GND
N2
NO
C
NC
CN
O
24Vac
GND
KEYBOA
RD
KEY
L1 L2
EXTERNAL FUSED
DISCONNECT TO
BE INSTALLED
(NOT SUPPLIED)
RESPECT LOCAL
CODES
POWER SUPPLY
(100Vac 1-PHASE 50-60 HZ
OR 230Vac 1-PHASE 50-60 HZ)
CONNECTED
TO GROUND
8
2
4
6
ON-OFF
BOTTON
N F
PROGRAMMING PORT
AIR PRESSURE SWITCH
HUMIDISTAT
ALARM
EXTERNAL DUCT FAN
24Vac FOR
EXTERNAL
HUMIDISTATS
ALARM
EXT FAN
HL
N
EVF
DP
N
F
INT
FAN
E1
E2
Fig. 3.ad
Key
EVF Fill valve
DT Drain valve
HL High level sensor
E1, E2 Electrodes