User manual

µC
2
SE process chiller +030220416 - rel. 2.2 - 25.01.2013
9 TECHNICAL SPECIFICATIONS
“Group
A” is
defined
successi
vely, the
collectio
n of the
followin
g
outputs:
valve,
pump,
compre
ssor,
heater.
Note: all relays must have the common (C1/2, C3/4) connected together.
Power supply 24 Vac, range +10/–15 %; 50/60 Hz
Maximum input power: 3 W
Fuse mandatory in series with µC
2
SE power supply: 315 mA
T
12-way connecto
r
Max. current 2 A for every relay output, extendible to 3 A for individual outpu
t
Relay
Max. current at 250 Vac: EN60730: Resistive: 3 A, Inductive: 2 A cos

=0.4 ; 60000 cycles
UL: Resistive: 3 A, 1 FLA, 6 LRA cos =0.4 30000 cycles
For further information consult the specifications stated in figure
Minimum interval between the communications (every relay): 12 s (it is the task of the machine
manufacturer in which the device is incorporated to guarantee the correct configuration in order to
respond to this specification)
Type of micro switch interruption action of the relays: 1 C
Isolation between group A relays: operational
Isolation between group A relays and the very low voltage: reinforced
Isolation between group A relays and the signalling relay: main
Isolation between the signalling relay and the very low voltage: reinforced
Isolation between the relays and the front panel: reinforced
Digital Inputs Electric standard: free contac
t
Closing current referring to mass: 5 m
A
Maximum closing resistance: 50 W
Analogue inputs CAREL NTC temperature probes (10 kW at 25 °C)
Response time depends on the component used, typical value 90 s.
B4: NTC temp. probes (10 kW at 25 °C) or ratiom. pressure probes CAREL 0...5 V SPK*00**R*
Fan outpu
t
Control signal for CAREL modules MCHRTF****, CONVONOFF* and CONV0/10A*
Impulse position modulation (settable width) or modulation of the duty cycle
Unloaded voltage: 5 V ± 10%
Short circuit current: 30 m
A
Minimum output load: 1 k

Front protection rating IP55
Storage conditions -10T70 °C – humidity 80% R.H. non condensing
Operating conditions -10T55 °C – humidity 90% R.H. non condensing
Level of pollution Normal
Heat and fire resistance cat. D (UL94 V0)
PTI of the isolating materials
All isolating materials have PTI250 V
Class and structure of the software
A
Period of electric stress across insulating parts Long
Type-approvals CE/UL (File EI98839 sec.16)
39