Carel uC2SE User Manual Page 48
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48
120 Vac
250 Vac 30 Vdc
AC 120 V cosø =0.7
AC 250 V cosø =0.7
250 Vac cosø =0.4
30 Vdc
120 Vac cosø =0.4
30 Vdc
300
200
100
50
30
20
10
5
3
2
1
012345
ENGLISH
µC
2
SE process chiller +030220416 - rel. 1.1 - 27.04.2010
9. CODES
Description Code
µC
2
SE single circuit, 2 compressors, panel mounting MCH2000050
µC
2
SE single circuit, 2 compressors, panel mounting (20 pcs. multiple package) MCH2000051
µC
2
SE
expansion board for 2nd. circuit maximum 4 compressors MCH2000020
µC
2
SE
expansion board for 2nd. circuit maximum 4 compressors (10 pcs. multiple package) MCH2000021
RS485 optional board for
µC
2
SE panel version
MCH2004850
Programming key for
µC
2
SE
PSOPZKEY00
ON/OFF fan card (only screw terminals) CONVONOFF0
PWM - 0 to 10 V fan card (only screw terminals) CONV0/10A0
Temperature probes for regulation or condensation control
***depending on the length (015= 1.5 m, 030= 3 m, 060=6 m)
NTC***WP00
Pressure probes for condensing pressure control
** depending on the pressure (13= 150 PSI, 23= 75 PSI, 33= 500 PSI)
SPK*R*
Connectors kit for code MCH2000001 (multiple package 20 pcs) MCH2CON001
Connectors kit for code MCH2000001 (multiple package 10 pcs) MCH2CON021
Minifi t connectors kit + 1 meter length for code MCH2** MCHSMLCAB0
Minifi t connectors kit + 2 meter length for code MCH2** MCHSMLCAB2
Minifi t connectors kit + 3 meter length for code MCH2** MCHSMLCAB3
Remote terminal for MCH20000** for panel installation MCH200TP0* MCH200TP0*
Remote terminal for MCH20000** for wall-mounting MCH200TW0* MCH200TW0*
Supervisor serial connection kit for remote terminal MCH200TSV0
Fan speed PWM 4 A/230 Vac MCHRTF04C0
Fan speed PWM 8 A/230 Vac MCHRTF08C0
Fan speed PWM 12 A/230 Vac MCHRTF12C0
Fan speed PWM 10 A/230 Vac 1 Pc. Nor. Ind. MCHRTF10C0
Fan speed PWM 10 A/230 Vac 10 Pc. Nor. Ind. MCHRTF10C1
Table 9.a
10. TECHNICAL SPECIFICATIONS AND SOFTWARE UPDATES
10.1 Technical specifi cations
Electrical specifi cations
In the following specifi cations “Group A” defi nes the grouping of the following outputs: valve, pump,
compressor, heater.
Power supply 24 Vac, range +10/–15 %; 50/60 Hz
Maximum power input: 3W
Fuse (compulsory) in series with the power supply to the µC
2
SE: 315mAT
12 pin connector Max. current 2 A for each relay output, extendable to 3 A for one single output
Relays Max current at 250 Vac: EN60730: resistive: 3A, Inductive: 2A cos =0.4 60,000
cycles
UL: Resistive: 3A, 1 FLA, 6 LRA cos =0.4 30,000 cycles
For further information refer to the characteristics shown in Figure 10.a
Minimum interval between communications (each relay): 12 s (the manufacturer
of the unit that the device is integrated into must ensure the correct confi guration
so as to respond to this specifi cation
Type of microswitching: 1 C
Insulation between relays in group A: functional
Insulation between the relays in group A and the very low voltage parts:
reinforced
Insulation between relays in group A and the signal relays: primary
Insulation between the signal relays and the very low voltage parts: reinforced
Insulation between the relays and the front panel: reinforced
Digital inputs Electrical standard: voltage-free contacts
Closing current to earth: 5 mA
Maximum closing resistance: 50 W
Analogue inputs B1, B2, B3, B4: NTC CAREL temperature probes (10 kW at 25 °C)
The response time depends on the component used, typical value 90 s
B4: NTC temp. probes (10 kW at 25 °C) or CAREL 0 to 5 V ratiometric pressure
probes SPKT00**R*
Fan output Control signal for CAREL modules MCHRTF****, CONVONOFF* and
CONV0/10A*
Phase width modulation (settable width) or modulation of the duty cycle
No-load voltage: 5V ± 10%
Short-circuit current: 30 mA
Minimum output load: 1 kW
Front panel index of protection IP55
Storage conditions -10T70 °C – humidity 80 % rH non-condensing
Operating conditions -10T55 °C – humidity <90 % rH non-condensing
Degree of pollution Normal
Cat. of resist. to heat and fi re D (RU94 V0)
PTI of the insulating materials All the insulating materials have PTI250 V
Software class and structure A
Period of electric stress across
insulating parts
Long
Homologations CE/RU (File EI98839 sez.16)
Table10.a
Nota: all the relays must have the common terminals (C1/2, C3/4, C6/7, C8/9) connected together.
Fig. 10.a
current on contacts (A)
number of operations (x 10
4
)
- User manual 1
- IMPORTANT WARNINGS 3
- Disposal of the product 3
- CONTENTS 5
- Table 1.a 7
- Table 1.b 8
- 2. CONNECTIONS 9
- 3. APPLICATIONS 10
- 3.2 WATER/WATER chiller 11
- 3.2.2 Two circuits 12
- 4. PARAMETERS 13
- Tab. 4.a 14
- Table. 4.b 14
- Table 4.e 15
- Table 4.c 15
- Table 4.d 15
- Table 4.g 16
- Table 4.h 17
- Table 4.i 17
- Table 4.k 18
- Table 4.l 19
- Table 4.m 20
- Table 5.a 21
- Cooling ON/OFF Heating ON/OFF 25
- H11= 12: 28
- Part load in low pressure 30
- - Defi nition of DI11 to DI15 32
- - Defi nition of DO11 to DO15 32
- OFF r01 r01+r07+r02/4 33
- A1 r01-r12 34
- 1. chiller; 35
- 2. chiller in low load; 35
- 5. temperature 35
- SV Display Type 36
- Table 6.a 37
- Panel version 41
- I/O layout 41
- Table 7.a 41
- Table 7.b 41
- Table 7.c 42
- (code CONV0/10A0) 43
- Table 7.d 44
- Technical specifi cations 44
- Table 7.e 44
- 7.9 RS485 serial options 45
- 7.10 Terminals 45
- 8. DIMENSIONS 46
- 8 e 12 A 47
- 9. CODES 48
- 10.2 Software updates 49
- Agenzia/Agency: 52
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