Carel uChiller UCHBP00000200 - Page 103

103
ENG
µchiller +0300053EN rel. 2.2 - 14.12.2021
Technical speci cations
Model UCHBP* (panel models) UCHBD* (DIN rail models)
Valve output
J14 Available only on DIN version CAREL E*V unipolar valve power supply: 13 Vdc,
min winding resistance 40 Ω
Analogue outputs (Lmax=10m)
J14 Y1, Y2 0….10 Vdc: 10 mA max
Digitaloutputs (Lmax=10m)
Note:
the sum of current draw on NO1, NO2, NO3 and NO4 must not exceed 8 A
J6 NO1(5A), NO2(5A),
NO3(5A), NO4(5A)
5A: EN60730: 5A resistive, 250Vac, 50k cycles; 4(1),
230Vac, 100k cycles; 3 (1), 230Vac, 100k cycles
UL60730: 5A resis., 250Vac, 30k cycles; 1FLA, 6LRA,
250Vac, 30k cycles; Pilot Duty C300, 30k cycles
5A: EN60730: 5A resistive, 250Vac, 50k cycles; 4(1),
230Vac, 100k cycles; 3 (1), 230Vac, 100k cycles
UL60730: 5A resis., 250Vac, 30k cycles; 1FLA, 6LRA,
250Vac, 30k cycles; Pilot Duty C300, 30k cycles
J7 NO5(5A)
J11 NO6(5A) - only for DIN
Emergency powersupply
J10: Ultracap module (optional,
available only on DIN version)
- 13 Vdc ±10%
Probe and terminalpowersupply (Lmax=10m)
5V 5 Vdc ± 2% to power the 0 to 5 V ratiometric probes.
Maximum current delivered: 35 mA protected against
short-circuits
5 Vdc ± 2% to power the 0 to 5 V ratiometric
probes. Maximum current delivered: 35 mA
protected against short-circuits
+V 8-11 V to power the 4-20 mA current probes. Maximum
current delivered: 80 mA
protected against short-circuits
8-11 V to power the 4-20 mA current probes.
Maximum current delivered: 80 mA
protected against short-circuits
VL Not used Not used
J8 User terminal power supply User terminal power supply
Serialports
BMS
Lmax=500 m, shielded cable (RS485 1½
twisted pair) (1)
• Integrated
• Protocol: Modbus
• HW driver: asynchronous half duplex RS 485 Circuit 2
• Not optically-isolated
• 3-pin plug-in connector, 3.81 mm pitch
• Max data rate: 115200 bit/s
• Maximum number of connectable devices: 16
• Integrated
• Protocol: Modbus
• HW driver: asynchronous half duplex RS 485 Cir-
cuit 2
• Not optically-isolated
• 3-pin plug-in connector, 3.81 mm pitch
• Max data rate: 115200 bit/s
• Maximum number of connectable devices: 16
FieldBus
J5: Lmax=10 m, shielded cable (RS485 1½
twisted pair) (1)
• Integrated
• HW driver: asynchronous half duplex RS 485 Circuit 1.
Typical reception resistance 96 kohms, equal to 1/8
of unit load, i.e. 1/256 of maximum load applicable
on the line
• Not optically-isolated
• Max data rate: 19200 bit/s
• Maximum number of connectable devices: 16
• Protocol: Modbus RTU
• Integrated
• HW driver: asynchronous half duplex RS 485
Circuit 1. Typical reception resistance 96 kohms,
equal to 1/8 of unit load, i.e. 1/256 of maximum
load applicable on the line
• Not optically-isolated
• Max data rate: 19200 bit/s
• Maximum number of connectable devices: 16
• Protocol: Modbus RTU
Cable lengths
Analogue inputs/outputs, digital inputs/
outputs, probe power
<10m (*) (*) in the panel version, if using the +13 V power supply in domestic environments, the maxi-
mum cable length is 2 m.
Valve < 2 m, < 9 m with shielded cable < 2 m, < 9 m with shielded cable
BMS and Fieldbus serial cables <500m with shielded cable <500m with shielded cable
Conformity
Electrical safety EN/UL 60730-1, EN/UL 60335-1 EN/UL 60730-1, EN/UL 60335-1
Electromagnetic compatibility EN 61000-6-1, EN 61000-6-2,
EN 61000-6-3, EN 61000-6-4
EN 61000-6-1, EN 61000-6-2,
EN 61000-6-3, EN 61000-6-4
Applications with fl ammable
refrigerant gases
EN/UL 60079-15, EN/UL 60335-2-34,
EN/UL 60335-2-40, EN/UL 60335-2-89
EN/UL 60079-15, EN/UL 60335-2-34,
EN/UL 60335-2-40, EN/UL 60335-2-89
Wireless compliance RED, FCC, IC RED, FCC, IC
Tab. 9.a
Note: (1) it is recommended to use a BELDEN 8761 cable (AWG 22).