Carel µC2 User Manual

60
A B
C
D E
F
E N G L I S H
µC
2
- +030220731 - rel. 1.2 - 26.10.2007
User interface
symbol meaning refrigerant circuit
involved
ON flashing
1,2 Compressor 1 and/or 2 ON Start request 1
3,4 Compressor 3 and/or 4 ON
Start request 2
At least one compressor ON 1 e/o 2
Pump/air outlet fan ON Start request 1 e/o 2
Condenser fan ON 1 e/o 2
Defrost active Defrost request 1 e/o 2
Heater ON Start request 1 e/o 2
Alarm
button Red
LED
Alarm active
1 e/o 2
Alarm active EEPROM alarm 1 e/o 2
Warning relay activated (only with expan-
sion board)
Alarm relay activated
Heat pump mode (P6=0) Season changeover request 1 e 2
Chiller mode (P6=0) Season changeover request
Table7.h
Functions associated with the buttons
button unit status button operation
C Switch off buzzer or alarm relay, if alarm active Press once
Manual reset of alarms that are no longer active Press for 5 s
B Enter parameter programming mode after entering password Press once
A Return to higher subgroup inside the programming environment until
exiting, saving to EEPROM
Press once
D Select higher item inside the programming environment Press once or hold
Increase value
Switch from standby to chiller mode (P6= 0) and vice-versa Press for 5 s
E Access direct parameters: selection (as for button on µC
2
) Press for 5 s
Select item inside the programming environment and display direct parame-
ter values/confirm the changes to the parameter
Press once
F Select lower item inside the programming environment Press once or hold
Decrease value
Switch from standby to heat pump mode (P6= 0) and vice-versa Press for 5 s
D+F Immediately reset the hour counter (inside the programming environment Press for 5 s
E+D Start manual defrost on both circuits Press for 5 s
D+F+E Display the terminal Info screen Press for 5 s
Table7.i
Technical specifications of the display
Type graphic FSTN
Backlighting green LED
Graphic resolution 120 x 32
Size of active area 71.95 x 20.75
Size of display area 76 x 25.2
Power supply From “RJ12 power supply”
Materials
Transparent front panel Transparent PC
Grey case back piece Charcoal PC+ABS (wall/built-in)
Keypad Silicon rubber
Transparent glass/frame Transparent PC
Table7.j
Technical specifications of the power supply “RJ12 Power supply”
Voltage 24 Vac +10/–15% class 2
Current input at 24 Vac 100 mA
Compulsory external fuse 250 mAT
Transformer 3 VA (safety)
Power supply terminals removable screw, step 5 mm; wire cross-section 0.2 to 2.5 mm2
RS485 terminals removable screw, step 3.5 mm; wire cross-section 0.2 to 2.5 mm2
Telephone connector 6-way RJ12
Index of protection IP20
Self-extinguishing cat. A/UL94 HB
Table7.k
General characteristics
Front panel index of protection IP65 with panel mounting (MC200TP00), UL Type 1
IP40 with wall-mounting (MC200TW00), UL Type 1
Operating conditions -20T60 °C, 90% r.H. non-condensing
Storage conditions -20T70 °C, 90% r.H. non-condensing
Self-extinguishing V0 on transparent front panel and rear of case according
HB on silicon keypad and remaining parts
PTI of insulating material 250 V
Software class and structure A
Environmental pollution normal
Period of electrical stress long
Classification according to protection against electric
shock
to be integrated into class I or II devices
Category of immunity against voltage surges category II
Table7.l
Fig. 7.q

Carel µC2 Specifications

General

Brand	Carel
Model	µC2
Category	Controller
Language	English