Bitzer CM-RC-01, Reference Manual

Page: 21 / 44

v. 3.0 Reference guide
Compressor Control Module CM-RC-01
3.0
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6.
I/O List for CM-RC-01
Connector Name
Type/
Function
Logic Description
Supply
CN1
L
N
Supply - Supply for CM-RC-01 and control outputs;
115 V-230 V; +10% ~ -15%, 50/60 Hz; max 500 VA with
external components
Fuse 8A T @115VAC; 4A T@230VAC
Contactor
Control
CN2
K1 Ctrl Motor
Start
NO Activate K1 contactor
115 V-230 V; +10% ~ -15%, 50/60 Hz; max 2,5A;
C300 max 100.000 cycles; D300 max 350.000 cycles
K2 Ctrl Motor
Start
NO Activate K2 contactor
115 V-230 V; +10% ~ -15%, 50/60 Hz; max 2,5A;
C300 max 100.000 cycles; D300 max 350.000 cycles
Relay C Input NO Compressor run signal
115 V-230 V; +10% ~ -15%, 50/60 Hz
Fault
CN2
Relay NC Input NC Fault relay;
115 V-230 V; +10% ~ -15%, 50/60 Hz; max 2,5A;
C300 max 100.000 cycles
HP Switch
CN3 HPS-1
HPS-2 Output
Input
NO 115 V-230 V; +10% ~ -15%, 50/60 Hz; max 2,5A;
115 V-230 V; +10% ~ -15%, 50/60 Hz
Control
Output
CN4 Oil Heater
N
Output
Neutral
NO Oil heater
115 V-230 V; +10% ~ -15%, 50/60 Hz; max 2A
(1)
Control
Output
CN5 Add. Fan
N
Output
Neutral
NO Additional fan
115 V-230 V; +10% ~ -15%, 50/60 Hz; max 2A
(1)
Control
Output
CN6
CRII-1
N
Output
Neutral
NO CRII-1 valve
115 V-230 V; +10% ~ -15%, 50/60 Hz; max 2A
(1)
CRII-2
N
Output
Neutral
NO CRII-2 valve
115 V-230 V; +10% ~ -15%, 50/60 Hz; max 2A
(1)
CRII-3
N
Output
Neutral
NO CRII-3 valve
115 V-230 V; +10% ~ -15%, 50/60 Hz; max 2A
(1)
Inject
N
Output
Neutral
NO Injection valve
115 V-230 V; +10% ~ -15%, 50/60 Hz; max 2A
(1)
Oil Sensor 1
CN9
+24V Supply
GND
Signal
GND
Supply
Ground
Input
Ground
NO
+24 VDC ±10%; max 100 mA
0 V ground
Oil level signal. Sourcing to ground; max 24 VDC; max 20
mA
0V ground for Signal
Motor PTC
CN10
PTC-1
PTC-2 Signal
Signal Temperature
Temperature Motor temperature
0 – 50 kΩ; PTC sensor according to DIN 44081/44082
1 – 9 in series. Max. total resistance: < 1,8 kΩ
Short circuit fault detection below 80 Ω
Rtrig:
4,5 kΩ ±20%
Rreset: 2,7 kΩ ±20%
Taux
CN11
Tdis
CN11
Signal
GND
Input
Ground
Temperature Auxiliary temperature.
PT1000 sensor;-40°C ~ +100°C; accuracy: ±2°C
0V
Signal
GND
Input
Ground
Temperature Discharge temperature.
PT1000 sensor; 0°C ~ +200°C; accuracy: ±2°C
0V
Pdis
CN12 Discharge pressure. Sensata 2CP5-71-47 (rel) or
equivalent