Bitzer CM-RC-01

v. 3.0
Reference guide
Compressor Control Module CM-RC-01
3.0
21 / 44
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