Wiring The Peripheral Devices - Siemens PolyCool Superheat CPS 40 Manuel D'installation Et D'utilisation

Devices
X1 Pressure sensor QBE9101-P10U
X2 Temperature sensor QAZ21.682/101
X4 Only if capacity control is configured:
- Temperature sensor active
- Signal transmitter DC 0...10 V /
4...20 mA *
X5 Temperature sensor QAZ21.682/101
(only required for internal capacity
control)
K1 Enable
M1 Compressor
N1 Controller RWR462.10
Y1 Electronic injection valve (EIV)
MVL661...-...
Siemens
Building Technologies

3.2 Wiring the peripheral devices

The peripheral devices must be wired in accordance with the
following connection diagram:
AC / DC 24 V
K1
G D1 M
G0 Y1
G
G0
G0
L
N
Terminal assignments
X1, 24 VDC
X2, GND
X3
X4, GND
X5, GND
D1, M
Q13, Q14
G, G0
Y1
* Usable range: -0.5...10.5 V / 3.5...20.5 mA.
Outside this range, the controller locks out!
CPS40
X1 X2
G (+)
I (-)
B M
B M
X1 GND X2 X3
X4 GND
Q13
Y
Y1
U
Evaporation pressure
Suction gas temperature
EIV position feedback signal
For configured capacity control:
- External signal DC 0...10 V / 4...20 mA
- Medium temperature (active sensor)
For configured internal capacity control:
- Medium temperature (passive sensor)
Enable
Compressor
Power supply AC / DC 24 V
Positioning signal EIV (DC 0...10 V)
CE1U3372XX / H 74 319 0555 0 d
X4 X5
B M
X5 GND 24VDC
Q14
N1
M1
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