Wiring The Peripheral Devices - Siemens PolyCool Superheat CPS40 Manual De Instalación Y Servicio

Devices
X1 Pressure sensor QBE9103-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 con-
trol)
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 follow-
ing connection diagram:
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!
Superheat - CPS40
System components
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)
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CE1U3372xx
2018-11-09