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Installing the MPC Open XP
Rnet wiring specifications
NOTE Use the specified type of wire and cable for maximum signal integrity.
Description
Conductor
Maximum length
Insulation
Color Code
Shielding
UL temperature rating
Voltage
Listing
To wire ZS sensors to the controller
ZS Sensors are thermistor-based temperature sensors that may optionally sense humidity, CO
Sensors are wired to the Rnet port on i-Vu® Open controllers. You can use the following ZS sensors:
•
ZS Standard
•
ZS Plus
•
ZS Pro
•
ZS Pro-F
NOTES
•
The ZS CO2 model uses 190 mA during sample period. Use auxiliary 12 Vdc, unless it is the only device on
the Rnet port.
•
A control program can use no more than 5 ZS Sensors
•
SPT sensors cannot share the Rnet with other devices.
•
For detailed instructions, see the ZS Sensor Installation Guide.
1
Remove power from the MPC Open XP.
MPC Open XP
MPC Open XPIO48/816
Installation and Start-up Guide
4 conductor, shielded or unshielded, CMP, plenum rated cable
22 AWG (7x0096) bare copper if Rnet has only sensors
500 feet (152 meters)
Low-smoke PVC (or equivalent)
Black, white, green, red
If shielded, Aluminum/Mylar shield (100% coverage) with TC drain wire, terminated
at controller
32–167°F (0–75°C)
300 Vac, power limited
UL: NEC CL2P, or better
20
, or VOC. ZS
2
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