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CS8500 Setup
1. From the CS8500’s home screen, go to MENU
> TECHNICIAN SETTINGS settings and enter
OK to proceed.
2. Both the RTU and the CS8500 must be set
to the same S-Bus address. The RTU default
address is 2 unless it has been changed. If it
has not change then set the CS8500 S-Bus
address to 2.
3. Set operation with Smart Hub (Central Hub) to
ON.
CS8500 Sensor Failure
If the CS8500 sensor fails, the RTU will revert to its
return air temperature for space temperature and
set points from BACnet.
Functions Not Supported
• Zoning
• Occupancy sensor input from the CS8500.
• BACnet in monitor mode.
• BACnet cannot refresh/reload set point override
timer.
CS8500 Troubleshooting
1. Make sure 24VAC is supplied to the CS8500.
2. Make sure the CS8500 S-Bus address setting
matches the M2/M3 unit controller address.
NOTE: NCP is required when using an NTC.
3. Check communication cable wiring.
4. Verify that the sensor data from the CS8500
display matches the Prodigy Unit Controller
display.
5. For the M1 unit controller (IMC), use the IMC
MODE TEMP switch to display the data.
For the M2 unit controller:
Go to: DATA > SENSORS menu to display the data.
7. For the M3 unit controller:
Go to: DATA > IN/OUTPUT > SENSORS >
NETWORK
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