Trane Air-Fi WCS-SB/R - Page 92

92
BAS-SVX40K-EN
• Heating Setpoint = Cooling Setpoint Active - 2°F (1.11°C)
• Space Setpoints BCI-R/BCI2-R using Air-Fi with Occupied Offset out of service
• Cooling Setpoint Active = Last change in setpoint from Air-Fi sensor
• Heating Setpoint = Cooling Setpoint Active - 2°F (1.11°C)
– BCI-I/BCI2-I
• Space Setpoints BCI-I/BCI2-I using Air-Fi with Occupied Offset in service:
• Cooling Setpoint Active = Last change in setpoint from Air-Fi sensor + offset
• Heating Setpoint = Last change in setpoint from Air-Fi sensor + offset
• Space Setpoints BCI-I/BCI2-I using Air-Fi with Occupied Offset out of service
• Cooling Setpoint Active = Last change in setpoint from Air-Fi sensor
• Heating Setpoint = Local Keypad Setpoint.
• Space Humidity
– BCI-R/BCI2-R
To see humidity, the unit must have the ability to dehumidify. Only units that support
dehumidification can support the wireless humidity module or a BCI-R/BCI2-R with firmware
version 7.0 and above automatically creates a humidity point. See the BACnet Communications
Interface (BCI-R) Integration Guide ( BAS-SVP09*-EN), to determine if the unit will support the
humidity module and populate Space Humidity Active AI-16 with the value.
– BCI-I/BCI2-I
All IntelliPak units support the humidity module.
• Space CO
2
– BCI-R/BCI2-R are capable of supporting the WCS-SCO
2
sensor, but you must have Demand
Control Ventilation enabled in order for the value to be displayed. Space CO
2
concentration level
will be reported via AI-32, Space CO
2
Concentration Active. If multiple sensors are associated to
a UC only the highest CO
2
value will be used.
– To enable Demand Control Ventillation the following needs to be set up:
1. RTEM economizer module installed.
2. The front end cannot be controlling the OA damper.
3. AO1 put out of service.
4. B07 put out of service.
5. AO16 put out of service.
6. There must be a valid CO
2
reading.
– BCI-I/BCI2-I does not support the WCS-SCO
2
sensor. However, you can create a CO
2
Global
Reference in SC from another unit controller that is using WCS-SCO
2
. The Global Reference
must write the CO
2
value into Analog Output instance 18 "Space CO
2
Concentration BAS" on
the BCI-I/BCI2-I. The point is then taken out of service.
• Motion Sensor (Occupancy)
– BCI-R/BCI2-R (both CV and VAV types) supports WCS-SO and WCS-SCO
2
sensors with some
limitations (See following table). If multiple sensors are used the space will go occupied when
any associated sensor detects motion.
– With the introduction of the Air-Fi CO
2
/Occupancy sensor, the BCI-R/BCI2-R controller now
supports 3 sources for Occupancy (See Table 14, p. 93):
• Occupancy Request (MO-7)
• Air-Fi Occupancy Sensor (wci.occupancyInput)
• Local Occupancy Input (RTRM J6-12 signal, J6-11 common)
Above is the priority order that is used by the controller in case multiple sources are active. The
BCI-R/BCI2-R arbitrates the multiple sources and then communicates the appropriate
Using the Tracer® TU Service Tool with a Wireless Network