Commissioning
Use the following procedure to commission the FX-PCV 1615/1626/1628/1630 controller:
1. Download the control application to the controller using the CCT. Refer to the
Controller Tool
Help (LIT-12011147)
.
2. Commission the VAV Box. Refer to the
Controller Tool Help (LIT-12011147)
.
3. Perform airflow balancing on the VAV box. Refer to the
VAV Box Balancing Tool and Network
Sensors Technical Bulletin (LIT-12011659)
.
4. Perform commissioning checkout procedures. Refer to the
Controller Tool Help (LIT-12011147)
.
You commission controllers with the CCT software. The controller can be connected in one of
four ways; either NxE Passthru, Bluetooth (using BTCVT), through MAP 4.2+/BACnet Router
(Mobile Access Portal (MAP) Gateway at version 4.2 or above), or Direct Ethernet connection to the
controller. Refer to
Controller Tool Help (LIT-12011147)
for detailed information on commissioning
field controllers.
Note:
The Bluetooth connection can be used to Transfer to Computer (Upload) and
commission the controller, but cannot be used to Transfer to Device (Download).
The CCT connects to the FX-PCV through a laptop computer using different connection options: the
Bluetooth Commissioning Converter, or the wired BACnet Ethernet to MS/TP Router can be used
when using the BACnet MS/TP protocol. These connection options require additional hardware
listed in Table 9.
Repair information
If the FX-PCV controller fails to operate within its specifications, replace the unit. For a replacement
unit, contact the nearest Johnson Controls representative.
Troubleshooting
Table 8 provides LED status indicator information for troubleshooting the FX-
PCV1615/1626/1628/1630 controllers. The table below provides some additional troubleshooting
information for possible problems.
Note:
If you experience short circuits in the 24 VAC power supply causing protective devices
such as breakers or fuses to trip, make sure that the power connections on the FX-PCV are not
reversed. The most common cause of this problem is when the 24 VAC power supply on the
FX-PCV is reversed but not reversed on a connected secondary device. Improper wiring of this
power terminal may cause a short circuit across the 24 VAC power supply.
Troubleshooting scenarios
Controller is Off
Power at Primary of Transformer, 0V at Secondary
or
the Power at Primary Transformer, 24V at
Secondary, 0V at Fuse/Breaker
and
Breaker/Fuse has tripped.
Possible Cause:
1. Transformer is shorted.
2. 24VAC powered sensor is not wired with the same polarity as the controller.
3. SA bus device is not wired with the same polarity as the controller.
23
FX-PCV1615/1626/1628/1630 Programmable VAV Box Controllers Installation Instructions