30
Fig. 20 — Example Modstat
Communication LEDs
The LEDs indicate if the controller is speaking to the devices on
the network. The LEDs should reflect communication traffic
based on the baud rate set. The higher the baud rate the more solid
the LEDs will appear. See Table 3.
12/10/2019 12:12:53
CM: 1
Device Instance: 1610101
Downloaded by: AppLoader AppLoader 12/10/19 05:53 AI654321
Application Software Version: PRG:vav_rtu_open_20180828
Flash Archive Status: Valid on 12/10/19 07:03:07
1 PRGs initialized. 1 PRGs running.
Module status:
Firmware sections validated in flash memory
--------------------------------------------
--------------------------------------------
Boot16-H_IAR - v2.10:001 Apr 18 2013
RTU-OPEH DRIVER - v6.02:028 Jan 4 2017
Table 3 — LEDs
The LEDs on the RTU Open controller show the status of certain functions
Power
The VAV-RTU Open has power
Rx
The VAV-RTU Open is receiving data from the network segment
Tx
The VAV-RTU Open is transmitting data over the network segment
BO#
The binary output is active
The Run and Error LED’ indicate control module and network status
If Run LED shows...
And Error LED shows...
Status is...
2 flashes per second
Off
Normal
2 flashes per second
2 flashes, alternating with Run LED
Five minute auto-restart delay after system error
2 flashes per second
3 flashes, then off
Control module has just been formatted
2 flashes per second
4 flashes, then pause
Two or more devices on this network have the
same MSTP network address
2 flashes per second
On
Exec halted after frequent system errors or
control programs halted
5 flashes per second
On
Exec start-up aborted, Boot is running
5 flashes per second
Off
Firmware transfer in progress, Boot is running
7 flashes per second
7 flashes per second, alternating with Run LED Ten second recovery period after brownout
14 flashes per second
14 flashes per second, alternating with Run LED Brownout
On
On
Failure. Try the following solutions:
- Turn the VAV-RTU Open off, then on.
- Format the VAV-RTU Open.
- Download memory to the VAV-RTU Open.
- Replace the VAV-RTU Open.
Table 4 — VAV-RTU Open Alarms
POINT NAME
ACTION TAKEN BY
CONTROL
RESET METHOD
PROBABLE CAUSE
Safety Chain
Immediate Shutdown
Automatic
Over load Indoor Fan or Electric Heater overheat
Fire Shutdown
Immediate Shutdown
Automatic
Smoke detected by smoke detector or
configuration incorrect
Gas Valve
Immediately operate fan at
highest speed
Automatic
Gas valve stuck open after heating cycle, causing
heat to continue to operate.
Supply Fan
Immediately disable Operation Automatic
Tripped Circuit Breaker, Broken belt, Bad indoor
fan motor, Configuration incorrect, Bad fan status
switch.
Supply Fan in Hand
Ramp down Operations
Automatic
Bad Fan Status Switch, Configuration incorrect.
Compressor Status
Alert Generated
Automatic
Compressor would not start
Space Temp Sensor
Ramp down Operations
Automatic
Bad sensor, bad wiring, failure to receive Network
or Linkage Space Temp value, or sensor
configured incorrectly.
ZS Sensor
Alert Generated
Automatic
This alarm indicates a communication failure of a
connected ZS sensor that previously had been
actively communicating.
ZS Configuration
Alert Generated
Automatic
This alarm indicates that at least one ZS sensor is
configured in the Sensor Binder properties and is
not actually communicating.
Supply Air Temp Sensor
Ramp down Operations
Automatic
Faulty, shorted, or open thermistor caused by
wiring error or loose connection.
Local OAT Sensor
May cause Economizer and
Low ambient DX cooling
lockout to be disabled
Automatic
Faulty, shorted, or open thermistor caused by
wiring error or loose connection.
Содержание 48LCB07
Страница 4: ...4 Fig 2 VAV RTU Open Control Module ...
Страница 8: ...8 Fig 5 VAV RTU Open Control Wiring Diagram 48LC B07 ...
Страница 9: ...9 Fig 6 VAV RTU Open Control Wiring Diagram 48LC B08 12 ...
Страница 10: ...10 Fig 7 VAV RTU Open Control Wiring Diagram 48LC B14 26 ...
Страница 11: ...11 Fig 8 VAV RTU Open Control Wiring Diagram 50LC B07 ...
Страница 12: ...12 Fig 9 VAV RTU Open Control Wiring Diagram 50LC B08 12 ...
Страница 13: ...13 Fig 10 VAV RTU Open Control Wiring Diagram 50LC B14 26 ...
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