WattMaster VAV System - Manual (Page 33)

Operator Interfaces
Technical Guide
33
Status Screen #4
HC Box v1.04 IDxxxx
Supply Air.: xx.x
° F
Duct Air...: xx.x ° F
Line 2 Current Supply Air Temperature received via
broadcast from the WMVAV controller or from the
VAVBox Controllers own installed Supply Air Sensor
on the AUX2 input.
Line 3 Current Duct Air Temperature at the
duct air temperature sensor location if a duct
temperature sensor is installed and connected to the
VAVBOX controller. If a duct air temperature sensor is
not installed this line will display the same supply air
temperature as on Line 2 above.
Status Screen #5
HC Box v1.04 IDxxxx
Damper FRC: xxx %
Airflow...: xxxx CFM
Desired...: xxxx CFM
Line 2 Current Zone Damper Position If the user has entered
a FORCE command, the letters FRC will appear. If
this is normal damper operation, the FRC is not
displayed.
Line 3 If this is a Pressure Independent box, the current
Airflow will be displayed. If not, this line will display
the current damper position.
Line 4 If this is a Pressure Independent box, this line will
display the Desired CFM the box would like to
provide to the zone. If not, this line will display
[Controls to +/- 3%] to indicate how accurately the
damper will maintain the desired position.
Status Screen #6
HC Box v1.04 IDxxxx
Fan Status : OFF
1 Reheat Stages On
Line 2 If this is a Fan Powered box, this line will display the
Fan On/Off Status. On non fan powered boxes, this
line will display: Exp Relay 1 Not Used
Line 3 If your VAV Box Controller has been configured to
control reheat stages, this line reflects the On/Off
Status of the first stage of Reheat. If proportional
heating is used this line will display “Heating
Signal: xxx %”. If you have 3 stages of reheat this
line will display the total number of active heating
stages.
Example:
“1 Reheat Stages On” or
“2 Reheat Stages On” or
“3 Reheat Stages On”
Line 4 Blank
Status Screen #7
HC Box v1.04 IDxxxx
NO ALARMS!
Line 2 Blank
Line 3 NO ALARMS!
This is displayed if no alarms are detected. If there are
one or more alarms active, the possible messages are
shown below:
SPACE SENSOR FAILURE
CFM SENSOR FAILURE
DAMPER OPENING ALARM
DAMPER CLOSING ALARM
HI SPACE TEMP ALARM
LO SPACE TEMP ALARM
DPR FEEDBACK FAILURE
Line 4 Blank