WattMaster VAV System - Manual (Page 23)

Operator Interfaces
Technical Guide
23
Line 3 Current Outdoor Air Relative Humidity
If this unit is configured for a humidity sensor a value will
appear on this line. If a humidistat is configured
this line will display “Humidistat Open” or “Humidistat
Close”. If neither is configured, this line will be blank.
Line 4 Displays calculated Wetbulb Temperature
If this unit is configured for a humidity sensor a value will
appear on this line. If no humidity sensor is configured,
this line will be blank.
S S S S Status Screen 6
WMVAV v1.00 ID 59
Supply Air.: xx.x
° F
Return Air.: xx.x ° F
Supply Spt.: xx.x°F
Line 2 Current Supply Air Temperature.
Line 3 Current Return Air Temperature
Line 4 Current Supply Air Setpoint
Can be reset from an external signal if this option is
selected
Status Screen 7
WMVAV v1.00 ID 59
Static Pr..: x.xx”
Fan VFD....: xxx %
Economizer.: xxx %
Line 2 - Current Static Pressure Reading.
Line 3 - Current Fan VFD Signal percentage
Line 4 - Current Economizer damper percentage open.
Status Screen 8
WMVAV v1.00 ID 59
Relief Pr..: xx.xx”
Relief VFD.: xxx %
[Relief is Optional]
Line 2 Current Relief Pressure
If the unit is configured for Relief Pressure control.
This will display 0.00” if you don’t control relief pressure.
Line 3 Current Relief Fan VFD Signal.
This will display 0 % if the unit is not configured for relief
pressure control.
Line 4 Just a reminder that this is an optional control output
and may or may not have live data to display.
Status Screen 9-15
WMVAV v1.00 ID 59
Fan Relay.....: OFF
CoolStage 1...: OFF
HeatStage 1...: OFF
Line 2 - Current Supply Fan Relay status
The letters FRC will appear before the colon if this relay is
in a force mode. On screens 10 to 14 this line will indicate
the relays use as a Heating / Cooling, Warm-up Mode,
Reversing Valve, etc., and the ON/OFF condition for that
relay. Possible options are:
HeatStage CoolStage Warm-up Mode
Rev. Valve Re-Heat Exhaust Fan
Pre-Heater Economizer Alarm
Override Occupied
Line 3 - Current relay status and description of what it is
configured for.
The letters FRC will indicate the relay is forced to its
current condition.
Line 3 - Current relay status and description of what it is
configured for.
The letters FRC will indicate the relay is forced to its
current condition.
Status Screen 16
WMVAV v1.00 ID 59
NO ALARMS
Line 2 - Blank Line
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:
BAD SPACE SENSOR
FAN PROVING FAILURE!
MECH COOLING FAILURE
MECH HEATING FAILURE
DIRTY FILTER ALARM
CONTROL TEMP ALARM
If you press "Enter" the screen will scroll through all the
active alarms.
Line 4 - Blank Line