WattMaster WM-WCC3-TGD-01B - Manual (Page 303)

WCC III Technical Guide 3-189
WCC3.EXE SCREEN DESCRIPTIONS
Designate Setpoint to be Affected (*)
An asterisk (*) is placed under the setpoint that is to be changed
according to the reset schedule. In the above example, the On
schedule setpoint is reset with outdoor air temperature.
--------------Setpoints to be Affected--------------
On Off Alt. Alt.
Schedule Schedule On Sch. Off Sch.
EA Driver *
EA Driver
EA Driver means that the binary outputs which are being used to
control the output device (i.e. hot water valve) are programmed
using the EA Driver Screen. An EA Driver Screen has the following
setpoints available:
On Schedule: 160 ºF Alternate On: 0.0 ºF
Off Schedule: 120 ºF Alternate Off: 0.0 ºF
The “EA Driver” input on this line is a choice fi eld which allows
you to “tell” the system what screen has been used for the device
being controlled (i.e. hot water valve). Since this is a choice fi eld,
the choices will appear on the bottom of the screen.
<EA Driver, Dual High, Dual Low>
Make your selection by using the arrow keys to move the cursor to
this fi eld, then press the
<space bar> once for each choice. When
the desired control type appears, press <Enter> .
Dual High/Dual Low
Dual High or Dual Low means that the binary output which is
being used to control the output device (i.e. hot water valve) is
programmed using the Dual Limit Screen. The Dual Limit Screen
has time following setpoints available:
Low Limit High Limit
On Schedule CLOSED Between 90 & 130 ºF
Off Schedule CLOSED Between 80 & 120 ºF
Alt On Schedule OPEN Between 0.0 & 0.0 ºF
Alt Off Schedule OPEN Between 0.0 & 0.0 ºF
“Dual Low” is selected if the Low Limit setpoints are to be reset,
and “Dual High” is selected if the High Limit setpoints are to be
reset.
Proportional Reset Screen