WattMaster WCC II - Manual (Page 182)

Section 3: Screen Descriptions
WCC II Operator’s Guide
Operator Interfaces 3-150
Analog Control by:
Specifi es the analog point address that acts as the input signal source
for this control output. This input is forced to be the temperature
sensor wired to the specifi c TUC-VR represented by this screen. A
sensor wired to another TUC-VR or a global analog value cannot
be used as the analog input for a TUC-VR. In other words, the
“Analog Control by” value for a TUC-VR is always the room
temperature sensor connected to that particular TUC-VR.
Schedule Control by: ______
The “Occupied or Unoccupied” control setpoints for the TUC-
VR are selected using the “Schedule Control by:” input on
this EA Driver Screen. When the value of this input is ON,
the TUC-VR will control according to the “On Schedule”
setpoints. When the value of this input is OFF, the TUC-
VR will control according to the “Off Schedule” setpoints.
----------- Setpoints ---------------
On Schedule: _______ Alternate On: _______
Off Schedule: _______ Off: _______
Selected by: _______
Specifi es a set of analog setpoints (4 total) for the ON and OFF
normal mode schedule, ON and OFF alternate mode schedule. The
alternate setpoints are used when the “Selected by:” binary value
is On.
The TUC-VR tries to maintain the temperature setpoint entered
here by modulating the primary air damper in the terminal unit
controller.
The heating setpoint is an “offset value” entered on the TUC-VR
Setup Screen. That is, if 76 °F is entered as the setpoint on this EA
Driver Screen, and 4 °F is entered as the “heating offset” on the
TUC-VR Screen, the heating setpoint will be 72 °F (76-4 = 72).
TUC-VR EA DRIVER SCREEN
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Satellite # 4 CONTROL OUTPUT 2 Mode: EA Driver
Description: TUC-VR 4.2 COM to H on decreasing control signal
Analog Control by: A2 COM to C on increasing control signal
Schedule Control by: W1
-------------------Setpoints------------------
On Schedule: 74.0 Deg F Alternate On: 0.0 Deg F
Off Schedule: 85.0 Deg F Off: 0.0 Deg F
Local Set: 74.0 Deg F Selected by: ....
Dead Band Width +/-: 0.0 Deg F Reverse Action Selc’d when GB5 is ON
Pulse Band Width +/-: 0.0 Deg F
“ “ Off Time: 0 Seconds
“ “ On Time: 0 Seconds
CONTROL ACTION DIAGRAM
<-------COM to H-------> <-----------ALL----------> <-------COM to C------>
ON PULSED OFF PULSED ON
Setpoint
+-------Dead Band--------+
+----------------------------Pulse Band--------------------------+
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