10
Description of Controls and Functions
By touching the screen the user can access the “Home” screen, shown below.
Home Screen
Item
Description
Units
Mixed Outlet Setpoint
Temperature setpoint
°F or °C
Mixed Outlet Temp
Temperature measured at the mixing valve outlet
°F or °C
Hot Supply Temp
Temperature measured at the hot inlet
°F or °C
Cold Supply Temp
Temperature measured at the cold inlet
°F or °C
Recirc Return Temp
Temperature measured at the recirculation pump inlet
°F or °C
Mixed Outlet Pressure
Pressure measured at the mixing valve outlet
psi or KPa
Hot Pressure
Pressure measured at the mixing valve hot inlet
psi or KPa
Cold Pressure
Pressure measured at the mixing valve hot inlet
psi or KPa
Recirc Pressure
Pressure measured at the recirculation pump inlet
psi or KPa
Load Flow*
Difference between the mixed and recirc flow rates (F1 and F2)
gpm or m
3
/h or lpm
Mixed Outlet Flow*
Flow rate measured at the mixed outlet (F1)
gpm or m
3
/h or lpm
Recirc Flow*
Flow rate measured on the recirculation return piping (F2)
gpm or m
3
/h or lpm
Valve Position
Control Voltage supplied to the mixing valve
V
Mix Percent
Mixed percent hot to total flow, i.e. (Tmixed-Tcold)/(Thot-Tcold)
%
*Available on models with optional flow monitoring package
Field 1 Label
Field 1 Select
Field 2 Select
Field 2 Label
Field 1 Value
Field 2 Value
Programming
Menu Access
Pump Status Field
As shown in the screen shot above, there are two fields viewable within the “Home” screen. For instance,
the. Label (item) and Value for Field 1 and Field 2 shown in the Home screen view above are:
Field 1 – “Mixed Outlet Set point” and value of “140°F.”
Field 2 – “Mixed Outlet Temp” and value of “140°F.”
The Label (item) displayed in the fields can be changed by touching the “Field Select” icon to the
right of each field value. The Labels (items) available for viewing on the Home screen by touching the “Field
Select” icon are shown in the table below:
Mixed Outlet Setpoint
140°F
140°F
Mixed Outlet Temp
PRGM
Recirc Pump OFF
Summary of Contents for Powers IntelliStation
Page 2: ......