Stuart Turner Stuart SPU 130 Mini Installation, Operation & Maintenance Instructions Manual page 19

6.15 Controller overview
The Stuart Turner SPU controller is designed to be intuitive to use and allows
functions and alarms to be set by the installer/user.
The functions are set using the 3 buttons (A, B, & C) on the front of the
controller and with the help of on screen prompts via the back lit LCD display.
On the front of the SPU a green 'power on' light will be displayed whilst the
unit is powered. If an alarm or error is raised the red 'Error' light will be
displayed.
A number pressure set points can be set using the menus, these set points are
detailed below, 1 to 4 and in the description of the function.
HIGH ALARM SET VALUE (1)
SYSTEM PRESSURE SET VALUE (2)
DIFFERENTIAL SET VALUE (3)
LOW ALARM SET VALUE (4)
Fig. 18
Fig. 19
Button A
Button B
Button C
NORMAL OPERATION
A
Enters menus or selects values.
Scrolls down through menus or reduces set values.
Scrolls up through menus or increases set values.
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PUMP 'OFF'
B C
PUMP 'ON'
TIME
Cont ...