21
4.4
Front Panel Layout
Beacons:-
OP1 lit when output 1 is ON (normally heating)
OP2 lit when output 2 is ON (normally cooling )
OP4 lit when output 4 (AA relay) is ON
SPX Alternative setpoint in use (SP2)
ALM Alarm active (Red)
RUN Timer running
RUN (flashing) Timer in hold
MAN Manual
Operator Buttons:-
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!
!
!
From any display - press to return to the
HOME display.
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Press to select a new parameter. If held
down it will continuously scroll through parameters.
▼
▼
▼
▼
Press to change or decrease a value.
▲
▲
▲
▲
Press to change or increase a value.
Measured
Temperature
Target
Temperature
(Setpoint)
ALM MAN REM RUN HLD
OP1
OP2
OP4
SPX