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...1 DISPLAYS AND CONTROLS
1.3 Displays and LED Indicators
The displays, LED indicators and operation/programming controls are located on the faceplate
on the front of the instrument. The displays comprise 2 rows of 6 characters.
A
B
C
D
E
F
G
H
I
J
K
1.3.1 LED Indications, Relay and Alarm States
LED indications, relay and alarm states are shown in Table 1.2. For electrical connections –
see section 4.12.
LED
Display
Alarm/Relay State
A1
On
A1 Active and ackd.
A1 Active and unackd.
Flashing
Off
A1 Inactive
A2
On
A2 Active
Off
A2 Inactive
BP1
Off
Relay 1 De-energised
Relay 1 Energised
On
BP2
Off
Relay 2 De-energised
On
Relay 2 Energised
Relay 3 Energised
On
Off
Relay 3 De-energised
4
A
b
C or c
d
E
F
G
H or h
I
J
K
Table 1.1 Character Set
Pasteurized I/P pressure:
< Raw I/P pressure + divert trip level
Pasteurized I/P pressure:
≥ Raw I/P pressure + divert trip level
Displayed on power up.
Active until Pasteurized I/P pressure
≥ Start up trip level then remains inactive until
power is switched off and on.
Either A1 or A2 active
A1 and A2 inactive
A1 active
A1 inactive.
A1 active and unacknowledged.
A1 acknowledged.
Table 1.2 LED Indications and Alarm States
L
L
M
M
N
N or n
O
O or o
P
P
Q
Q
R
r
S
S
t
T
U
U
V
V
Y
Y
Condition
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