Walchem EH Series, Instruction Manual

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22
C. Pumps using the ‘T’ Control Module
The EZB-Timer Series is able to operate in Daily, Weekly and 2-Week modes. An
external stop input and 12VDC output are also available.
Display/Keypad Overview
Alpha/numeric display. Indicates
WAIT mode, stroke frequency,
time or pump on-time.
MODE key. Scrolls user
through TIMER, WAIT
and MAN modes. Use
to exit from any
programming mode.
SEL key. Manually starts or
stops the pump from WAIT
mode. Used to select
program number or day of
week while programming.
NUM/DAY indicator.
Becomes backlit when
programming or
operating at programmed
number/day.
NUM indicator. Becomes
backlit when the pump is in
DAILY mode to indicate the
timer program number.
SET indicator. Becomes
backlit when pump is
being programmed.
2nd indicator. Becomes
backlit when pump is in
the 2
nd
week of the 2-
WEEK mode.
UP/HOUR key.
Increases numeric
values and sets the
hours. Used with SEL
key to set pump on-
time and duration.
DOWN/MIN key. Decreases
numeric values and sets the
minutes. Used with SEL key
to select the Timer Pump
Mode.
ON light. Indicates AC
power to the pump with
continuous green.
Flashes off with each
stroke.
P 3 6 0
EH EH EH EH----T Controller T Controller T Controller T Controller
5.THU 6.FRI 7.SAT 8.STOP 2nd
ON
SEL
SEL SEL
SEL
1.SUN 2.MON 3.TUE 4.WED SET
ON
Num
MODE
MODE MODE
MODE
HOUR
HOUR HOUR
HOUR MIN
MIN MIN
MIN
4
2 3
5 6 7 8
Power Ground
Stop Input
Sensor Power
DC 12V
20 mA max.
+
_
White
NEU
Black
HOT
Green