Grasslin Digi 322 Operating Instructions Manual

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Digi 322
365-Day One, Two and Four Circuit
Electronic Time Switch by Grasslin

Operating Instructions

TECHNICAL DATA

Input Voltage:
Relay Switch Rating:
Output Relay:
Power Consumption
Battery Backup:
Temperature Range:
Display:
Dimensions:
Weight:
Mounting:
Shortest Switching Time: One second
Block Programming:
Separate models available for
24V, 120V or 240VAC, 50-60 Hz input
16A @ 24/250 VAC
SPDT dry contacts for each channel
5 VA
150 hours minimum,
rechargeable battery is built in
14°F – 131°F (–10°C to 55°C)
AM/PM LCD 7/8" x 1-5/8"
H 3-1/4" x W 4-1/8" x D 2-7/8"
18 oz.
Surface & DIN rail (NEMA 1 indoor &
NEMA 3R outdoor enclosures available)
Weekdays
The Digi 322 controls are one, two and four
channel electronic time switches with 365-
day, 7-day and 24-hour programming. The
channels are freely programmable with a total
of 322 schedules. The load status, time of day,
and date are displayed on a large LCD read-
out.

Functional Description

The Digi 322 time control can be programmed as
24-hour, 7-day, or a 365-day schedule of individ-
ual holidays or holiday/vacation periods. This
control incorporates a calendar through the year
2090 and also includes automatic leap year
adjustment. The annual daylight savings/stan-
dard time changes can be programmed to occur
automatically each year through 2090.
Holidays that occur on the same date each year
(July 4) need only be programmed once—they
will be stored and will be executed each year
until 2090. Holidays that occur on a different date
each year (Labor Day) should be entered with
the 1X key (one-time). They will be automatically
neutralized after their occurrence, therefore, they
need not be deleted when programming the con-
trol next year. These features minimize the annual
programming considerably.
Please read these operating instructions carefully
so that you will be able to take full advantage of
the functions offered by the Digi 322 time control.
TO THE INSTALLER:
1. Read operating instructions carefully.
2. Check the input voltage ratings marked on the
unit to make sure this product is suitable for
your power supply and application.
3. Disconnect power supply prior to installation to
prevent electrical shock.
4. Damage to the relay-contacts caused by short
circuiting will void warranty.
5. Wire in accordance with National and Local
electrical code requirements.