Marsh Bellofram Diversified Electronics Division AC-800 Series HVAC Delay-on-Make Timers - Marsh Bellofram - #1 |
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800.727.5646 atcdiversified.com Diversified Electronics AC-800 Series
269
De l ay - O n -Ma k e T i m e r s
The ATC Diversified STAR PERFORMER provides short cycle protection
of compressors by delaying restart after a voltage or control circuit interruption.
When the interruption occurs, the control relay drops out. The
delay period begins when power is restored, providing random restart.
This universal voltage Delay-on-Make Short Cycle Timer provides the
ultimate protection against short cycling of a compressor. The Star
Performer offers true thermostat interruption protection even in 24 VAC
control circuits.
The general conception of thermostat operation is that when the mercury
tilts open, all control circuit current stops. The fact is that the cooling
anticipator located inside most 24 volt thermostats does allow a small
amount of current to flow (trickle current). This trickle current fools most
Delay-on-Make Short Cycle Timers, as they will not reset as a result of this
continuous current.
The STAR PERFORMER is engineered to provide true thermostat interruption
protection even when the trickle current is present. The adjustable delay is ideal
for providing random starting in multiple equipment installations.
NOTE: When used on 120/240 VAC control circuits, the external jumper
should be cut. This disables the 24 VAC bypass circuit.
HVAC Controls // AC-800 Series
\\\ORDERING INFORMATION
MODEL NUMBER DESCRIPTION
AC-800 Delay-On-Make Timer
\\\SPECIFICATIONS
CONTROL
VOLTAGE 24/120, 208/240 VAC
OUTPUT RATING 250 VA Inrush; 25 VA Run @ 24 VAC, or 1250
VA Inrush; 125 VA Run @ 120/240 VAC
TIME DELAY 0.2 to 8 min. Adjustable
WEIGHT 2.5 oz. to 3 oz.
\\\WIRING
“STAR PERFORMER”
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