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APPLICATIONS
- Defrost control, based upon time initiation and time termination.
- Defrost control, based upon time initiation and temperature
termination.
- Defrost control, based upon time initiation and pressure termination.
- Complete refrigeration equipment control (ERC2).
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8000
Series Electromechanical Defrost Control
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- Adjustable defrost initiation frequency (from one to six times
per day).
- Adjustable defrost cycle duration (from four to 110 minutes
in two minute increments).
- Contact arrangements for electric heat, hot gas, or off-cycle
defrost available.
- 40 amp switch rating.
- Heavy duty steel case with electrical knockouts in the sides,
back, and bottom.
- Heavy duty synchronous motor.
- Operating voltages 120 or 208/240 VAC.
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Metal
case and integrated display.
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Metal
case and remote display.
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Mechanism
only with remote display.
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ERC-2
Electronic Refrigeration Control
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- Offers complete control functionality, replacing a defrost control,
temperature control, defrost termination switch, thermometer,
and fan delay switch.
- Usable with electric heat, hot gas, or off-cycle defrost.
- Electronic control offers more reliable and accurate operation
while allowing control parameters to be customized for each application.
- The control incorporates a digital display module that provides
readout of time, temperature, and diagnostics. The digital display
module also has a touch keypad for simple programming of desired
control parameters.
- The digital display module can be remotely mounted and connected
to the ERC-2 with a simple telephone jack cable or mounted directly
on the ERC-2 case.
- Incorporates a real time clock.
- Case incorporates the same size and mounting footprint as the
industry standard 8000 series Paragon defrost controls.
- Includes two temperature sensors (space and coil temperature)
- UL component recognition, CSA listed, NSF approved.
- 120 or 208/240VAC 50/ 60 Hz operation.
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High
output relays for equipment control
Compressor
- 1 HP @ 120 VAC; 1.5 HP @ 208VAC; 2 HP @ 240 VAC 96 LRA/16 FLA
@ 120 VAC; 72 LRA / 12 FLA @ 240 VAC.
Defrost Means - 16 amps resistive @ 120-208/240 VAC Pilot duty
470 VA @ 120-208/240 VAC.
Evaporator Fan - 1/2 HP @120 VAC; 3/4 HP @208VAC; 1 HP @240VAC.
Alarm - 5 amps resistive at 120-208/240 VAC.
- Wide ambient condition operating range -40F to 122F; 0-95% RH.
- Operating parameters can be preprogrammed by Ranco.
- The ERC-2 incorporates a capacitor that retains the time of
day for up to 100 hours after a power failure.
- All other program parameters and settings are maintained in
an EEPROM processor which means that these are permanently saved,
regardless of the duration of any power outage.
- If there is a sensor failure, the ERC-2 can detect this and
revert to a backup operating mode until the sensor can be replaced.
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ERC-248
Electronic Defrost Control
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- Compact design.
- Simple selectable settings:
- Defrost interval (from 2 to 48 hours).
- Defrost duration (from 1 to 63 minutes).
- Two defrost types:
- Timed interval.
- Compressor run time.
- Three types of defrost termination:
- Temperature (requires external thermostat).
- Pressure (requires external pressure switch).
- Time duration only.
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- Time backup feature terminates the defrost cycle based on time
should the external termination device fail to function.
- Manual Defrost can be accomplished by means of a push button
if desired.
- Microprocessor-based design assures high reliability and accuracy.
- Cost effective solution.
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