Ranco ETC Commercial Temperature Controls
An electronic temperature control for commercial HVAC/R and hobbyists alike at a surprisingly affordable price.
An electronic temperature control for commercial HVAC/R and hobbyists alike at a surprisingly affordable price.
The Ranco ETC is a microprocessor-based family of temperature controls designed to provide on/off
control for commercial heating, cooling, air conditioning and refrigeration applications. With its
wide temperature range, one and two stage capability, selectable heating/cooling modes and multi-voltage
input, the ETC is one of the most versatile temperature controls available.
In addition to the full line of Ranco ETC Controllers
and Replacement Sensors, we also offer
Prewired Ranco ETC controllers for the convenience of hobbyists
for use with aquarium chillers, incubators, brewing, and dozens of other uses. And now we also carry the Johnson A419 controller for those who
prefer it over the ETC.
Tell Us how you are using you Ranco ETC!
Digital Display
Unlike many electronic controls, the ETC is simple to install and set up. One finger is all you need
to program it. The standard digital display and keypad allow the user to adjust the temperature settings
with 1F resolution. Setpoint temperature, differential and mode of operation (heating or cooling) can
all be selected using the keypad and display.
Choice of One or Two Stage Models
The ETC line includes both one and two stage models. On two stage controls, each stage can be set
independently thus eliminating the bothersome task of calculating interstage temperatures. The two
stage models can be set up with overlapping heating or cooling stages. Not sure which model you need?
Try our ETC Model Selector.
Remote Temperature Sensing and Temperature Averaging.
The ETC is capable of remote temperature sensing up to 400 feet away from the control when using
standard 22 gauge sensor wire. Plus 4 sensors can be connected to the Ranco ETC controller for monitoring
the average temperature of an area.
Built-In Safety
Every ETC model is equipped with diagnostic programs that check for hardware, software or system
problems and display different error codes to indicate where the trouble is.
The ETC also has a keypad lockout switch to prevent tampering with the control setting by unauthorized
personnel The switch, which is located inside the enclosure, can be used to disable the keypad function.
On power up, time delay protects equipment from simultaneous restarts and the EEPROM memory retains control
settings during power outage.
Maximum Application Flexibility
- Wide temperature range (-30F to 220F) and differential adjustment (1F to 30F)
- Accepts 120/208/240 volt input.
- Relay controlled so it can control 0 to 240 volts.
- Output can be isolated from the input voltage that powers the controller (each stage in 2 stage
units can be isolated.
- User selectable heating/cooling modes for use in hundreds of applications.
- Replaces most electromechanical and electronic temperature controls.
Options
- 24 volt input models
- NEMA 4X outdoor enclosures
- Analog output for remote temperature indication. 0 to 10 volt analog output that can be used for
remote temperature indication or as input to a central monitoring system. This signal is a linear
representation of the sensor temperature with 0 volt -30F and 10 volts =220F.
Not sure which model you need?
Try our ETC Model Selector.
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