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An
electronic temperature control for
commercial HVAC/R 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.
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. And two
state models can be set up with
overlapping heating or cooling stages.
REMOTE
TEMPERATURE SENSING
The
ETC is capable of remote temperature
sensing up to 400 feet away from the
control when using standard 22 gauge
sensor wire.
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.
OPTIONAL
ANALOG OUTPUT
ETC models are available with a 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.
MAXIMUM APPLICATION FLEXIBILITY
- Wide temperature range (-30F to
220F) and differential adjustment
(1F to 30F)
- Available in one and two stage
models.
- Accepts 120/208/240 volt input.
- User selectable heating/cooling
modes for use in hundreds of
applications.
- Replaces most electromechanical
and electronic temperature
controls.
SAFETY FEATURES
- Keypad lockout switch prevents
tampering.
- EEPROM memory retains control
settings during power outage.
- On power up, time delay protects
equipment from simultaneous
restarts.
OPTIONS
- 24 volt input models
- NEMA 4X outdoor enclosures
- Analog output for remote
temperature indication.
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