®
Chromalox
• 1382 Heil Quaker Boulevard • Lavergne, Tennessee 37086 • Telephone: 615-793-3900 • FAX: 615-793-3563
ISO 9001 Certified
Quality Construction and Reliability
Manufactured with SMT (Surface Mount Technology) and verified with long
burn-in times and temperature cycling, the 1604 is guaranteed for reliability
and long service life.
Heater Breakdown Current
Monitoring
Indicates heater failure(s).
Upper Display
(4 Green 7-Segment LEDs)
For process temperature. During
configuration, shows the
programmed value of selected
parameter.
Indicators - Red LEDs
SMRT SMART tuning
is active
REM Digital Commnications
is active
SP2 Setpoint #2 is active
and displayed in lower
display
Large Target Pushbuttons Simplify Operator Adjustments
MA
Toggles between Auto
and Manual control
modes.
Scrolls parameter
display forward and
stores previous
parameter value.
Decrease/Increase
Parameter Values
NEMA 4X Hosedown
Front Faceplate
Lower Display
(4 Orange 7-Segment
LEDs)
For setpoint value. During
configuration, shows the code
of the selected parameter.
Output 1, 2, 3
Indicate load output ON and
Heater Breakdown
MAN - Red LED
Indicates manual control
is active
Digital Communications
RS485 communications
available and can be operated
using
ChromaSoft
®
Remote
Operator Interface Software,
and can be networked with
other Chromalox controllers
via RS-485 digital communica-
tions (optional).
1604 Temperature Controller
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