Watlow Series TM - Manual (Page 15)

Wa t l o w S e r i e s C • 1 3 • C h a p t e r 4 U s e r I n t e r f a c e
To adjust the Calibration Offset on models with tactile
keys, first hold down both the Increment and Decre-
ment keys for five seconds. The display will first show
[`CAL] for five seconds, then it will display the Cali-
bration Offset value. Adjust the value with the Incre-
ment and Decrement keys (range: -30 to 30°). The new
value will take effect three seconds after the last key
stroke. The display will blink, then return to the pri-
mary display after five seconds. To change the temperature units on models with
tactile keys, first hold down both the Increment and
Decrement keys for ten seconds. The display will show
[F``C] for two seconds. Adjust the units with the In-
crement and Decrement keys. The new value will take
effect three seconds after the last key stroke. The dis-
play will blink, then return to the primary display after
five seconds. The set point value, process value and
offset will automatically adjust to the new temperature
scale.
F
C
LOAD
CV
PUSH
TO SET
LED Display: Indicates
the process value until
the Push to Set Key is
operated.
PUSH TO SET Key:
The process value (Actual
Temperature) is displayed
when this key is not
operated. When this key is
depressed, the set point is
displayed and can be
adjusted.
LOAD Indicator Light: Lit
when output is energized.
F or C Indicator Light: Lit
to indicate if unit is configured
for degrees Fahrenheit or
degrees Celsius.
Set Point Knob: To increase
set point, turn knob clockwise.
To decrease set point, turn
knob counterclockwise. The
new set point is entered 3
seconds after the knob stops
moving.
Variable Set Point, Push to Set
CV _ (1, 2, 5 or 6) _ _ _ _ _ _ _ _ _ _ D
Finger Tip Indent: Insert
finger tip into indent for
quick and easy set point
changes.
Figure 13a — Variable
Set Point, Push to Set In-
terface
F
C
LOAD
CV
PUSH TO
SET
LED Display: Indicates
the process value until
the Push to Set Key is
operated.
PUSH TO SET Key:
The process value (Actual
Temperature) is displayed
when this key is not
operated. When this key is
depressed, the set point is
displayed and can be
adjusted.
LOAD Indicator Light: Lit
when output is energized.
F or C Indicator Light: Lit
to indicate if unit is configured
for degrees Fahrenheit or
degrees Celsius.
Variable Set Point, Push to Set
CV _ (A, B, C or D) _ _ _ _ _ _ _ _ _ _ D
Increment and Decrement Keys:
Press the Up-Arrow key to
increase the set point.
Press the Down-Arrow key to
decrease the set point.
The new set point is entered 3
seconds after the last key stroke.
Figure 13b — Variable
Set Point, Push to Set In-
terface with Tactile Keys