Control Selecting The Temperature Control Point; Control Point - Conair Thermolator TW-1 User Manual

WARNING: Electric shock hazard
This equipment is powered by high voltage. Always
disconnect and lock out the main power source
before opening the unit or the electrical enclosure to
modify factory settings. Failure to disconnect and
lock out the main power source can result in severe
personal injury.
TW-1 controls the process temperature based upon the aver-
age of the temperatures recorded at the supply (to process)
and return (from process) thermocouples.
TW-2 allows you to select how the unit will measure and con-
trol the process temperature. The control point can be selected
as the supply, the return or the average of the the two tempera-
tures.
To select the control point source on TW-2 models:
1
Disconnect and lockout power to the unit.
2
Open the electrical enclosure.
3
Set dip switches 3 and
6 to the OFF position.
4
Set dip switch 5 to the
ON position.
5
Close the electrical enclosure and restore
power to the unit.
6
Press any button when the control displays
"Cnt Pt". The con-
troller displays
"Sel CnP" and
flashes the LED for
the current control
point.
7
Select a new control point using the Display
button. Stop pressing the select button until the
indicator light next to the control point you want
illuminates.
UGH025-0504
8 7 6 5 4 3 2 1
Thermolator TW Series
TW-2 C
ONTROL
S
ELECTING THE
T
EMPERATURE
C P
ONTROL
NOTE: All dip switch illustra-
tions in this manual show
switches 7 and 8 set to ON.
If you have an Isolated
Circuit model, these switch-
es should be set to OFF.
Continued
I
NSTALLATION
OINT
3-15