Temptek VETERAN LS Series, Instruction Manual

Page: 27 / 80

Temperature Control Units : With ‘LS’ Series Instrument
Page: 27
TEMPTEK, INC.
525 East Stop 18 Road Greenwood, Indiana 46142
317-887-6352 Fax: 317-881-1277
Service Department Fax: 317-885-8683
www.Temptek.com
purge entrained air from the process system (unit, hoses/
piping circuitry and tooling) to the drain. Automatic venting
is indicated by a Air Prg display in the Temperature window.
If the automatic vent cycle does not result in the venting of
all entrained air to the drain (evidenced by a “rattling” sound
in the unit and fluctuating pressure gauges), the operator
must manually vent the system by depressing and holding
the Up Arrow and Down Arrow push buttons. Release
the buttons to conclude the manual vent sequence. If the
To Process temperature exceeds 100°F, the instrument
will bypass the automatic system vent cycle and step
immediately to process temperature control operation.
4. To display the setpoint temperature, briefly touch the
Up Arrow or Down Arrow push buttons. To change the
setpoint, hold the Up Arrow or Down Arrow push buttons
until the preferred setpoint temperature is indicated in
the Temperature window. Setpoint temperatures can be
adjusted anytime during the process temperature control
cycle.
C. INSTRUMENT CONTROLS
1. UNIT ON/OFF SWITCH: This rocker switch engages/
disengages electrical supply to the pump, heater and PVT
TM
cooling valve (figure 3.3A).
2. UP ARROW: Depress briefly to display the setpoint
temperature. Depress and hold to increase the setpoint
temperature. If pressed momentarily the setpoint value is
incremented by one degree. If held down for more than one
second, the setpoint will increase slowly at first and then
faster after about two seconds. The setpoint control range
is 32° to 250°F (0° - 121°C).
3. DOWN ARROW: Depress briefly to display the setpoint
temperature. Depress and hold to decrease the setpoint
temperature. If pressed momentarily the setpoint value is
incremented by one degree. If held down for more than one
second, the setpoint will increase slowly at first and then
faster after about two seconds. The setpoint control range
is 32° to 250°F (0° - 121°C).
D. STATUS INDICATING LIGHTS
1. POWER ON: Illuminates when power is applied to the unit.
2. PUMP: Illuminates when the unit’s On / Off rocker switch is
turned “on” and the motor pump is operating. Even with the
On / Off rocker switch “on”, the Pump light will not illuminate
if a safety fault condition exists.
3. HEAT: Illuminates when the heater is on to increase