4
5.03
Determine the total amount of current
being used by other apparatus connected to
the circuit that will be used for this apparatus.
It is critical that the added current demand
(see nameplate) of this and other equipment
used on the same circuit does not exceed the
rating of the fuse or circuit breaker.
CAUTION
-BE SURE THAT THE POWER SUPPLY IS
OF THE SAME VOLTAGE AS THAT
SPECIFIED ON THE NAMEPLATE.
-BE SURE THAT THE WALL RECEP-
TACLE (MAINS DISCONNECT) IS
READILY IDENTIFIABLE AND EASILY
REACHED TO DISCONNECT THE UNIT
FROM THE POWER SOURCE.
6.
EXPLANATION OF CONTROLS
6.01 Power Switch -
The power switch
located on the lower left-hand side of the
control panel provides power for the entire
unit. The power switch controls all electric
power to the temperature control and the
pump. The pump starts when the power is
turned on and runs at a fixed speed.
6.02 Hi-Limit Thermostat -
The high limit
thermostat is located immediately to the
right of the power switch on the lower right
hand corner of the control panel. The high
limit is an adjustable control used to prevent
thermal runaway in the event that the primary
control fails.
6.03 Control Panel -
The Control Panel
provides a digital readout of temperature
readings, heater
"ON"
indicator, and pro-
vides keys for user to make their desired
selections.
1.
LED Display
- Four digits are used to
display the actual, set, and calibrated
values for temperature.
2.
Heater On Lamp
- The "HEATER ON"
lamp is illuminated when power is applied
to the heater.
3.
Calibrate Key
- This key puts the unit in
calibrate mode to match a traceable
thermometer to the actual temperature
display.
4.
Temperature Selection Keys
- These
keys are used to increase or decrease
the setpoint and/or calibrate temperature
selections.
5.
Enter Key
- The enter key is used to
store a new setpoint or calibration value.
Se le cte d Te mp e ra ture s Ar e Factor y Pr e se t
Off
On
Hig h Limit
ENTER
He ate r On
Calib rate
Pre ss C alib rate b utton.
Allow to stab ilize .
Should C alib r ation Be Re q uire d :
Pr e ss or until d e sir e d te m p e ra ture is d isp la ye d .
Disp lay will the n re turn to actual te m p e rature .
Pre ss ENTER - Ne w Se t Point is a cce p te d .
To Se le ct Te mp e r atur e :
Pr e ss ENTER - ca lib r a tion is com p le te .
Pr e ss or to m a tc h r e a d out to the rm om e te r.
Place ce rtifie d / tra ce ab le the r m ome te r into hold e r.
T
S
T
S
1
3
2
5
4
Figure 6.1 - Front Panel Controls
