Operation / Technical Manual
NORM-O-TEMP
®
, Model 111W
Page 22 of 82
1-3.5.
External Features and Descriptions – Top View
The membrane control panel as shown in Figure 5 is composed of pressure sensitive
touch switches and LED displays.
The membrane control panel is divided into the following sections:
A.
The four digit LED display shows the actual water temperature and set point
temperature.
B.
When the HEAT LED is lighted, it indicates that the water is being heated.
C.
The HI TEMP LED will illuminate, the power fail LED will illuminate, and the
audible alarm will sound when the water temperature reaches 44°C ±0.6°C. The
HI TEMP LED will flash when water temperature reaches 1°C ±0.6°C above the
set point temperature.
D.
When the LO WATER LED is lit it indicates that the unit needs more distilled
water to operate. The LED will be accompanied by an audible alarm.
E.
The SILENCE ALARM button will silence the primary HI TEMP alarm and LO
WATER audible alarms for five minutes and if the problem is not solved, the
alarm will sound again until the button is pressed or the problem is solved.
F.
The TEMP SET button is used to display and change the desired set point
temperature. When this button is pressed, the display will flash the set point
temperature for five seconds.
G.
The INCREMENT and DECREMENT buttons are used to raise or lower the set
point temperature. The operator has less than ten (10) seconds to set the
temperature up or down after pressing the TEMP SET button.
H.
The fill reservoir lid slides to the left to open and to the right to close.
I.
Operating instructions label.