Perma Pure iCOOL - Manual (Page 10)

Section F: LED Indicators 10
F: LED I
NDICATORS
The ICOOL has one green and one red LED operating indicators. These indicators
are arranged horizontally on the front of the cooler. The green LED indicates the
READY operating temperature status, normally set for 3.5
° C (38 ° F). After the set-
point temperature is reached, the sample pump may be turned on by the internal
relay. When the impinger temperature is below 10
° C (50 ° F) the ready LED will be
on. At one degree above the set temperature, the ready LED will be off. The red
LED is the thermistor failure indicator. When this occurs, the red LED stays
illuminated.
The ICOOL cooler has an analog voltage output, the connector is found on the
bottom left side of the cooler marked TEMP OUT. This output is factory standard at
0-5 VDC = 0-20
° C (0.25 V / °C).
The ICOOL cooler has a relay output, the connector is found on the bottom of the
cooler marked RELAY OUT. This output is Form C, rated for 10 AMP @ 250 VAC.