| Operating Voltage |
24V AC, ±10%, 50/60Hz. |
| Valve Output Rating |
Four outputs capable of driving 10W DC solenoid valves with bridge rectified
24V AC power. Solid state 0.5A outputs with flyback diodes. |
| Pump Output Rating |
Two outputs capable of driving 10W DC pump motors on a pulse width
modulated basis. Solid state 0.5A outputs with flyback diodes. Flavor pump
output percentage slaved to Tea pump. Tea pump output determined by
100k external strength adjustment potentiometer. |
| Heater Output |
SPNO relay contacts rated at 3A resistive at 125VAC/30VDC. Mechanical
life is 1x107 operations, electrical life is 5x105 operations at rated load. |
| Temperature Sensor |
Thermistor rated for 5000 Ohm @ 25°C, provided by customer. |
| Temperature Control |
Two point comparator circuit providing on/off control with hysterisis. Low
sensing temperature 180°F, high temperature 185°F. Additional 160°F
temperature sense point for rinse control. |
| Timing Accuracy |
Maximum measurement error of ±1°F plus external sensor error. |
| Real Time Clock |
Integrated circuit with lithium battery backup maintains clock time in excess of
1 year with power removed. Accuracy ±2 minutes per month. |
| Clock Display |
Four digit display with colon. Colon blinks to indicate clock operation, lower
dot indicates am when illuminated. Upper dot indicates heater output is
energized when illuminated. |
| Switch Inputs |
Dry contact DC input circuits. External switch must switch low level current
of 1mA at 5VDC. |
| Status Indicators |
Bi-color (red/amber) LED's. |
| Transient Protection |
Power input protected by silicon transient suppressor which responds to
transients within 1 x 10-12 seconds to a peak pulse power dissipation of 1500
watts. |
| Construction |
Open PC board construction with Molex connectors, mating parts shown on
mechanical diagram. Dimensions in accordance with Tandem Technologies
drawing LBJ0602036 Rev D. |
| Operating Temperature |
0°C to 55°C. |