Service manual

Lipton Brewed Iced Tea Training, Installation, & Service Manual
May 7, 2002 - 15 630460171
Control Board Inputs:
• Tea Extract Sold Out Sensor
• Based on electrical continuity to detect the presence of tea extract.
• An electrode assembly is inserted into the sold out chamber located
between the pump and the tea bag.
• Sweetener Sold Out Sensor
• This is a pressure based sensor. A sold out condition exists when
there is a loss of BIB pump pressure.
• Water Temperature Sensor
• A temperature sensor is affixed to the water tank to sense hot water
temperature. A HIGH temperature errors will occur when water
temperature is above 215° F. A low temperature error will occur
when the sensed temperature is under 40°F.
• Dispense Switch
• A microswitch is closed when the dispense lever is pulled forward
• This action initiates the dispense function through the control
board.
• Main Power Switch
• A manual power switch at rear of unit activates power to the dis-
penser.
Control Board Outputs:
• Tea Pump
• A peristalic pump is activated to pump tea extract.
• Heater Relay
• The heater relay for the hot water heater operates the heater to
maintain tank temperature between 178°F and 183°F.
• The relay opens to stop heating when there is a high water tempera-
ture error.
Set-Up Cold Water Operator may run a 10 second calibration pour.
Set-Up Hot Brew Operator may run a 10 second calibration pour.
Set-Up Timed Pour Operator may run a 10 second calibration pour.
Error Light Functions
No Light No errors present/dispense ready
Red/Blinking Light Error is present/may not dispense
Possible errors - out of tea extract, out of sweetener, rinse required, high water temperature
and low water temperature.