Bloomfield 2288EX, 2280, 2282, 2286EX owner manual Servicing Instructions - Electrical, Operation

SERVICING INSTRUCTIONS — ELECTRICAL

		WATER
CONTROLLER		LEVEL
		PROBE
		FILL
FILL		SOLENOID
BREW	DRIP OUT
TIME	TIME

CONTROLLER

BREW

SOLENOID

BREW	BREW	BREW
		CANCEL
LINE		BREW
		TEMP
VOLTAGE			WATER
HI-LIMIT T			TEMP
STAT		CONTROLLER	PROBE
TRIAC
HEATING
ELEMENT

WATER TEMPERATURE

OPERATION

SEE PAGE 11 FOR COMPONENT NAMES / NUMBERS

1.Pressing the POWER key energizes the unit. The POWER LED will glow whenever the unit is ON.

2.Automatic fill is accomplished via a FILL SOLENOID

(32)and a WATER LEVEL PROBE (7). The probe

senses ground through the water in the tank. When the water level falls below the probe and ground is no longer sensed, the CONTROLLER (20) energizes the fill solenoid until the water level again reaches the water level probe.

3.Pressing the BREW key begins the brew cycle. Pressing the CANCEL key at any time during the

brew cycle terminates the brew. The BREW SOLENOID

(18)is energized by the CONTROLLER (20) for a time determined by the setting of the BREW TIME CONTROL. A second brew can be started only after the brew time plus the time set on the DRIP OUT TIMER has elapsed.

4.Brew water temperature is controlled via a water temperature sensor and a HEATING ELEMENT (15) controlled by a TRIAC (17) electronic switch. The element is energized according to the sensed water temperature and the desired temperature setting of the BREW TEMP control. An over-temperature condition will trip the HI-LIMIT THERMOSTAT (4), de-energizing the heating element.

5.The unit will revert to the energy-saver mode some time after the last brew, based on setting of the AFTER HOURS TIMER.

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