Bunn ES2C service manual Plumbing Diagram, BUNN Espress

16

SET TO

~160 PSI

CHECK PRESSURE

VALVE RELIEF

VALVE

REFILL

SOLENOID

TO DRAIN

TO REFILL

CONTROL

PUMP W/ADJUSTABLE

PRESSURE RELIEF VALVE

SET TO ~150 PSI

B•

		TO HEATER
DUAL PRESSURE		CONTROL
GAUGE	S
P	T

UE

MA

P M

COLD WATER FILL LINE

PRESSURE		PRESSURE
RELIEF VALVE	FLOWMETER	SWITCH
(~25 PSI POP-OFF)

MANUAL FILL

VALVE

(Normally Blocked)

STEAM

~18 PSI TEMERATURE

~250 F¡

LEGEND

Cold Water

Brew Water

Steam

Hot Water (surrounding tank heater)

Components and Item Numbers

HOT WATER

GROUP HEAD GROUP HEAD

FILTER
HOLDER
GROUP
SOLENOID
(3-WAY)
HOT WATER
BREW CHAMBER	BREW CHAMBER

FILTER

HOLDER

GROUP

SOLENOID

(3-WAY)

BUNN Espress ®

PLUMBING DIAGRAM

WATER TREATMENT			HEAT
			EXCHANGER
110 WS
			TUBE
FROM WATER	STEAM	FAUCET	STEAM
	VALVE	VALVE	VALVE
SUPPLY VALVE
COLD
WATER	TO STEAM WAND	TO HOT WATER	TO STEAM WAND
		FAUCET

VENT TO DRAIN	VENT TO DRAIN
TANK HEATER

ES•2C™