Bunn service manual Plumbing Requirements, Plumbing Hook-Up, BUNN Espress, ES2A/ES2SA

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PLUMBING

BUNN Espress™

PLUMBING

ES•2A™/ES•2SA™

PLUMBING REQUIREMENTS

This brewer must be connected to a cold water system with an operating pressure between 20 and 90 psi. A shut-off valve should be installed before the pump. Install a pressure regulator in the line when the pressure is greater than 90 psi. to reduce the pressure to 50 psi. The water inlet fitting is a 3/8 flare.

This equipment is to be installed to comply with the Basic Plumbing code of the Building Officials and Code Administrators International, Inc. (BOCA) and the Food Service Sanitation Manual of the Food and Drug Administration (FDA).

PLUMBING HOOK-UP

1.Flush the water line and securely attach it to the 3/8” flare fitting on the inlet side of the pump.

2.Connect one end of the braided hose (supplied) to the outlet side of the pump and the other end to the water inlet fitting located under the drain tray of the brewer. This tray is removable. Do not overtighten the fittings. Rubber gaskets are provided to be inserted into each end of the braided hose.

3.Turn on the water supply and check for leaks.

4.Plumbing diagram is shown below.

PUMP

InletOutlet

PLUMBING REQUIREMENTS Insert washer

3⁄8" copper

Braided hose

Water supply line (from strainer)

Inlet water fitting

(inside brewer)

Insert washer

P-138

EasyClear filter

brewer

supply

line

strainer

pump

P-139

Important: Both filter and strainer must be hooked up in system.

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Contents BUNNEspress E S 2A TM / ES 2SA TMESPRESSO/CAPPUCCINO COFFEE BREWERS DISCONTINUED VERSION The information in this manualPage BUNN Espress INDEXES2A/ES2SA InstallationWARRANTY USER NOTICES READ THE ENTIRE OPERATING MANUAL BEFORE BUYING OR USING THIS PRODUCTLiquid-Steam-Surfaces 00831.0000F 3/98 1988 BUNN-O-MATIC CORPORATIONFEATURES HOT WATER RINSE DISPENSING TUBE AND STEAM DISPENSING TUBEWATER FEED TAP LEVELGroup head Espresso extraction chamber WATER TREATMENTPLUMBING HOOK-UP PLUMBINGPLUMBING REQUIREMENTS ELECTRICAL SPECIFICATIONS ELECTRICALELECTRICAL HOOKUP L1 240V or L2 GndINITIAL SETUP START-UPPROGRAMMING PUSH-BUTTON SET AUTOMATICS ONLYPROGRAMMING DOSIFICATIONS PREINFUSION PROGRAMMINGOBSERVATIONS BREWINGCOFFEE EXTRACTION CLEANING CLEANINGTROUBLESHOOTING ProblemWARNINGS Probable causeDOSAGE PULSOMETER MALFUNCTION ALARM AUTOMATIC WATER LEVEL MALFUNCTION ALARMBOARD REPLACEMENT PUSH-BUTTON BOARD CONNECTIONSBUNN Espress ES2A/ES2SA REPLACEMENT PARTSBUNN EspressREPLACEMENT PARTS DescriptionP-235 REPLACEMENT PARTS ES2A/ES2SABUNN Espress REPLACEMENT PARTS Solenoid rebuild kit 22811.0000Group assy.items 22711.0000REPLACEMENT PARTS P-240 Complete valve assy22685.0000 REPLACEMENT PARTS 22637.0000 Complete assyComplete valve assy.- items 22658.0000REPLACEMENT PARTS P-238 Water inlet hose supply to pump in P-237 REPLACEMENT PARTS 1 .................. Red push button on/off switch Replacement Parts Not Illustrated DescriptionP-243 SCHEMATICES2SA ES2A P-244