Summary of the content on the page No. 1
Summary of the content on the page No. 2
INTRODUCTION This brewer will brew a three gallon batch of coffee into the reservoir, which has its own dispensing faucet.The brewer also has a hot water faucet for allied beverage use. It is only for indoor use on a sturdy counter. WARRANTY Bunn-O-Matic Corp. (“Bunn”) warrants the equipment manufactured by it to be commercially free from defects in material and workmanship existing at the time of manufacture and appearing within one year from the date of installation. In addition: 1.) Bunn war
Summary of the content on the page No. 3
Summary of the content on the page No. 4
ELECTRICAL REQUIREMENTS CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up. L2 RED L2 RED L2 RED 120V A.C. WHITE 208 OR 208 OR 230V A.C. 240V A.C. 240V A.C. NEUTRAL 120V A.C. L1 BLACK L1 BLACK L1 BLACK P1841 P1842 P1842 SRU Model requires 3- SRUA-CE Models require 2- SRUA Models require 2- wire, grounded service rated wire, grounded service rated 230 wire, grounded service rated 120/208 or 120/240 volts ac, volts ac, 30 amp, single phase, 208 or 24
Summary of the content on the page No. 5
ELECTRICAL INSTALLATION INSTRUCTIONS (CONT.) This equipment must 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). INITIAL SETUP CAUTION - The brewer must be disconnected from the power source throughout the initial setup, except when specified in the instructions. IMPORTANT: Brewer must be level and installed on a sturdy structure. Elec
Summary of the content on the page No. 6
ADJUSTING BREW VOLUMES CAUTION - Disconnect the power source from the brewer prior to the removal of any panel for the replacement or adjustment of any component. NOTE: Prior to setting or modifying batch sizes, check that the brewer is connected to water supply, the tank is properly filled, and a funnel and server are in place. 1. Modifying batch sizes. To modify a batch volume, first check that the SET/LOCK switch is in the “SET” position on the circuit board. To increase a batch size. Press
Summary of the content on the page No. 7
CLEANING NOTE: Tank and tank components should be delimed regularly based on local water conditions. Excessive mineral build up on stainless steel surfaces can initiate corrosion reactions resulting in serious leaks, 1. Remove funnel, funnel lid and support. Under hot water, rinse away all coffee oils. Wipe with a clean damp cloth. 2. Drain coffee reservoir by opening coffee faucet. When empty, close faucet. 3. Cycle two or three inches of water into the coffee reservoir and scrub entire reser
Summary of the content on the page No. 8
TROUBLESHOOTING A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic Technical Service Department. • Inspection, testing, and repair of electrical equipment should be performed only by qualified service personnel. • All electronic components have 120 volt ac and low voltage dc potential on their terminals. Shorting of terminals or the appl
Summary of the content on the page No. 9
TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Be sure water shut-off valve is open Brew cycle will not start (cont) 3. Water level below pump housing. and that the in-line filters or strain- (Water level in the hot water gauge glass should be approximately half ers are not blocking water flow. (Do not confuse water shut-off valve with full). the manual fill and drain valve un- derneath the brewer). 4. ON/OFF Switch Refer to Service - ON/OFF Switch for testing. See page 22 Refer to Servic
Summary of the content on the page No. 10
TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY 1. Brewer not level Water running out of the overflow Brewer must be level and installed on a sturdy structure. 2. Solenoid Valve Refer to Service - Solenoid Valve for testing procedures. See page 25 3. Liquid Level Board Refer to Service -Liquid Level Board for testing procedures. See page 20 4. Probe Refer to Service - Probe for test- ing procedures. See page 20 Water is not hot 1. Limit Thermostat Refer to Service - Limit Thermo- CAUTION
Summary of the content on the page No. 11
TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Circuit breaker keeps tripping 1. Circuit Breaker Refer to Service - Circuit Breaker for testing procedures. See page 14 2. ON/OFF Switch Refer to Service - ON/OFF Switch for testing procedures. See page 22 3. Brew Circuit Refer to Service - Pump Assembly for testing procedures. See page 23 4. Refill Circuit Refer to Service - Liquid Level Board for testing procedures. See page 20 Water keeps running from swing 1. Timer Refer to Service - Tim
Summary of the content on the page No. 12
TROUBLESHOOTING (cont.) PROBABLE CAUSE REMEDY PROBLEM Funnel overflows (cont.) 3. Pump - Flow Rate Check pump flow rate with a watch. Pump flow rate should be approxi- mately 24 ounces in 15 seconds. Be sure pump assembly is free of any obstructions. 4. Soft Water When using a water softener, a coarse grind of coffee may be pre- ferred. If required, a bypass sys- tem is available as an optional feature. Be sure coffee reservoir is empty Coffee reservoir overflows 1. Coffee reservoir not complete
Summary of the content on the page No. 13
Summary of the content on the page No. 14
SERVICE (cont.) If continuity is not present as described, press the CIRCUIT BREAKER (120/208V and 120/240V Three reset button and repeat step 5, if continuity is not Wire Models) present as described, replace the circuit breaker. Removal and Replacement: 1. Remove wires from the circuit breaker. 2. Remove the nut securing the circuit breaker to the component bracket. 3. Remove circuit breaker and discard. 4. Install new circuit breaker on component bracket and secure with nut. 5. Refer to Fig.
Summary of the content on the page No. 15
Summary of the content on the page No. 16
Summary of the content on the page No. 17
Summary of the content on the page No. 18
SERVICE (cont.) Fuse Holder: FUSE AND FUSE HOLDER (208V, 240V and 230V 1. Disconnect the wires from the rear of the fuse Two Wire Models) holder. 2. Remove the nut securing the fuse holder to the component bracket. 3. Push fuse holder through the hole in the compo- nent bracket. 4. Install new fuse holder and fuse through the hole in the component bracket and secure with nut. 5. Refer to Fig. 9 and reconnect the wires. BLK from ON/OFF Switch (208V and 240V Two Wire Models) RED from ON/OFF Swit
Summary of the content on the page No. 19
Summary of the content on the page No. 20
