622 OWNERS MANUAL for AIRPOT & THERMAL SERVER COFFEE BREWERS MODELS 8778 8780 8782 8783 8785 8786 8788 Includes: Installation Use & Care Servicing Instructions Model 8780 Brewer with optional 7750 Thermal Server PRINTED IN UNITED STATES OF AMERICA p/n 75854 Rev.
WARRANTY STATEMENT All electrical equipment manufactured by BLOOMFIELD INDUSTRIES is warranted against defects in materials and workmanship for a period of one year from the date of original installation or eighteen (18) months from the date of shipment from our factory, whichever comes first, and is for the benefit of the original purchaser, except that: a. airpots carry a 30 day parts warranty only. b. dispensers; i.e., tea and coffee carry a 90 days parts warranty only, excludes decanters.
TABLE OF CONTENTS 622 75854 Owners Manual Gourmet 1000 Airpot/Thermal WARRANTY STATEMENT SPECIFICATIONS FEATURES & OPERATING CONTROLS PRECAUTIONS & GENERAL INFORMATION AGENCY LISTING INFORMATION INSTALLATION INSTRUCTIONS OPERATION BREWING COFFEE CLEANING INSTRUCTIONS TROUBLESHOOTING SUGGESTIONS SERVICING INSTRUCTIONS Deliming Instructions EXPLODED VIEWS & PARTS LISTS WIRING DIAGRAMS Proper installation, professional operation and consistent maintenance of this appliance will ensure that it gives you the
FEATURES AND OPERATING CONTROLS 622 75854 Owners Manual Gourmet 1000 Airpot/Thermal Fig.
PRECAUTIONS AND GENERAL INFORMATION WARNING: Electric Shock Hazard All servicing requiring access to non-insulated components must be performed by qualified service personnel. Do not open any access panels which require the use of tools. Failure to heed this warning can result in electrical shock. WARNING: Injury Hazard All installation procedures must be performed by qualified personnel with full knowledge of all applicable electrical and plumbing codes.
INSTALLATION INSTRUCTIONS READ THIS CAREFULLY BEFORE STARTING THE INSTALLATION IMPORTANT: To enable the installer to make a quality installation and to minimize installation time, the following suggestions and tests should be done before the actual unit installation is started: CAUTION: Equipment Electrical Damage DO NOT plug in or energize this appliance until all Installation Instructions are read and followed. Damage to the Brewer will occur if these instructions are not followed.
INSTALLATION INSTRUCTIONS (continued) NOTE: This equipment must be installed to comply with all applicable federal, state and local plumbing codes and ordinances. WARNING ELECTRIC SHOCK HAZARD: Fig. 2 Water Supply Installation In some areas, local codes require a backflow preventer (check valve) to be installed on the inlet water line.
OPERATION Fig. 4 Brewer Operation Diagram A. START-UP For initial start-up, or if the brewer has not been used for an extended period of time: Be sure spray disk and brew gasket are properly installed in the brew head. For automatic brewers, be sure the water supply is properly connected and the water supply valve is turned ON. BEFORE plugging the brewer into a receptacle, or otherwise connecting brewer to electrical power THE WATER TANK MUST BE FILLED. Place an empty container under the brew head.
OPERATION (continued) WATER HEATER Water temperature is sensed by a thermobulb inserted into the water tank. This temperature signal is fed to the thermostat, which controls line power to the heating element. The setpoint temperature is adjustable at the thermostat. The element is protected from overtemperature by a hi-limit thermostat. Fig.
BREWING COFFEE CAUTION: Burn Hazard Exposed surfaces of the brewer, brew chamber and airpot or server may be HOT to the touch, and can cause serious burns. CAUTION: Burn Hazard To avoid splashing or overflowing hot liquids, ALWAYS place an empty airpot or server under the brew chamber before starting the brew cycle. Failure to comply can cause serious burns. CAUTION: Burn Hazard After a brew cycle, brew chamber contents are HOT. Remove the brew chamber and dispose of used grounds with care.
CLEANING INSTRUCTIONS CAUTION: Burn Hazard PROCEDURE: Clean Coffee Brewer PRECAUTIONS: Disconnect brewer from electric power. Allow brewer to cool. FREQUENCY: Daily TOOLS: Mild Detergent, Clean Soft Cloth or Sponge Bristle Brush, Bottle Brush Brewing and serving temperatures of coffee are extremely hot. Hot coffee will cause serious skin burns. CAUTION: Electric Shock Hazard Do not submerge or immerse brewer in water. 1. Disconnect brewer from electric power. Allow brewer to cool before cleaning. 2.
TROUBLESHOOTING SUGGESTIONS SYMPTOM POSSIBLE CAUSE SUGGESTED REMEDY Water won’t heat Brewer unplugged or circuit breaker tripped Check power supply cord Check / reset circuit breaker Thermostat set too low Set for desired temperature Hi-Limit thermostat tripped Allow to cool Reset hi-limit (8786, 8788) Damaged internal component or Examine wiring & connectors, wiring thermostat and heating element Repair/replace as needed Be sure to add sufficient water Not enough water poured in Increase water
SERVICING INSTRUCTIONS ACCESS PANELS CAUTION Electric Shock Hazard TOP PANEL: Remove top panel to access hot water tank, thermostat, heating elements, brew circuit tubing, faucet valve and piping. Top panel is held by two screws at the rear and a retaining lip at the front. FRONT PANEL: Remove front panel to access timer, terminal block and solenoid. Front panel is held by two screws at the bottom and a retaining lip at the top.
SERVICING INSTRUCTIONS (continued) CAUTION Electric Shock Hazard These procedures involve exposed electrical circuits. These procedures are to be performed by qualified technical personnel only. TEMPERATURE ADJUSTMENT Unplug power cord or turn circuit breaker OFF. Remove top panel. Pull vent tube out of tank lid and insert a thermometer of known accuracy in vent hole. Reconnect brewer to electrical power. Fig.
SERVICING INSTRUCTIONS (continued) TIMER ADJUSTMENT (AUTOMATIC BREWERS ONLY) The amount of water dispensed automatically during a brew cycle is controlled by the timer. Place empty airpot or thermal server under brew chamber. Press BREW button. Brewer should dispense one container of water. To adjust amount: Remove brew chamber and button plug. Adjust knob on timer; clockwise increases time. Run several cycles to check amount of water delivered. Replace button plug.
SERVICING INSTRUCTIONS (continued) REPLACE SOLENOID Symptom: Automatic brewer will not flow water; or, automatic brewer drips continuously from brew head. Unplug power cord or turn circuit breaker OFF. Turn OFF and disconnect water supply from brewer inlet fitting. Unscrew water inlet fitting from solenoid. Remove two screws holding access door in place. Remove two screws holding solenoid to door. Disconnect wiring from solenoid.
SERVICING INSTRUCTIONS (continued) REPLACE TIMER ASSEMBLY Unplug power cord or turn circuit breaker OFF. Remove front panel. Remove knob and three screws holding timer to bracket. Disconnect wiring to timer. Reassemble in reverse order. Adjust timer as described on page 13 REPLACE HOT WATER FAUCET COIL Symptom: Brewer drips continuously from brew head, except when faucet valve is turned OFF. IMPORTANT: When replacing water faucet coil, also replace seal gaskets. Remove tank lid assembly per above.
SERVICING INSTRUCTIONS (continued) CAUTION CHEMICAL BURN HAZARD Deliming chemicals are caustic. Wear appropriate protective gloves and goggles during this procedure. Never siphon deliming chemicals or solutions by mouth. This operation should only be performed by qualified and experienced service personnel. IMPORTANT: DO NOT spill, splash or pour water or deliming solution into or over any internal component other than the inside of the water tank.
SERVICING INSTRUCTIONS (continued) 7. Set the tank back into the brewer. Reassemble the tank lid to the water tank. Make sure the gasket is properly in place, then reinstall the hold-down strap. 8. Reinstall wiring to heating element and thermostat. Reinstall the hi-limit thermostat (if removed). For automatic brewers, reassemble piping for the faucet. Verify that all internal components are dry, then reinstall the top panel. 10.
EXPLODED VIEW & PARTS LIST HOT WATER TANK ASSEMBLY 63 64 65 66 67 68 PART NO.
EXPLODED VIEW & PARTS LIST (continued) ELECTRICAL COMPONENTS ITEM 31 32 35 36 36t 37 45 622 75854 Owners Manual Gourmet 1000 Airpot/Thermal 50 51 63a 63b 67 PART NO.
EXPLODED VIEW & PARTS LIST (continued) INTERNAL PLUMBING COMPONENTS PART NO.
EXPLODED VIEW & PARTS LIST (continued) CABINET COMPONENTS 622 75854 Owners Manual Gourmet 1000 Airpot/Thermal ITEM 21 22 33 34 34a 70 71 72 73 74 75 77 101 102 103 104 105 106 108 109 110 200 210 PART NO. 63201 87192 8543-42 82727 8543-45 8706-75 8033-55 8033-56 81732 8543-69 8810-12 8572-34 8572-34 85089 86666 8542-6 8760-3 8541-21 8543-29 8942-6B 8942-6 8707-6 POF DESCRIPTION Spacer, .171 ID x .
WIRING DIAGRAM 622 75854 Owners Manual Gourmet 1000 Airpot/Thermal 22
622 75854 Owners Manual Gourmet 1000 Airpot/Thermal WIRING DIAGRAM (continued) 23
Bloomfield Industries proudly supports CFESA Commercial Food Equipment Service Association Bloomfield Industries, Inc. Division of Carrier Commercial Refrigeration In US and Canada Telephone: 775-689-5700 Fax: 888-492-2783 Fax: 800-356-5142 (for orders only) website: www.wellsbloomfield.