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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. C ECN-12888 M622 050614 cps
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622 75854 Owners Manual Gourmet 1000 Airpot/Thermal WARRANTY STATEMENT All electrical equipment manufactured by BLOOMFIELD It also does not apply if the serial nameplate has been INDUSTRIES is warranted against defects in materials and removed or unauthorized service personnel perform service. workmanship for a period of one year from the date of original The prices charged by Bloomfield Industries for its products installation or eighteen (18) months from the date of shipment ar
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TABLE OF CONTENTS Thank You for purchasing this WARRANTY STATEMENT xi Bloomfield Industries appliance. SPECIFICATIONS 1 Proper installation, professional FEATURES & OPERATING CONTROLS 2 operation and consistent PRECAUTIONS & GENERAL INFORMATION 3 maintenance of this appliance will AGENCY LISTING INFORMATION
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622 75854 Owners Manual Gourmet 1000 Airpot/Thermal FEATURES AND OPERATING CONTROLS Fig. 1 Features & Operating Controls 2
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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. Failure could result in pr
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622 75854 Owners Manual Gourmet 1000 Airpot/Thermal INSTALLATION INSTRUCTIONS READ THIS CAREFULLY BEFORE STARTING THE INSTALLATION IMPORTANT: REFER TO EXPLODED VIEWS PAGES 18 thru 21 FOR To enable the installer to make COMPONENT NAMES/NUMBERS a quality installation and to Unpack the unit. Inspect all components for completeness and minimize installation time, the condition. Ensure that all packing materials have been removed following suggestions and tests from the unit. shou
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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: Brewer must be properly grounded to prevent possible Fig. 2 Water Supply Installation shock hazard. DO NOT assume a plumbing line will In some areas, local codes require a backflow preventer (check provide such a ground. val
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622 75854 Owners Manual Gourmet 1000 Airpot/Thermal OPERATION Fig. 4 Brewer Operation Diagram IMPORTANT: A. START-UP Tank must be full of water For initial start-up, or if the brewer has not been used for an before connecting brewer extended period of time: to electrical power. Heating elements will be Be sure spray disk and brew gasket are properly installed in the damaged if allowed to brew head. operate without being fully
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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 over- temperature by a hi-limit thermostat. Fig. 5 Heat Control Diagram WATER FLOW MANUAL POUR-OVER POUR-OVER FEATURE BASIN PAN Pouring any amount of cold wa
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622 75854 Owners Manual Gourmet 1000 Airpot/Thermal BREWING COFFEE CAUTION: A. PREPARATION Burn Hazard Place one (1) genuine Bloomfield Exposed surfaces of the paper filter in the brew chamber. brewer, brew chamber Add a pre-measured amount of and airpot or server may fresh coffee grounds. be HOT to the touch, and Gently shake the brew chamber to can cause serious burns. level the bed of grounds. Slide the brew chamber into place und
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CLEANING INSTRUCTIONS CAUTION: PROCEDURE: Clean Coffee Brewer Burn Hazard PRECAUTIONS: Disconnect brewer from electric power. Allow brewer to cool. Brewing and serving temperatures of coffee are FREQUENCY: Daily extremely hot. Hot coffee will cause TOOLS: Mild Detergent, Clean Soft Cloth or Sponge serious skin burns. Bristle Brush, Bottle Brush CAUTION: 1. Disconnect brewer
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622 75854 Owners Manual Gourmet 1000 Airpot/Thermal TROUBLESHOOTING SUGGESTIONS SYMPTOM POSSIBLE CAUSE SUGGESTED REMEDY Water won’t heat Brewer unplugged or circuit Check power supply cord breaker tripped 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/r
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SERVICING INSTRUCTIONS ACCESS PANELS CAUTION Electric Shock TOP PANEL: Hazard Remove top panel to access hot water tank, thermostat, heating Opening access panels or elements, brew circuit tubing, faucet valve and piping. removing warmer plates on this Top panel is held by two screws at the rear and a retaining lip at brew may expose uninsulated the front. electrical components. Disconnect brewer from FRONT PANEL: electrical power before removing a
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622 75854 Owners Manual Gourmet 1000 Airpot/Thermal SERVICING INSTRUCTIONS (continued) CAUTION TEMPERATURE ADJUSTMENT Electric Shock Hazard Unplug power cord or turn circuit breaker OFF. Remove top panel. These procedures involve Pull vent tube out of tank lid and insert a thermometer of known exposed electrical circuits. accuracy in vent hole. Reconnect brewer to electrical power. These procedures are to be performed by qualified technical personnel only.
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SERVICING INSTRUCTIONS (continued) TIMER ADJUSTMENT (AUTOMATIC BREWERS ONLY) IMPORTANT: Water pressure must be between 20 p.s.i and The amount of water dispensed automatically during a brew cycle 90 p.s.i. flowing pressure. is controlled by the timer. If water pressure exceeds this Place empty airpot or thermal server under brew chamber. Press value, or if water pressure BREW button. Brewer should dispense one container of water. varies greatly, a pressure To adj
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622 75854 Owners Manual Gourmet 1000 Airpot/Thermal 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 fro
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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 IMPORTANT: When replacing REPLACE HOT WATER FAUCET COIL water faucet coil, also replace Symptom: Brewer drips continuously from brew head, except seal gaskets. when faucet valve is tur
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622 75854 Owners Manual Gourmet 1000 Airpot/Thermal SERVICING INSTRUCTIONS (continued) CAUTION - PROCEDURE: Delime the Water Tank CHEMICAL BURN PRECAUTIONS: Disconnect brewer from electric power. HAZARD Allow brewer to cool. Deliming chemicals are caustic. Wear appropriate protective FREQUENCY: As required (Brewer slow to heat) gloves and goggles during this procedure. TOOLS: Deliming Solution Never siphon deliming
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SERVICING INSTRUCTIONS (continued) 7. Set the tank back into the brewer. Reassemble the tank lid to NOTE: Normally, silicone the water tank. Make sure the gasket is properly in place, hoses do not need to be then reinstall the hold-down strap. delimed. Should deliming hoses become necessary, 8. Reinstall wiring to heating element and thermostat. Reinstall Bloomfield recommends the hi-limit thermostat (if removed). For automatic brewers, replacing
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622 75854 Owners Manual Gourmet 1000 Airpot/Thermal EXPLODED VIEW & PARTS LIST HOT WATER TANK ASSEMBLY ITEM PART NO. DESCRIPTION USED ON 13 8043-5 Hold Down Strap All 14 8043-506 Nut, 8-32 SS Acorn All 16 60366 Screw, 1/20x1-1/4 SS Cap Head All 17 6
