Bunn CRT5, CRTF5 service manual Spitting or excessive steaming Dripping from sprayhead

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TROUBLESHOOTING (cont.)

PROBLEM

Spitting or excessive steaming (cont.)

Dripping from sprayhead

PROBABLE CAUSE

2.Control Thermostat

1.Syphon System

2. Lime Build-up

CAUTION - Tank and tank com- ponents should be delimed regularly depending on local water conditions. Excessive mineral build-up on stainless steel surfaces can initiate corro- sive reactions resulting in serious leaks.

3. Solenoid Valve

REMEDY

Refer to Service - Control Thermostat for testing proce- dures. See page 14

The brewer must be level or slightly lower in front to syphon properly.

Inspect the tank assembly for excessive lime deposits. Delime as required.

Remove the solenoid valve and clear any obstructions. Rebuild or replace the valve if necessary. See page 18

Water flows into tank continu- ously (ON/OFF Switch "ON")

Water flows into tank continu- ously (ON/OFF Switch "OFF")

Beverage overflows dispenser

1. Timer

1. Solenoid Valve

1.Dispenser

2.Timer

3.Solenoid Valve

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Refer to Service - Timer for testing procedures. See page 25 or 27

Remove the Solenoid Valve and clean any obstruction. Rebuild or replace the valve if necessary. See page 18

The dispenser must be com- pletely empty before starting a brew cycle.

Refer to Service - Timer for testing procedures. See page 25 or 27

Remove the Solenoid Valve and clean any obstruction. Rebuild or replace the valve if necessary. See page 18

10478 061500

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Contents Bunn CRT5 Introduction WarrantyUser Notices Electrical Hook-Up Electrical RequirementsPlumbing Requirements Models CRTF5, CRTF5A & CRTF5B Plumbing RequirementsModels CRT5, CRT5A & CRT5B Models CRTF5 & CRTF5BInitial SET-UP Adjusting Brew VolumesOperating Controls CleaningON/OFF Switch Start SwitchTo the brewer TroubleshootingProblem Probable Cause Brew cycle will not start No waterControl Thermostat Tank Heater TroubleshootingProblem Brew cycle will not start Water is not hotSyphon System Inconsistent beverage levelDispenser Spitting or excessive steaming Dripping from sprayhead Plumbing Lines Water Supply Dry coffee grounds remainFunnel Brewer is making unusal noises See Tank Heater WarmerControl Thermostat ServiceComponent Access ContentsFirst Type Thermostat Second Type Thermostat Service Control ThermostatLimit Thermostat ServiceLower Center Warmer ON/OFF Warmer SwitchSolenoid Valve Test Procedures Disconnect the brewer from the power sourceStart Switch Thermostat w/bracket early models only Tank HeaterTank Heater Terminals Service Tank HeaterTank Heater Switch Tank Heater SwitchTank Heater Switch Terminals Service Tank Heater SwitchThermal CUT-OFF Service Thermal CUT-OFF Brewers W/FaucetDisconnect the black and white wires from the solenoid Service Timer Early ModelsTest Procedure Disconnect the brewer from the power source Timer Terminals Service TimerIf voltage is as described, proceed to #8 Service Digital Brew Timer Late ModelsSetting brew volumes. To set a brew volume Service Digital Brew Timer Late ModelscontTo increase a brew volume, place the ON/OFF Warmer Elements Warmer Elements10478 10478 10478

CRT5, CRTF5 specifications

The Bunn CRTF5 and CRT5 coffee brewers are appreciated by coffee enthusiasts and professionals alike for their reliability, efficiency, and innovative features. These commercial brewing systems are designed to deliver high-quality coffee consistently, making them ideal for cafes, restaurants, and other food service operations.

One of the standout features of the Bunn CRTF5 is its ability to brew multiple batches of coffee simultaneously. With a capacity of brewing up to 3.8 gallons per hour, it is equipped to handle high demand without compromising on quality. The unit has a programmable digital control which allows users to easily adjust brew temperature and time, ensuring each batch is brewed to perfection. This level of control empowers operators to customize their brewing process according to the unique preferences of their customers.

In terms of design, the Bunn CRTF5 and CRT5 models incorporate a stainless-steel exterior that not only enhances durability but also adds a sleek look to any kitchen or coffee shop environment. The large, easy-to-read water level indicator allows for straightforward monitoring of the brewing process, minimizing the risk of running out of water during peak busy hours. The easy-to-use front-access design also simplifies the loading and unloading of coffee grounds and water.

Technologically, the Bunn CRTF5 and CRT5 incorporate advanced brewing technology that helps maintain optimal brew temperatures through the use of stainless-steel water tanks. These tanks ensure that water is heated quickly and is maintained at consistent temperatures throughout the brewing process, positively affecting flavor extraction and ensuring the rich taste of coffee.

Another crucial characteristic of these brewers is the brew basket, which is designed for efficient flow control. This feature assists in achieving an even extraction process, thereby enhancing the overall quality of the coffee produced. Furthermore, the sturdy construction of the basket ensures that it can withstand the demands of daily use in a high-traffic environment.

In conclusion, the Bunn CRTF5 and CRT5 coffee brewers stand out in the commercial coffee brewing market. Their combination of robust features, advanced technologies, and user-friendly design makes them a smart choice for those looking to serve high-quality coffee quickly and efficiently. Whether in a bustling café or a restaurant, these brewers are built to deliver exceptional coffee experiences every time.
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