Diletta Bello+ Product User Manuals & Instructions PDF

The Diletta Bello+ Espresso Machine combines sleek design with advanced brewing technology to deliver a premium espresso experience. With its user-friendly interface and customizable settings, the Bello+ is perfect for both novice and experienced coffee enthusiasts.

Product Resource Details


The machine must be operated with soft, clean drinking water. If your local water supply has a high mineral content, use a water softener, water filtration system, or bottled water. A build-up of mineral deposits may restrict the flow of water within the machine and cause damage to components or cause personal injury. Improper water usage can result in the voiding of your warranty.

Machine Safety

The machine’s brew circuit is fitted with a mechanical spring valve to protect against overpressure. From the factory, this is set at 10 bar. The steam boiler is also equipped with a safety valve set at 2.3 bar and a thermal switch that stops heating in the event of failure The pump is fitted with a thermal switch that resets automatically for protection against overheating All electrically powered heating elements are located inside the machine

Noise and Vibrations

Under regular use, the machine’s operating characteristics measure less than 70 dB. The machine is supplied with rubber vibration damping feet. In normal conditions the machine will not generate vibrations which could damage objects or cause injury to persons.


  1. Before continuing, check the box for damage and punctures. If significant damage is noted to outer packaging STOP and call 866-372-4734
  2. Remove foam packaging Reach around the sides of your machine until you have a firm grasp of the machine base. Do not lift from the group or valves
  3. Lift carefully and set the machine on your counter, ensuring all 4 legs make good contact
  4. Remove the outer dust bag and accessory box Save your packaging for future storage or shipping.

Initial Setup

  1. Ensure the power cable is free of kinks, then plug in to the wall socket
  2. Remove water tank from the top of the machine and fill with clean, filtered water
  3. Switch on the machine with the front power switch, the green light will come on
  4. The machine will begin filling the boiler automatically
  5. Once finished, briefly run water through the group by lifting the brew lever for a few seconds to ensure the water path is saturated
  6. The PID screen will now indicate heating, and the temperature reading will begin to rise
  7. You can adjust your desired steam boiler temperature using the arrow buttons on the face of the machine
  8. Your machine is ready to brew after the set temperature is reached and the boiler pressure gauge reads between 1 and 1.5 Bars; generally around 15 minutes.

PID Settings

To enter the PID settings menu, press and hold the up arrow for 5 seconds. You can scroll through each setting by tapping the Up Arrow. Adjustments for each setting are made by tapping the Down Arrow. Settings appear in this order

  1. Temperature Unit (F or C)
  2. Eco Mode Timer (Set to Off, 30, 60, 90 minute increments)
  3. Standby Mode (On/Off)
  4. Water Alarm Buzzer (On/Off)
  5. Probe Sensor Height (Factory Setting Medium; Do not change)
  6. Pre-Infusion (Adjustable from 1 to 10 seconds)

Eco Mode

The Bello+ Eco Mode lowers your steam boiler temperature below boiling, which significantly lowers power draw while still offering fast recovery for your next shot. Eco mode can be deactivated, or set in 30-minute increments up to 2 hours.


Engineered with performance, reliability, and usability in mind, Diletta is a collaboration between Seattle Coffee Gear and a veteran team of Italian designers. We built Diletta to offer a home espresso experience that’s accessible to new users and enthusiasts alike, all for a competitive price. Whether you’re looking for classic Italian design or something more modern, the first two releases under the Diletta brand have you covered. Diletta espresso machines also let you brew with confidence due to their solid construction and reliability. We hope you’ll love these world class espresso machines as much as we do!

Shop Diletta