Hidden Menu, Main Functions | Heatcraft Refrigeration Products PRO3

Heatcraft Refrigeration Products PRO3 manual Hidden Menu, Main Functions, To unlock the keyboard

PRO3 Side Mount Packaged Refrigeration System

Max. & Min. Temperature Memorization

How to see the min. temperature

1.Press and release the DOWN key.

2.The “Lo” message will be displayed followed by the minimum temperature recorded.

3.By pressing the DOWN key again or by waiting 5 seconds the normal display will be restored.

How to see the max. temperature

1.Press and release the UP key.

2.The “Hi” message will be displayed followed by the maximum temperature recorded.

3.By pressing the UP key again or by waiting 5 seconds the normal display will be restored.

How to reset the max and min temperature recorded

1.Hold press the SET key for more than 3 seconds, while the max. or min temperature is displayed. (rSt message will be displayed)

2.To confirm the operation the “rSt” message starts blinking and the normal temperature will be displayed

The Hidden Menu

The hidden menu Includes all the parameters of the instrument.

How to enter the hidden parameters

1.Enter the Programming mode by pressing the Set + DOWN keys for 3 seconds (the °C or °F LED starts blinking).

2.Release the keys, then push again the Set+DOWN keys for more than 7 seconds. The Pr2 label will be displayed immediately followed from the HY parameter.

NOW YOU ARE IN THE HIDDEN MENU

3.Select the required parameter.

4.Press the SET key to display its value

5.Use UP or DOWN to change its value.

6.Press SET to store the new value and move to the following parameter.

To exit: Press SET + UP or wait 15 seconds without pressing a key.

NOTE 1: If no parameter is present in Pr1, after 3 seconds the “noP” message is displayed. Keep the keys pushed until the Pr2 message is displayed.

NOTE 2: The set value is stored even when the procedure is exited by waiting the time-out to expire.

Main Functions

How to see the set-point

1.Push and immediately release SET key: the display will show the set point value

2.Push and immediately release the SET key or wait 5 seconds to display the probe value again

How to change the set-point

1.Push SET for more than 2 seconds to change the set-point value

2.The value of the set-point will be displayed and the °C or °F LED starts blinking

3.To change the set value push UP or DOWN arrows within 10 seconds

4.To memorize the new set point value push SET key again or wait 10 seconds

How to start a manual defrost

Push DEF key for more than 2 seconds and a manual defrost will start.

How to change a parameter value

To change a parameter value:

1.Enter the Programming mode by pressing the SET + DOWN keys for 3 seconds (the °C or °F LED starts blinking)

. Select the required parameter. Press SET to display its value.

3.Use UP or DOWN to change its value

4.Press SET to store the new value and move to the following parameter

To exit: Press SET + UP or wait 15 seconds without pressing a key

NOTE: The set value is stored even when the procedure is exited by waiting the time-out to expire.

How to move a parameter from the hidden menu to the first level and vice versa

Each parameter present in the HIDDEN MENU can be removed or put into “THE FIRST LEVEL” (user level) by pressing SET + Down.

In HIDDEN MENU when a parameter is present in First Level the decimal point is on.

How to lock the keyboard

1.Keep the UP + DOWN keys pressed for more than 3 seconds.

2.The “POF” message will be displayed and the keyboard will be locked. At this point it will be possible only to see the set point or the MAX o Min temperature stored

3.If a key is pressed more than 3 seconds the “POF” message will be displayed.

To unlock the keyboard

Keep the UP + DOWN keys pressed for more than 3 seconds, until the “Pon” message is displayed.

The continuous cycle

When defrost is not in progress, it can be activated by holding the UP key pressed for about 3 seconds. The compressor operates to maintain the ccS set point for the time set through the CCt parameter. The cycle can be terminated before the end of the set time using the same activation key UP for 3 seconds.

The on/off function

With “onF = oFF”, pushing the ON/OFF key, the instrument is switched off. The “OFF” message is displayed. In this configuration,

To switch the instrument on, push again the ON/OFF key.

WARNING: Loads connected to the normally closed contacts of the relays are always supplied and under voltage, even if the instrument is in stand by mode.

PRO3 Side Mount Packaged Refrigeration System Installation and Operations Manual, May 2008

PRO3 specifications

Heatcraft Refrigeration Products PRO3 is an innovative line of refrigeration solutions designed to meet the dynamic needs of various commercial environments. Renowned for its energy efficiency, reliability, and user-friendly features, the PRO3 series is a game changer in the realm of temperature control.

One of the standout features of the PRO3 is its advanced microprocessor control system. This technology allows for precise temperature management, ensuring that perishable goods are maintained at optimal conditions. The intuitive interface makes monitoring and adjustments hassle-free, further enhancing user convenience.

Another notable characteristic is the PRO3's energy-efficient design. Engineered with the latest sustainable practices in mind, these refrigeration units consume significantly less power than their counterparts. This energy efficiency not only reduces operating costs but also minimizes the environmental impact of refrigeration operations.

The PRO3 series incorporates advanced evaporator and condenser coil designs that maximize heat exchange and cooling performance. This optimizes the refrigeration cycle, contributing to quick recovery times and overall system efficiency. The inclusion of high-performance fans ensures consistent air distribution, preventing temperature fluctuations that could jeopardize product integrity.

Durability is a core attribute of the PRO3. Constructed with high-quality materials, these refrigeration units are designed for long-lasting performance, even in challenging environments. Their robust build ensures they can handle the rigors of daily use in busy commercial settings.

Moreover, the PRO3 series features easy accessibility for maintenance, which is crucial for prolonging the lifespan of the equipment. Maintenance-friendly designs make it straightforward for technicians to conduct service checks and repairs, reducing downtime and enhancing operational efficiency.

The PRO3 also includes customizable options to cater to specific customer needs, such as different sizes and configurations. This versatility makes it ideal for a wide range of applications, from supermarkets to restaurants and storage facilities.

In summary, Heatcraft Refrigeration Products PRO3 stands out with its sophisticated temperature control, energy efficiency, and durable construction. Combining advanced technologies with user-friendly features, it represents a modern solution for commercial refrigeration, ensuring optimal performance and product preservation.