(%.4&3*&4$00-&3&26*11&%8*5)&.4 &-45"5 $0/530-

/03."-01&3"5*/($0%&4

Normal operating mode. Cabinet should be holding proper product temperature.

Units is in defrost . Compressor has been shut off and evaporator fan motor is running to clear any ice that may have accumulated. This is a predetermined program function.

Units is in Standby mode. Control will cycle the unit at a warmer temperature. Lights will be off.

'"6-5$0%&45306#-&4)005*/(

Freeze up protection. This unit has gone down below the minimum temperature Set Point.

Refrigeration System Failure. The unit has not satisfied the set point in the amount of time allowed.

 

1PTTJCMF1SPCMFNT

 

 

 

"DUJPOUPUBLF

 

Compressor not shutting off

 

Check compressor. Relay at

 

 

 

 

 

 

controller

 

 

 

 

 

 

 

 

Faulty Probe

 

 

 

Ohm out evaporator probe

 

 

 

 

 

 

 

 

Parameters have been

 

 

 

Check parameter list

 

changed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power supply voltage is low.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1PTTJCMF1SPCMFNT

"DUJPOUPUBLF

 

 

 

 

 

 

Poor voltage at outlet

Verify proper voltage to cabinet

 

 

 

 

 

 

Faulty Transformer

Verify 120V to transformer. Check for

 

 

 

12V on secondary. Connector 7

 

 

 

(see page 2)

 

 

 

 

 

 

Faulty Controller

Bypass control to see if system will run

 

Faulty Elstat

If 12V is present at connector 7, replace

 

 

 

Elstat

 

 

 

 

 

Probe failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1PTTJCMF1SPCMFNT

 

 

"DUJPOUPUBLF

 

Connector off at controller

 

Verify that connector 4 is in place

 

 

 

 

 

(see page 2)

 

Probe is open

 

 

Ohm out probe

 

 

 

 

 

 

 

Probe is shorted

 

 

Ohm out probe

 

 

 

 

 

 

 

Probe wire is open

 

 

Ohm out probe wire

1PTTJCMF1SPCMFNT

"DUJPOUPUBLF

Unit is not cooling

Check the Refrigeration System

 

 

Faulty Probe

Ohm out evaporator probe

 

 

Faulty Controller

Bypass control to see if system will

 

run

 

 

Parameters have been

Check the parameter list

changed

 

 

 

Power supply voltage is too high.

1PTTJCMF1SPCMFNT

"DUJPOUPUBLF

High voltage at outlet

Verify proper voltage to cabinet

 

 

Faulty Transformer

Verify 120V to transformer. Check for

 

12V on secondary. Connector 7

 

(see page 2)

Faulty Elstat

If 12V is present at connector 7, replace

 

Elstat.

 

 

Elstat Probes by the evaporator motor GDM-10 to 33 probes in air stream GDM-35 to 72

7BMVF

0INT

¡

32,000 Ohms

 

 

¡

12,000 Ohms

 

 

¡

9,300 Ohms

¡

8,500 Ohms

 

 

¡

7,000 Ohms

 

 

8&BTU5FSSB-BOFt0h'BMMPO.0tQItUPMMGSFFtTFSWJDF!USVFNGHDPN

Page 8
Image 8
True Manufacturing Company GDM-26 manual 03.- 01&35*/$0%&4

GDM-26 specifications

True Manufacturing Company is a reputable name in the commercial refrigeration sector, renowned for delivering high-quality, reliable solutions for various industries. One product that stands out in their impressive lineup is the GDM-26, a glass-door merchandising display refrigerator designed for optimal performance and efficiency.

The True GDM-26 boasts a sturdy design that combines practicality with aesthetic appeal. With a capacity of 26 cubic feet, it provides ample storage space for a wide range of products, making it ideal for convenience stores, supermarkets, and restaurants. The unit features an attractive glass door that not only showcases the merchandise but also allows customers to easily browse products, ultimately encouraging impulse purchases.

One of the standout characteristics of the GDM-26 is its energy-efficient refrigeration system. Equipped with a factory-balanced refrigeration system, this model maintains a temperature range of 33°F to 38°F, ensuring that products remain fresh and at safe temperatures. This system is complemented by a durable, environmentally friendly, and efficient compressor that helps reduce energy consumption, making it a cost-effective option for businesses looking to minimize operating expenses.

The True GDM-26 is also designed with user-friendliness in mind. It features adjustable shelving, allowing operators to customize the interior layout according to their specific merchandise needs. The shelves are made of high-quality materials that can withstand frequent use and weight, enhancing their durability. Additionally, LED interior lighting illuminates the display area, ensuring that products stand out and are easily visible to customers.

Another key feature of the GDM-26 is its easy-to-clean design. The exterior is constructed from high-quality stainless steel, which not only gives the unit a sleek appearance but also resists fingerprints and smudges, making maintenance a breeze. The sliding glass doors are equipped with a heated defogger to prevent fogging, providing clear visibility at all times.

True Manufacturing Company further emphasizes safety and reliability in the GDM-26 with its lockable doors, ensuring that valuable inventory is protected. The unit's robust design, combined with advanced technologies, means that it can withstand daily wear and tear while delivering consistent performance.

With a blend of efficiency, durability, and ease of use, the True Manufacturing GDM-26 is an excellent choice for businesses seeking a stylish and dependable merchandising refrigerator. Its innovative features and robust construction make it a trusted solution for showcasing products while keeping them fresh and accessible.