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Scope of this service manual
This service manual is made in order to aid service technicians when servicing and troubleshooting on the
Gram Gastro 07/08 product range, and in particular related to the electrical controller.
The service manual is not intended to be handed over to end-users, since unintended changes of settings
potentially can cause situations where the temperature inside the cabinet cannot be kept as intended, (high
foodstuff temperatures can occur if wrong adjustments are made).
Another side effect of making unintended changes of the controller settings, is potentially causing damage to
the refrigeration system.
Changing service level parameter settings from the factory default, will void the warranty!
This service manual does explain how to access the different additional controller levels related to service.
These levels are:
Entering / adjusting factory default parameter settings (adjustable if necessary)
Entering and using the I/O test area
Furthermore, this manual does explain:
The layout of the controller and the different connections including the specifications of these.
EC declaration of conformity
Wiring diagrams for:
o K – Models (Refrigerator)
o M – Models (Extended refrigerator)
o F – Models (Freezer)
Piping diagram
Introduction to this manual
This manual will advise you how to service the product.
Changes in installation and other use of the product than described under intended use, might affect
the operation and durability of the product.
The manual is written according to our current technical knowledge. We constantly work on
updating this information, and we reserve the right to make technical changes.
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