9
REFRIGERATION FUNDAMENTALS
1. Temperature & Defrost Control
The case temperature is set at the factory, as
determined by the case size. The temperature is
controlled by a thermostat. If a temperature setting
change is required, follow the instructions for the
Temperature Control Programming Steps in the
technical information section of this operating
manual.
If service is required to the temperature control
unit, call Structural Concepts. This maintenance
should be performed by a certified technician.
2. Evaporator Fan Access
Remove lower decking. A finger hole is provided to
assist in lifting up and pulling out deck.
3. Expansion Valve Access
Remove lower decking. A finger hole is provided to
assist in lifting up and pulling out deck.
Remove fan shroud assembly.
Unplug the fan at the shroud support.
Remove four screw knobs from the fan shroud.
Carefully remove shroud to avoid damage to
mirrors or front air deflector.
4. Refrigeration:
Access and Connections
Assembly or disassembly and servicing to be
accomplished by licensed refrigeration
contractor.
Refer to maintenance fundamentals for access.
Remove front panel.
Remove front grille.
Front of Case
Sight Glass
Refrigerant Service Fittings
Hot Gas Evaporator
Temp. Controller
Lower Decking
Evaporator Fan
Fan shroud
