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E. Food Storage
• This unit is designed only for temporary storage of food. Employ sanitary methods. Use
for any other purposes (for example, storage of chemicals or medical supplies such as
vaccine and serum) could cause deterioration of stored items.
• Do not block the air inlet and outlet or cooling performance may be reduced.
• Do not pack the cabinet tightly with food. Allow some space between items/containers to
ensure good air flow. Also allow space between food product and interior surfaces.
• Do not put warm or hot foods in the unit. Let them cool first, or they will raise the cabinet
temperature and could deteriorate other foods in the cabinet or overload the unit.
• All foods should be wrapped in plastic film or packed in a container. Otherwise foods
may dry up, pass their smells onto other foods, cause frost to develop, result in poor unit
performance, or increase the likelihood of cross-contamination. Certain dressings and
food ingredients, if not stored in containers, may accelerate corrosion of the evaporator,
resulting in failure.
• On Roll In or Roll Thru units, before rolling the food cart into the cabinet, ensure that all
food containers are arranged evenly and not protruding beyond the cart.
• On Roll In or Roll Thru units, place the food trays evenly from the bottom first on the food
cart to reduce the risk of tipping the food cart.
F. Perimeter Frame Heater
This unit is equipped with a perimeter frame heater. This prevents the formation of
condensate on the front frame and rear frame (Pass Thru and Roll Thru) of the unit
under high humidity conditions. If operating the unit under conditions where condensate
will not form, these heaters may be turned off using the switch on the control box.
G. Safety Devices
1. High Pressure Switch
• If pressure on the high-side of the unit exceeds Hoshizaki specifications, a high
pressure switch activates and interrupts power to the compressor relay. This power
interruption shuts down the compressor.
• The high pressure switch resets automatically.
2. Compressor Short Cycle Timer
a) TempGuard Models
There is a 2 1/2 minute minimum off-time and on-time for the compressor.
• Any time the compressor is started, it will keep running for a minimum of 2 1/2 minutes.
• Any time the compressor is turned off, it will stay off for a minimum of 2 1/2 minutes.
Note: Time may vary with high pressure switch activation.
b) SafeTemp Models
There is a 2 minute minimum off-time and on-time for the compressor.
• Any time the compressor is started, it will keep running for a minimum of 2 minutes.
• Any time the compressor is turned off, it will stay off for a minimum of 2 minutes.
Note: Time may vary with pressure switch activation.
