Hoshizaki HR24A B. Sequence of Operation, aRefrigerator, Startup, Cool Down Achieved

B. Sequence of Operation

1. Sequence Cycles and Shutdown

The steps in the sequence are as outlined below. When power is supplied to CB, DM LEDs flash 3 times, then °F LED turns on. Press the power button for 2 sec., the cabinet temperature and EvapFM icon turn on and EvapFM starts. 2-min. Comp delay timer starts. Comp icon flashes during the 2-min. Comp delay. When the 2-min. Comp delay timer terminates, Comp icon turns steady and Comp starts.

Note: • EvapFM de-energizes when door is opened.

•There is a Comp delay of 2 min. at startup.

•There is a minimum Comp run time of 3 min.

•There is a Comp delay of 2 min. after a power interruption.

Cabinet Temperature LEDs "-" Down	"+" Up	"P" Set	Power
Button	Button	Button	Button

°F

Alarm Icon

Compressor Icon		°F LED
Defrost Icon	Evaporator Fan Motor Icon

a)Refrigerator

•The °F and CT LEDs remain on throughout the sequence of operation.

•This appliance uses a time-initiated/time-terminated Comp off cycle defrost. The factory default defrost setting is once every 6 hours for 30 min.

•6-hr. defrost timer starts the very first time CB is energized (factory testing). Defrost time is cumulative power on time, therefore time may vary between starting the appliance and the first defrost. After the first defrost, defrost can be monitored for activation every 6 hours.

•Cabinet temperature is displayed during defrost.

1. Startup

EvapFM icon is on and Comp icon is flashing. EvapFM energizes. 2-min. Comp delay timer starts. Comp icon flashes until 2-min. Comp delay timer terminates.

2. Cool Down

EvapFM icon is on and Comp icon turns steady. EvapFM continues. 2-min. Comp delay timer terminates. Comp energizes and 3-min. Comp run timer starts.

3. Cool Down Achieved

EvapFM icon is on. CTh cools to setpoint (default 39°F). EvapFM continues. If Comp run time > 3-min., Comp icon turns off and Comp de-energizes. If Comp run time < 3-min., Comp continues until 3-min. Comp run timer terminates, then Comp icon turns off and Comp de‑energizes.

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