Hoshizaki fh1-ssb Manual Suplementar

Note: The start circuit of the compressor is timed such that at power-up and during

any compressor off time, there will be at least a  1/ minute delay before the
compressor will start. The only exception is when the overload activates and
deactivates. The compressor has a  1/ minute minimum run time during every
run cycle.

2. Freezer (except freezer side of RFH1-SSB-HD) auxiliary code P5 and earlier

a) Sequence of Operation

Cycle On (Cut-on
temperature reached)
[Minimum .5 minutes]
1. Compressor on
. Condenser on
3. Evaporator on

2.5 minute delay
1. Compressor start-up
. Condenser fan start-up
3. Evaporator fan start-up

POWER ON

Board Self Check
Display reads "r_##"
(## is board revision)
Frame heaters on

Cycle Off (Cut-out
temperature reached)
[Minimum .5 minutes]
1. Compressor off
. Condenser fan off
3. Evaporator fan off

Defrost Start
Preprogrammed time interval
1. Compressor off
. Evaporator fan off
3. Condenser fan off
4. Defrost heater on
5. "dEF" displayed

Defrost End
Defrost thermistor
reaches 100°F;
Defrost heater off

Five minutes after
defrost heater off
1. Compressor on
. Condenser fan on

Evaporator temperature
reaches below 70°F
1. Evaporator fan on

Cabinet temperature reads
a value below 15°F above
the setpoint.
"dEF" no longer displayed,
cabinet temp. displayed.

Normal cycling continues