Hoshizaki rh1-aac Manual Suplementar
9
II. General Information
A. Sequence of Operation and Timing Charts
1. Refrigerator
a) Sequence of Operation
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 minute delay before the compressor
will start. The compressor has a minute minimum run time during every run
cycle. The only exception is when the overload activates and deactivates.
will start. The compressor has a minute minimum run time during every run
cycle. The only exception is when the overload activates and deactivates.
Cycle On (Cut-on
temperature reached)
[Minimum .0 minutes]
1. Compressor on
. Condenser fan on
temperature reached)
[Minimum .0 minutes]
1. Compressor on
. Condenser fan on
POWER ON
1. Frame heaters on
. Evaporator fan on
. Evaporator fan on
2.0 minute delay
1. Compressor start-up
. Condenser fan start-up
1. Compressor start-up
. Condenser fan start-up
Cycle Off (Cut-out
temperature reached)
[Minimum .0 minutes]
1. Compressor off
. Condenser fan off
temperature reached)
[Minimum .0 minutes]
1. Compressor off
. Condenser fan off
If evaporator temperature
reaches 13°F, unit initiates
defrost. Defrost initiation for
RH1-AAC-W is 7°F.
1. Compressor off
. Condenser fan off
(Note: Evaporator fan is on.)
reaches 13°F, unit initiates
defrost. Defrost initiation for
RH1-AAC-W is 7°F.
1. Compressor off
. Condenser fan off
(Note: Evaporator fan is on.)
Evaporator temperature
reaches 40°F, defrost
terminated
1. Compressor on
. Condenser fan on
reaches 40°F, defrost
terminated
1. Compressor on
. Condenser fan on
Normal cycling continues