Hoshizaki 73183 Manual Do Utilizador

12

The steps in the sequence are as outlined below. 

Note: 1. There is a slight delay at startup. 

2. When power is turned on, the 2-hour high-temperature alarm timer is bypassed. 

Therefore, a high-temperature alarm can occur at startup. To silence the alarm, 
press and release the upper button. Alarm clears once temperature is within 
factory parameters. For details, see "II.D.2. Alarm Safeties."

3. There is a 2-minute minimum Comp on time and a 2-minute minimum Comp off 

time.

4. EvapFM de-energizes when door is opened on FS and when upper door is 

opened on HS. 

5. A float-switch controlled condensate pump (located on top of the unit) is used to 

pump evaporator condensation to the condensate pan.

6. On freezers, EvapFM is de-energized during defrost.

EvapFM and MH energize. There is a slight delay before cabinet temperature or 
high-temperature alarm (Hi) appears on DM and Comp and ConFM energize. 

CM monitors cooling of the cabinet via CTh. CTh cools to 3

°

F (1.7

°

C) below setpoint. 

EvapFM and MH continue. Comp and ConFM de-energize.

3. Cool Down Restart 

CTh warms to 3

°

F (1.7

°

C) above setpoint. EvapFM and MH continue. Comp and ConFM 

energize.

"dEF" is displayed during defrost. There is a 20-minute minimum defrost time and a
1-hour maximum defrost time.

a) Temperature Initiation: When DTh cools to 8.6°F (-13°C) defrost begins. EvapFM and 

MH continue. Comp and ConFM de-energize.  

b) Manual Initiation: Manual defrost may be initiated by pressing and holding the lower 

button until "dEF" appears on DM. EvapFM and MH continue. Comp and ConFM
de-energize.

c) Termination: DTh warms to 40

°

F (4.4

°

C). EvapFM and MH continue. Comp and ConFM 

energize, 2-minute temperature display delay timer starts.

  2-minute temperature display delay timer terminates and temperature display returns 

to DM.

Note: There is a 2-hour minimum defrost interval.

Legend: 

CM–control module; Comp–compressor; ConFM–condenser fan motor;  

CTh–cabinet thermistor; DM–display module; DTh–defrost thermistor; 

EvapFM–evaporator fan motor; MH–mullion heater