Heatcraft Refrigeration Products H-IM-79E Manuale Utente

Use the “MONITOR” 

  button to review these items: 
 
 

SUP   -   Superheat  

 

    (°F/°C) 

 ESP  -   Expansion valve steps 

 

    (0 to 255 steps) 

 SCt  -  Suction temperature 

 

    (°F/°C) 

 SSt  -  Saturated Suction temperature 

 

    (°F/°C) 

 SCP  -  Suction pressure at Evaporator 

 

    (PSIG/HG)

 Odt  -  Outdoor temperature 

 

    (°F/°C)

 dFt  -  Defrost sensor temperature 

 

    (°F/°C)

 dFS  -  Time left until next defrost 

 

    (hours) (on version 1.8 boards)

 dFE  -  Last Defrost Elapsed time 

 

    (minutes)

 AC  -  Board Voltage

 SPt  -  Spare Temperature reading

Use this button to 

“FORCE DEFROST” To force a 

defrost , press the 

“FORCE DEFROST” button. The 

system will pumpdown and shut off the compressor. The 
heaters are then turned on. The display will show 

and room temp.

Use this button to 

“RESET TIME” Pressing this button 

will reset the time clock in the microprocessor to zero. 
At initial power up, pressing this button will bypass 
the “four minute” hold-off and the system will start 
immediately after the expansion valve opens. This 
display will show 

“dLy”.

Use this button to 

Pressing this button TWICE will cause the system to 
pumpdown and the compressor to shut off. The system 
will remain off until the “

CLEAR” button is pressed. 

While in the “

FORCE SERVICE”, the LED display will 

only show 

“SEr”.