Hoshizaki HR24A User Manual

Page of 39
20
Defrost (Do Not Adjust)
Service Menu
Min.
Max.
Unit
Factory Setting
Description
d0
0
99
hrs.
6
Defrost interval:
0=no defrost
d1
0
2
---
2
Defrost type. Do not adjust.
0=electric heater
1=hot gas
2=off cycle (evaporator fan motor)
d2
-99
99
°C/°F
N/A
Limit for defrost if P3 = 1 or 2.
d3
0
99
min.
30
Defrost duration.
d4
0
1
---
0
Defrost on startup. Do not adjust.
0=no, 1=yes
d5
0
99
min.
0
Minimum time between startup and 
defrost. Do not adjust.
d6
0
1
---
0
Temperature display 
during defrost. Do not adjust.
0=cabinet temperature
1=cabinet temperature or setpoint
    + differential (4°F). Based on
    cabinet temperature at defrost
    initiation. 
d7
0
15
min.
0
Drip time. Do not adjust.
d8
0
3
---
0
Defrost initiation. Do not adjust.
0=d0 defrost timer is cumulative
    power on time.
1=d0 defrost timer is cumulative
    compressor run time.
2=defrost starts when
    evaporator temperature < d9 
    for time d0.
3=based on evaporator temperature 
    when evaporator thermistor is
    present.
d9
-99
99
°C/°F
32
Do not adjust.
d10
0
99
°C/°F
27
Do not adjust.
d11
0
1
---
0
Do not adjust.
d12
0
99
min.
30
Do not adjust.
d13
1
240
min.
1
Do not adjust.
d14
0
240
min.
30
Do not adjust.
d15
0
99
min.
0
Minimum compressor run time before 
defrost if d1=1. Do not adjust.