Table 5.1.3. Modes Of Operation (Cr24W/Cc24W) - Perlick CR30R Series Service Manual

5.1 Modes Of Operation
Initial
Component
Power-Up
Control
Board
Flashing
HeartBeat
Activated with
Lights
Door Openings
Activated with
Door Opening
Door Alarm
(3 minute
delay)
Delayed 3
Compressor
Minutes
Condenser Delayed 3
Fan
Minutes
Evaporator
Delayed 3
Fan
Minutes
1. To avoid short cycling of the compressor there is a programmed 3-minute delay.
2. Upon the evaporator probe sensing 32°F during the off cycle, a cabinet humidity reading is taken, if
below desired humidity setpoint, evaporator fans turn on until humidity setpoint is achieved. Then
unit resumes moves to off mode.
3. During the off cycle after 12 hours has elapsed, the unit goes into a defrost mode that has the
evaporator fan motors run for 10 minutes.
4. During the off cycle, the evaporator fans are off for 4 minutes and then on for 1 minute, through the
duration of the off mode.
24
Models: CR24W or CC24W
Cooling Humidification
Mode (1) Mode (2)
Flashing Flashing
Activated with Activated with
Door Openings Door Openings
Activated with
Activated with
Door Opening
Door Opening
(3 minute
(3 minute delay)
delay)
On
On
Activated if
On
humidity required

Table 5.1.3. Modes of Operation (CR24W/CC24W)

Column Refrigeration Service Manual
Off
Mode (4)
Flashing
Activated
with Door
Openings
Activated
with Door
Opening
(3 minute
delay)
Off Off
Off Off
Off/On
Defrost Showroom
Mode (3) Mode
Flashing Flashing
Activated with Activated with
Door Openings Door Openings
Activated with Activated with
Door Opening Door Opening
(3 minute (3 minute
delay) delay)
Off Off
Off Off
On Off
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