Operating Instructions
54
Initiating a Manual Defrost Cycle
Defrost cycles are usually initiated automatically based on time
or demand. Manual defrost is also available
Manual defrost is only available if the zone is running and the
zone evaporator coil temperature is less than or equal to 45°F
(7°C). Other features such as door switch settings may not
allow manual defrost under some conditions.
NOTE: If the Rail Alternate feature is set ENABLED then a
manual defrost cycle is available with temperatures less than
or equal to 55 F (13 C).
To initiate a manual defrost cycle, press the Defrost Key as
shown in Figure 40.
Figure 40: Defrost Key
The display will briefly show [DEFROST]. Then the Zone
Select display appears. Zone 1 selected shown in Figure 41.
Figure 41: Zone 1 Selected
The display briefly shows [DEFROST], [PROGRAMMING
DEFROST - PLEASE WAIT] and then [DEFROST
STARTED] (Figure 42).
Figure 42: Defrost Started
Summary of Contents for Precedent C-600M
Page 2: ......
Page 58: ...Operating Instructions 56 Figure 44 Initiating a Manual Defrost Cycle Defrost Key...
Page 71: ...Operating Instructions 69 Figure 61 Performing a Pretrip Test 2 From Figure 60...
Page 85: ...Operating Instructions 83 Figure 83 Displaying and Clearing Alarm Codes 1 See Figure 84...
Page 86: ...Operating Instructions 84 Figure 84 Displaying and Clearing Alarm Codes 2 From Figure 83...
Page 165: ......
