Thermo King Precedent C-600M, Руководство оператора

Страница: 56 / 166

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