58
TK 56171-2-OP-EN
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.
N
No
otte
e:: If the Rail Alternate feature is set YES, defrost is allowed with an
evaporator coil temperature less than or equal to 55°F (13°C).
To initiate a manual defrost cycle, press the Defrost Key as shown (
).
Figure 51.
Defrost Key
The display will briefly show [DEFROST]. Then the Zone Select display
appears. Zone 1 selected is shown (
).
Figure 52.
Zone 1 Selected
The display briefly shows [DEFROST], [PROGRAMMING DEFROST - PLEASE
WAIT] and then [DEFROST STARTED] (
).
