Unit Description
23
SMART REEFER
TM
4 (SR-4)
Control System
The SR-4 is a microprocessor control system designed for
transport refrigeration. The SR-4 integrates the following
functions: changing setpoint and operating mode, viewing
gauge, sensor and hourmeter readings, initiating defrost cycles,
and viewing and clearing alarms.
The microprocessor components are located inside the control
box, which is located inside the lower roadside service door. It
is used to operate the unit. The control panel is mounted on the
face of the control box. It is clearly visible through an opening
in the lower roadside service door.
See “Operating Instructions” for more information about the
SR-4 Controller.
Depending on the air temperature in the trailer, as sensed by
the microprocessor Base Controller, the unit will typically
operate in one of the following modes:
Diesel Operation
In diesel operation the microprocessor will select the operating
mode from the following:
•
High Speed Cool
•
Low Speed Cool
•
Low Speed Modulated Cool
•
Null (CYCLE-SENTRY operation only)
•
Low Speed Modulated Heat
•
Low Speed Heat
•
High Speed Heat
•
Defrost
Содержание Precedent C-600
Страница 18: ...Safety Precautions 17 Do Not Use Ether Starting Aids Figure 5 Do Not Use Ether Starting Aids Near Engine...
Страница 200: ...Serial Number Locations 199 Figure 190 Engine Serial Number Location Figure 191 Unit Serial Number Plate Locations...
Страница 204: ...203 CALIFORNIA Proposition 65 Warning Diesel exhaust is a chemical known to the State of California to cause cancer...
