Unit Description
26
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
Electric Operation
In electric operation the microprocessor will select the
operating mode from the following:
•
Cool
•
Modulated Cool
•
Null (CYCLE-SENTRY operation only)
Содержание Precedent S-600
Страница 9: ...6 ...
Страница 11: ...Introduction 8 ...
Страница 15: ...EPA Emission Control System Warranty Statement 12 ...
Страница 23: ...Safety Precautions 20 Do Not Use Ether Starting Aids Figure 6 Do Not Use Ether Starting Aids Near Engine ...
Страница 38: ...Unit Description 35 Figure 13 SR 4 Controller ...
Страница 39: ...Unit Description 36 ...
Страница 43: ...Remote Status Display Optional 40 ...
Страница 127: ...Operating Instructions 124 ...
Страница 143: ...Optional Rear Remote Control Panel 140 ...
Страница 179: ...Alarm Codes 176 ...
Страница 197: ...Warranty 194 ...
Страница 209: ...Maintenance Inspection Schedule 206 ...
Страница 211: ...Serial Number Locations 208 Figure 190 Engine Serial Number Location Figure 191 Unit Serial Number Plate Locations ...
Страница 213: ...Serial Number Locations 210 ...
Страница 216: ...213 CALIFORNIA Proposition 65 Warning Diesel exhaust is a chemical known to the State of California to cause cancer ...
Страница 217: ...214 ...