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Unit Description (Rev. 04/03)
7
•
Automatic Diesel/Electric Selection
•
Select up to 13 Readouts Covering All Key Operating
Parameters
•
Phase Indication
•
Programmable Setpoint Range
•
Low Speed Start (Programmable)
•
High Speed Pulldown (Programmable)
•
Choice of Units of Measure
•
Low Speed Lockin
UNIT INSTRUMENTS
1.
MICROPROCESSOR LCD DISPLAY. The LCD dis-
play normally shows the setpoint, the return air temper-
ature, and any active icons, which are:
•
Cool
•
Heat
•
Defrost
•
Setpoint
•
CYCLE-SENTRY
•
Alarm
•
Electric (Optional)
Pressing the SELECT key causes the display to show
the other sensor readings.
2.
ALARM ICON. The alarm icon comes on whenever
there is an alarm code stored in the microprocessor
memory.
3.
RECEIVER TANK SIGHT GLASS. The receiver tank
sight glass is used to check the amount of refrigerant in
the system, and the moisture content of the refrigerant.
4.
COMPRESSOR OIL SIGHT GLASS. The compressor
oil sight glass is used to check the relative level of com-
pressor oil in the compressor sump.
5.
AIR RESTRICTION INDICATOR. An air restriction
indicator is attached to the intake manifold. Visually
inspect the restriction indicator periodically to assure
the air filter is not restricted. Service the air filter when
the yellow diaphragm indicates 22 in. of water column.
Press the button on the top of the restriction indicator
after servicing the air filter.
6.
REMOTE LIGHT INDICATORS (Optional). Remote
indicator lights in a box that can be mounted on the
truck beneath the unit feature these signals:
WHITE—system is in cooling cycle
BLUE—system is in defrost cycle
AMBER—system is in heat cycle
GREEN—system is in high speed heat or cool
Summary of Contents for 088669
Page 4: ......
Page 8: ......
Page 12: ...Safety Precautions Rev 04 03 iv PUB126...
Page 13: ...Safety Precautions Rev 04 03 v aea105...
Page 14: ......
Page 28: ...Unit Description Rev 04 03 14 Rear View Curbside RD II SR Evaporator aea105...
Page 32: ...Unit Description Rev 04 03 18 Power Receptacle Box RD II SR 50 aea102...
Page 76: ...Refrigeration Maintenance Rev 04 03 62...
Page 77: ...Refrigeration Maintenance Rev 04 03 63...
Page 81: ...Refrigeration Maintenance Rev 04 03 67...
Page 103: ...89 Hilliard Clutch Maintenance Clutch Assembly...
Page 106: ...Hilliard Clutch Maintenance Rev 04 03 92 12 Install retaining ring Clutch Torque Values...
Page 125: ...111 Cool Cycle RD II SR with TherMax Heating...
Page 126: ...112 Condenser Cycle RD II SR with TherMax Heating...
Page 127: ...113 Heat and Defrost Cycle RD II SR with TherMax Heating...
Page 129: ...115...
Page 130: ...116...
Page 131: ...117...
Page 132: ...118...
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