
Unit Description
28
NOTE: The use of 50/50% pre-mixed ELC is recommended
to ensure that deionized water is being used. If 100% full
strength concentrate is used, deionized or distilled water is
recommended instead of tap water to ensure the integrity of
the cooling system is maintained.
Clutch
The centrifugal clutch engages fully at 600 ± 100 RPM on
engine operation, constantly turning the compressor, alternator,
and fans at both high and low speed. The clutch isolates the
engine from the belt drive system during electric standby
operation on Model 50 units.
Reciprocating Compressor
The T-680R and T-880R feature the X214, 2 cylinder
reciprocating compressor with 13.92 cu in (229 cc)
displacement.
The T-1080R features the X426, 4-cylinder reciprocating
compressor with 25.9 cu in (424 cc) displacement.
Scroll Compressor
The T-680S and T-880S feature the TK04 scroll compressor.
The T-1080S features the TK06 scroll compressor.
Standard HMI Control Panel
The Standard HMI Control Panel (Human/Machine Interface)
is used to operate the unit and display unit information. The
Control Panel is typically located in the vehicle driver's
compartment and communicates with the base controller using
a connection on the interface board.
Figure 12: Standard HMI Control Panel
CYCLE-SENTRY
TM
Start/Stop
System
The CYCLE-SENTRY Start/Stop fuel saving system provides
optimum operating economy.
CAUTION: Do not add Green or Blue-Green
coolants to cooling systems that use Red Extended
Life Coolants.
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