
Unit Description
31
Standard Model 50 Features
The following features are standard equipment on units
equipped with Electric Standby.
Automatic Diesel/Electric Selection: The unit will
automatically switch to electric operation when a power cord is
connected and the standby power is switched On.
Overload Relay: The overload relay is self-resetting.
Hot Gas Heat: Hot gas heat is utilized on all units.
Automatic Phase Correction: The control system features
two motor contactors. This allows correct motor rotation
regardless of phase rotation on the incoming power.
Optional Model 50 Features
The following features are available as options on units
equipped with Electric Standby.
• Electric Heater Strips
• Auto Switching
Engine Compartment
Components
Coolant Expansion Tank: The coolant level and
temperature are monitored by the base controller. If the coolant
temperature becomes too high or the level becomes too low, an
alarm will occur.
The engine must have antifreeze protection to –30 F (–34 C).
Check and add coolant in the expansion tank as needed.
Engine Oil Dipstick: Use the engine oil dipstick to check
the engine oil level.
CAUTION: Do not remove expansion tank cap
while the coolant is hot.
CAUTION: Do not add Green or Blue-Green
coolants to cooling systems that use Red Extended
Life Coolants.
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