Unit Description
21
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 an option on units
equipped with Electric Standby.
•
Electric Heater Strips
•
Water Heat
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 -34 C (-30 F).
Check and add coolant in the expansion tank as needed.
WARNING: The unit can start at any time without
warning. Press the
O
FF
key on the control panel and
place the microprocessor On/Off switch in the Off
position before inspecting any part of the unit.