5/16 Rev. B 57-02497 6
M-SERIES CONDENSING UNIT FEATURES
STANDARD COMPONENTS
The M-Series set of standard features (pre-wired and mounted except as noted)* include:
● Liquid line and suction line vibration absorbers (eliminators) for semi-hermetic units only
● Preset non-adjustable high pressure control and preset non-adjustable low pressure control**
● Crankcase heater
● Head pressure control (flooding valve)
● Heavy gauge, galvanized steel mechanically-fastened weather hood
● Suction service valve
● Heavy-duty angle leg base
● Liquid line filter/drier
● Pre-wired electrical control panel
● Sight glass
● Liquid and suction line kit with service valve
● Timer (standard on low temp units only)
● Compressor contactor
● Defrost heater contactor (when required)
● Generously-sized condenser (rated up to 120° ambient)
● Rifled tubes in condenser for greater efficiency
● Liquid line shut-off valve for easy change of filter
● PSC condenser fan motors
● Large liquid receiver (good for maximum 100 ft. line run)
● One year limited compressor warranty
*Components may vary depending on horsepower and application. Consult our factory for verification of
standard and optional components.
**Preset high pressure control and preset low pressure control are non-adjustable in medium temp M-Series
units. The low pressure control is adjustable in low temp units.
OPTIONALLY AVAILABLE
● Special voltages
● Insulated and heated receiver (thermostatically controlled)
● Suction accumulator
● Coated condenser coils
● Oil separator
● Phase loss/low voltage monitor
● Factory pre-assembled evaporator coil (includes factory pre-mounting of thermostatic air control and
expansion valve)
● Factory pre-charged system with quick connect liquid and suction line sets up to 40 ft. (specify length
when ordering)
● Adjustable low pressure control for medium and high temp units
● Dual pressure control
● Circuit breaker
● Suction filter
● Fan cycling switch
● Pre-mounted solenoid at evaporator
● Liquid line solenoid valve (shipped loose)
● Timer for medium temp units
● Extended four years limited compressor warranty
● Master Controller electronic control system
● Reverse cycle defrost
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