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TABLE 2 – UNIT DATA
UNIT MC2000H /
MC2000S
Voltage (V)
Nominal 115
Range 105-125
Frequency (Hz) 60
Total Amps 11.3
Refrigerant Type R-134A
Charge Amount (oz) 19.4
Design Pressure (psig)
High Side 220
Low Side 88
INITIAL START-UP
POWER SUPPLY
Connect unit to power supply. Check to verify that
the compressor, lamp and fans are running.
Important: Low line voltage is often the cause of
service complaints. Check to see that the line
voltage is within specified range with the unit
running.
TEMPERATURE CONTROL
The temperature control knob is located inside the
cabinet in the motors panel. See Figure 8. Unit is
factory set at the number 4 position (normal),
which will maintain the product at approximately
38F. For colder temperature, turn the black
adjustment knob to a higher setting. Adjust
temperature control in small increments, one
position at a time.
CAUTION
Allow 24 hours between temperature control
adjustments. Excessive tampering with
temperature control could lead to service
difficulties.
NOTE: For operation above 3,000-ft altitude,
thermostat should be adjusted by a qualified
service technician.
FIGURE 8 – TEMPERATURE CONTROL KNOB
TEMPERATURE
CONTROL KNOB