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5
UNIT FEATURES CONTINUED
• Unit Configuration – There are m an y di fferent
configuration possibilities, through both dipswitches
and the digital keypad, that allow you to configure
the unit for your exact application. See section on
unit configurationfor more details. Following are the
configurationselectionsthathavenotpreviouslybeen
mentioned:
• _For_C – The unit can display in either _For_C
• Ind oor Temperature Sensor Biasin g – Optimize
the room temperature sensor reading to your exact
application (one for cooling andanother for heating)..
• Emerg en cy Hea t (for H eat Pu mp O n l y) – Disable
the compressor during heating mode operation (heat
onl y wi t h E lect ri c Heat ).
• Disp l ay S etp o i n t OR Room Temp eratu re -- T h e
unit can be configured to display the room
temperature OR setpoint only, during heating and
cooling modes. See section on unit configuration for
more details.
• Limit the Setpoint Range -- The unit can be
configuredto limit thecontrollingsetpoint range.The
displaywill alwaysshow the completesetpointrange,
but the controlling setpoint will be limited to the
configuredminimumandmaximumsetpointselected.
See section on unit configuration for more details.
• Energy Management – S ometimes known as
Front Desk Control, an input is provided so that the
unit can be manually disabled from a different
location. If the unit detects 24vac on this input, it will
automatically turn itself off. If no voltage is detected
on the input, the unit will run normally.
• Wall Thermostat Control –Awiredwall
thermostat can be connected to the unit. If it is, the
unit m ust be configured to disable the keypad. S ee
section on wired inputs and unit configuration for
more details.
Electrical Data
3 – 230/208-v, 60 Hz
4 – 265-v, 60 Hz
Cooling Capacity (nominal)
07 – 7,000 Btuh
09 – 9,000 Btuh
12 – 12,000 Btuh
15 – 15,000 Btuh
52 ME – U 12 – – – 3
Series Designation
PTAC (Packaged Terminal Air Conditioner)
Electric Heater Size
U – Universal (defined by power cord)
Performance Series
ME – Cooling with Electric Heat
MQ – Heat Pump
A07053
Fig. 3 – Catalog Number Nomenclature
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