Ata22U01 - ClimateMaster ATM11C11 Submittal Data

Fan: turns
continuous fan
OFF or ON
3.30 in
[83.8mm]
0.8 in Depth
[20.3mm]
Mounting:
Application:
The ATA22U01 electronic thermostat provides two-stage,
non-programmable temperature control for 24V water-
source heat pump systems.
Features:
• Heat-Off-Cool-Em Heat-Auto System selections.
• Fan-On-Auto selections.
• °F or °C temperature display.
• Configurable automatic or manual changeover
operation.
• Light emitting diode (LED) for alarm status.
• Installer setup options allow for customized
applications.
• Zero temperature droop performance.
• Temperature display adjustment feature provides
display offset for custom applications.
• Setpoints are permanently held in memory (no
batteries used) and retained during power outages.
ClimateMaster works continually to improve its products. As a result, the design and specifi cations of each product at the time of order may be changed without notice and may not be as described herein. Please contact ClimateMaster's Customer
Service Department at 1-405-745-6000 for specifi c information on the current design and specifi cations. Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties,
but are merely ClimateMaster's opinion or commendation of its products. The latest version of this document is available at climatemaster.com.
LC204 - 5
Thermostat Submittal Data
4.55 in
[115.6mm]
Temperature
increase /
decrease
Fault Light
Mode: Selects system mode -
OFF, HEAT, COOL, EMHEAT,
or AUTO
Rev.: 28 February, 2013
Two Heat / Two Cool
Manual / Auto Changeover
Non-Programmable
Features (cont.):
• Extended fan operation feature can be used to
operate fan for 90 seconds after "Y" turns off.
• Setup feature allows either "current room temp" or
the "current setpoint" to be displayed.
• Optional safety setpoints ensure that heating and
cooling will occur even if thermostat is in "Off" mode.
• Backplate wiring for easy installation.
• Automatic fan staging (when used with DXM board
and direct drive motor).
Specifi cations:
Electrical Rating:
• Input Power: 18 to 30 Vac, 50/60 Hz.
Temperature Settings:
• Setpoint Range: 50°F to 90°F [10°C to 32°C].
• The default setpoint for heating is 70°F [21°C] and for
cooling is 74°F [23°C]. Press the
the setting. To change between heat and
cool settings, press the mode key until the setting to
be changed appears.
Display Range:
• Display Updates: Updated every 12 seconds.
• Differential (autochangeover model): 3°F [1.5°C]
minimum.
Output Ratings:
• Maximum current for each output is 1 Amp.
Wiring:
Note 2: Connect "W/Y2" thermostat output to "Y2" on the DXM if thermostat "Y2" option i
configured as "Y2 - On" and the desired operation is for 2 stages of compressor with no
electric heat. Connect "W/Y2" thermostat output to "W1" on the DXM if thermostat "Y2"
option is configured as "Y2 - Of f" and the desired operation is for 1 stage of compressor
with electric heat for Heating Stage 2.
Eng/I-P

ATA22U01

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