ATC32U01A Communicating, Programmable Thermostat Installation Manual 97B0055N07 Created: 10/1/12 Caution: These instructions are intended to be used by the installer or service personnel. End users are NOT advised to change or modify any of these settings. Doing so may cause the equipment to stop working properly and/or may void the warranty on both the thermostat and the equipment. Table of Contents Section 1.0 2.0 2.1 2.2 3.0 3.1 3.2 3.3 3.4 3.5 3.6 4.0 4.1 4.2 4.
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AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 The ATC32U** Communicating, Programmable Thermostat is the perfect compliment to a Geothermal Heat Pump System and represents a significant advancement in thermostat communicating technology. For homeowners, the ATC32U** provides highly customizable climate control features designed to maximize comfort and reduce the amount of energy consumed by the Geothermal Heat Pump System.
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 1.0 User Menu Settings 1.1 OFFSETS If you find that the temperature displayed on the thermostat does not accurately represent the room temperature where the thermostat is located, this offset function compensates for the difference. The thermostat will apply an offset between what temperature the thermostat is measuring versus the temperature that is displayed. 1.1.
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 1.4 DEMO MODE Demo mode is designed to showcase heat pump operation when the unit is connected to an above ground water loop with the supply air being blown directly over the water loop. 1.4.3 EXITING DEMO MODE To exit demo mode, remove power to the thermostat. 1.4.
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 2.0 Installer Menu Settings 2.1 INSTALLER MENU SETTINGS ACCESS The Installer Settings can be accessed at any time from the Main Operating screen by holding the up/down arrows simultaneously for 5 seconds while the thermostat is in OFF Mode. 2.2.1 STAGING Adjust the staging option using the up/down arrow buttons. Press the center button to save changes.
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 2.2.3 PROGRAMMING Adjust the Programming options using the up/down arrow buttons. Press the center button to save changes. • Programmable (default) – enables 7-day programming • Non-Programmable – disables 7-day programming • Night Setback – enables night setback programming NOTE: When the thermostat is configured for nonprogrammable mode, the Display Date and Time setting defaults to NO.
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 • Compressor ASCD (Anti-Short Cycle Delay) (default stored in control) – valid range: 5 to 8 (in 1 minute increments) UNIT CONFIGURATION CURRENT CONFIG HEAT PUMP FAMILY NOTE 1: The Compressor Anti-Short Cycle Delay setting provides equipment protection by forcing the compressor to wait a few minutes before restarting.
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 VARIABLE SPD INTERNAL PUMP CONFIGURATION PUMP CONTROL FIXED HEATING STAGE 1 COOLING STAGE 2 60% 75% COOLING STAGE 1 COOLING STAGE 2 50% 70% 3.5.1 MODULATING VALVE OFF POSITION Click Next from section 3.5 to select the off position value for the modulating valve. NOTE: For certain commercial multi-unit applications, the modulating valve can be kept slightly open by choosing values 3.
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 3.6.1 MULTI-UNIT AIRFLOW SELECTION In section 3.1, when an installer selects “Airflow Selection” from the System Configuration menu, the installer may choose the unit to configure by the last 4 digits of its serial number from the following screen. AIRFLOW SELECTION 4.
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 Adjust the Air Cleaner Reminder settings using the up/down arrow buttons. Press the center button to save changes. • Cumulative Run Time (default Off) – valid range: Off, 400 to 3600 hours (in 100 hour increments) • Calendar Time (default Off) – valid range: Off, 3 to 24 months (in 3 month increments) 5.
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 9.2 CONTROL DIAGNOSTICS Control Diagnostics mode allows the service personnel to view the status of all physical inputs, switches, temperature sensor readings, as well as the operational status of the pump at the thermostat. 9.0 Service Mode SERVICE MODE MANUAL OPERATION CONTROL DIAGNOSTICS Navigate between diagnostic screens using the left/right arrow buttons.
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 9.3 DIPSWITCH CONFIGURATION Dipswitch Configuration mode allows the service personnel to view the status of all dipswitch settings for the connected communicating control (DXM2/AXM) at the thermostat. 9.4 FAULT HISTORY Fault History mode displays the five most recent stored fault codes for the connected communicating control (DXM2).
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 9.4.2 Flow Conditions Displays detailed blower and pump speed / valve position readings that were recorded at the time the fault occurred. NOTE: If multiple units are connected to one thermostat, refer to section 9.7. FAULT FLOW CONDITIONS 9.4.5 Possible Causes Possible causes as to why the fault occurred NOTE: If multiple units are connected to one thermostat, refer to section 9.7.
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 CONTROL DIAGNOSTICS YF024 YF024 YF036 SN-----1234 SN-----5678 SN-----9012 PREVIOUS SELECT 9.7 MULT-UNIT FAULT INFO When multiple units are connected to one thermostat, UNLIKE Mult-Unit Diagnostics, the service personnel views each units’ fault information by selecting the next option.
AT C 3 2 U 0 1 A C o m m u n i c a t i n g , P r o g r a m m a b l e T h e r m o s t a t - I O M Created: 1 Oct., 2012 11.0 Revision History Page # 1 Oct., 12 All Description First Published R AI BR I HE AT P U M P S A TO NE WATER TO IFIED TO ARI A RT S C CE NG WITH LYI MP O IR MANUFACT UR ER Date IS ST AND 3 ARD 1 ISO 9001:2008 Certified -1 R O 6 25 Quality: First & Always 7300 S.W.
