ATC32U02 iGate™ Communicating, Programmable Thermostat Installation Manual 97B0055N03 Rev.: 2/24/14 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 2 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 R e v. : 2 4 F e b . , 2 0 1 4 ClimateMaster’s ATC32U** Communicating, Programmable Thermostat is the perfect compliment to a ClimateMaster Geothermal Heat Pump System and represents a significant advancement in thermostat communicating technology.
AT C 3 2 U 0 2 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 R e v. : 2 4 F e b . , 2 0 1 4 The Auto Changeover Time is the amount of time that elapses before operation switches from heating to cooling mode or from cooling to heating mode. 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.
AT C 3 2 U 0 2 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 R e v. : 2 4 F e b . , 2 0 1 4 The starting mode (heating or cooling) depends on the loop temperature at the time when Demo Mode is entered. The unit will operate in heating or cooling based upon the following algorithm. Start in Cooling Mode Start in Heating Mode 90°F 70°F 50°F Solid lines represent heating operation. Dashed lines represent cooling operation. 1.3.
AT C 3 2 U 0 2 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 R e v. : 2 4 F e b . , 2 0 1 4 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 2 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 R e v. : 2 4 F e b . , 2 0 1 4 3.0 System Configuration Use the System Configuration option on the start-up screen to adjust critical equipment settings. The System Configuration information will be automatically obtained from each communicating control in the system. Note 1: The Airflow Selection menu (section 3.1) will not be present if the connected communicating control system has no blower.
AT C 3 2 U 0 2 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 R e v. : 2 4 F e b . , 2 0 1 4 CAUTION! CAUTION! This is a Commercial option only and does not alter Residential unit operation. OPTION SELECTION MOTORIZED VALVE OFF COMPRESSOR ASCD PREVIOUS 5 NEXT 3.3 UNIT CONFIGURATION Adjust the Unit Configuration settings including Heat Pump Family, Heat Pump Size, Blower Type, and Loop Configuration using the up/down arrow buttons.
AT C 3 2 U 0 2 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 R e v. : 2 4 F e b . , 2 0 1 4 VARIABLE SPD INTERNAL PUMP CONFIGURATION LOOP OPTION PUMP CONTROL SINGLE FIXED HEATING STAGE 1 COOLING STAGE 2 60% 75% COOLING STAGE 1 COOLING STAGE 2 50% 70% PREVIOUS Or SELECT 3.5 VALVE CONFIGURATION Configure temperature differentials at the thermostat for vFlow™ units with a motorized modulating valve.
AT C 3 2 U 0 2 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 R e v. : 2 4 F e b . , 2 0 1 4 3.6.2 MULTI-UNIT OPTION SELECTION In section 3.2, when an installer selects “Option 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. Adjust the Humidifier Reminder settings using the up/down arrow buttons. Press the center button to save changes.
AT C 3 2 U 0 2 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 R e v. : 2 4 F e b . , 2 0 1 4 6.0 Humidity Configuration Configure humidity control settings (dehumidification/ humidification). Adjust the Humidity Control settings using the up/down arrow buttons. Press the center button to save changes. • Dehumidification – This logic will communicate a Dehumidification output when the humidity is greater than the setpoint (acts as a dehumidistat).
AT C 3 2 U 0 2 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 R e v. : 2 4 F e b . , 2 0 1 4 7.5 SMART HEAT STAGING When there is auxiliary heating demand, Smart Heat Staging defines the minimum amount of time to wait before activating auxiliary heating. If you find that the thermostat is operating auxiliary heating equipment too quickly/slowly, this setting allows for adjustment to correct the temperature algorithm. 9.
AT C 3 2 U 0 2 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 R e v. : 2 4 F e b . , 2 0 1 4 NOTE 1: The Pump Status will not be present if the connected communicating control (DXM2) is not configured for Pump (section 3.3). CONTROL CONFIGURATION DIPSWITCH S2 1 2 3 ON \ ACCESSORY 1 ON ACCESSORY 2 ON/ CONTROL DIAGNOSTICS - 1 LT1 TEMP 38.1 LT2 TEMP 79.9 COMP DISCHARGE 157.7 ENTERING WATER 78.5 LEAVING WATER 73.3 HOT WATER EWT 121.5 LEAVING AIR 75.
AT C 3 2 U 0 2 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 R e v. : 2 4 F e b . , 2 0 1 4 FAULT CONDITION MENU FAULT I / O CONDITIONS LT1 LOW WATER TEMP HEAT 1 11:11 AM 11/14 LT1 LOW WATER TEMP HEAT 1 11:11 AM 11/14 TSTAT SAFETY CONV COMM HPS Y1 Y1 LOC Y2 Y2 CO W W O O OUTPT G G FAN H H HWG OVR DH PUMP FAULT TEMP CONDITIONS FAULT FLOW CONDITIONS FAULT I/O CONDITIONS FAULT CONFIG COND FAULT POSSIBLE CAUSES PREVIOUS SELECT CC RV ACC1 ACC2 AL1 EH1 EH2 PREVIOUS 9.4.
AT C 3 2 U 0 2 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 R e v. : 2 4 F e b . , 2 0 1 4 9.6 MULT-UNIT DIAGNOSTICS If multiple units are connected to one thermostat when Manual Operation, Control Diagnostics, or Dipstick Configuration is selected, the service personnel will see a screen to select a specific unit by the last 4 digits of its serial number. 9.
AT C 3 2 U 0 2 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 R e v. : 2 4 F e b . , 2 0 1 4 11.0 Revision History Page # 24 Feb. 14 All Contents Updated from ACD32U01 to ACD32U02 4 Feb. 13 8 Unit Config Section Updated 1 Oct., 12 8-9 1 Oct.
