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AHD025B
Step 1: Follow instructions for a 4-Pipe installation but using Figure C for 2-Pipe Fan Coil with Aquastat or Figure D for 2-Pipe
Fan Coil with Electric Heat.
Step 2: Push wires into junction box. Rest bottom of thermostat on mounting tabs in mounting plate. Push top of thermostat
towards wall and secure into place with self-tapping screw (included).
Step 3: Turn power On.
Programming the Radio Receiver
The thermostat can be configured to operate with many ILLUMRA transmitters. Depending on the transmitter type and the intended
application, the thermostat will need to be programmed to operate in Rocker Mode, Momentary Mode, Toggle Mode, or Scene Mode.
Multiple modes can be used with one thermostat. For transmitter installation instructions, see appropriate installation guide. Select the
desired Learn Mode below to program the thermostat.
CLEAR MODE:
Clearing the Switch Memory
In order the clear the switch memory within the thermostat, use the following steps:
Step 1: Press and hold the UP and DOWN butttons until CLR appears on the display (approximately 10 seconds). This will delete
all associated transmitters from the memory.
LEARN MODE 0:
Rocker Mode - Wireless Switch Control of Thermostat
Rocker Mode is usually used with ILLUMRA Wireless Light Switches. The thermostat goes into occupied mode when the top of the
rocker switch is pressed and unoccupied mode when the bottom of the rocker switch is pressed.
Step 1: Place the thermostat into Learn Mode by pressing and holding the UP and DOWN butttons until LRN appears on the
display (approx. 5 seconds). The display will alternate between LRN and 0 indicating that it is in Learn Mode 0 - Rocker
Mode.
Step 2: Press one of the rockers on the ILLUMRA Wireless Light Switch. The display on the thermostat will briefly display ADD
indicating that it has added that transmitter.
Step 3: The display will resume alternating between LRN and 0 - add more transmitters as desired for this mode (up to 30). The
small digit on the display will indicate the number of receivers in memory for each mode.
Step 4: To delete a transmitter from the thermostat, press the wireless light switch again. The display on the thermostat will briefly
display DEL indicating that it has deleted that transmitter.
Step 5: Exit Learn Mode by pressing and holding the UP and DOWN buttons until LOC appears on the display or wait 30
seconds to normal operating mode. This indicates that all learned transmitters have been locked into memory on the
thermostat.
NOTE: These steps are also used for Manual On/Auto Off - when learning a wireless occupancy sensor.
LEARN MODE 1:
Momentary Mode - Keycard Switch Control of Thermostat
Momentary Mode is used with ILLUMRA Wireless Key Card Switches. The thermostat will be in occupied mode when the key card is
inserted and unoccupied when the key card is removed.
Step 1: Place the thermostat into Learn Mode by pressing and holding the UP and DOWN butttons until LRN appears on the
display. The display will alternate between LRN and 0 indicating that it is in Learn Mode 0.
Step 2: Press and release the UP button. The display will alternate between LRN and 1, indicating that it is in Learn Mode 1
- Momentary Mode.
Step 3: Insert a key card into an ILLUMRA Key Card Access Switch. The display on the thermostat will briefly display ADD
indicating that it has added that transmitter.
Step 4: The display will resume alternating between LRN and 1 - add more transmitters as desired for this mode.
Step 5: To delete a transmitter from the thermostat, remove the key card (if inserted) of a learned switch and insert it again. The
display on the thermostat will briefly display DEL indicating that it has deleted that transmitter from memory.
Step 6: Exit Learn Mode by pressing and holding the UP and DOWN buttons until LOC appears on the display or wait 30
seconds to normal operating mode. This indicates that all learned transmitters have been locked into memory on the
thermostat.
NOTE: These steps are also used for Auto On/Auto Off - Occupancy Sensor Control.
LEARN MODE 2:
Toggle Mode
Toggle Mode is available for future product releases.
Step 1: Place the thermostat into Learn Mode by pressing and holding the UP and DOWN butttons until LRN appears on the
display. The display will alternate between LRN and 0 indicating that it is in Learn Mode 0.
Step 2: Press and release the UP button. The display will alternate between LRN and 1, indicating that it is in Learn Mode 1
- Momentary Mode.
Step 3: Press and release the UP button. The display will alternate between LRN and 2, indicating that it is in Learn Mode 2
- Toggle Mode.
Step 4: Press the transmit button on the desired transmitter. The display on the thermostat will briefly display ADD indicating
that it has added that transmitter.
Step 5: The display will resume alternating between LRN and 2 - add more transmitters as desired for this mode.
Step 6: To delete a transmitter from the thermostat, press the learned transmit button again. The display on the thermostat will
briefly display DEL indicating that it has deleted that transmitter.
Step 7: Exit Learn Mode by pressing and holding the UP and DOWN buttons until LOC appears on the display or wait 30
seconds to normal operating mode. This indicates that all learned transmitters have been locked into memory on the
thermostat.
LEARN MODE 3:
Scene Mode - For Future Product Releases
Specifications
E3X-T02-U2W
50 to 150 feet (typical)
315 MHz
24 VAC
1.5 amp/circuit
32.0°F to 99.9°F (0.0°C to 37.7°C)
60°F to 85°F (15.5°C to 29.5°C)
14°F to 131°F (-10°C to 55°C)
-4°F to 131°F (-20°C to 55°C)
Every 5 seconds
Liquid Crystal Display (LCD)
Selectable: Auto Cycle, Low, Medium, High, Economy, Off
Stores up to 30 switch IDs
+/- 1°F (0.5°C)
1 Heat and 1 Cool circuit, Heat pump reversing valve circuit
3.5 x 5.0 x 1.5 inches
FCC (U.S. SZV-TCM2XXC), IC (Canada 5713A-TCM2XXC)
Range
Frequency
Input Voltage
Max Loads
Temperature Monitor Range
Temperature Set Point Range
Operating Temperature
Storage Temperature
Sampling Rate
Display Format
Fan Control
Memory
Accuracy
Heat/Cool Control
Dimensions
Radio Certifications
Warranty
Please refer to www.ILLUMRA.com for updated warranty information
