PECO T8168 Performance Pro Thermostat Installation Guide
540
600
Factory Default Reset
0- Disable (Default)
When enable is selected he device will return to factory default settings.
1- Enable
Cooling System Output
Test
0- Disable (Default)
Cool Operation is enabled and the associated output based on Service Menu 110. The
output is activated for 10 minutes. The 24VAC and 0-10 VDC Fan output will automatically
turn on.
1- Stage 1 Cooling/ Y1 and YD
2 – Stage 2 Cooling/ Y1, Y2 and YD
0- Disable (Default)
610
620
Heating System Output
Test
Heat Operation is enabled and the associated output based on Service Menu 110. The
output is activated for 10 minutes. The 24VAC and 0-10 VDC Fan outputs will automatically
turn on.
1- Stage 1 Heating/ W1 and WD
2 – Stage 2 Heating/ W1, W2 and WD
0- Disable (Default)
Fan System Output Test
If enabled is selected it will activate Based On Service Menu 110. The output will be enabled
for 10 minutes.
1- Enable Fan HI Outputs/ G and GD
2 – Enable Fan LO Outputs/ G1 and GD
3 - Enable Fan MED Outputs/ Y2 and GD
4 – Enable GD High Fan
5 – Enable GD MED Fan
910
920
IP Address
Displays Current IP Address
Requires Thermsotat Configuration
Thermostat will show “000”, if unconfigured.
On entry, the BACnet IP address will be displayed in 4 sets of 3 digits. The UP arrow is used
to cycle through the IP segments. All leading zeros are removed.
Example:First IP segment displayed: 192, Press “UP”
Second IP segment displayed: 010, Press “UP”
Third IP segment displayed: 128, Press “UP”
Fourth IP segment displayed: 001
The IP Address in this example is “192.10.128.1”
MSTP Address
Displays current MSTP address.
Requires Thermsotat Configuration
On entry, the BACnet MSTP address is displayed. If unconfigured is will show”000”
930
950
Device ID
Displays Current Device ID
Set to 1
Displays 2 set of 2 digits using UP and DN arrows.
Wi-Fi Reset
Unit enters AP Mode and broadcasts SSID “T8168XXXX”
TROUBLESHOOTING & FREQUENTLY ASKED QUESTIONS
Symptom
Potential Cause(s)
Solution
If display screen is blank
• Thermostat is not being powered
• Check to assure proper wiring of power to (24 VAC-1) and (24 VAC-2) .
• Check power to verify that there is 24 VAC available.
• Default Display is set to “4” (None)
• Keypad Lockout may be enabled
• Check Service Menu 520.
If keys do not allow manual entry
Service Menu does not display
• Access Service Menu 340. Within this menu, select option “0” to assure
there is no keypad lockout (so manual entry is enabled).
• PIN access is enabled
• Buttons were not pressed simultaneously
• Access requires the three digit code set by the installer.
• Wait for unit to return to default display and retry.
Err In Clock Dispay
Door in Clock Display
Fdd in Clock Display
• Indicates a service fault input
• Indicates service is required. See SM 175
• Close door and /or window to clear fault.
• Indicates service is required. See SM 175
• Door or window is open
• Indicate an economizer or other system fault
If no heating or cooling is running, but there is a call
for heat or cool (Heat/Cool appears on display) in
Auto mode
• Heating or cooling equipment is not operating
• Minimum off time has not been met
• Check Service Menu 110 to assure that the correct option is selected to
match the system type.
• Check wiring, using output tests to verify (see Service Menus 600, 610,
620).
If heating or cooling system doesn’t respond
• System type selection is incorrect
• System type selection is incorrect
• Check Service Menus 110 and 120 to assure that the correct option is
selected to match the system type.
If heating and cooling equipment are running at the
same time
• Check Service Menu 110 to assure that the correct option to match the
system type is selected.
• Verify wiring connections
• Separate the heating and cooling wires, using output tests to verify (see
Service Menus 600, 610, 620).
If Demand Indicator light is red
• Heating is occurring
• No action is required.
• No action is required.
If Demand Indicator light is green
Fan outputs turned off after 3-minutes
• Cooling system is running
• Pipe sensor is connected and water
temperarture between hot and cold set points
• Building Boiler or Chillers may be turned off.
• See Service Menus 171, 172, 173 & 174
Menu Item Not available
• Some service menus are disabled when not in
use or feature is not available.
• Verify system type selection and feature selection is correct.
Red LED is Flashing and code is in clock location
• Fault is present on SC and S1 input
• Check SM175 for code
• If using a remote sensor, verify probe wiring.
© COPYRIGHT 2025 PECO, INC. ALL RIGHTS RESERVED.
P/N 74599 3220-2406 REV 02
8
| General | Details |
|---|---|
| Name | PECO T8168 Performance Pro Thermostat Installation Guide |
| Make | PECO |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.47 MB |
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