PECO T8168 Performance Pro Thermostat Installation Guide
340
Keypad Lockout
0- No Key Pad Lockout (Default)
This function blocks access to certain features of the device. The Service Menu is still avail-
able if the key pad lockout is enabled.
1- Disables Schedule and System Keys
If PIN is entered keypad lockout is overridden for 5 minutes.
2 - Disables Schedule, System, And Fan
Keys
3 - Disables All Keys
0=Disable, 1= Enable (Default = 0)
000-999 (Default 000)
1- On
341
342
350
Enable Pin Access
Set Pin
Applies a 3-digit access code to enter service menu 342
Selects pin access three-digit code.
Fan Mode
ON: Fan is always on, regardless of demand.
User selections are: ON HI, ON MED, ON LO based on the number of fan speeds.
2- Auto
Auto- Fan is only on with heating or cooling demand User selections are: AUTO HI, AUTO
MED, AUTO LO based on the number of fan speeds.
3- ON Or Auto (Default)
4 – Staged Only
ON or Auto user can choose either selection. User selections are: AUTO HI, AUTO MED,
AUTO LO, ON HI, ON MED, ON LO based on the number of fan speeds.
Fan speed selected from available speeds by thermostat per Fan Access section. User selec-
tions are: AUTO or ON.
5- On Or Staged - Hotel Mode
ON- Fan is always on at user selected speed, regardless of demand
Auto Staged- Fan cycles off with demand. Fan speed is selected by thermostat from avail-
able fan speeds.
360
375
System Mode
0- Off, Auto
Sets the system modes the occupant is able to select
1- OFF, Heat, Cool, Auto (Default)
2- OFF, Heat, Cool
3- Heat, Cool, Auto
0 = No Flush (Default)
1 = W1 Flush
Hotel operation - For ease of use change available System modes to ON-AUTO
SM360=02
System Flush Enable
!
WARNING: Service Menu 375 may disable fan operation during valve flush.
Enables the flush function for fan coil systems. This feature should be set to 0
(zero) unless outputs are connected to hydronic heating or cooling valves. Failure to
follow this instruction can result in damage to equipment and/or property.
▲
2 = Y1 Flush
3 = W1 & Y1 Flush
1 To 3 Minutes (Default 1)
376
377
Flush Duration
Defines how long to open the valve to perform the flush function
Flush Frequency
0 = Every 24 Hrs (Default 0)
1 = Every 12 Hours
Defines how often the flush is performed when output has remained inactive
2 = Every 6 Hours
380
390
395
Minimum Dead band
Adjustment
3F (Default)
A changeover dead band value prevents short cycling between heating and cooling modes.
The value is adjustable to meet various HVAC system requirements.
1-10F, 1.5-5C
Pre-Occupancy Purge
0 Hours (Default)
0-3 Hours
Energizes the lowest fan available for selected number of hours (0-3) prior to events Occ 1
and Occ 2. This featrure applies to Programmable thermostat operation.
Temporary
Occupied Duration Limit
0-4 Hours (Default = 3)
This set the duration of a user override for programmable operation.
0: Will override the schedule until the next programmed event.
1,2,3,4: Sets the number of allowed hours of override after user adjustment. User can adjust
override duration up to this limit of hours.
480
500
Minimum Off Time
0-10 Minutes (Default 1 Minutes)
Sets the minimum off time for both the heat and cool output.
Programmable/
Intermittent Fan
0- Disable (Default)
1 – Programmable Fan
2 - Intermittent Fan
In programmable mode the fan will operate continuously during occupied periods or with
demand during unoccupied/setback periods. In intermittent fan will operate based on the on
and off times set in menus 501 and 502 whenever there is demand for fan.
3 - Intermittent Fan During Occupied Periods
Only
501
502
520
Intermittent Fan On Time
Intermittent Fan Off Time
Default Display Icons
5 Minutes (Default)
1-60 Minutes
Defines the duration in which fan low will be on. Fan On will be activated after Fan Off time
has passed.
25 Minutes (Default)
0-60 Minutes
Defines the duration in which fan low will be off. Fan Off will be activated after Fan On time
has passed. A selection of 0 will result in continuous Fan.
0- Time, Temp, SP (Default)
1- Time, Temp
Icons that will be displayed in the default state.
NOTE: Setpoint will not be displayed if T8168 System Mode is OFF.
2- Time
3- Temp
4- None
5 - Set Point Only
Displays Current Revision Information
530
Revision
© COPYRIGHT 2025 PECO, INC. ALL RIGHTS RESERVED.
P/N 74599 3220-2406 REV 02
7
| 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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