PECO T8168B-2 BACnet Proportional Thermostat Installation Guide
300
310
Range High
Setback Low
50-90 F (90F Default)
The highest selectable temperature setpoint value
Off, 50-90 F (67F Default)
Accessed from Wi-Fi or by occupancy sensor detection.
“Off” turns heating setpoint off.
320
330
340
Setback High
Off, 50-90 F (78F Default)
+/-9F (0F Default)
Accessed from Wi-Fi or by occupancy sensor detection.
“Off” turns cooling setpoint off.
Zone Temp Offset
Keypad Lockout
Zone Temperature offset adjusts the sensed Zone Temperature displayed, allowing calibra-
tion in the field
0- No Key Pad Lockout (Default)
1- Disables Schedule and System Keys
2 - Disables Schedule, System, And Fan Keys
3 - Disables All Keys
This function blocks access to certain features of the device. The Service Menu is still
available if the key pad lockout is enabled.
If PIN is entered keypad lockout is overridden for 5 minutes.
341
342
350
Enable Pin Access
Set Pin
0=Disable, 1= Enable (Default = 0)
000-999 (Default 000)
Applies a 3-digit access code to enter service menu 342
Selects pin access three-digit code.
Fan Mode
1- On
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
selections 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
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
0 Hours (Default)
0-3 Hours
Pre-Occupancy Purge
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.
This feature is disabled for 0-10 VDC proportional fan applications.
395
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.
This feature is disabled for 0-10 VDC proportional fan applications.
3 - Intermittent Fan During Occupied Periods
Only
501
502
Intermittent Fan On Time
Intermittent Fan Off Time
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.
© COPYRIGHT 2024 PECO, INC. ALL RIGHTS RESERVED.
P/N 74599 3220-2406 REV 00
6
| General | Details |
|---|---|
| Name | PECO T8168B-2 BACnet Proportional Thermostat Installation Guide |
| Make | PECO |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.42 MB |
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