PECO T8168 Performance Pro Thermostat Installation Guide
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T8168B-2 BACnet® INSTALLATION GUIDE
THE PECO PERFORMANCE PRO™ T8168 THERMOSTAT
!
WARNING
▲
Thank you for choosing a PECO® Performance PRO™ T8168. The T8168 ther-
mostat is intended for commercial and residential enviroments. It supports both
programmable and non-programmable operation.
• READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING TO
INSTALL, OPERATE OR SERVICE THIS THERMOSTAT.
• Failure to observe safety information and comply with instructions could
result in PERSONAL INJURY, DEATH AND/OR PROPERTY DAMAGE.
• To avoid electrical shock or damage to equipment, disconnect power
before installing or servicing and use only wiring with insulation rated for full
thermostat operating voltage.
Key features include: auto-changeover; optional remote sensor; three levels of
keypad lockout with optional PIN access code; a heat/cool Demand Indicator;
up to four scheduled events per day, a 365-day calendar, 20 holidays, holiday
override and temporary override.
Applications
• Use care to avoid electrostatic discharge.
• To avoid potential fire and/or explosion do not use in potentially flammable
or explosive atmospheres.
The PECO® Performance PRO™ T8168 applications include fan coil, PTAC and
conventional system with a single, multi speed or 0-10 VDC Fan.
System Mode Selections: Off-Heat-Cool-Auto
ON-OFF Heat/Cool Outputs: Up to 2 Heat, 2 Cool
Proportional Heat/Cool Outputs: Three Wire Floating or 0-10 VDC Control
Fan Control: Cycling (Auto) or Continuous (On); Up to 3 Speeds or Staged
Permanent Memory: All device settings are stored in permanent memory.
Optional Connections: Remote Sensor, Pipe Sensor, Fault Detection and Setback
• Retain these instructions for future reference.
• This product, when installed, will be part of an engineered system whose
specifications and performance characteristics are not designed or
controlled by PECO® . Review applications and national and local codes to
assure that the installation will be functional and safe.
TECHNICAL SPECIFICATIONS
• WARNING: Disconnect power before beginning installation.
!
Temperature Control Range: 50° to 90° F (10° to 32° C)
Differential: 1° F (0.5°C)
▲
• CAUTION: Use copper wire only
Input Power: 24 VAC (20-30 VAC) 50/60 Hz (+/- 10%)
Terminal Connections: 14-24 AWG stranded or solid wire
Operating Temperature: 0° to 120°F (-18° to 49°C)
Shipping/Storage Temperature: -20° to 130°F (-29° to 54°C)
Operating Humidity: 5% to 95% RH, non-condensing
Physical Dimensions: 4.3” H x 5.7” W x 1.3”D
Proportional Output Band Width: 2°F (1°C)
RATINGS
Outputs: Y1, Y2, W1, W2, G, G1
24 VAC (20-30 VAC); 50/60 Hz
10 VA
Outputs: WD, GD, YD
Proportional Stroke Time Default: 2 Minutes (Configurable)
0-10 VDC: Loads must be 1.2K ohms minimum
4-20 mA: Loads must be 600 ohms maximum
This thermostat uses triacs switching for accuracy and quiet operation.
!
CAUTION!
▲
• 24 VAC low-voltage thermostat.
• Do not install on voltages higher than 30 VAC.
• Use copper wire only
• Use care to avoid electrostatic discharge to the thermostat.
System Operation
SM 110
Service
Menu
1
2
3
4
5
6
7
8
9
10
11
12
13
1
4
15
16
Heat
TWF
1 Cool
2 Fan
TWF
Heat
1 Cool
3 Fan
TWF
Cool
1 Heat
2 Fan
1 Heat
1 Cool
1 Fan
2 Heat
1 Cool
1 Fan
1 Heat
1 Cool
3 Fan
2 Heat
1 Cool
3 Fan
2 Heat
2 Cool
2 Fan
Heat
Only
1 Fan
Cool
Only
1 Fan
Heat
Only
2 Fan
Cool
Only
2 Fan
Heat
Only
3 Fan
Cool
Only
3 Fan
TWF Heat
TWF Cool
2 Fan
0-10
VDC
Only
SYSTEM
TYPE
Cool
Open
Cool
Open
Y1
W1
Y2
Cool 1
Cool 1
Heat 1
-
Cool 1
Heat 1
Cool 1
Heat 1
Cool 1
Heat 1
COOL 2
Heat 2
-
Cool 1
-
Cool 1
-
Cool 1
-
Cool 1
Cool 1
-
-
Heat
Open
Heat
Open
Heat
Open
Heat 1
Heat 1
-
-
Cool 2
-
Heat 1
-
-
Cool 2
-
Heat 1
Heat 1
FAN
MED
FAN
MED
FAN
MED
FAN
MED
FAN
MED
Cool
Close
Cool
Close
-
-
Cool2
-
Heat
Close
Heat
Close
Heat
Close
W2
Heat 2
-
Heat 2
Heat 2
Heat 2
Heat 2
-
Heat 2
-
G
FAN
FAN
FAN HI
FAN HI
FAN HI
FAN
FAN
FAN HI
FAN HI
FAN HI
FAN HI
FAN HI
FAN HI
FAN HI
FAN HI
-
G1
Damper
Damper
FAN LO
FAN LO
FAN LO
Damper
Damper
FAN LO
FAN LO
FAN LO
FAN LO
FAN LO
FAN LO
FAN LO
FAN LO
Damper
YD
Cool 1
Heat 1
Cool 1
Heat 1
Cool 1
Heat 1
Cool 1
Heat 1
Cool 1
Heat 1
-
Cool 1
-
-
Cool 1
-
-
Cool 1
-
Cool 1
Heat 1
Cool 1
Heat 1
Cool 1
Heat 1
Cool 1
Heat 1
Cool 1
Heat 1
WD
Heat 1
Heat 1
Heat 1
• When System Fan Type (SM112) is set to 1 or 2 (0-10 VDC operation), the GD output is the only fan oputput and G1 provides Damper operation.
• When Fan Coil 2-Pipe operation is selected the W1 and WD outputs will be disabled. See SM 171.
© COPYRIGHT 2025 PECO, INC. ALL RIGHTS RESERVED.
P/N 74599 3220-2406 REV 02
1
| 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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