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© COPYRIGHT 2010 PECO, INC.  ALL RIGHTS RESERVED.   

 

 

 

P/N 70476 3220-2265 REV 00 

1

PerFormance Pro t4000 serIes

InstallatIon GUIDe

warnInG

• 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.

• To avoid potential fi re and/or explosion do not use in potentially fl ammable or 

explosive atmospheres.

• Retain these instructions for future reference. 

• This product, when installed, will be part of an engineered system whose 

specifi cations and performance characteristics are not designed or controlled 

by PECO. Review application and national and local codes to assure that the 

installation will be functional and safe.

!

the Peco

®

 PerFormance Pro

 thermostat

Thank you for choosing a PECO

® 

Performance PRO™ thermostat. The Performance 

PRO T4000 Series is intended for use in residential and commercial environments. It 

is designed for and can support up to 2-HEAT/ 2-COOL confi gurations in conventional 

systems and 3-HEAT/ 2-COOL confi gurations in heat pump applications. The Performance 

PRO also provides the capability to meet the requirements for ASHRAE 90.1-2004 and 

California Building Code Title 24 (2008 edition). 

The Performance PRO T4000 Series is comprised of the T4000 non-programmable 

thermostat models and the T4500 programmable thermostat models. The T4000 Series 

feature a 4 square inch blue backlit display with dynamic menus, accessed using soft 

keys. All Performance PRO T4000 Series offer the following standard features: auto-

changeover, optional remote sensors, occupancy sensor, keypad lockout, a PIN access 

code, a furnace fi lter change reminder, and a heat/cool Demand Indicator. In addition, the 

T4500 programmable models offer: programmability with up to four scheduled events per 

day, temporary override, a 365-day calendar, 20 holidays, and holiday override. 

The T4000 Series can be powered off of 24 VAC or batteries or both (recommended). 

The T4000 Series can control a minimum of 5 outputs, can monitor at least two external 

sensors, and can mount onto any PECO Performance PRO Series backplate.

aPPlIcatIons anD FeatUres

The PECO Performance PRO is intended for use in conventional and heat pump 

applications. 

• System mode selections: Off-Heat-Cool-Auto

• Stages: 1 Heat/1 Cool, 2 Heat/1 Cool, 1 Heat/2 Cool; 2 Heat/ 2 Cool; 3 Heat/ /2 Cool

• Fan control: Cycling (Auto) or Continuous (On); 1 Speed 

• Permanent memory: All device settings are stored in permanent memory 

• Connections for Remote Sensors (indoor and occupancy) 

caUtIon!

• 

24 vac low-voltage thermostat. Do not install on voltages higher than 30 vac. 

• 

Use copper wire only; insulate or cap off (with wire nuts) all unused leads.

• 

Use care to avoid electrostatic discharge to the thermostat.

Front Panel reFerence: t4000/t4500 controls & DIsPlaY

ProDUct sPecIFIcatIons

Temperature Control 

Range: 

 

50° to 90° F (10° to 32° C) 

Differential:   

1° F (0.5°C)

Input Power: 

24 VAC (20-30 VAC) 50/60 Hz (+/- 10%) or AA alkaline batteries 

 

 

(both recommended); 5mm terminals accept 14-24 AWG 

 

 

 

stranded or solid wire.

Operating Temperature: 0° to 120°F (-17° to 48°C)

Shipping Temperature:  -20° to 130°F (-28° to 54°C)

Operating Humidity: 

5% to 95% RH, non-condensing 

Physical Dimensions:  T4000/T4500 Thermostat: 4.3” H x 5.7” W x 1.3”D

 

 

with 2.7” x 1.5” / 4.05 square inch liquid crystal display (LCD)

Output Ratings

Voltage (50/60 Hz): 

20-30 VAC

Current:   

0.02-1.0 A per terminal; W1 (B/O), W2 (AUX), G, A, E, Y1, Y2.

 

 

Note: Collectively, total current draw must not exceed 2.5 A.

InstallatIon InstrUctIons

Select an appropriate thermostat location

Locate the thermostat about four feet (1.2m) above the fl oor on a wall in an area with good 

ventilation and an average temperature, where it will be responsive to changes in room 

temperature. 

The Performance PRO T4000 Series may be mounted on a: 

• Horizontal or vertical 2” X 4” device box 

• Horizontal 4” X 4” device box 

• Flat surface 

Do 

not

 locate the thermostat where it can be affected by: 

• Direct sunlight

• Drafts or dead areas behind doors

• Radiant heat from appliances

• Concealed pipes or chimneys

• Outside walls/ or unheated areas 

Required components (not included, unless otherwise specifi ed):

• Two new AA batteries (included)

• Screws and wall anchors (included)

• Screwdrivers: Phillips (for wallplate); small fl athead (for terminal blocks)

• Drill with 3/16” drill bit (or 7/32” for plaster)

• Wirecutter and stripper

• Level

• T4000/ T4500 Performance PRO Thermostat (included)

• PECO Performance PRO T4000 Series Operating Manual (included)

!

Digital display with backlight

Override key

Keypad Lockout, 

Battery Indicator, 

Service Indicator

System mode

System key

Temperature 

(indoor)

Current day

Up and Down 

keys 

▲/ ▼

 

Fan key

More key

Current time
Demand 

Indicator

Fan (On/Auto)
Recovery mode

Setpoint 

temperature

Figure 1. T4000/T4500 

Thermostat (Home Display)

Mounting holes

Mounting holes

Figure 2. T4000/ T4500 Thermostat back 

view (with wallplate attached) 

Wiring passage

Summary of Contents for Perfomance PRO T4500

Page 1: ...nd heat pump applications System mode selections Off Heat Cool Auto Stages 1 Heat 1 Cool 2 Heat 1 Cool 1 Heat 2 Cool 2 Heat 2 Cool 3 Heat 2 Cool Fan control Cycling Auto or Continuous On 1 Speed Permanent memory All device settings are stored in permanent memory Connections for Remote Sensors indoor and occupancy caUtIon 24 vac low voltage thermostat Do not install on voltages higher than 30 vac U...

Page 2: ... side 24 VAC sc Sensor Common sc Sensor Common s1 Indoor Remote Sensor s1 Indoor Remote Sensor System Type 1 1H 1C Conventional System Type 2 1H 1C Heat Pump TERM Function TERM Function C Common C Common W1 Heat B O Reversing Valve W2 AUX G Fan G Fan A A E E Y1 Cool Y1 Compressor Y2 Y2 RH Power for Heating RH Power for Heating RC Power for Cooling RC Power for Cooling System Type 3 Heat only witho...

Page 3: ...allplate Assure that the metal jumper connects RC and RH Connect power side to the RC RH and assure that the jumper remains in place two transformer system The T4000 T4500 is shipped with a jumper connecting terminals RH and RC If the heating and cooling equipment do not use separate transformers leave this jumper in place If separate transformers are required remove this jumper With the jumper re...

Page 4: ...wIth sYstem tests System test verification is highly recommended to verify thermostat operation Follow at least one procedure in the system tests below Refer to the Service Menus see Table 2 for more tests For all tests press next to continue to the following system test which is the next available Service Menu Press Done only if finished performing all system tests Pressing Done exits the Service...

Page 5: ...ostat press the lower left and lower right keys simultaneously for about five seconds Next Go Back and Done appear see Fig 14 2 Press Next until Service Menu 341 Enable Disable PIN Access appears in the display Default value 00 appears below Service Menu 3 In Service Menu 341 press to change digit flashing value to 01 see Fig 14 note selecting 01 enables PIn access for the thermostat service menus...

Page 6: ...ntrols heating fan 130 Changeover valve B O terminal 0 1 0 0 B O terminal controls valve in cooling 1 B O terminal controls valve in heating 140 Auxiliary Heat 0 1 0 0 Electric backup heat 1 Fossil fuel backup heat 150 Backlight 0 1 0 0 Backlight temporarily on 1 Backlight always on low intensity 24V only 170 Remote Sensor 0 1 0 Select sensor if used connected to the S1 Terminal Contact PECO for m...

Page 7: ...eduled event 1 1 Hour 2 2 Hours 3 3 Hours 4 4 Hours 400 Cycles Per Hour CPH Cooling Stage 1 0 6 CPH 3 CPH Defines the number of cycles per hour for cooling Stage 1 Select 0 to enable ON OFF control for Stage 1 cooling 410 Cycles Per Hour CPH Cooling Stage 2 0 6 CPH 3 CPH Defines the number of cycles per hour for cooling Stage 2 Select 0 to enable ON OFF control for Stage 2 cooling 420 Cycles Per H...

Page 8: ...Disable 1 Enable Note Press Done key to complete process 600 System Test Main Output Cool 0 2 0 Select an option to activate the fan output for 10 minutes select 0 Done or a different Service Menu to disable 0 Disable Default 1 Cool Stage 1 2 Cool Stage 2 610 System Test Main Output Heat 0 3 0 Select an option to activate the fan output for 10 minutes select 0 Done or a different Service Menu to d...

Page 9: ...resent check wire connection between the heating equipment and the thermostat If Demand Indicator light is red Heating is occurring No action is required If Demand Indicator light is green Cooling is occurring No action is required If Demand Indicator light is flashing An error has occurred Remote sensor may be malfunctioning Check remote sensor wiring Verify that the sensor s are PECO supported p...

Page 10: ...Unt Peco InDoor remote zone sensor sP155 017 warnInG READ THESE INSTRUCTIONS CAREFULLY BEFORE ATTEMPTING TO INSTALL OPERATE OR SERVICE THIS SENSOR 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 and use only wiring with insulation rated...

Page 11: ...sor maXImUm lenGth anD wIre sIze Distance from Unit to control recommended wire size 000 150 feet 22 gauge 151 240 feet 20 gauge 241 385 feet 18 gauge 386 610 feet 16 gauge 611 970 feet 14 gauge wIrInG 1 run wires Run wires between the thermostat wallplate and the Zone Sensor subbase 2 connect wires Connect the wiring to the terminals S1 and SC at the thermostat wallplate see Fig 22 note See TABLE...

Page 12: ...or message If the Indoor Remote Zone Sensor is not connected properly check the following Make sure sensor is wired properly and connected to terminals S1 and SC on the thermostat wallplate see Table 1 Terminal Designations and System Types If using multiple sensors make sure wiring follows diagrams in Sensor Wiring for Temperature Averaging Make sure to select 01 in Service Menu 170 Figure 25 The...

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