Peco Performance Pro T4900 School Installation Manual Download Page 11

© COPYRIGHT 2011 PECO, INC.  ALL RIGHTS RESERVED.   

 

 

 

P/N 70568 3220-2287 REV 00

11

locate & moUnt Peco InDoor remote sensor 

(sP 155-017)

InstallatIon 

1. 

mounting location. 

Choose a location on an interior wall near the air return grille, 

about fi ve feet (1.5 m) above fl oor level, where air circulation is good and temperature 

is average for the zone. 

avoid

 mounting the Indoor Remote Sensor in areas such as: 

• Behind doors

• On outside walls, or any walls with unheated or uncooled areas behind the sensor

• In direct sunlight, or near any source of radiant heat that could affect the 

temperature measurements

• In line with the discharge air from the unit being controlled. 

2.  mount subbase.

 Remove Sensor cover from the subbase, and mount subbase on 

the wall or in a 2” X 4” device box. Route the wires through the wire access hole in the 

subbase (see Fig. 22). Seal the hole in the wall behind the subbase. 

wIrInG

1. 

run wires. 

Run wires between the unit control panel and the Sensor subbase. 

2. 

connect wires. 

Connect the wiring to the terminals at the thermostat wallplate (S1 and 

SC) See Fig. 23, below. 

Note: See Table 1 for terminal designations for the Indoor Remote Sensor.

3. 

replace cover. 

Place Sensor cover back on the subbase, and snap it securely into 

place.  

4. 

Go to service menu 170.

 Select option “01”  to enable the Indoor Sensor (see Fig.24). 

▲ 

!

 

caUtIon

: Keep wires separate and routed away from any source of 

noise such as motors, fl uorescent lights, and other wiring.

Figure 24.  

Service Menu 

170 allows the 

user to enable 

the Indoor 

Remote Zone  

Sensor. 

Figure 22. 

Mounting the 

SP155-017

Indoor Remote 

Zone Sensor.

Device box mounting

Wall mounting

Terminal S1

Terminal SC

Figure 23. 

Wiring terminal 

designations for 

SP155-017

Indoor Remote 

Zone Sensor.

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 for full sensor operating voltage.

• 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 applications and national and local codes to assure that the 

installation will be functional and safe.

• Do not run low-voltage control wiring in the same conduit with high-voltage wiring. 

• Use in indoor applications only.

!

Figure 20. 

SP 155-017 

Indoor 

Remote Zone 

Sensor,

front and side 

view.

Figure 21. 

SP155-017 

Indoor Remote

Zone Sensor, 

back view with 

mounting holes.

Summary of Contents for Performance Pro T4900 School

Page 1: ...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 0Aper terminal W1 B O W2 AUX G A E Y1 Y2 Note Collectively total current draw mus...

Page 2: ...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 Economizer Damper A Economizer Damper E E Y1 Cool Y1 Co...

Page 3: ...r removed connect RC to the power side of the cooling transformer Connect RH to the power side of the heating transformer then connect both the heating and cooling commons together to terminal C Commo...

Page 4: ...or the system type 4 Press Done to complete the system test and exit the Service Menus After verifying the system test the outputs are disabled and the fan will stop optional the user may perform addi...

Page 5: ...ntrols 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...

Page 6: ...hest selectable temperature setpoint value Only available with Performance PRO settings see SM 100 302 Teacher Key Heat Setpoint Increase 0 10 F 3 F Sets number of degrees that teacher can increase th...

Page 7: ...ts the duration that a temporary hold can be set The temporary hold is limited by the maximum amount of time as defined in this Service Menu 0 Remainder of time until the next scheduled event 1 1 Hour...

Page 8: ...491 becomes available 0 Disabled 1 Dehumidify Control 2 Humidify Control 3 Dehumidify and Humidify Control 491 Humidity Deadband 10 50 30 relative humidity RH Selects the deadband in RH between the hu...

Page 9: ...e Menus are properly configured the thermostat requires the user to enter a PIN access code to enter the Service Menus 1 On the thermostat press the lower left and lower right keys simultaneously for...

Page 10: ...2 Sensor The T4900 can be configured for demand controlled ventilation by using a PECO SC500 CO2 Sensor see Service Menu 170 For installation of the CO2 Sensor please see the PECO SC500 CO2 Sensor Ins...

Page 11: ...y into place 4 Go to service menu 170 Select option 01 to enable the Indoor Sensor see Fig 24 caUtIon Keep wires separate and routed away from any source of noise such as motors fluorescent lights and...

Page 12: ...mperature Averaging Make sure to select 01 in Service Menu 170 locate moUnt Peco oUtDoor remote sensor Following are instructions on the PECO Outdoor Remote Sensor Mount the sensor where It can measur...

Page 13: ...se 1 4 Choose an appropriate temperature balance point in Service Menu 180 Heat Pump Compressor Lockout Operation in Heat Mode Above Balance Point Outdoor Temperature When the outdoor temperature is a...

Page 14: ...flashing with the start time shown note occupied1 and Unocc1 represent school schedule enabled event 8 At the flashing Occupied1 and Unocc1 select Next see Fig 30 9 At the flashing clock press to sele...

Page 15: ...In order for APCS to function properly assure that Occupancy Sensor is enabled if used for application see SM 388 School Schedule format is applied to thermostat see SM 100 Pre Occupancy Purge sets nu...

Page 16: ...nection between heat terminal W1 and transformer Common C If 24 VAC is present thermostat is functional Check heating equipment to find cause of failure If voltage is not present check wire connection...

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