
© COPYRIGHT 2014 PECO ASTRONICS. ALL RIGHTS RESERVED. P/N 70932 3220-2324 REV 00
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Clock
Clock
Clock
Clock
Clock
Done
Note: Upon completion of installation, remove
the plastic insulator tab from the back side of the
thermostat.
WARNING: DISCONNECT POWER BEFORE BEGINNING INSTALLATION.
• CAUTION: Use copper wire only. Insulate or wire-nut all unused leads.
• Use care to avoid electrostatic discharge to thermostat
• CAUTION: Do not connect unused wires together
• ALL ELECTRICAL LOADS MUST BE CONNECTED TO TERMINAL C
(24 VAC).
Fan Coil (Conventional) Heat Pump
C24 VAC, Unswitched side C24 VAC, Unswitched side
W1 Stage 1 Heat B/O Reversing Valve
W2 Stage 2 Heat AUX Auxiliary Heat (Stage 3)
GFAN GFAN
AEconomizer/Damper/Humidity AEconomizer/Damper/Humidity
EStage 3 Heat EEmergency Heat
Y1 Stage 1 Cool Y1 Compressor Stage 1/Heat/Cool 1
Y2 Stage 2 Cool (or Dehumidify) Y2 Compressor Stage 2/Heat/Cool 2
(or Dehumidify)
RH 24 VAC Power for heating,
switched side RH 24 VAC Power for heating,
switched side
RC 24 VAC Power for cooling,
switched side RC 24 VAC Power for cooling,
switched side
SC Sensor Common SC Sensor Common
S1 Indoor Remote Sensor S1 Indoor Remote Sensor
S2 Occupancy Setback Input* S2 Occupancy Setback Input*
S3 Outdoor Remote Sensor S3 Outdoor Remote Sensor
▲
*Contact PECO to learn more about Occupancy Setback
Input sensor applications.
Service
Menu
Current
option
QUICK START GUIDE
PERFORMANCE PRO T12000
Insulator
Tab
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