Telkonet Ecosmart EcoInsight - Page 12

EcoInsight I, O & M Guide Telkonet, Inc.
For Use with Firmware Version 2.x 20800 Swenson Drive, Suite 175
High Voltage Installation Waukesha, WI 53186
Revision 4.2 (414) 302-2299
Page 11 www.telkonet.com
Table 1: Wiring
Pin Label on Backplate Function
1 R (Power) 12-277VAC power from HVAC, used to power the thermostat
2 C (Common) AC Common
3 AUX (Auxiliary) User defined
4 W1 (Heat) (Strip) Heat call or strip heat call (depends on programming)
5 Switched Power 1 (W1/Y1) Provides alternate power for W1 and Y1
6 Y1 (Cool) (Comp) Cool/Compressor call
7 G (Fan) Fan Call - Low speed
8 O (B) (G2) (Y2) (Changeover)
Multi-use - depends on programming and site requirements:
 Changeover
 2
nd
Stage Fan
 2
nd
Stage Cooling
9 Switched Power 2 Provides alternate power for G, O, and W2
10
W2 (Y2) (G2) (G3) (Multi-speed)
Multi-use - depends on programming and site requirements:
 2
nd
stage heat
 Electric heat (for HPs with strip heat, etc.)
 Emergency heat
Figure 8: Back Plate on Adapter Plate