User's Manual

Appendix A: Pinout Tables
EcoInsight+ SS6010 I, O & M Guide Telkonet, Inc.
For Use with Firmware Version 2.x 20800 Swenson Drive, Suite 175
Appendix A: Pinout Tables Waukesha, WI 53186
Revision 2.1 [phone]
Page 30 www.telkonet.com
Appendix A: Pinout Tables
Table 2: J3 Thermostat Wiring Harness*
Pin
Label on
Backplate
High Voltage
Wire color
Low Voltage
Wire color
Function
1 R (Power) BLACK RED
Power from HVAC, used to power the thermostat and
AUX output
2 C (Common) WHITE BLUE AC Common
3
AUX
(Auxiliary)
BROWN BLACK User defined
4
W1 (Heat)
(Strip)
PINK WHITE Heat call or strip heat call (depends on programming)
5
Switched
Power 1
(W1/Y1)
ORANGE PINK Input for W1 and Y1
6
Y1 (Cool)
(Comp)
YELLOW YELLOW Cool/Compressor call
7 G (Fan) RED GREEN Fan Call - Low speed
8
O (B) (G2)
(Y2)
(Changeover)
BLUE ORANGE
Multi-use - depends on programming and site
requirements:
 Changeover
 2
nd
Stage Fan
 2
nd
Stage Cooling
9
Switched
Power 2
PURPLE GREY Input for G, O, and W2
10
W2 (Y2) (G2)
(G3) (Multi-
speed)
GREY BROWN
Multi-use - depends on programming and site
requirements:
 2
nd
stage heat
 Electric heat (for HPs with strip heat, etc.)
 Emergency heat
* See the Rating Schedule section for electrical ratings and usage constraints.