Wiring the EcoInsight/EcoSource
10200 W. Innovation Dr., Ste. 300
www.telkonet.com
16. Refer to either the wiring diagram provided by your Telkonet Project Manager for this install or use the
wiring pinouts below in Figure 1and Table 1.
Figure 1: EcoInsight/EcoSource Wiring Pinout
Table 1: EcoInsight/EcoSource Wiring Pinout
277VAC power from HVAC, used to power the thermostat
or strip heat call (depends on programming)
Provides alternate power for W1 and Y1
8 O (B) (G2) (Y2) (Changeover)
depends on programming and
• Changeover
• 2
nd
Stage Fan
• 2
nd
Stage Cooling
Provides alternate power for G, O, and W2
10 W2 (Y2) (G2) (G3) (Multi-speed)
depends on programming and site requirements:
• 2
nd
stage heat
• Electric heat (for HPs with strip heat, etc.)
• Emergency heat
• Other