Ouellet ETO2 User Manual
Page 16
© 2013 OJ Electronics A/S
32
Type ETO2
Fig. 9
Advanced 2-stage electric heating control (Y/Δ)
Fig. 10 Advanced 2-stage connection (Y/Δ)
BR978A28a
BR978A04a
ETF-522
Hot water
Optional
Main Pump
3 way
valve
Circulation
Pump
Return sensor
Supply sensor
Optional
air sensor
Ground sensor
ETF-522
Fig. 11
1-zone hydronic heating control for controling the supply water temp. with mixing valve
BR978C01a
BR978A04a
© 2010 OJ Electronics A/S
BR978A04a
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