OJ Electronics ETO2 Bedienungsanleitung Seite 6

ETO2
• 1-zone electric heating control with ETOR +
ETF , output relays 1, 2 and 3 (fig. 4):
Connect 2 (1) ETOR sensors to terminals 11-20.
Connect 1 ETF sensor to terminals 21-32.
Connect heating cable to output relays 1, 2 and 3
using terminals 3-8.
• 1-zone electric heating control and output
control ( Y/∆) (fig. 5):
Connect 2 (1) ETOG sensors to terminals 11-20.
Connect external contactor/relays to output
relays 1, 2 and 3 using terminals 3-8 (see wiring
diagram, fig. 3).
• 2-zone electric heating control with ETOG,
output relays 1 and 2 respectively (fig. 3):
Connect 2 ETOG sensors to terminals 11-20.
Connect heating cable for zone 1 to output relay
1 using terminals 3-4.
Connect heating cable for zone 2 to output relay
2 using terminals 5-6.
6
• 2-zone electric heating control with ETOR,
output relays 1 and 2 respectively (fig. 4):
Connect 2 ETOR sensors to terminals 11-20.
Connect heating cable for zone 1 to output relay
1 using terminals 3-4.
Connect heating cable for zone 2 to output relay
2 using terminals 5-6.
• 1-zone water-based heating control:
Connect 1 ETOG sensor to terminals 11-16.
Connect 1 ETF sensor to terminals 21-32.
Connect 3/4-way mixing valve to terminals 21-24.
Connect external supply voltage (24 V AC) for
mixing valve to terminals 25-26.
Connect primary pump to output relay 1 using
terminals 3-4.
Connect secondary pump to output relay 2 using
terminals 5-6.
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