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Controller
ECL-PTU-308
Table 5: Triac outputs names and specifications
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Triac output connectors accept wires between 1 mm² (17 AWG) and 1.5 mm² (16 AWG). Make sure the cable performances suit
the connected loads.
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To measure the state of a triac output, an external load must be connected.
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It is not necessary to use a fuse when the onboard 24 Vac output is being used with the triac outputs since it already has built-in
short circuit protection (ECL-PTU-208 and ECL-PTU-308 only).
Figure 15:
Thermal valve wiring (ECL-PTU-107/207/307)
Figure 16:
Thermal valve wiring (ECL-PTU-208/308)
Figure 17:
Proportional valve wiring (ECL-PTU-107/207/307)
Figure 18:
Proportional valve wiring (ECL-PTU-208/308)
Figure 19:
0-10 V controller-powered valve wiring (ECL-PTU-107/207/307)
Figure 20:
0-10 V controller-powered valve wiring (ECL-PTU-208/308)
Digital (Triac) Outputs
(100-240 VAC)
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Digital (Triac) Outputs
(24VAC)
DO5 - DO6 – DO9 – DO10
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