Honeywell STT25D - A.5 W Iring R Eference; Figure A-1: Typical Wiring of Transient Protector to STT250 Transmitter; Wiring Reference

Smart Temperature Transmitter STT250 – Operator Manual 35
A.5 Wiring Reference
Figure A.1 shows a typical wiring scheme of a transient protector to
the STT 3000 Series STT250.
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Figure A-1: Typical wiring of transient protector to STT250 transmitter