Taco SR503-EXP User Manual

Wiring Taco LN and LTA-2 Series Low Water Cutoffs
Using Burner Circuit Power Source
*
*Factory Installed
66
Wiring Taco LN and LTA-2 Series Low Water Cutoffs
Using Power Source Other Than Burner Circuit
NOTE: For 24 VAC models, LNA024xx and LTA0243S-2, 24 VAC to
be supplied by an EXTERNAL Class 2 power source to terminals
H and N. For 120 VAC models, LNA120xx and LTA1203S-2, 120 VAC
is supplied by an external circuit to terminals H and N.
NOTE: For 24 VAC models, LNA024xx and LTA0243S-2, 24 VAC to
be supplied by an EXTERNAL Class 2 power source to terminals
H and N. For 120 VAC models, LNA120xx and LTA1203S-2, 120 VAC
is supplied by an external circuit to terminals H and N.

Taco SR503-EXP Specifications

General

Brand	Taco
Model	SR503-EXP
Category	Control Unit
Language	English