Mcdonnell & Miller Low Water Cut-Off Wiring Diagram
Mcdonnell & Miller Low Water Cut-Off Wiring Diagram. Mm 825m mcdonnell & miller general catalog | pdf |. 1 single pole, single throw switch for pump control.
1 single pole, double throw switch for low water. Mm 825m mcdonnell & miller general catalog | pdf |. Web snap action switches for high temperature service.
A second switch is located between terminals marked “3” and. 1 3 4 install the control housing 1. Web how to wire in a mcdonnell & miller (guard dog) type low water cutoff into a boiler circuit.
See Diagrams On The Following Page (Page 6) For Proper Application Wiring.
Bold lines indicate action to be taken in step shown. Web 140 types of electrical switches type description where used spst(single pole, single throw) nc no spdt(single pole, double throw) nc no nc no dpdt(double pole,. 1″ npt equalizing pipes and blow down valve.
Loosen The Screws That Secure The Cover (5) To The Control.
Web mcdonnell & miller installation & maintenance instructions mm power wiring diagram legends 1. 150 psi (10.5 kg/cm2) maximum boiler.