Pump Controller has 1 HP burner and pump relays.
April 17, 2002 - Series 150E low water cut-off, pump controller and alarm actuator is designed for boilers, tanks, and vessels. It has adjustable 60 sec burner-off time delays and provides continuous primary or secondary protection against low water conditions and rapid burner cycling. Field adjustable 3/4 and 1 3/16 in. pump differentials keep operation constant. Unit operates at 150 psi max, ambient temperature of 135 deg F, and operating temperature (at probes) of 366 deg F.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
McDonnell & Miller
3500 N. Spaulding Ave.
Chicago, IL, 60618 5523
USA
McDonnell & Miller Introduces Low Water Cut-off/Pump Controller for Steam Boilers
Chicago, IL.March 27, 2002 - McDonnell & Miller has introduced the Series 150E Low Water Cut-Off/Pump Controller for commercial and industrial hot water and steam boilers. The 150E is a low water cut-off, pump controller and alarm actuator for boilers, tanks and vessels.
Featuring adjustable 60-second burner-off time delays, the 150E cut-off controller provides continuous primary or secondary protection against low water conditions and rapid burner cycling. Because of its field adjustable 3/4" and 1-3/16" pump differentials, the new controller keeps operation and operating switch levels constant throughout the system's pressure range, and significantly reduces pump cycling. The unit's 1 HP burner and pump relays eliminate the need for electrical starters in many applications. -
Available with manual or automatic reset, the Series 150E cut-off/controller is especially suitable for applications with rapidly shifting water lines, such as vertical tubeless, water tube and small fire tube boilers. The 157E has an integral water column for convenient gauge tapping mounts. All of the new models can directly replace current McDonnell & Miller Series 150 head assemblies, with the addition of two power supply wires.
All Series 150E models are UL listed and Factory Mutual System approved, and operate at a maximum of 150psi (10.5kg/cm2), ambient temperature of 135F (57°C), and operating temperature (at probes) of 366°F (185°C).
About McDonnell & Miller
McDonnell & Miller, a unit of ITT Industries, is a leading
manufacturer of boiler controls, flow switches, liquid level controls and steam specialty products for residential, commercial and industrial applications. For more information contact McDonnell & Miller at 773/267-1600, fax 773/267-0991, or visit the McDonnell & Miller web site at www.mcdonnellmiller.com.
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