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1 digital alarm switch checks and adjustments, Gf-120, Benchmark 1.5ln low nox boiler – AERCO BMK 1.5 LN October 2012 User Manual

Page 57: Digital alarm switch checks and adjustments

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CHAPTER 4

INITIAL START-UP

PR1: 10/18//12 AERCO International Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288 Page 57 of 166


GF-120

OMM-0041 0E

Benchmark 1.5LN Low NOx Boiler

Installation, Operation and Maintenance Manual

Figure 4-6: Over Temperature Limit Switch Locations

4.6.1

Digital Alarm Switch Checks and Adjustments

FRONT VIEW

ADJUSTABLE

TEMPERATURE

LIMIT SWITCH

RESET BUTTON

FOR MANUAL

TEMPERATURE

LIMIT SWITCH

SEE

DETAIL “A”

DETAIL “A”

F

Alarm

DIGITAL OVER-

TEMPERATURE

ALARM SWITCH