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1 digital alarm switch checks and adjustments, Gf-123, Benchmark 2.0ln low nox boiler – AERCO BMK 2.0 LN October 2012 User Manual

Page 63

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GF-123

Benchmark 2.0LN Low NOx Boiler

Chapter 4

OMM-0046_0F

I

nstallation, Operation and Maintenance Manual

Initial Start-Up

PR1 10/17/12

AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288

Page 63 of 172

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

Figure 4-6: Over Temperature Limit Switch Locations

4.7.1 Digital Alarm Switch Checks and Adjustments

The digital alarm switch settings can be checked or adjusted using the controls and display on
the front panel of the switch illustrated and described in Figure 4-7 and Table 4-7.