Digital Alarm Switch Checks And Adjustments - Watts AERCO Benchmark 2.0LN User Manual

Benchmark 2.0LN Dual-Fuel Low NOx Boiler
GF-127
Operation and Maintenance Manual
CHAPTER 4: INITIAL START-UP
OMM-0052_0E
RESET BUTTON
DIGITAL OVER-
FOR MANUAL
TEMPERATURE
TEMPERATURE
ALARM SWITCH
LIMIT SWITCH
ADJUSTABLE
TEMPERATURE
LIMIT SWITCH
FUEL
SELECTOR
SWITCH
Figure 4-6: Over Temperature Limit Switch and Fuel Selector Locations
4.6.1

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 4-13.
Figure 4-7: Digital Alarm Switch Front Panel
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288
Page 54 of 158 PR2: 04/22/13