User Manual

GF-123 Benchmark 2.0LN Low NOx Boiler Chapter 4
OMM-0046_0F Installation, 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.