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Appendix b: startup, status and fault messages, Benchmark 1.5ln low nox boiler, Gf-120 – AERCO BMK 1.5 LN July 2011 User Manual

Page 107

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PR2: 05/01/11 Page

107 of 152

Benchmark 1.5LN Low NOx Boiler

Operation and Maintenance Manual

OMM-0041_0D

GF-120

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

APPENDIX B: STARTUP, STATUS AND FAULT MESSAGES

Table B-1: Startup and Status Messages

MESSAGE

DESCRIPTION

DEMAND DELAY

XX sec

Displayed if Demand Delay is active.

DISABLED

HH:MM pm, pm

MM/DD/YY

Displayed if ON/OFF switch is set to OFF. The display

also shows the time (am or pm) and date that the unit

was disabled.

FLAME PROVEN

Displayed after flame has been detected for a period of

2 seconds. Initially, the flame strength is shown in %.

After 5 seconds has elapsed, the time and date are

shown in place of flame strength.

IGNITION TRIAL

XX sec

Displayed during ignition trial of startup sequence. The

duration of cycle counts up in seconds.

PURGING

XX sec

Displayed during the purge cycle during startup. The

duration of the purge cycle counts up in seconds.

STANDBY

Displayed when ON/OFF switch is in the ON position,

but there is no demand for heat. The time and date are

also displayed.

WAIT

Prompts the operator to wait.

WARMUP

XX sec

Displayed for 2 minutes during the initial warm-up only.