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Appendix b: startup, status and fault messages, Gf-123, Benchmark 2.0ln low nox boiler – AERCO BMK 2.0 LN Natural Gas (SN G-11-1861 and above) User Manual

Page 123

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GF-123

Benchmark 2.0LN Low NOx Boiler

Appendix D

OMM-0046_0E

I

nstallation, Operation and Maintenance Manual Reset Ratio Charts

PR1 08/20/12

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

Page 123 of 170

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.