# COMAR Title 09 — Maryland Department of Labor

## Subtitle 17 — Board of Stationary Engineers

### Chapter 02 — Computerized Monitoring System

#### Regulation .06 Alarm.

*COMAR 09.17.02.06*

A computerized monitoring system shall be equipped with an alarm that will activate when:

A. The stack flue gas reaches a high temperature;

B. The burner status indicator indicates the burner is “off”;

C. The flame safety control status indicates a “flame failure”; and

D. One of the following occurs, as applicable:

  (1) For steam boilers, the:

    (a) Steam reaches low or high pressure; or

    (b) Water reaches low or high level;

  (2) For a hot water boiler operating at 30 to 299 horsepower, the water reaches low or high temperature; or

  (3) For a hot water boiler operating at 300 or more horsepower the water reaches low or high:

    (a) Pressure;

    (b) Temperature; or

    (c) Level.