Honeywell technical manual HA40 4-Channel Controller, Safety

Safety

Warning

Read and understand contents of this manual prior to operation. Failure to do so could result in serious injury or death.

IMPORTANT SAFETY

The following terms and symbols are used in this manual to alert the operator of important instrument operating issues:

This symbol is intended to alert the user to the presence of important operating and maintenance (servicing) instructions.

This symbol is intended to alert the user to the presence of dangerous voltage within the instrument enclosure that may be of sufficient magnitude to constitute a risk of electric shock.

This symbol signifies the system’s ground terminal

mA input only).

•This equipment is suitable for use in Class I, Division 2, Groups A,B,C and D or non-hazardous locations only.

•EXPLOSION HAZARD- SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION 2.

•EXPLOSION HAZARD- DO NOT REPLACE FUSE UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON- HAZARDOUS.

•EXPLOSION HAZARD- DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON-HAZARDOUS.

Cautions

•Use a properly rated CERTIFIED AC power (mains) cable installed as per local or national codes.

•For DC powered units, DC power must be from a SELV rated source.

DC refers to direct current voltages.

VAC refers to alternating voltages.

WARNINGS

•Shock Hazard - Disconnect or turn off power before servicing this instrument.

•NEMA 4X wall mount models should be fitted with a locking mechanism after installation to prevent access to high voltages by unauthorized personnel (see Figure 4-1).

•Only the combustible monitor portions of this instrument have been assessed by CSA for 122.2 No. 152 performance requirements (for

•A certified AC power (mains) disconnect or circuit breaker should be mounted near the controller and installed according applicable local and national codes. If a switch is used instead of a circuit breaker, a properly rated CERTIFIED fuse or current limiter is required to be installed as per local or national codes. Markings for positions of the switch or breaker should state (I) for on and (O) for off.

•Clean using only a damp cloth with no solvents.

•Equipment not used as prescribed within this manual may impair overall safety