Honeywell HA40, Техническое руководство

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HA40 4-Channel Controller
HA40 Technical Manual i
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
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
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.
• 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