A-dec 500 Assistant’s Instrumentation
iv 86.0603.00
Identification of Symbols
SYMBOL DESCRIPTION
Recognized by Underwriters Laboratories Inc. with respect to
electric shock, fire and mechanical hazards only in
accordance with UL 60601-1 (2601-1) and under mutual recog-
nition agreement with CAN/CSA C22.2, No. 601.1.
Classified by Underwriters Laboratories Inc. with respect to
electric shock, fire and mechanical hazards only in
accordance with UL 60601-1 (2601-1) and under mutual recog-
nition agreement with CAN/CSA C22.2, No. 601.1.
UL listed to UL 61010A-1, BS
EN 61010-2-010 and Canadian (CAN/CSA C22.2, No. 1010.1-92)
safety standards.
Conforms to applicable European Directives (refer to
Declaration of Conformity).
Protective earth (ground).
Functional earth (ground).
Attention, consult accompanying documents. No user service-
able parts. Attention, line voltage. Only licensed electrician
should remove cover.
Type B applied part.
Class II equipment.
Caution: Metal surfaces can be hot during and following the
dry cycle.
Classification of Equipment (EN-
60601-1)
TYPES/MODE CLASSIFICATION
Types of shock
protection
CLASS I EQUIPMENT: Dental chairs, dental lights,
and power supplies
CLASS II EQUIPMENT: Chair, wall, and
cart-mounted delivery systems
Degree of
shock
protection
TYPE B APPLIED PART: Delivery
systems only
Degree of
protection
against water
ingress
ORDINARY EQUIPMENT: All products
Mode of
operation
CONTINUOUS OPERATION: All models except
dental chairs
CONTINUOUS OPERATION WITH INTERMITTENT
LOADING: Dental chairs - 5% duty cycle
Flammable
gasses:
Not suitable for use in the presence of a
flammable anesthetic mixture with air, oxygen, or
nitrous oxide, where such gasses may
accumulate in concentration (closed space).
Electrical Rating
TYPE SPECIFICATION
Volts:
100/110-120/220-240 VAC
Frequency:
50-60 Hz
Current:
As configured and specified in equipment manual
(products labeled 15A or greater require dedicated
circuit, identified in distribution panel).
Environmental Specifications
TEMPERATURE/
HUMIDITY
SPECIFICATION
Storage/
Transportation
Temperature: -40C to 70×C
(-40×F to 158×F)
Relative humidity: 80% for up to 31×C,
decreasing linearly to
50% at 40×C.
Operating
Temperature: 10×C to 40×C
(40×F to 104×F)
Relative humidity: 80% for up to 31×C,
decreasing linearly to
50% at 40×C.
Indoor Use:
Altitude up to 2,000M (6,563 ft.),
installation category II, pollution degree 2.
(UL 61010A-1 and CAN/CSA C22.2,
No. 1010.1-92 only)
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