Grundfos S Serie Manual Del Usuario página 9

DK-8850 Bejringbro, Denmark
CLASS I DIVISION 1
GROUP C AND D, T4/T3
Ta= 0°C to + 40°C
Type
yyww/no
Warnings: Thermal and moisture switches
must always be connected. Do not open
when energized. Cable temperature may
exceed 158 °F. Not including alcohols
(methanol) or aliphatic hydrocarbons
(hexane) except S50-70.
Caution: For cable replacement, see
instruction manual. Continuous operation.
For converter operation, see manual.
Thermally protected
Approval plates of range 74 and 78 explosion-proof pumps
According to NEC500, the following classification applies for this
electrical equipment:
FM approval symbol
Permitted for locations where flammable gases or
Class I
vapors may be present.
Permitted for locations where flammable or
combustible gases may be present under normal
Division 1
operating conditions or due to repair, breakdown, or
malfunction in the operation of the equipment.
Group C Permitted for specific gases or vapors of Group C and
and D D that may be present.
Maximum surface temperature of equipment for range
T3C
72.
Maximum surface temperature of equipment for range
T4
74 and 78.
Type FM listing code (e.g. S72X185/6.60.FM).
Production year, week and serial number (e.g.
yyww/no
1052/123456).
Maximum surface temperature of equipment for range
T3
72 to 78 during frequency converter operation.
3.7.1 Cable entry approval plate
FM19US0233U FM19CA01126U
Class I, Div. 1, Groups C,D
Class I, Zone 1, AEx db IIB Gb
Ex db IIB Gb T =-5°C–+80°C
amb
ID no
Cable entry approval plate
The cable entry approval plate provides the following details:
Description
Pos.
The equipment conforms to Canadian and US
standards.
FM19US US certificate number
FM19CA Canadian certificate number
Explosive atmosphere is caused by gas or
Class I
vapors.
Division 1. area classification, flammable material
Division 1
is present intermittently.
Group C and D Gas groups, ethylene and propane.
Area classification, flammable material is present
Zone 1
intermittently.
Explosion protected based on American National
AEx
Standard.
Ex Marking of explosion protection.
db Type of protection, flameproof.
IIB Gas groups, ethylene and propane.
Equipment protection level, gas atmosphere,
Gb
„high" level of protection.
T
Ambient temperature
amb
ID no Cable entry identification number
c
US
APPROVED
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