TM
4
Installation Operation & Maintenance manual ELQ
DOC.55.EDN Rev: E
October 2012
(optional)
ISO 5211 / DIN 3337
Type:
ELQ-
Options mounted
Q-XS2
Q-SC
Q-CFF
Q-PNP
Q-MOD
Q-CDPS
Q-POT
Q-STM
Q-ASI
Q-PT
Q-LC Ex
Q-____
Serial No.:
Year of manufacturing:
Emerson
Hengelo NL
701.77.044
(optional)
ISO 5211 / DIN 3337
II 2 G Ex db IIB T4
DEKRA 12ATEX0002 X
Emerson, Hengelo 7556BR, NL
Type:
ELQ
-
Options mounted
Q-XS2 Q-SC Q-CFF
Q-POT Q-STM Q-MT
0344
Serial No.:
Year of manufacturing:
701.77.006
Q-PNP Q-MOD Q-PT
Q-RB
1 IDENtIFICAtION
1.1
type plate
1.1.1 Weatherproof version
1.1.2 Explosionproof version
ELQ Actuator size
Options mounted
ELQ Actuator Size
Options mounted
Ex db Flame proof
version
Warning
Actuator must be isolated electronically
before any (dis)assembly is begun. Before
mounting or (dis)assembling the actuator
consult the relevant sections of this manual.
1.2
AtEX Installation instructions
The ATEX explosion proof certified ELQ electric actu
-
ator is a Group II category 2 equipment and intended
for use in areas in which explosive atmospheres
caused by mixtures of air and gases, vapours or
mists are likely to occur.
Therefore the electric actuator may be used in
(ATEX) classified Zones 1 & 2 (Gases)
1 The cable entry device and the closing elements
of unused apertures must be of a certified flame
-
proof type, suitable for the conditions of use and
correctly installed.
2 Heat resistant cable and cable glands must be
used, suitable for temperatures of at least 95°C.
3 When the ELQ actuator is connected to a sepa
-
rate source of heating or cooling, such as a
heated or cooled process vessel or pipeline, the
temperature transfer should not cause the actua
-
tor to exceed the specified ambient temperature
range (Tamb = -20 °C ... +60 °C).
4 Wait 1 minute after disconnecting the power
supply, before removing the cover of the power
supply compartment.
5 Blind plugs or cable gland shall be engaged into
the cable entries minimal 5 threads.
6 Do not add additional grease to the thread of the
terminal compartment cover.
7 When replacing cover screws, use cover screws
according ISO 3506 with property class A2-70.
8 Wiring dimensions for external earth connection is
4mm² (12AWG).
1.3
Special AtEX conditions for safe use
1 Ambient temperature range
Standard version:
-20° to +60°C
2 Contact Emerson for information with regard to
dimensions of the flame proof joints.
