12
Part III Additional Instruction for IMT-04
～
4Ex Explosion-proof product
1. Summary
IMT-04
～
4Ex explosion-proof intelligent product is produced on the basis of GB3836.1
《
General Requirement
for the Equipment Used in Explosive Environment, Part I
》
and GB3836.2
《
The Equipment Protected by
Explosion-proof Enclosure “d” Used in Explosive Environment, Part II
》
. Meanwhile, this series have been tested,
experimented and finally verified by the national verified explosion-proof organization and get Conformity
Certificate of Explosion-Proof.
IMT-04
～
4Ex is explosion-proof product
，
and explosion-proof grade: Ex d II B T4 Gb.
2. Notice for maintenance and usage
2.1 Power must be cut off when actuator’s any cover is open. (Please see the warning plate: “Forbid to open the box
cover when the power is on.”)
2.2 Don’t hit the openness window.
2.3 Keep the nameplate and warning plate being fixed on actuator and the words on them should be recognized.
2.4 Don’t open the electric box cover outdoors in rainy day or windy day.
2.5 The product’s explosion-proof cover cannot be knocked or scratched during maintenance or debugging. (Please
refer to the attached diagram.)
2.6 Apply anti-rust painting 204-1 after debugging or maintenance and before assembling.
2.7 Please notify the company to change the broken explosion-proof elements. The products cannot be powered on
until it is renewed with qualified element.
2.8 Fasten the screws on the explosion-proof electric case and spring washer shall be kept well. After strong
vibration, please make regular check to make sure whether it is reliable.
2.9 O-ring shall be kept well, and if it is damaged or lost, please connect with the manufacturer to purchase a new
one.
2.10 The external grounding should be reliable.
3. Wire outlet on wiring box
There are three plugs on the wiring box. User shall screw out plug first and use appropriate outlet device which
can be connected with matched thread.( This outlet device shall comply with GB3836.1<General Requirement for
the Equipment Used in Explosive Environment, Part I>and GB3836.2 <The Equipment Protected by
Explosion-proof Enclosure “d” Used in Explosive Environment, Part II>). Pay attention to enclosure protection to
ensure its protection grade. Outlet device is offered by user. Keep the unused outlet hole in factory setting.
4. Wiring sequence
4.1 Open “wiring box” and screw out plug.
4.2 Choose appropriate outlet device according to the dimensions of cable and outlet thread.
4.3 Screw in cable outlet device and seal it well to make sure its original protection grade.
4.4 Use specialized electric tool to connect “lug plate” with cable’s cores.
4.5 According to electric schematic diagram, connect each core with corresponding terminals. Lug plate shall be
turned up.
4.6 After making sure that wiring connecting on the terminal is right and reliable, please check whether the cable’s
position is right.
4.7 Close “wiring box case” and firmly screw its screws.
Till now, wiring is finished. Adjust according to Part I in this operation manual.
4. Others: after the entire actuator’s wiring job is finished, user can adjust the product according
to Part I and Part II in this operation manual.
