Practical specification review for Pepperl+Fuchs 1002-WPS-CI-Z-R in a live plant
Pepperl+Fuchs 1002-WPS-CI-Z-R is a enclosure purge and pressurization assembly used for reducing hazardous-gas accumulation inside a protected enclosure. This page identifies the representative designation and the checks that matter when the device is selected for a real installation. The common product montage is a category reference image, not a photograph of the exact 1002-WPS-CI-Z-R unit. Compare the full label and current manufacturer data before committing a purchase or changing a live circuit.
Key technical data
| Technical item | Verified value / selection note |
|---|---|
| Exact designation | 1002-WPS-CI-Z-R |
| Product type | enclosure purge and pressurization assembly |
| System series | 1002 purge/pressurization system |
| WPS style | With pressure switch |
| Purge medium | Instrument air or suitable inert gas, subject to installation design |
| Application | Maintaining protective enclosure pressure |
| Variant boundary | Use the complete type code and current device label when selecting a replacement. |
Buyer note — 1002-WPS-CI-Z-R: retain the complete ordering suffix and confirm connected equipment.
Procurement and replacement details
When requesting 1002-WPS-CI-Z-R, Supply the complete installed nameplate and enclosure details; do not infer an approval from the 1002 prefix. State operating environment, required certificates and the exact application. Request written confirmation for any proposed alternative. A reference model in the list below may belong to the same visible naming cluster but is not a default functional replacement for 1002-WPS-CI-Z-R.
Operating role and application
In the intended system, 1002-WPS-CI-Z-R is used for reducing hazardous-gas accumulation inside a protected enclosure. Its role is not defined by the product picture or a shared prefix alone. Establish what arrives at the device, what leaves it and which controller, field instrument or mechanical component it must match. When 1002-WPS-CI-Z-R is ordered as a spare, preserve the complete suffix and all installed configuration information.
Interface and installation fit
For 1002-WPS-CI-Z-R, Confirm the exact Z/R option, enclosure volume, vent, air supply and area-classification design with the system documentation. Review the mating equipment, supply path, mounting space, cable or terminal assignment and any required hazardous-area documentation. If the present installation has field-modified wiring or programming, photograph and record it before removal. The same-looking item can require different wiring or settings.
Commissioning and maintenance
After fitting 1002-WPS-CI-Z-R, Verify purge timing, pressure switch response, loss-of-pressure alarm and all required interlocks. Record both the expected and observed behavior. Inspect indicators, fault response and controller diagnostics where provided. If the test does not match, verify wiring, configuration and connected equipment before assuming that a new 1002-WPS-CI-Z-R is defective.
Related designation references
The following catalog designations share the visible 1002 naming cluster with 1002-WPS-CI-Z-R. They are grouped to aid search and procurement, not to assert identical ratings, wiring, approvals or interchangeability. Each complete code must be checked separately against the required duty.
- 1002-WPS-CI-Z-RH
Final selection check
For 1002-WPS-CI-Z-R, confirm the latest datasheet and nameplate before ordering or commissioning. Retain the loop drawing, configuration and acceptance record with the maintenance file. The technical values above apply to 1002-WPS-CI-Z-R only where stated, not to every related designation.
