At a glance
- Compatible Projector Models: 9 Vivitek Projectors
- Lamp Module Specifications
- Frequently Asked Questions
- Q: What should I do if the projector reports "lamp not recognized" after replacement?
- Q: How do I choose between original-pack, original bare, and replacement lamps?
- Q: Why choose Zorsika PRO instead of the original?
- Q: Is there an installation guide for 5811117175-SU?
- Q: How long is the lamp warranty?
- Why Choose Zorsika PRO for the Same Specifications
- Daily Maintenance to Extend Lamp Life
- Related Resources
- Purchase Inquiries
Vivitek 5811117175-SU projector lamp, UHP 190W/160W dual mode, reflector 51X51D, socket E20.9, compatible with 9 Vivitek projectors including D860, D861, D862, D863. Zorsika equivalent model Z-HI1171.


A Vivitek projector in a meeting room or classroom suddenly dims—don't rush to file a repair request. First, check whether the lamp has reached the end of its life: 5811117175-SU covers 9 Vivitek models. See the specifications and replacement tips below.
Vivitek 5811117175-SU Projector LampCompatible Projector Models: 9 Vivitek Projectors
The following are the verified compatible Vivitek projector models for 5811117175-SU, separated by commas:
D860, D861, D862, D863, D871ST, D85ESTB, D87ASTD, D87ASTC, H1180HD
Note: Projectors of the same generation often share the same lamp module. For models not listed, contact Zorsika technical support for confirmation.
Lamp Module Specifications
| Original Lamp Module Model | 5811117175-SU |
| Zorsika Equivalent Model | Z-HI1171 |
| Compatible Brand | Vivitek (Vivitek) |
| Lamp Module Specification | UHP190/160W 0.9 E20.9 |
| Lamp Type | UHP |
| Rated Power | 190W (Standard Mode) / 160W (Eco Mode) |
| Arc Gap | 0.9mm |
| Socket/Base | E20.9 |
| Reflector Size | 51X51D |
| Projection Technology | DLP |
| Number of Compatible Models | 9 models |
The above specifications are from the Zorsika product database. For the full technical datasheet, contact our sales team.
Frequently Asked Questions
Q: What should I do if the projector reports "lamp not recognized" after replacement?
A: First, verify whether the lamp hour counter has been reset—most of these alerts are caused by an uncleared timer. If the error persists after resetting, contact Zorsika technical support, and we'll provide reset instructions and troubleshooting guidance for your specific model.
Q: How do I choose between original-pack, original bare, and replacement lamps?
A: If you prioritize brightness stability and long-term reliability, go with the Zorsika PRO series lamp—it matches original specifications item by item, undergoes individual ignition testing before shipment, delivers performance comparable to the original, offers greater peace of mind overall, and comes with a 180-day warranty. For regular business, education, and meeting room use, the PRO series is also the more worry-free choice. While other replacement lamps cost less, the quality of the arc tube source and manufacturing control varies significantly, raising the risk of brightness decay and shortened lifespan—these are only recommended for temporary backup units.
Q: Why choose Zorsika PRO instead of the original?
A: The core philosophy of the Zorsika PRO series is "original specifications, self-controlled quality": power, arc gap, and reflector size are matched to the original item by item, but each lamp undergoes an additional individual ignition test before shipment, backed by a 180-day warranty. Compared to the original, it offers greater overall peace of mind; compared to other alternatives, quality control is more consistent.
Q: Is there an installation guide for 5811117175-SU?
A: Yes. The lamp door location and disassembly/reassembly steps for these Vivitek models are essentially the same. Contact Zorsika sales to get illustrated or video tutorials for your specific model.
Q: How long is the lamp warranty?
A: Zorsika PRO series projector lamps come with a 180-day warranty. Normal use with non-man-made damage (e.g., lamp burst, abnormal early light decay) is covered by after-sales service; brightness decay within standard ranges is considered normal wear and tear and is not covered by the warranty.
Why Choose Zorsika PRO for the Same Specifications
For high-volume standard lamp modules like 5811117175-SU, the Zorsika PRO series offers a replacement with the same specifications as the original—power, arc gap, and reflector size are matched item by item to the original, each lamp is individually ignition-tested before shipment, and it's ready to install without any structural modifications.
- Specification Matching: Power, arc gap, and reflector size are matched to original parameters item by item
- Individual Testing: Each lamp is ignition-tested before shipment, ensuring brightness and stability
- Warranty Commitment: 180-day lamp warranty; normal use with non-man-made damage is covered by after-sales service
- Stable Supply: Supports bulk procurement and project-based supply
In short: if you want original quality with greater overall peace of mind, the Zorsika PRO series projector lamp is designed exactly for this scenario.
Note: Brightness and lifespan performance are significantly affected by projector condition, usage environment, and cooling conditions. Zorsika does not make uniform numerical promises; we recommend testing 1-2 sample lamps before bulk procurement.
Daily Maintenance to Extend Lamp Life
- Clean dust regularly: Dust buildup on air intakes and air filters directly raises lamp operating temperature. In dusty environments, clean every 1-2 months; in normal office environments, every 3-6 months.
- Use eco mode wisely: This lamp supports dual power modes of 190W / 160W. Switching to eco mode for everyday presentations significantly reduces thermal load on the lamp.
- Avoid frequent on/off cycles: Thermal cycling is a major source of lamp wear. For short idle periods, use the shutter function instead of repeatedly cutting power.
- Shut down properly: After powering off, wait for the cooling fan to stop before disconnecting power. Cutting power while the lamp is still hot causes sudden cooling and is a common cause of lamp burst.
- Reset the lamp timer after replacement: Always reset the lamp hour counter in the menu after installing a new lamp; otherwise, the projector will keep alerting based on the old timer.
Related Resources
- Zorsika Technical Support Center
- Projector Brand and Compatible Model Lookup
- Projector Lamp / Lens / Air Filter Product Library
Purchase Inquiries
For solution consultations, bulk pricing, or the full model compatibility list for the Vivitek 5811117175-SU, contact us through the following channels:
- Website: www.zorsika.com
- Phone: 0086-20-38551187
- Email: sales@zorsika.com
- Business Hours: Monday to Friday, 9:00-18:00
The lamp module models, specifications, and compatible model data in this article are from the Zorsika product database. Data is continuously updated; final confirmation is subject to actual quotation inquiries.