Description

Application Scenarios
Picture a district-cooling plant running three York YK centrifugal chillers on a hot August afternoon. Demand response triggers a current-limit command, and one machine’s OptiView panel flags a motor-current imbalance alarm — the exact situation where the 031-02893-001 earns its keep. Because this module lives at the boundary between the motor starter’s current transformers and the OptiView CPU board, it is the component that decides whether a genuine motor-protection trip shuts the compressor down cleanly or whether a degraded sensing board causes a nuisance lockout during peak load. The pain points it resolves are familiar to every chiller plant operator: aging original boards that drift out of calibration, hard-to-source obsolete spares that extend downtime during peak season, and the diagnostic blind spot created when a monitoring module no longer reports trustworthy phase-current data. By stocking a genuine 031-02893-001, facilities teams convert a multi-day emergency shutdown into a same-shift board swap, and by cross-checking the -001 revision against the earlier -000 build they ensure the replacement carries the latest component substitutions Johnson Controls released for long-term serviceability.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | 031-02893-001 |
| Manufacturer | York (Johnson Controls) |
| Product Category | Control Motor Monitoring Module (OptiView Panel I/O Board) |
| Host Platform | York OptiView™ Control Center on YK, YT, YC, YCAL, YCAS chillers |
| Function | Motor current monitoring, overload / phase-loss / phase-reversal / current-imbalance protection |
| Sensing Input | Current-transformer (CT) secondary signals from the motor starter or VSD output |
| Output Interface | Parallel digital/analog bus to the OptiView main CPU module |
| Revision | -001 (functional supersession of the -000 build with updated component substitutions) |
| Mounting | DIN/card-edge slot inside the OptiView control panel |
| Shipping Weight | ≈ 1.0 lb (0.45 kg) |
| Country of Origin | United States |
| Compatibility | Direct plug-in replacement; verify against panel serial before ordering |




