{ "manufacturer": "Paragon Controls", "manufacturer_slug": "paragon-controls", "model": "SPM-4000 Dual Controller space pressure monitor (BACnet MS/TP)", "model_slug": "spm-4000-dual-controller", "aliases": [ "SPM-4000 Dual Controller", "SPM4000 Dual", "Guardian Infinity Dual Controller" ], "equipment_type": "Room pressure dual controller", "applies_to": "Paragon Controls SPM-4000 Dual Controller two-space pressure monitors with two control loops, fitted with the BACnet communication board.", "summary": "The SPM-4000 Dual Controller monitors two spaces and runs a separate control loop for each. On BACnet MS/TP it gives both pressures, both controller outputs, per-space modes and alarm limits, and setpoints and tuning for each loop. Unlike the single-loop SPM-4000 it has no temperature, humidity, flow or air-change objects.", "bacnet_transport": [ "BACnet MS/TP" ], "firmware": null, "default_device_instance": null, "access_inferred": false, "notes": [ "The manual gives each object as ' -