Product Description
Overview The R7910A SOLA HC is a hydronic boiler control system that provides heat control, flame supervision, circulation pump control, fan control, boiler control, and electric ignition function. It will also provide boiler status and error reporting. Features Frost Protection, Slow Start, Anti-condensate, Boiler Delta-T, Stack Limit, Boiler Limit, DHW Limit, Outlet T-Rise Limit Primary Flame Safeguard Control Internal or external spark generator. Analog NTC Sensor Inputs (10kohm or 12kohm). Other Analog Inputs PID Load Control Digital Inputs Digital Outputs Analog Outputs Algorithm Prioritization Two Temperature Loops of Control (CH and DHW) High Limit Control-CH, DHW, & Stack (Meets UL 353) using dual 10kohm NTC sensors. Fifteen Item Fault Code History including equipment status at time of lockout Fifteen Item Alert Code Status including equipment status at time of internal alerts 24Vac Device Power 24 or 120Vac Digital I/O models available. Flame Signal test jacks (Vdc) Three Status LEDs. UV or Flame rod Flame Sensing. Product Specifications ApplicationHydronicDimensions (in.)9 21/64 in. x 6 21/64 in. x 2 19/32 in.Dimensions (mm)237 mm x 161mm x 66 mmCommentsIncludes Programmable featuresFrequency60 Hz ± 5%Approvals, Underwriters Laboratories Inc.UL, cUL: Component Recognized: File Number MH20613 (MCCZ)Voltage24 Vac Operating; 24 Vac LoadApprovals, Federal Communications CommissionPart 15, Class B EmissionsApprovals, Control Safety DevicesAcceptableEnclosure RatingNEMA 1/IP 40Modulation OutputYes (PWM); Yes (4-20 mA); Yes (0-10 Vdc)Flame Sensor TypeFR/UV