Product Specifications

ApplicationOn-Off Primary Control with PrepurgeDimensions (in.)5 in. wide x 5 in. high x 5 1/4 in. deep with Q7800A Subbase x 6 3/32 in. deep with Q7800B SubbaseDimensions (mm)127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B SubbaseUsed WithR7847 onlyWeight (lb)1 lb 15 ozWeight (kg)0.9 kgCommentsHigher Flame Sensor Voltage for Infra Red Heater ApplicationsFrequency50 Hz; 60 Hz (±10%)Approvals, Underwriters Laboratories Inc.Component Recognized, File No. MP268; Guide No. MCCZ.Approvals, Canadian Standards AssociationCertified, File No. LR95329-3.Voltage120 Vac (+10, -15%)Shipping and Storage Temperature Range (F)-40 F to +140 FShipping and Storage Temperature Range (C)-40 C to +60 CApprovals, Federal Communications CommissionFCC Part 15, Class B, Emissions.Flame Establishing Period – Pilot15 sec or 30 secFlame Establishing Period – MainIntermittentInterlocksSelectablePrePurgeDetermined by ST7800A Purge Timer CardRequired ComponentsQ7800A,B Universal Wiring Subbases. R7847, R7848, R7851,or R7852 Flame Signal Amplifier.Delayed Main ValveNoPilot TypeintermittentVibration0.5 G environmentApprovals, Control Safety DevicesAcceptable: CSD-1Approvals, Swiss REAcceptableApprovals, Factory MutualReport No. OX4A5.AF

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